:root {
  /* Color tokens */
  --color-accent: #0d7377;
  --color-accent-soft: #14a098;
  --color-accent-bg: #e8f4f4;
  --color-accent-dark: #2ab8b8;

  --ink: #0a0a0a;
  --ink-soft: #4a4a4e;
  --ink-mute: #8a8a8e;

  --paper: #ffffff;
  --paper-warm: #f7f6f3;
  --paper-dark: #f0ede8;
  --line: #e2e0db;

  --dark-bg: #0c1410;
  --dark-surface: #111a15;
  --dark-border: #1e3028;

  /* Spacing & layout */
  --section-padding: 100px;
  --container-max-width: 1180px;
  --side-padding: 32px;
  --grid-gap: 24px;
  --card-padding-vertical: 40px;
  --card-padding-horizontal: 32px;

  /* Radii */
  --radius-button: 2px;
  --radius-card: 0px;
  --radius-pill: 20px;

  color-scheme: light;
  font-family: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--paper-warm);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}

.container {
  width: min(var(--container-max-width), calc(100% - (var(--side-padding) * 2)));
  margin: 0 auto;
  padding-left: var(--side-padding);
  padding-right: var(--side-padding);
}

.site-header {
  background: var(--dark-bg);
  color: var(--paper);
  padding: 1rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--paper);
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  color: white;
}

.hero {
  padding: 4rem 0 3rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-family: 'DM Sans', system-ui, sans-serif;
}

.hero h1 {
  margin: 0;
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  font-size: clamp(2.625rem, 6vw, 4.125rem); /* 42px - 66px */
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero p {
  max-width: 760px;
  line-height: 1.7;
  margin: 1.25rem 0 2rem;
  color: var(--ink-soft);
  font-size: 15px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-button);
  background: var(--color-accent);
  color: var(--paper);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.button-secondary {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
}

.features-grid,
.pricing-grid,
.dashboard-grid,
.tier-grid {
  display: grid;
  gap: var(--grid-gap);
}

.features-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 3rem;
}

.features-grid article,
.pricing-card,
.tier-card,
.metric-block {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: var(--card-padding-vertical) var(--card-padding-horizontal);
  box-shadow: none;
}

.features-grid h2,
.pricing-section h2,
.section-heading h1,
.metric-block h2 {
  margin-top: 0;
}

.pricing-section {
  margin: 2rem 0 3rem;
}

.pricing-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.tier-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.pricing-card h3,
.tier-card h3 {
  margin-top: 0;
}

.pricing-card.featured,
.tier-card.featured {
  border-color: #1d4ed8;
}

.price {
  font-size: 2rem;
  color: #1d4ed8;
  margin: 1rem 0;
}

.pricing-card ul,
.tier-card ul {
  padding-left: 1.1rem;
}

.pricing-card li,
.tier-card li {
  margin-bottom: 0.6rem;
}

.section-heading {
  padding: 1rem 0 1rem;
}

.section-heading p {
  max-width: 760px;
  color: #334e68;
}

.site-footer {
  padding: 2rem 0 3rem;
}

.footer-inner {
  display: flex;
  justify-content: center;
  color: #64748b;
}

.metrics-panel {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0 3rem;
  grid-template-columns: minmax(0, 1fr);
}

.metric-block p {
  margin: 0.75rem 0 0;
  color: #334e68;
  line-height: 1.75;
}

.dashboard-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.dashboard-card {
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  background: var(--paper);
  padding: var(--card-padding-vertical) var(--card-padding-horizontal);
}

.account-panel {
  margin: 1rem 0 2rem;
}

.account-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  background: var(--paper);
  padding: var(--card-padding-vertical) var(--card-padding-horizontal);
}

.account-card h2 {
  margin-top: 0;
}

    .profile-top {
      display: grid;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }

    .avatar-stack {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 0.75rem;
    }

    .profile-avatar {
      width: 120px;
      height: 120px;
      border-radius: 50%;
      object-fit: cover;
      border: 1px solid var(--line);
      background: var(--paper);
    }

    .avatar-upload {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.65rem 1rem;
      background: var(--color-accent-bg);
      color: var(--color-accent-dark);
      border-radius: var(--radius-pill);
      font-size: 0.9rem;
      cursor: pointer;
      border: 1px solid rgba(13, 115, 119, 0.16);
    }

    .avatar-upload input {
      display: none;
    }

    .input-label {
      display: block;
      margin-bottom: 0.5rem;
      color: var(--ink-soft);
      font-size: 0.9rem;
    }

    .text-input {
      width: 100%;
      border: 1px solid var(--line);
      padding: 0.85rem 0.9rem;
      border-radius: 4px;
      font-size: 0.95rem;
      color: var(--ink);
    }

