/* =========================================================
   Wellbeing – Design System
   Palette: warm cream, sage green, soft lavender, sand
   Aesthetic: calming, emotionally safe, premium, low-stimulation
   ========================================================= */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Palette */
  --bg:           #F8F6F2;
  --bg-warm:      #F3EFE8;
  --surface:      #FFFFFF;
  --surface-alt:  #FAF8F5;
  --primary:      #7B9E87;
  --primary-soft: #A3C1AD;
  --primary-hover:#6A8B75;
  --primary-faint:#EAF2EC;
  --secondary:    #C2A97E;
  --secondary-soft:#D9CBB0;
  --accent:       #A89BBF;
  --accent-soft:  #D4CCE2;
  --accent-faint: #F0EDF5;
  --text:         #3A3A3A;
  --text-secondary:#6B6B6B;
  --text-muted:   #9B9B9B;
  --text-on-primary:#FFFFFF;
  --border:       #E8E4DE;
  --border-light: #F0ECE6;
  --danger:       #C17C74;
  --danger-soft:  #F5E3E0;
  --danger-hover: #A8635C;
  --shadow-sm:    0 1px 3px rgba(90, 70, 50, 0.06);
  --shadow-md:    0 4px 16px rgba(90, 70, 50, 0.08);
  --shadow-lg:    0 8px 32px rgba(90, 70, 50, 0.10);
  --shadow-glow:  0 0 40px rgba(123, 158, 135, 0.12);

  /* Type */
  --font-serif:   'Georgia', 'Times New Roman', 'Noto Serif', serif;
  --font-sans:    system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Radii */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full:9999px;

  /* Transitions */
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --duration:   200ms;
  --duration-slow: 400ms;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
  color: var(--text);
}
h1 { font-size: 2.25rem; letter-spacing: -0.01em; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: var(--space-md); }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}
a:hover { color: var(--primary-hover); }
a:focus-visible {
  outline: 2px solid var(--primary-soft);
  outline-offset: 2px;
  border-radius: 2px;
}

small { font-size: 0.875rem; color: var(--text-secondary); }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.text-serif { font-family: var(--font-serif); }

/* --- Layout Utilities --- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.container--narrow {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.container--chat {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { align-items: center; justify-content: space-between; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.w-full { width: 100%; }

/* --- Card --- */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.card--elevated {
  box-shadow: var(--shadow-md);
}
.card--glow {
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  line-height: 1.4;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--primary-soft);
  outline-offset: 2px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--primary);
  color: var(--text-on-primary);
}
.btn--primary:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary-soft);
}
.btn--secondary:hover:not(:disabled) {
  background: var(--primary-faint);
  border-color: var(--primary);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn--ghost:hover:not(:disabled) {
  background: var(--bg-warm);
  color: var(--text);
}

.btn--danger {
  background: transparent;
  color: var(--danger);
  border: 1.5px solid var(--danger);
}
.btn--danger:hover:not(:disabled) {
  background: var(--danger-soft);
  border-color: var(--danger-hover);
  color: var(--danger-hover);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn--block {
  width: 100%;
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-lg);
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}
.form-group .hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.form-status {
  margin-top: var(--space-md);
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-status[hidden] {
  display: none;
}

.form-status--success {
  color: var(--primary-hover);
}

.form-status--error {
  color: var(--danger-hover);
}

.form-status--pending {
  color: var(--text-secondary);
}

.auth-support-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.auth-support-row[hidden] {
  display: none;
}

.input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  line-height: 1.5;
}
.input:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-soft);
  box-shadow: 0 0 0 3px rgba(123, 158, 135, 0.12);
}
.input::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239B9B9B' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Toggle switch */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}
.toggle-row + .toggle-row {
  border-top: 1px solid var(--border-light);
}
.toggle-label {
  flex: 1;
}
.toggle-label strong {
  display: block;
  font-weight: 500;
  font-size: 0.95rem;
}
.toggle-label span {
  font-size: 0.825rem;
  color: var(--text-muted);
}
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
  margin-left: var(--space-md);
}
.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.toggle .slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--duration) var(--ease);
}
.toggle .slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform var(--duration) var(--ease);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.toggle input:checked + .slider {
  background: var(--primary);
}
.toggle input:checked + .slider::before {
  transform: translateX(20px);
}
.toggle input:focus-visible + .slider {
  outline: 2px solid var(--primary-soft);
  outline-offset: 2px;
}

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1.5px solid var(--border-light);
  margin-bottom: var(--space-xl);
}
.tab {
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1.5px;
  transition: all var(--duration) var(--ease);
}
.tab:hover {
  color: var(--text-secondary);
}
.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 500;
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
  animation: fadeIn var(--duration-slow) var(--ease);
}

