/* ==========================================================================
   Trash2Cash design system
   One stylesheet, organized in sections: tokens -> reset -> layout ->
   components -> page-specific -> responsive.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Color */
  --ink: #101715;
  --ink-soft: #3A4440;
  --muted: #606963;
  --paper: #FAF8F3;
  --paper-alt: #F0ECE1;
  --surface: #FFFFFF;
  --border: rgba(16, 23, 21, 0.12);
  --border-strong: rgba(16, 23, 21, 0.22);

  --primary: #1E9E62;
  --primary-dark: #14713F;
  --primary-tint: #E4F4EA;

  --accent: #F0AC2E;
  --accent-dark: #875D0B;
  --accent-tint: #FCEFD3;

  --danger: #9C352E;
  --danger-tint: #FBEAE8;

  --on-dark: #F4F1E9;
  --on-dark-muted: #B9C2BC;

  /* Type */
  --font-display: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Shape / motion */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(16, 23, 21, 0.08);
  --shadow-md: 0 8px 24px rgba(16, 23, 21, 0.10);
  --shadow-lg: 0 20px 48px rgba(16, 23, 21, 0.16);
  --ease: cubic-bezier(0.2, 0.65, 0.3, 1);

  --container: 1120px;
}

/* ==========================================================================
   Reset
   ========================================================================== */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, picture, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.25rem, 4vw + 1rem, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 2.2vw + 1rem, 2.25rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }

p { color: var(--ink-soft); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

section { padding-block: clamp(3rem, 6vw, 5.5rem); }
.section-alt { background: var(--paper-alt); }
.section-dark { background: var(--ink); color: var(--on-dark); }
.section-dark p { color: var(--on-dark-muted); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--on-dark); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}
.section-dark .eyebrow { color: var(--accent); }

.section-head { max-width: 640px; margin-bottom: 2.5rem; }
.section-head p { margin-top: 0.75rem; font-size: 1.05rem; }

/* Visually-hidden but accessible */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--primary); color: #fff; padding: 0.6rem 1rem;
  border-radius: var(--radius-sm); z-index: 200; transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* Focus states — visible everywhere */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 243, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
}
.brand-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: var(--primary);
  color: #fff;
  border-radius: 9px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--primary);
}

.nav-cta {
  margin-left: 0.5rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color .2s var(--ease);
  min-height: 48px;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* --primary-dark (not --primary) is the button background: white text on
   --primary alone is a 3.43:1 contrast, below WCAG AA's 4.5:1 for text. */
.btn-primary { background: var(--primary-dark); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover:not(:disabled) { background: #116035; box-shadow: var(--shadow-md); }

.btn-accent { background: var(--accent); color: #241900; box-shadow: var(--shadow-sm); }
.btn-accent:hover:not(:disabled) { background: #DD9B1F; }

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--ink);
}
.btn-outline:hover:not(:disabled) { border-color: var(--ink); background: var(--surface); }

.section-dark .btn-outline { border-color: rgba(244,241,233,0.4); color: var(--on-dark); }
.section-dark .btn-outline:hover:not(:disabled) { border-color: var(--on-dark); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.55rem 1rem; min-height: 38px; font-size: 0.88rem; }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  background: radial-gradient(120% 120% at 15% -10%, #1B3A2C 0%, var(--ink) 55%);
  color: var(--on-dark);
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(244,241,233,0.09) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero h1 { color: var(--on-dark); }
.hero h1 .accent-word { color: var(--accent); }
.hero-lede { font-size: 1.15rem; max-width: 46ch; margin-top: 1.25rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2.25rem; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; font-weight: 600; color: var(--on-dark-muted);
  border: 1px solid rgba(244,241,233,0.18);
  padding: 0.35rem 0.7rem; border-radius: 999px;
}
.hero-badge svg { width: 14px; height: 14px; color: var(--accent); }

.hero-panel {
  background: rgba(250,248,243,0.06);
  border: 1px solid rgba(244,241,233,0.14);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(6px);
}
.hero-panel-row {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline;
  gap: 0.25rem 1rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid rgba(244,241,233,0.12);
}
.hero-panel-row:last-child { border-bottom: none; }
.hero-panel-row .material { font-weight: 600; min-width: 0; }
.hero-panel-row .rate { color: var(--accent); font-weight: 700; font-family: var(--font-display); white-space: nowrap; }
.hero-panel-foot { margin-top: 1rem; font-size: 0.82rem; color: var(--on-dark-muted); }

/* ==========================================================================
   Feature grid / cards
   ========================================================================== */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }

.icon-badge {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--primary-tint);
  color: var(--primary-dark);
}
.icon-badge svg { width: 24px; height: 24px; }
.icon-badge.accent { background: var(--accent-tint); color: var(--accent-dark); }

.feature-card h3 { margin-top: 0.1rem; }
.feature-card p { font-size: 0.95rem; }
.feature-card .card-link {
  margin-top: auto;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary-dark);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 0.3rem;
}
.feature-card .card-link:hover { text-decoration: underline; }