    .msg {
      margin-top: 1rem;
      font-size: 0.95rem;
    }

}

.account-card strong {
  color: var(--ink);
}

.account-actions {
  margin-top: 1.5rem;
}

.account-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.account-badge {
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-bg);
  color: var(--color-accent-dark);
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid rgba(13, 115, 119, 0.12);
}

.dashboard-card h3 {
  margin: 0 0 0.75rem;
}

.dashboard-card p {
  color: #334e68;
  margin: 0.5rem 0 0;
  line-height: 1.7;
}

.dashboard-card strong {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  margin-top: 0.75rem;
  color: var(--ink);
}

/* Topbar + Sidebar layout for user dashboard */
.topbar {
  position: sticky;
  top: 0;
  width: 100%;
  min-height: 60px;
  background: #0A0A0A;
  color: var(--paper);
  z-index: 1000;
  box-shadow: 0 2px 18px rgba(0,0,0,0.14);
  backdrop-filter: blur(10px);
}
.topbar-inner { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:0.6rem 0; }
.topbar-brand { display:flex; align-items:center; }
.topbar-brand a { display:flex; align-items:center; text-decoration:none; }
.topbar-logo { height:30px; width:auto; display:block; }
.topbar-button { background:transparent; border:0; color:var(--paper); font-size:1rem; padding:0.4rem 0.6rem; cursor:pointer }
.topbar-actions { display:flex; gap:0.6rem; align-items:center }
.user-pill { display:inline-flex; align-items:center; gap:0.5rem; cursor:pointer }
.user-initials { width:36px; height:36px; display:inline-flex; align-items:center; justify-content:center; border-radius:50%; background:var(--color-accent); color:var(--paper); font-weight:700 }
.user-avatar-top { width:36px; height:36px; border-radius:50%; object-fit:cover; display:none; }

.topbar-search { flex:1; display:flex; justify-content:center; }
.top-search-input { width:60%; max-width:520px; padding:0.45rem 0.75rem; border-radius:6px; border:1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.03); color:var(--paper); }
.topbar-nav { display:flex; gap:0.5rem; align-items:center }
.topbar-link { color:var(--paper); background:transparent; border:0; padding:0.35rem 0.5rem; cursor:pointer; text-decoration:none }
.topbar-icon { background:transparent; border:0; color:var(--paper); position:relative; padding:0.25rem 0.5rem; cursor:pointer; font-size:1.1em; }
.badge {
  background: #b00020;
  color: white;
  border-radius: 999px;
  padding: 0 4px;
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  position: absolute;
  top: -2px;
  right: -2px;
  pointer-events: none;
}
.quick-actions .topbar-button { background:rgba(255,255,255,0.06); color:var(--paper); border-radius:4px }

.dropdown { position:relative }
.dropdown-menu { position:absolute; right:0; top:calc(100% + 8px); background:var(--paper); color:var(--ink); border:1px solid var(--line); padding:8px; min-width:180px; display:block; box-shadow:0 6px 18px rgba(15,15,15,0.06); border-radius:6px }
.dropdown-menu[aria-hidden="true"] { display:none }
.dropdown-menu a, .dropdown-menu button { display:block; padding:6px 10px; text-decoration:none; color:inherit; background:transparent; border:0; text-align:left; width:100%; }
.dropdown-action { cursor:pointer }

/* ── Topbar mobile collapse ── */
@media (max-width:900px) {
  .topbar-search  { display:none }
  .quick-actions  { display:none }
  /* hide nav text links and dropdowns */
  .topbar-link[href]    { display:none }
  #help-menu            { display:none }
  .profile-dropdown     { display:none }
  /* hide items duplicated by bottom nav */
  .topbar-brand         { display:none }
  #btn-messages         { display:none }
  #user-pill            { display:none }
  /* tighten up remaining icons */
  .topbar-inner { padding:0.5rem 0 }
  /* align topbar house icon with bottom nav left edge */
  .topbar-inner {
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    box-sizing: border-box;
  }
  #sidebar-toggle { padding: 0; margin: 0; }
}

/* ── Layout ── */
.layout { display:flex; min-height: calc(100vh - 56px); }
.sidebar { width:220px; background:transparent; border-right:1px solid var(--line); padding:1rem 0; position:relative }
.sidebar .sidebar-nav { display:flex; flex-direction:column; gap:0.5rem; padding:0 0.75rem }
.sidebar-section { padding-top:0.25rem; }
.sidebar-section h4 { margin:0 0 0.35rem; font-size:0.85rem; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.06em }
.nav-item { display:flex; align-items:center; gap:0.75rem; padding:0.55rem 0.75rem; color:var(--ink); text-decoration:none; border-radius:6px }
.nav-item .nav-icon { width:28px; text-align:center }
.nav-item.active, .nav-item:hover { background:var(--paper); box-shadow: 0 1px 0 rgba(0,0,0,0.02) }
.main-content { flex:1; padding:1.25rem 0 3rem; }

