:root {
  --primary: #16a34a;
  --primary-light: #22c55e;
  --primary-dark: #15803d;
  --primary-soft: #f0fdf4;
  --primary-border: #bbf7d0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg-page: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --border-dark: #334155;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-main);
  line-height: 1.6;
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -1.2px;
  color: var(--text-main);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.logo span {
  color: var(--primary);
}

.logo small {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  color: #334155;
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-wa-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #166534;
  background: #dcfce7;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid #bbf7d0;
  transition: var(--transition);
}

.nav-wa-link:hover {
  background: #bbf7d0;
  transform: translateY(-1px);
}

.navbtn {
  background: var(--text-main);
  color: #fff;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.navbtn:hover {
  background: #1e293b;
  transform: translateY(-1px);
}

/* Burger menu for mobile */
.burger {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
  position: relative;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

.burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
  padding: 70px 0 65px;
  background: radial-gradient(circle at 85% 25%, #dcfce7 0%, rgba(220, 252, 231, 0.3) 30%, transparent 65%), #fafafa;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 50px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}

.eyebrow .badge-lang {
  background: #dcfce7;
  color: #15803d;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
}

.hero h1 {
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.08;
  letter-spacing: -2px;
  margin: 0 0 20px;
  font-weight: 900;
  color: var(--text-main);
}

.hero h1 span {
  color: var(--primary);
}

.lead {
  font-size: 17.5px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 580px;
}

.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 26px 0;
}

.btn {
  display: inline-flex;
  border: 0;
  cursor: pointer;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  font-size: 14.5px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  user-select: none;
}

.btn:active {
  transform: scale(0.98);
}

.green {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
}

.green:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.45);
  transform: translateY(-2px);
}

.light {
  background: #fff;
  color: var(--text-main);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.light:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  transform: translateY(-2px);
}

.white {
  background: #fff;
  color: var(--text-main);
  box-shadow: var(--shadow-md);
}

.white:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
}

.trust {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.8);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* Diagnostic Preview Widget in Hero */
.diagnostic-preview {
  background: var(--bg-dark);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: 0 25px 60px -10px rgba(15, 23, 42, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.08);
  position: relative;
}

.preview-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  margin-bottom: 20px;
}

.preview-top b {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-top b::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-light);
  box-shadow: 0 0 8px var(--primary-light);
}

.preview-badge {
  color: #94a3b8;
  font-size: 11px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.07);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.preview-question {
  font-size: 21px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  color: #f8fafc;
}

.preview-hint {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.preview-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.preview-opt {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: #e2e8f0;
  padding: 13px 14px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.preview-opt::after {
  content: "→";
  font-size: 13px;
  opacity: 0;
  transform: translateX(-4px);
  transition: var(--transition);
}

.preview-opt:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  transform: translateY(-1px);
}

.preview-opt:hover::after {
  opacity: 0.6;
  transform: translateX(0);
}

.preview-opt.active {
  background: rgba(34, 197, 94, 0.14);
  border-color: var(--primary-light);
  color: #fff;
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.2);
}

.preview-opt.active::after {
  content: "✓";
  opacity: 1;
  color: var(--primary-light);
  transform: translateX(0);
}

.preview-result {
  margin-top: 20px;
  background: linear-gradient(145deg, #16a34a, #15803d);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 10px 25px rgba(22, 163, 74, 0.35);
  transition: var(--transition);
}

.preview-result small {
  display: block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: #bbf7d0;
  margin-bottom: 2px;
}

.preview-result strong {
  display: block;
  font-size: 26px;
  font-weight: 900;
  color: #fff;
  margin: 4px 0 6px;
  letter-spacing: -0.5px;
}

.preview-result p {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.5;
  color: #e2e8f0;
}

.preview-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 11px 16px;
  background: #ffffff;
  color: #0f172a;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 750;
  text-decoration: none;
  transition: var(--transition);
}

.preview-cta:hover {
  background: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Sections General */
.section {
  padding: 85px 0;
}

.head {
  max-width: 760px;
  margin-bottom: 44px;
}

.head h2,
.value h2,
.intro h2 {
  font-size: clamp(32px, 3.8vw, 48px);
  line-height: 1.1;
  letter-spacing: -1.6px;
  margin: 0 0 14px;
  font-weight: 800;
  color: var(--text-main);
}

.head p,
.center {
  color: var(--text-muted);
  font-size: 17px;
}

.center {
  text-align: center;
  margin-top: 28px;
}

/* Value Section */
.value {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 70px;
  align-items: center;
}

.value-text {
  color: #475569;
  font-size: 17px;
  line-height: 1.7;
}

.value-text p:first-child {
  margin-top: 0;
}

/* ==========================================================================
   NEW: Live WhatsApp Interactive Mockup Section
   ========================================================================== */
.demo-section {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.demo-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  align-items: center;
}

