/* ============================================================
   Autoserva — Main Stylesheet
   Design tokens match the onboarding landing page spec.
   ============================================================ */

:root {
  --bg: #0a0a0f;
  --bg-alt: #111118;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --accent-glow: rgba(0, 212, 170, 0.3);
  --warm: #ff6b35;
  --surface: #16161f;
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1100px;
  --radius: 12px;
  --radius-sm: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   NAV
   ============================================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-brand span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--fg); }

.nav-cta {
  background: var(--accent);
  color: #0a0a0f !important;
  padding: 9px 20px;
  border-radius: 100px;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
}

.nav-cta:hover { opacity: 0.9; }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 100px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
  position: relative;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 28px;
  letter-spacing: -0.03em;
  position: relative;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #00e5ff 50%, var(--warm) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 50px;
  position: relative;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 60px;
  position: relative;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #0a0a0f;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  color: var(--fg-muted);
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover { border-color: var(--fg-muted); color: var(--fg); }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--accent);
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1.5px solid var(--accent);
  transition: background 0.2s, color 0.2s;
  text-align: center;
}
.btn-secondary:hover { background: var(--accent); color: #0a0a0f; }

.hero-stats {
  display: flex;
  gap: 40px;
  align-items: center;
  position: relative;
  flex-wrap: wrap;
  justify-content: center;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  text-align: center;
  max-width: 120px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ============================================================
   PROBLEM
   ============================================================ */

.problem {
  background: var(--bg-alt);
  padding: 100px 24px;
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================================
   SERVICES
   ============================================================ */

.services {
  padding: 100px 24px;
}

.services-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.services-header {
  text-align: center;
  margin-bottom: 64px;
}

.services-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.services-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.service-item {
  background: var(--bg);
  padding: 40px 36px;
  position: relative;
  transition: background 0.2s;
}

.service-item:hover { background: var(--surface); }

.service-num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-item p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================================
   VERTICALS
   ============================================================ */

.verticals {
  background: var(--bg-alt);
  padding: 100px 24px;
}

.verticals-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.verticals-inner > h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 64px;
}

.verticals-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}

.vert-tag {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 22px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-muted);
  transition: border-color 0.2s, color 0.2s;
  cursor: default;
}

.vert-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.verticals-note {
  text-align: center;
  color: var(--fg-muted);
  font-size: 0.95rem;
  max-width: 560px;
  margin: 0 auto 80px;
}

/* ─── Industry spotlight cards ─── */

.industry-spotlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 0;
}

.spotlight-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.2s;
}

.spotlight-card:hover { border-color: rgba(0, 212, 170, 0.25); }

.spotlight-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.spotlight-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.spotlight-card p {
  color: var(--fg-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.spotlight-wins {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.spotlight-wins li {
  font-size: 0.82rem;
  color: var(--fg-muted);
  padding-left: 18px;
  position: relative;
}

.spotlight-wins li::before {
  content: '✓';
  color: var(--accent);
  position: absolute;
  left: 0;
  font-weight: 700;
}

/* ============================================================
   CLOSING / CTA BAND
   ============================================================ */

.closing {
  padding: 100px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.2;
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1rem;
  margin-bottom: 40px;
  line-height: 1.7;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */

.contact {
  background: var(--bg-alt);
  padding: 100px 24px;
}

.contact-inner {
  max-width: 680px;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 56px;
}

.contact-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.contact-header p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group select option {
  background: var(--bg);
  color: var(--fg);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.services-check {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  transition: border-color 0.2s;
}

.check-item:hover { border-color: var(--accent); }

.check-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  border: none;
  background: none;
}

.check-item span {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.3;
}

.form-submit {
  margin-top: 32px;
  text-align: center;
}

.form-submit .btn-primary {
  width: 100%;
  max-width: 320px;
  font-size: 1rem;
  padding: 16px 32px;
}

.form-submit .btn-secondary {
  width: 100%;
  max-width: 320px;
  font-size: 1rem;
  padding: 16px 32px;
}

.form-divider {
  text-align: center;
  margin: 24px 0 12px;
  color: var(--fg-muted);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.form-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--fg-muted);
}

.form-msg {
  display: none;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-msg.success {
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.3);
  color: var(--accent);
}

.form-msg.error {
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.3);
  color: var(--warm);
}

/* ============================================================
   THANK YOU PAGE
   ============================================================ */

.thankyou {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
}

.thankyou-inner {
  max-width: 540px;
}

.thankyou-icon {
  font-size: 4rem;
  margin-bottom: 32px;
}

.thankyou h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.thankyou p {
  color: var(--fg-muted);
  font-size: 1rem;
  margin-bottom: 40px;
  line-height: 1.7;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 48px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 24px;
  margin-top: 8px;
}

.footer-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--fg); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .site-nav {
    padding: 16px 20px;
  }

  .nav-links { display: none; }

  .hero { padding: 80px 20px 48px; }

  .hero-stats { gap: 24px; }
  .stat-divider { display: none; }

  .contact-form { padding: 32px 24px; }

  .form-row { grid-template-columns: 1fr; }

  .services-check { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { text-align: center; }
}

/* ============================================================
   DEMO BANNER
   ============================================================ */

.demo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--accent);
  color: #0a0a0f;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 10px 20px;
  line-height: 1.4;
}

.demo-banner-cta {
  background: #0a0a0f;
  color: var(--accent);
  border: none;
  border-radius: 100px;
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  margin-left: 8px;
  transition: opacity 0.2s;
  font-family: var(--font-body);
}

.demo-banner-cta:hover { opacity: 0.85; }

/* Offset nav down when banner is visible */
.site-nav { top: 40px; }

/* ============================================================
   CHAT WIDGET
   ============================================================ */