.sidebar.collapsed { width:64px }
.sidebar.collapsed .nav-label { display:none }

@media (max-width: 900px) {
  /* sidebar becomes a drawer — still available but hidden by default */
  .sidebar { position:fixed; left:0; top:56px; bottom:0; transform:translateX(-100%); transition:transform .2s ease; z-index:30; background:var(--paper-warm) }
  .sidebar.visible { transform:translateX(0) }
  .layout { padding-left:0 }
  /* push content above bottom nav */
  .main-content { padding-bottom: 88px; }
}

/* ── Bottom Nav ── */
.bottom-nav {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background: #0A0A0A;
  border-top: 1px solid rgba(255,255,255,0.08);
  align-items: stretch;
  padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  gap: 4px;
  background: transparent;
  border: none;
  color: #9A9A9A;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  padding: 6px 4px;
  transition: color 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
  color: #0d7377;
}

.bottom-nav-icon {
  font-size: 20px;
  line-height: 1;
}

.bottom-nav-item.active .bottom-nav-icon {
  filter: drop-shadow(0 0 6px rgba(42,184,184,0.5));
}

/* active indicator pip */
.bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 3px;
  background: #0d7377;
  border-radius: 0 0 3px 3px;
}

/* ── FAB (Floating Action Button) ── */
.fab {
  display: none;
}

@media (max-width: 900px) {
  .fab {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 99;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--paper);
    border: none;
    font-size: 24px;
    line-height: 1;
    box-shadow: 0 4px 16px rgba(13,115,119,0.45);
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
    -webkit-tap-highlight-color: transparent;
  }

  .fab:active {
    transform: scale(0.93);
    box-shadow: 0 2px 8px rgba(13,115,119,0.3);
  }

  /* FAB tooltip label */
  .fab::after {
    content: attr(data-label);
    position: absolute;
    right: calc(100% + 10px);
    background: var(--dark-bg);
    color: var(--paper);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
    padding: 5px 10px;
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s;
  }

  .fab:hover::after,
  .fab:focus::after {
    opacity: 1;
  }

  /* nudge trudy widget above the bottom nav */
  .trudy-widget {
    bottom: calc(80px + env(safe-area-inset-bottom));
  }
}

.card-actions {
  margin-top: 1rem;
}

.card-actions .button {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-button);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .account-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 0.8rem;
  }
}

/* Trudy chat widget */
.trudy-widget { position:fixed; right:24px; bottom:24px; z-index:200; font-family:inherit }
.trudy-toggle { width:56px; height:56px; border-radius:28px; background:var(--color-accent); color:var(--paper); display:flex; align-items:center; justify-content:center; box-shadow:0 6px 18px rgba(15,15,15,0.18); cursor:pointer; border:none }
.trudy-panel { width:340px; max-width:calc(100vw - 48px); height:480px; background:var(--paper); border:1px solid var(--line); border-radius:10px; box-shadow:0 12px 36px rgba(10,10,10,0.16); overflow:hidden; display:flex; flex-direction:column; margin-bottom:12px }
.trudy-header { display:flex; align-items:center; justify-content:space-between; padding:10px 12px; background:linear-gradient(90deg,var(--color-accent),var(--color-accent-dark)); color:var(--paper) }
.trudy-title { display:flex; gap:10px; align-items:center; font-weight:700 }
.trudy-title .trudy-dot { width:10px; height:10px; background:#22c55e; border-radius:6px; box-shadow:0 0 8px rgba(34,197,94,0.35) }
.trudy-controls { display:flex; gap:6px }
.trudy-controls button { background:transparent; border:0; color:inherit; cursor:pointer; font-size:14px }
.trudy-messages { flex:1; padding:12px; overflow:auto; background:linear-gradient(180deg, #fbfeff 0%, #f4fbfb 100%); display:flex; flex-direction:column; gap:8px }
.trudy-message { max-width:78%; padding:8px 10px; border-radius:8px; font-size:13px; line-height:1.3 }
.trudy-message.user { align-self:flex-end; background:var(--color-accent); color:var(--paper) }
.trudy-message.bot { align-self:flex-start; background:var(--paper); border:1px solid var(--line); color:var(--ink) }
.trudy-input { display:flex; gap:8px; padding:10px; border-top:1px solid var(--line); background:transparent }
.trudy-input input { flex:1; padding:0.6rem 0.75rem; border:1px solid var(--line); border-radius:6px }
.trudy-input button { padding:0.55rem 0.8rem; border-radius:6px; border:0; background:var(--color-accent); color:var(--paper); cursor:pointer }
.trudy-hidden .trudy-panel { display:none }
.trudy-hidden .trudy-toggle { box-shadow:none; transform:scale(0.98) }

@media (max-width:520px) {
  .trudy-panel { width:92vw; height:60vh }
  .trudy-toggle { width:48px; height:48px }
}