.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 0.25rem 0.55rem; border-radius: 999px;
  background: var(--paper-alt); color: var(--muted);
  width: fit-content;
}
.badge.badge-soon { background: var(--accent-tint); color: var(--accent-dark); }
.badge.badge-live { background: var(--primary-tint); color: var(--primary-dark); }

/* ==========================================================================
   Steps ("How it works")
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 1rem;
  border-top: 3px solid var(--primary);
}
.step-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--border-strong);
  display: block;
  margin-bottom: 0.5rem;
}
.step h3 { margin-bottom: 0.4rem; }
.step p { font-size: 0.95rem; }

/* ==========================================================================
   Forms
   ========================================================================== */

.field { margin-bottom: 1.25rem; }
.field label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}
.field .hint { font-size: 0.82rem; color: var(--muted); margin-top: 0.35rem; }
.field .error-text {
  font-size: 0.85rem; color: var(--danger); margin-top: 0.4rem; font-weight: 600;
  display: none;
}
.field.has-error .error-text { display: block; }
.field.has-error input, .field.has-error select { border-color: var(--danger); }

.input, select.input, textarea.input {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
  font-size: 1rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.input:focus, select.input:focus, textarea.input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-tint);
  outline: none;
}
textarea.input { resize: vertical; min-height: 120px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Result panel (reward calculator)
   ========================================================================== */

.result-panel {
  margin-top: 1.75rem;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background: var(--primary-tint);
  border: 1px solid rgba(30,158,98,0.25);
  display: none;
}
.result-panel.is-visible { display: block; animation: rise 0.35s var(--ease); }
.result-panel.is-error { background: var(--danger-tint); border-color: rgba(196,67,58,0.3); }
.result-panel .result-label {
  font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--primary-dark);
}
.result-panel.is-error .result-label { color: var(--danger); }
.result-panel .result-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-block: 0.3rem;
  color: var(--ink);
}
.result-panel .result-note { font-size: 0.88rem; color: var(--ink-soft); }

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

.rate-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.rate-table th, .rate-table td {
  text-align: left; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.rate-table th { color: var(--muted); font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }

/* ==========================================================================
   Materials
   ========================================================================== */

.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.material-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.material-card h3 { margin-top: 0.2rem; }
.material-card h3 a { text-decoration: none; color: inherit; }
.material-card h3 a:hover { text-decoration: underline; }
.material-examples { font-size: 0.9rem; color: var(--muted); }
.material-rate {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.material-card-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.5rem; }

.material-detail-head { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin-bottom: 0.75rem; }
.material-prep-list { margin-top: 0.5rem; padding-left: 1.2rem; }
.material-prep-list li { margin-bottom: 0.35rem; color: var(--ink-soft); }
.material-disclaimer {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--paper-alt);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
}
.material-not-sure {
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* ==========================================================================
   Location finder
   ========================================================================== */

.city-tabs { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.city-tab {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
}
.city-tab[aria-pressed="true"],
.city-tab[aria-current="page"] { background: var(--ink); color: var(--on-dark); border-color: var(--ink); }

.location-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.location-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  background: var(--surface);
}
.location-card h3 { display: flex; align-items: center; gap: 0.5rem; }
.location-card .location-city { font-size: 0.85rem; color: var(--muted); margin-top: 0.2rem; }
.location-card .location-note {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--accent-dark);
  background: var(--accent-tint);
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-sm);
}
.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--muted);
}

/* ==========================================================================
   Assistant / chat
   ========================================================================== */

.chat-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: min(680px, 72vh);
  /* dvh accounts for mobile browser chrome (address bar, keyboard) —
     vh above is the fallback for browsers that don't support it. */
  height: min(680px, 72dvh);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--paper-alt);
}
.chat-head-title { display: flex; align-items: center; gap: 0.65rem; font-weight: 700; }
.chat-mode {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em;
  padding: 0.25rem 0.55rem; border-radius: 999px; background: var(--border);
  color: var(--muted);
}
.chat-mode[data-mode="openai"] { background: var(--primary-tint); color: var(--primary-dark); }
.chat-mode[data-mode="local_fallback"] { background: var(--accent-tint); color: var(--accent-dark); }

.chat-log {
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.chat-empty { margin: auto; text-align: center; max-width: 34ch; color: var(--muted); }
.chat-empty svg { width: 40px; height: 40px; margin: 0 auto 0.75rem; color: var(--border-strong); }

.msg { max-width: 78%; padding: 0.7rem 0.95rem; border-radius: var(--radius-md); font-size: 0.95rem; line-height: 1.5; overflow-wrap: break-word; }
.msg-user { align-self: flex-end; background: var(--ink); color: var(--on-dark); border-bottom-right-radius: 4px; }
.msg-assistant { align-self: flex-start; background: var(--paper-alt); border-bottom-left-radius: 4px; }
.msg-error { align-self: flex-start; background: var(--danger-tint); color: var(--danger); }

