/* ===== CSS RESET & VARIABLES ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #fafaf9;
  --bg-card:   #ffffff;
  --bg-subtle: #f4f4f2;
  --fg:        #111110;
  --fg-muted:  #6b6966;
  --fg-subtle: #a09d98;
  --accent:    #e8430a;
  --accent-dark: #c43708;
  --accent-dim:  rgba(232, 67, 10, 0.08);
  --border:    #e8e6e1;
  --border-light: #f0eeeb;
  --shadow:    0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-md:0 4px 24px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Syne', 'Inter', sans-serif;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --max-w: 1140px;
  --container-padding: clamp(20px, 5vw, 48px);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
.section-container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--container-padding); }
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 20px;
}
.section-headline.centered { text-align: center; }
.section-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}
.section-sub.centered { margin: 0 auto 48px; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}
.btn-outline:hover { border-color: var(--fg); transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: color 0.15s;
}
.btn-ghost:hover { color: var(--fg); }

.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: var(--fg); background: var(--bg-subtle); }
.nav-link-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 18px;
}
.nav-link-cta:hover { background: var(--accent-dark) !important; }

/* ===== HERO ===== */
.hero {
  padding: clamp(64px, 10vw, 100px) 0 72px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-light);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-headline em {
  font-style: normal;
  color: var(--accent);
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-sub strong { color: var(--fg); font-weight: 600; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-micro {
  font-size: 0.8125rem;
  color: var(--fg-subtle);
}
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-img {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}
.hero-stats-row {
  max-width: var(--max-w);
  margin: 56px auto 0;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border-light);
  padding-top: 40px;
}
.hero-stat { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.stat-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--fg);
  letter-spacing: -0.03em;
}
.stat-value.accent { color: var(--accent); }
.stat-label { font-size: 0.8125rem; color: var(--fg-subtle); }
.hero-stat-divider {
  width: 1px; height: 44px;
  background: var(--border);
  margin: 0 40px;
}

/* ===== PROBLEM ===== */
.problem {
  padding: clamp(64px, 8vw, 96px) 0;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-light);
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.problem-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.problem-card-icon {
  width: 52px; height: 52px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--fg-muted);
}
.problem-card.problem-call .problem-card-icon { background: var(--accent-dim); color: var(--accent); }
.problem-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 12px;
}
.problem-metric {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--fg-muted);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.problem-metric.accent { color: var(--accent); }
.problem-card p { font-size: 0.9375rem; color: var(--fg-muted); line-height: 1.65; }

/* ===== HOW ===== */
.how {
  padding: clamp(64px, 8vw, 96px) 0;
  border-bottom: 1px solid var(--border-light);
}
.how-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
  margin-bottom: 56px;
}
.how-step {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.step-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8125rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.step-icon {
  width: 48px; height: 48px;
  background: var(--accent-dim);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}
.step-content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 8px;
}
.step-content p { font-size: 0.875rem; color: var(--fg-muted); line-height: 1.6; }
.how-step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-subtle);
  font-size: 1.5rem;
  padding: 0 8px;
  padding-top: 100px;
}

/* Transcript widget */
.how-transcript {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.transcript-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 24px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-light);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg-muted);
}
.transcript-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
.transcript-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.transcript-line {
  font-size: 0.9rem;
  line-height: 1.55;
  padding: 10px 14px;
  border-radius: 10px;
  max-width: 85%;
}
.transcript-line.agent {
  background: var(--accent-dim);
  color: var(--fg);
  border-bottom-left-radius: 4px;
}
.transcript-line.customer {
  background: var(--bg-subtle);
  color: var(--fg-muted);
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.transcript-result {
  margin-top: 8px;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #16a34a;
  background: #f0fdf4;
  border-radius: 8px;
  border: 1px solid #bbf7d0;
}

/* ===== ROI ===== */
.roi {
  padding: clamp(64px, 8vw, 96px) 0;
  background: var(--fg);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.roi-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.roi .section-label { color: #f97316; }
.roi .section-headline { color: #fff; }
.roi .section-sub { color: rgba(255,255,255,0.6); margin-bottom: 0; }
.roi-calc {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.roi-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
}
.roi-row:last-child { border-bottom: none; }
.roi-row strong { color: #fff; font-weight: 600; }
.roi-row strong.accent { color: #f97316; }
.roi-divider { height: 1px; background: rgba(255,255,255,0.12); margin: 8px 0; }
.roi-delta strong { color: #f97316; font-size: 1.0625rem; }
.roi-revenue strong { color: #fff; font-size: 1.25rem; font-weight: 700; }
.roi-cost { font-size: 0.875rem; color: rgba(255,255,255,0.5) !important; }
.roi-margin strong { color: #f97316; font-size: 1.375rem; }

/* ===== TRUST ===== */
.trust {
  padding: clamp(64px, 8vw, 96px) 0;
  border-bottom: 1px solid var(--border-light);
}
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}
.trust-pill {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--fg-muted);
}
.trust-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.trust-stat { padding: 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.trust-stat-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}
.trust-stat-label { font-size: 0.8125rem; color: var(--fg-subtle); line-height: 1.45; }

/* ===== PRICING ===== */
.pricing {
  padding: clamp(64px, 8vw, 96px) 0;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-light);
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  position: relative;
  transition: box-shadow 0.2s, transform 0.2s;
}
.pricing-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-md);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-tier {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--fg);
  margin-bottom: 16px;
}
.pricing-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--fg);
  letter-spacing: -0.04em;
  margin-bottom: 8px;
}
.pricing-period { font-size: 1rem; font-weight: 400; color: var(--fg-muted); }
.pricing-desc { font-size: 0.875rem; color: var(--fg-subtle); margin-bottom: 28px; line-height: 1.5; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.pricing-features svg { flex-shrink: 0; color: var(--accent); margin-top: 2px; }
.pricing-cta { width: 100%; justify-content: center; }
.pricing-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--fg-subtle);
}
.pricing-note a { color: var(--accent); text-decoration: none; font-weight: 500; }
.pricing-note a:hover { text-decoration: underline; }

/* ===== CLOSING ===== */
.closing {
  padding: clamp(80px, 10vw, 120px) 0;
  background: var(--bg);
  text-align: center;
}
.closing-inner { max-width: 680px; margin: 0 auto; }
.closing-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 20px;
  line-height: 1.1;
}
.closing-body {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 40px;
}
.closing-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.closing-note { font-size: 0.875rem; color: var(--fg-subtle); }

/* ===== FOOTER ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-light);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand { display: flex; flex-direction: column; gap: 4px; }
.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--fg);
}
.footer-desc { font-size: 0.8125rem; color: var(--fg-subtle); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.875rem; color: var(--fg-muted); text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: var(--fg); }
.footer-meta { font-size: 0.8rem; color: var(--fg-subtle); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .hero-stats-row { gap: 0; }
  .hero-stat-divider { margin: 0 20px; }
  .problem-grid { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; gap: 16px; }
  .how-step-arrow { display: none; }
  .roi-inner { grid-template-columns: 1fr; gap: 40px; }
  .trust-grid { grid-template-columns: 1fr; gap: 40px; }
  .trust-stats { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto 32px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .hero-stats-row { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hero-stat-divider { display: none; }
  .hero-actions { flex-direction: column; }
  .closing-cta { flex-direction: column; align-items: center; }
  .trust-stats { grid-template-columns: 1fr; }
  .nav-links .nav-link:not(.nav-link-cta) { display: none; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
}