.demo-tabs {
  display: inline-flex;
  gap: 8px;
  background: #f1f5f9;
  padding: 4px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.demo-tab-btn {
  background: transparent;
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.demo-tab-btn.active {
  background: #fff;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.demo-feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.demo-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.demo-feature-item i {
  background: var(--primary-soft);
  color: var(--primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  border: 1px solid var(--primary-border);
}

.demo-feature-item b {
  display: block;
  font-size: 15.5px;
  color: var(--text-main);
  margin-bottom: 3px;
}

.demo-feature-item p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}

/* WhatsApp Phone Frame */
.wa-mockup {
  background: #efeae2;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.18), 0 0 0 1px #d1d7db;
  max-width: 480px;
  margin: 0 auto;
}

.wa-header {
  background: #075e54;
  color: #fff;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.wa-avatar {
  width: 40px;
  height: 40px;
  background: #128c7e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.wa-info b {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.wa-info span {
  font-size: 11.5px;
  color: #a7f3d0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.wa-info span::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
}

.wa-body {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-image: radial-gradient(#cbd5e1 0.75px, transparent 0.75px);
  background-size: 14px 14px;
  min-height: 380px;
}

.wa-bubble {
  max-width: 82%;
  padding: 10px 13px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.45;
  position: relative;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.wa-bubble.client {
  background: #fff;
  color: #111;
  align-self: flex-start;
  border-top-left-radius: 2px;
}

.wa-bubble.bot {
  background: #dcf8c6;
  color: #111;
  align-self: flex-end;
  border-top-right-radius: 2px;
}

.wa-time {
  display: block;
  text-align: right;
  font-size: 10px;
  color: #888;
  margin-top: 4px;
}

.wa-crm-notice {
  align-self: center;
  background: rgba(22, 163, 74, 0.12);
  border: 1px dashed var(--primary);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 20px;
  margin: 6px 0;
  text-align: center;
}

/* Solutions Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cards article {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  min-height: 235px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.cards article:hover {
  border-color: var(--primary-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cards i {
  color: var(--primary);
  font-style: normal;
  font-weight: 900;
  font-size: 13px;
  background: var(--primary-soft);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary-border);
}

.cards h3 {
  margin: 20px 0 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.cards p {
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.55;
  margin: 0;
  flex-grow: 1;
}

/* ==========================================================================
   NEW: Metrics & Stats Block
   ========================================================================== */
.metrics-section {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.metric-card:hover {
  border-color: var(--primary-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.metric-number {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -1.5px;
  margin-bottom: 10px;
}

.metric-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.metric-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   NEW: Case Studies Section (Social Proof)
   ========================================================================== */
.cases-section {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.case-card:hover {
  border-color: var(--primary-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.case-niche {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: #dcfce7;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.case-card h3 {
  font-size: 21px;
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.25;
}

.case-comparison {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 13.5px;
}

.case-before,
.case-after {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

.case-before {
  background: #fef2f2;
  border-left: 3px solid #ef4444;
  color: #7f1d1d;
}

.case-after {
  background: #f0fdf4;
  border-left: 3px solid #22c55e;
  color: #14532d;
}

.case-result-badge {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.case-result-badge strong {
  font-size: 22px;
  font-weight: 900;
  color: var(--primary);
}

.case-result-badge span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

/* How It Works (Dark Section) */
.dark {
  background: var(--bg-dark);
  color: #fff;
}

.dark .head h2 {
  color: #fff;
}

.dark .head p {
  color: #94a3b8;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.steps div {
  border-top: 2px solid var(--border-dark);
  padding-top: 22px;
  transition: var(--transition);
}

.steps div:hover {
  border-color: var(--primary-light);
}

.steps b {
  color: var(--primary-light);
  font-size: 18px;
  font-weight: 900;
  display: block;
  margin-bottom: 8px;
}

.steps h3 {
  font-size: 20px;
  margin: 0 0 10px;
  color: #fff;
  font-weight: 800;
}

.steps p {
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* Pricing Section */
.pricing {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: stretch;
}

.pricing article {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.pricing article:hover {
  border-color: #cbd5e1;
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing .featured {
  border: 2px solid var(--primary);
  box-shadow: 0 15px 40px rgba(22, 163, 74, 0.15);
  background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
}

.pricing .featured:hover {
  box-shadow: 0 20px 50px rgba(22, 163, 74, 0.22);
  transform: translateY(-5px);
}

.pricing label {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 800;
  letter-spacing: 0.8px;
}

.pricing h3 {
  font-size: 22px;
  margin: 0;
  font-weight: 800;
}

.pricing strong {
  display: block;
  font-size: 30px;
  font-weight: 900;
  margin-top: 16px;
  letter-spacing: -1px;
}