/* --- Top Navigation --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 246, 242, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-sm) var(--space-lg);
}
.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
}
.topbar-brand:hover { color: var(--text); }
.topbar-brand .brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}
.topbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.topbar-link {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--duration) var(--ease);
}
.topbar-link:hover {
  background: var(--bg-warm);
  color: var(--text);
}
.topbar-link.active {
  color: var(--primary);
  font-weight: 500;
}
.topbar-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-faint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--primary-soft);
  transition: all var(--duration) var(--ease);
}
.topbar-avatar:hover {
  background: var(--primary-soft);
  color: white;
}

/* --- Badge / Pill --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}
.badge--green {
  background: var(--primary-faint);
  color: var(--primary-hover);
}
.badge--lavender {
  background: var(--accent-faint);
  color: var(--accent);
}
.badge--sand {
  background: #F5EFE3;
  color: #8B7A5E;
}

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: var(--space-xl) 0;
}

/* --- Danger Zone --- */
.danger-zone {
  border: 1.5px solid var(--danger);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  background: var(--danger-soft);
}
.danger-zone h3 {
  color: var(--danger);
  margin-bottom: var(--space-sm);
}
.danger-zone p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}
.danger-zone .danger-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* --- Chat Specific --- */
.chat-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 53px);
  max-height: calc(100dvh - 53px);
}
.chat-toolbar {
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(180deg, rgba(123, 158, 135, 0.08), rgba(123, 158, 135, 0.02));
  padding: var(--space-md) var(--space-lg);
}
.chat-toolbar-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.chat-session-copy {
  display: grid;
  gap: 4px;
}
.chat-session-label {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.chat-session-subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.chat-reset-btn {
  white-space: nowrap;
}
.chat-session-note {
  max-width: 720px;
  margin: var(--space-sm) auto 0;
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(123, 158, 135, 0.25);
  background: rgba(123, 158, 135, 0.1);
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.5;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xl) var(--space-lg);
  scroll-behavior: smooth;
}
.chat-messages-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.message {
  display: flex;
  gap: var(--space-md);
  max-width: 85%;
  animation: messageIn var(--duration-slow) var(--ease);
}
.message--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.message--bot,
.message--assistant {
  align-self: flex-start;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 2px;
}
.message--bot .message-avatar,
.message--assistant .message-avatar {
  background: var(--primary-faint);
  color: var(--primary);
}
.message--user .message-avatar {
  background: var(--accent-faint);
  color: var(--accent);
}

.message-bubble {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.95rem;
  line-height: 1.6;
}

.message-bubble p,
.message-bubble ul,
.message-bubble ol,
.message-bubble h3,
.message-bubble h4 {
  margin: 0;
}

.message-bubble p + p,
.message-bubble p + ul,
.message-bubble p + ol,
.message-bubble ul + p,
.message-bubble ol + p,
.message-bubble h3 + p,
.message-bubble h4 + p {
  margin-top: var(--space-sm);
}

.message-bubble ul,
.message-bubble ol {
  padding-left: 1.2rem;
}

.message-bubble li + li {
  margin-top: 0.25rem;
}

.message-bubble code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 0.08rem 0.34rem;
  border-radius: 6px;
  background: rgba(58, 58, 58, 0.08);
}

.message-bubble a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.message--user .message-bubble code {
  background: rgba(255, 255, 255, 0.18);
}
.message--bot .message-bubble,
.message--assistant .message-bubble {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-bottom-left-radius: var(--space-xs);
}
.message--user .message-bubble {
  background: var(--primary);
  color: var(--text-on-primary);
  border-bottom-right-radius: var(--space-xs);
}

.message-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}
.message--user .message-time {
  text-align: right;
  color: rgba(255,255,255,0.6);
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 0.75rem 1rem;
}
.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typingDot 1.4s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

/* Chat input */
.chat-input-area {
  border-top: 1px solid var(--border-light);
  background: var(--surface);
  padding: var(--space-md) var(--space-lg);
}
.chat-input-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
}
.chat-action {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface-alt);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease), background var(--duration) var(--ease), color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.chat-action:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--primary-soft);
  color: var(--primary);
  background: rgba(123, 158, 135, 0.08);
}
.chat-action:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.chat-action svg {
  width: 18px;
  height: 18px;
}
.chat-action--mic.is-recording {
  border-color: rgba(180, 72, 72, 0.35);
  color: #b44848;
  background: rgba(180, 72, 72, 0.12);
  box-shadow: 0 0 0 8px rgba(180, 72, 72, 0.08);
}
.chat-action--mic.is-recording svg {
  animation: micPulse 1.3s ease-in-out infinite;
}
.chat-input-inner textarea {
  flex: 1;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  resize: none;
  min-height: 44px;
  max-height: 120px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.5;
  background: var(--surface-alt);
}
.chat-input-inner textarea:focus {
  outline: none;
  border-color: var(--primary-soft);
  box-shadow: 0 0 0 3px rgba(123, 158, 135, 0.12);
  background: var(--surface);
}
.chat-send {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--duration) var(--ease);
}
.chat-send:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: scale(1.05);
}
.chat-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.chat-send svg {
  width: 18px;
  height: 18px;
}