.typing-dots { display: inline-flex; gap: 4px; align-items: center; }
.typing-dots span {
  width: 6px; height: 6px; border-radius: 50%; background: var(--muted);
  animation: bounce 1.2s infinite ease-in-out;
}
.typing-dots span:nth-child(2) { animation-delay: 0.15s; }
.typing-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.5; } 30% { transform: translateY(-4px); opacity: 1; } }

.chat-suggestions {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  padding: 0 1.25rem 1rem;
}
.suggestion-chip {
  min-height: 44px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.suggestion-chip:hover { border-color: var(--primary); color: var(--primary-dark); }

.chat-input-row {
  display: flex; align-items: flex-end; gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}
.chat-input-row textarea {
  flex: 1;
  resize: none;
  max-height: 120px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
}
.chat-input-row textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 4px var(--primary-tint); }
.chat-send {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--primary); color: #fff; border: none; cursor: pointer; flex-shrink: 0;
}
.chat-send:hover:not(:disabled) { background: var(--primary-dark); }
.chat-send:disabled { opacity: 0.5; cursor: not-allowed; }
.chat-send svg { width: 20px; height: 20px; }

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}
.alert-success { background: var(--primary-tint); color: var(--primary-dark); }
.alert-error { background: var(--danger-tint); color: var(--danger); }

/* ==========================================================================
   Footer
   ========================================================================== */

footer.site-footer {
  background: var(--ink);
  color: var(--on-dark-muted);
  padding-block: 2.5rem;
  font-size: 0.88rem;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a { text-decoration: none; color: var(--on-dark-muted); font-weight: 600; }
.footer-links a:hover { color: var(--on-dark); }

/* ==========================================================================
   About page
   ========================================================================== */

.prose { max-width: 68ch; }
.prose p + p { margin-top: 1rem; }
.prose h2 { margin-top: 2.25rem; margin-bottom: 0.75rem; }

.about-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-block: 2rem;
  max-width: 420px;
}
.about-photo img { width: 100%; height: auto; display: block; }
.about-photo figcaption {
  padding: 0.85rem 1.1rem;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--surface);
}

/* ==========================================================================
   Photo feature (asymmetric image collage + text)
   ========================================================================== */

.photo-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.photo-collage {
  position: relative;
  max-width: 340px;
}
.photo-collage-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.photo-collage-main img { width: 100%; height: auto; display: block; }
.photo-collage-accent {
  position: absolute;
  bottom: -1.5rem;
  right: -1.75rem;
  width: 45%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 4px solid var(--paper);
  box-shadow: var(--shadow-lg);
}
.photo-collage-accent img { width: 100%; height: auto; display: block; }

.photo-feature-copy p { margin-top: 1rem; }
.photo-feature-caption {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ==========================================================================
   Two-column layout helper
   ========================================================================== */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Nav collapses to a hamburger well before the links would crowd the
   bar (6+ links + logo + CTA need more room than a 768px/1024px tablet
   has — verified against the required breakpoint list, not guessed). */
@media (max-width: 1080px) {
  .nav-links {
    position: fixed;
    /* --navbar-height is measured in JS from the navbar's real rendered
       height (main.js) — a prior hardcoded 64px here went stale the
       moment the nav-toggle button grew to a 44px touch target, which
       is exactly what caused the reported clipped/misaligned mobile
       menu. The fallback below is only used before JS runs. */
    top: var(--navbar-height, 74px);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links a { width: 100%; padding-block: 0.85rem; border-bottom: 1px solid var(--border); }
  .nav-links.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle { display: inline-flex; }

  /* The primary CTA doesn't just vanish on mobile — it moves into the
     menu as its own full-width button instead of a plain text link. */
  .nav-cta { width: 100%; margin: 0.75rem 0 0.25rem; }
  .nav-links .nav-cta a.btn {
    width: 100%;
    border-bottom: none;
    padding-block: 0.85rem;
  }
}

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  /* Headline + CTA stay first on mobile (natural source order) — the
     rate panel used to jump ahead of them via order:-1, which meant a
     first-time mobile visitor saw a price table before learning what
     Trash2Cash even is. */
  .split { grid-template-columns: 1fr; }
  .photo-feature { grid-template-columns: 1fr; }
  .photo-collage { max-width: 300px; margin-inline: auto; margin-bottom: 2.5rem; }
}

@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step { border-top: none; border-left: 3px solid var(--primary); padding-top: 0; padding-left: 1rem; }

  .msg { max-width: 88%; }
}

@media (max-width: 480px) {
  .container { padding-inline: 1rem; }
  section { padding-block: 2.5rem; }
  .hero-actions .btn { width: 100%; }
  .chat-shell { height: 78vh; height: 78dvh; border-radius: var(--radius-md); }
  .footer-inner { flex-direction: column; align-items: flex-start; }

  /* At the narrowest widths the collage's centered margin is smaller
     than the accent image's negative offset, which would push it past
     the container edge into horizontal-scroll territory. Pull it in. */
  .photo-collage { max-width: 260px; }
  .photo-collage-accent { right: -0.75rem; bottom: -1rem; }
}