.pricing p.sub {
  color: var(--text-muted);
  font-size: 13px;
  margin: 2px 0 12px;
}

.pricing em {
  font-style: normal;
  font-weight: 800;
  font-size: 15px;
  color: var(--primary-dark);
  display: block;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.pricing ul {
  padding-left: 20px;
  color: #475569;
  font-size: 13.5px;
  line-height: 1.7;
  margin: 0 0 24px;
  flex-grow: 1;
}

.tariff-btn {
  width: 100%;
  font-size: 13.5px;
  padding: 12px 14px;
}

/* Quiz Section */
.quizbg {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.quizgrid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  align-items: start;
}

.intro h2 {
  font-size: clamp(30px, 3.4vw, 42px);
  margin-bottom: 16px;
}

.intro p {
  color: var(--text-muted);
  font-size: 16.5px;
}

.mini-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.mini-list span {
  background: #fff;
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* Form */
.form {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.quiz-progress-wrap {
  margin-bottom: 24px;
}

.quiz-progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
}

.quiz-progress-bar {
  width: 100%;
  height: 6px;
  background: #f1f5f9;
  border-radius: 10px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  width: 14%;
  background: linear-gradient(90deg, #22c55e, #16a34a);
  border-radius: 10px;
  transition: width 0.3s ease;
}

.q {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.q.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.q h3 {
  margin: 0 0 16px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.q input[type="text"],
.q input[type="tel"],
.q select,
.q textarea {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  font: inherit;
  font-size: 15px;
  margin-bottom: 14px;
  background: #fff;
  color: var(--text-main);
  transition: var(--transition);
}

.q input:focus,
.q select:focus,
.q textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.16);
}

.q textarea {
  min-height: 125px;
  resize: vertical;
}

.checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}

.checks label {
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 13px 15px;
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  user-select: none;
  background: #fff;
}

.checks label:hover {
  border-color: #94a3b8;
  background: #f8fafc;
}

.checks label:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-dark);
  box-shadow: 0 2px 8px rgba(22, 163, 74, 0.12);
}

.checks input {
  width: 17px;
  height: 17px;
  accent-color: var(--primary);
  margin: 0;
  cursor: pointer;
}

.form-error {
  display: none;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  margin: 14px 0;
  align-items: center;
  gap: 8px;
}

.form-error.visible {
  display: flex;
  animation: shake 0.35s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.formnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.formnav span {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}

/* Quiz Result Presentation */
.result {
  margin-top: 0;
  padding: 28px;
  background: #f0fdf4;
  border: 2px solid var(--primary-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  animation: fadeIn 0.4s ease-out;
}

.result h3 {
  font-size: 32px;
  font-weight: 900;
  margin: 6px 0 10px;
  letter-spacing: -1px;
  color: var(--text-main);
}

.result-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 1.2px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: #dcfce7;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 6px;
}

.result-desc {
  font-size: 15.5px;
  color: #334155;
  margin-bottom: 20px;
  line-height: 1.6;
}

.result-price {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  align-items: baseline;
  background: #fff;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-border);
  margin: 18px 0;
}

.result-price span {
  font-weight: 900;
  font-size: 20px;
  color: var(--primary-dark);
}

.result-price small {
  color: var(--text-muted);
  font-size: 13px;
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 22px;
}

.btn-wa {
  font-size: 15.5px;
  padding: 16px 22px;
  background: #16a34a;
}

.btn-wa:hover {
  background: #15803d;
}

.btn-actions-row {
  display: flex;
  gap: 10px;
}

.btn-actions-row .btn {
  flex: 1;
  font-size: 13px;
  padding: 11px 14px;
}

/* FAQ Section */
.narrow {
  max-width: 840px;
}

.faq details {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  transition: var(--transition);
}

.faq summary {
  cursor: pointer;
  font-weight: 750;
  font-size: 18px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--primary);
  line-height: 1;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq p {
  color: #475569;
  font-size: 15.5px;
  line-height: 1.65;
  margin: 14px 0 0;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #fff;
  padding: 70px 0;
}

.cta .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.cta h2 {
  font-size: clamp(32px, 3.6vw, 44px);
  line-height: 1.1;
  max-width: 680px;
  margin: 0 0 10px;
  font-weight: 900;
  letter-spacing: -1.2px;
}

.cta p {
  opacity: 0.9;
  font-size: 17px;
  margin: 0;
}

.cta .eyebrow {
  color: #dcfce7;
}

/* Footer */
footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 40px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--text-main);
}

.footer-col p {
  color: var(--text-muted);
  font-size: 13.5px;
  margin: 0 0 8px;
  line-height: 1.6;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  font-size: 13.5px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   NEW: Floating WhatsApp Quick Contact Button
   ========================================================================== */
.floating-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background: #25d366;
  color: #fff;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  text-decoration: none;
  transition: var(--transition);
}