.chat-composer-status {
  max-width: 720px;
  margin: var(--space-sm) auto 0;
  min-height: 1.35rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.chat-composer-status[data-state="recording"] {
  color: #b44848;
}

.chat-composer-status[data-state="error"] {
  color: var(--danger);
}

.chat-composer-status[data-state="success"] {
  color: var(--primary-hover);
}

.chat-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Onboarding Stepper --- */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}
.stepper-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: all var(--duration-slow) var(--ease);
}
.stepper-dot.active {
  background: var(--primary);
  width: 28px;
  border-radius: var(--radius-full);
}
.stepper-dot.done {
  background: var(--primary-soft);
}
.stepper-line {
  width: 24px;
  height: 2px;
  background: var(--border-light);
  border-radius: 1px;
}

.step {
  display: none;
  animation: fadeSlideUp var(--duration-slow) var(--ease);
}
.step.active { display: block; }

/* --- Modal / Dialog --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(58, 58, 58, 0.3);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration) var(--ease), visibility var(--duration) var(--ease);
}
.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: translateY(8px);
  transition: transform var(--duration) var(--ease);
}
.modal-backdrop.open .modal {
  transform: translateY(0);
}
.modal h3 {
  margin-bottom: var(--space-sm);
}
.modal p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.modal-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  margin-top: var(--space-xl);
}

/* --- Landing Page Specifics --- */
.hero {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  max-width: 640px;
  margin: 0 auto;
}
.hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}
.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
}
.feature-card {
  text-align: center;
  padding: var(--space-xl);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  color: var(--primary-hover);
}
.feature-icon svg,
.values-list .value-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature-icon--green { background: var(--primary-faint); }
.feature-icon--lavender { background: var(--accent-faint); color: var(--accent); }
.feature-icon--sand { background: #F5EFE3; color: #8B7A5E; }
.feature-card h3 {
  margin-bottom: var(--space-sm);
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.landing-section {
  padding: calc(var(--space-3xl) + var(--space-xl)) 0;
}
.landing-section--tinted {
  background: var(--bg-warm);
  border-radius: var(--radius-xl);
  margin: var(--space-2xl) var(--space-lg);
  padding: calc(var(--space-3xl) + var(--space-xl)) var(--space-xl);
}

.values-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 540px;
  margin: 0 auto;
}
.values-list li {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}
.values-list .value-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--primary-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}
.values-list strong {
  display: block;
  font-weight: 500;
  margin-bottom: 2px;
}
.values-list span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-light);
  margin-top: var(--space-3xl);
}
.footer a {
  color: var(--text-secondary);
}

/* --- Settings Sections --- */
.settings-section {
  margin-bottom: var(--space-2xl);
}
.settings-section h2 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}
.settings-section > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes messageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes typingDot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}
@keyframes micPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.8; }
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 1; }
}

/* Breathing orb (decorative element) */
.breathe-orb {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-soft), var(--primary-faint));
  animation: breathe 11s var(--ease) infinite;
  margin: 0 auto var(--space-xl);
  opacity: 0.7;
}

.hero .btn--primary:hover:not(:disabled),
.landing-section .btn--primary:hover:not(:disabled),
.landing-section--tinted .btn--primary:hover:not(:disabled),
.hero .btn--secondary:hover:not(:disabled),
.landing-section .btn--secondary:hover:not(:disabled),
.landing-section--tinted .btn--secondary:hover:not(:disabled) {
  transform: none;
  box-shadow: none;
}

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: var(--surface);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  opacity: 0;
  transition: all var(--duration-slow) var(--ease);
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- Responsive --- */
@media (max-width: 640px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.35rem; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .card { padding: var(--space-lg); }
  .container, .container--narrow, .container--chat {
    padding: 0 var(--space-md);
  }
  .topbar { padding: var(--space-sm) var(--space-md); }
  .hero { padding: var(--space-2xl) var(--space-md); }
  .feature-grid { grid-template-columns: 1fr; }
  .modal { padding: var(--space-xl); }
  .landing-section--tinted {
    margin: var(--space-xl) var(--space-sm);
    padding: var(--space-2xl) var(--space-lg);
  }
}

/* --- Print --- */
@media print {
  .topbar, .chat-input-area, .btn { display: none; }
  body { background: white; }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}