.chat-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1000;
  font-family: var(--font-body);
}

/* Trigger button */
.chat-trigger {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--accent-glow), 0 2px 8px rgba(0,0,0,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  z-index: 2;
}

.chat-trigger:hover {
  transform: scale(1.07);
  box-shadow: 0 6px 28px var(--accent-glow), 0 2px 12px rgba(0,0,0,0.4);
}

.chat-icon-close { display: none; }
.chat-widget.is-open .chat-icon-open { display: none; }
.chat-widget.is-open .chat-icon-close { display: block; }

/* Chat panel */
.chat-panel {
  position: absolute;
  bottom: 76px;
  right: 0;
  width: 360px;
  max-height: 540px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,212,170,0.08);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.chat-widget.is-open .chat-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* Header */
.chat-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  flex-shrink: 0;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.chat-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
}

.chat-status {
  font-size: 0.75rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 2px;
}

.chat-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  display: inline-block;
}

/* Messages area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Message bubbles */
.chat-bubble {
  max-width: 85%;
  padding: 11px 14px;
  border-radius: 16px;
  font-size: 0.875rem;
  line-height: 1.55;
  word-break: break-word;
}

.chat-bubble.bot {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--fg);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  background: var(--accent);
  color: #0a0a0f;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  font-weight: 500;
}

/* Typing indicator */
.chat-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  width: fit-content;
  max-width: 70px;
  align-self: flex-start;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-muted);
  animation: chatTyping 1.2s ease-in-out infinite;
}

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

@keyframes chatTyping {
  0%, 80%, 100% { transform: scale(1); opacity: 0.4; }
  40% { transform: scale(1.2); opacity: 1; }
}

/* Input row */
.chat-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 9px 16px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input::placeholder { color: var(--fg-muted); }
.chat-input:focus { border-color: var(--accent); }

.chat-send {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s, transform 0.15s;
}

.chat-send:hover { opacity: 0.85; transform: scale(1.05); }
.chat-send:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* Mobile adjustments */
@media (max-width: 480px) {
  .chat-widget {
    bottom: 16px;
    right: 16px;
  }

  .chat-panel {
    width: calc(100vw - 32px);
    bottom: 72px;
    right: -12px;
    max-height: 480px;
  }

  .demo-banner { font-size: 0.8rem; padding: 8px 16px; }
  .site-nav { top: 36px; }
}

/* ============================================================
   ROI CALCULATOR
   ============================================================ */

.roi-calc {
  background: var(--bg-alt);
  padding: 100px 24px;
  position: relative;
  overflow: hidden;
}

.roi-calc::before {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.roi-calc-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.roi-calc-header {
  text-align: center;
  margin-bottom: 64px;
}

.roi-calc-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--warm);
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.2);
  padding: 7px 18px;
  border-radius: 100px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.roi-calc-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.roi-calc-header p {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

.roi-calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

/* Inputs panel */
.roi-inputs {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.roi-inputs h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 32px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.roi-field {
  margin-bottom: 28px;
}

.roi-field:last-child { margin-bottom: 0; }

.roi-field-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.roi-field-label span {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg);
}

.roi-field-value {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
}

.roi-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 16px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  transition: border-color 0.2s;
  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 d='M1 1l5 5 5-5' stroke='%238a8a9a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.roi-select:focus { border-color: var(--accent); }
.roi-select option { background: var(--bg); color: var(--fg); }

.roi-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
  position: relative;
}

.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 0 3px var(--accent-dim), 0 2px 6px rgba(0,0,0,0.4);
  transition: box-shadow 0.2s;
}

.roi-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px var(--accent-dim), 0 2px 8px rgba(0,0,0,0.5);
}

.roi-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.roi-ltv-input {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}

.roi-ltv-input:focus-within { border-color: var(--accent); }

.roi-ltv-prefix {
  padding: 12px 14px 12px 16px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--bg-alt);
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}

.roi-ltv-number {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  outline: none;
  min-width: 0;
}

/* Results panel */
.roi-results {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.roi-result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}

.roi-result-card.primary {
  background: linear-gradient(135deg, rgba(0,212,170,0.06) 0%, var(--surface) 60%);
  border-color: var(--accent-glow);
}

.roi-result-card.primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.roi-result-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
}

.roi-result-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
  transition: color 0.2s;
}

.roi-result-card:not(.primary) .roi-result-number {
  font-size: 2rem;
  color: var(--fg);
}

.roi-result-sub {
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.roi-result-sub strong { color: var(--fg); }

/* CTA block below results */
.roi-cta-block {
  background: linear-gradient(135deg, rgba(255,107,53,0.08) 0%, var(--surface) 60%);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

.roi-cta-block p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.roi-cta-block p strong { color: var(--fg); }

.roi-cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-warm {
  display: inline-block;
  background: var(--warm);
  color: #fff;
  padding: 13px 28px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  border: none;
  cursor: pointer;
}

.btn-warm:hover { opacity: 0.88; transform: translateY(-1px); }

/* Number count-up animation */
@keyframes roiPulse {
  0% { opacity: 0.6; transform: scale(0.98); }
  100% { opacity: 1; transform: scale(1); }
}

.roi-result-number.updating {
  animation: roiPulse 0.25s ease-out forwards;
}

/* Responsive */
@media (max-width: 900px) {
  .roi-calc-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 480px) {
  .roi-inputs { padding: 28px 24px; }
  .roi-result-card { padding: 24px; }
  .roi-result-number { font-size: 2.2rem; }
  .roi-cta-block { padding: 24px; }
}