.floating-wa:hover {
  background: #20ba5a;
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.6);
}

.floating-wa svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.floating-wa-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  background: #ef4444;
  border-radius: 50%;
  border: 2px solid #fff;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

/* Mobile responsive styles */
@media (max-width: 960px) {
  .nav-links {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    display: none;
    gap: 18px;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .burger {
    display: flex;
  }

  .grid,
  .quizgrid,
  .value-grid,
  .demo-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cards,
  .cases-grid,
  .pricing,
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .cta .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .container {
    width: calc(100% - 30px);
  }

  .nav {
    height: 64px;
  }

  .nav-links {
    top: 64px;
  }

  .nav-wa-link {
    display: none;
  }

  .hero {
    padding: 40px 0 50px;
  }

  .hero h1 {
    font-size: 34px;
    letter-spacing: -1.5px;
  }

  .actions .btn {
    width: 100%;
  }

  .cards,
  .cases-grid,
  .pricing,
  .steps,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .preview-options,
  .checks {
    grid-template-columns: 1fr;
  }

  .form {
    padding: 22px 18px;
  }

  .mini-list {
    grid-template-columns: 1fr;
  }

  .cta h2 {
    font-size: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .btn-actions-row {
    flex-direction: column;
  }
}

/* ==========================================================================
   AI Chat Widget on Website
   ========================================================================== */
.chat-launcher {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-launcher-btn {
  background: var(--text-main);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 10px 18px 10px 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.4);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
}

.chat-launcher-btn:hover {
  background: #1e293b;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -5px rgba(15, 23, 42, 0.5);
}

.chat-launcher-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  position: relative;
}

.chat-launcher-dot {
  position: absolute;
  top: 1px;
  right: 1px;
  width: 9px;
  height: 9px;
  background: var(--primary-light);
  border: 2px solid var(--text-main);
  border-radius: 50%;
}

.chat-window {
  position: fixed;
  bottom: 92px;
  right: 24px;
  width: 385px;
  height: 560px;
  max-height: calc(100vh - 120px);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1001;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.96);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.chat-header {
  background: #0f172a;
  color: #fff;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.chat-header-avatar {
  width: 38px;
  height: 38px;
  background: #1e293b;
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.chat-header-info b {
  display: block;
  font-size: 14px;
  font-weight: 700;
}

.chat-header-info span {
  font-size: 11px;
  color: #4ade80;
  display: flex;
  align-items: center;
  gap: 4px;
}

.chat-header-info span::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
}

.chat-header-close {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: var(--transition);
}

.chat-header-close:hover {
  color: #fff;
}

.chat-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #f8fafc;
}

.chat-bubble {
  max-width: 86%;
  padding: 11px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.55;
  animation: fadeIn 0.2s ease-out;
  word-break: break-word;
}

.chat-bubble.bot {
  align-self: flex-start;
  background: #fff;
  color: #1e293b;
  border: 1px solid var(--border);
  border-top-left-radius: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.chat-bubble.user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-top-right-radius: 3px;
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.25);
}

.chat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.chat-chip {
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 16px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #334155;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.chat-chip:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-dark);
}

.chat-typing {
  align-self: flex-start;
  background: #fff;
  padding: 8px 14px;
  border-radius: 14px;
  border-top-left-radius: 3px;
  border: 1px solid var(--border);
  display: none;
  align-items: center;
  gap: 4px;
}

.chat-typing.active {
  display: inline-flex;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  background: #94a3b8;
  border-radius: 50%;
  animation: typing 1.2s infinite ease-in-out;
}

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

@keyframes typing {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(-4px); opacity: 1; }
}

.chat-footer {
  padding: 12px 14px;
  background: #fff;
  border-top: 1px solid var(--border);
}

.chat-input-row {
  display: flex;
  gap: 8px;
}

.chat-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font: inherit;
  font-size: 13.5px;
  background: #f8fafc;
  outline: none;
  transition: var(--transition);
}

.chat-input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.15);
}

.chat-send-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
}

.chat-send-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.chat-disclaimer {
  font-size: 10.5px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 6px;
}

@media (max-width: 600px) {
  .chat-window {
    right: 12px;
    left: 12px;
    width: auto;
    bottom: 84px;
    height: 72vh;
  }
}

@media (max-width: 480px) {
  .chat-launcher {
    bottom: 16px;
    right: 16px;
    gap: 8px;
  }
  .chat-launcher-btn {
    padding: 8px 14px 8px 10px;
    font-size: 12.5px;
  }
  .floating-wa {
    width: 48px;
    height: 48px;
  }
  .floating-wa svg {
    width: 26px;
    height: 26px;
  }
}