/* ========== Reset & Base ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #1a56db;
  --primary-dark: #1442a8;
  --primary-light: #e8f0fe;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --success: #16a34a;
  --warning: #eab308;
  --danger: #dc2626;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 6px 10px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.12);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

ul { list-style: none; }

img { max-width: 100%; display: block; }

/* ========== Navbar ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.3s;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: var(--white);
  border-radius: 8px;
  font-weight: 900;
  font-size: 1.1rem;
}

.logo-text {
  color: var(--dark);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--gray-600);
  font-weight: 500;
  position: relative;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  background: var(--primary);
  color: var(--white) !important;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26,86,219,0.3);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
  gap: 8px;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,86,219,0.3);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
  border-radius: 10px;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1a365d 100%);
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-gradient {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(26,86,219,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.highlight {
  color: var(--accent);
}

.highlight-light {
  color: #fbbf24;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 40px;
}

.hero-subtitle strong {
  color: var(--white);
  font-weight: 700;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-trust {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  padding: 24px 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  backdrop-filter: blur(8px);
}

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

.trust-number {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--white);
}

.trust-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* ========== Section Common ========== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-tag.light {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-title.light {
  color: var(--white);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--gray-500);
}

.section-desc.light {
  color: rgba(255,255,255,0.6);
}

/* ========== Selling Points ========== */
.selling-points {
  padding: 100px 0;
  background: var(--gray-50);
}

.points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.point-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
}

.point-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.point-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.point-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.point-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.point-highlight {
  padding: 12px 16px;
  background: var(--primary-light);
  border-radius: 8px;
  color: var(--primary-dark);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ========== Products ========== */
.products {
  padding: 100px 0;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  margin-bottom: 32px;
  position: relative;
  transition: all 0.3s;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
}

.product-featured {
  border: 2px solid var(--primary);
}

.product-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 6px 14px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 1;
}

.product-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.product-info {
  padding: 48px 40px;
}

.product-name {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.product-replace {
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.product-desc {
  color: var(--gray-600);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.product-features {
  margin-bottom: 24px;
}

.product-features li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  color: var(--gray-700);
  font-size: 0.9rem;
}

.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.product-result {
  padding: 16px 20px;
  background: #f0fdf4;
  border-radius: 10px;
  color: var(--gray-700);
  font-size: 0.9rem;
  margin-bottom: 24px;
  border-left: 4px solid var(--success);
}

.product-result span {
  font-weight: 700;
  color: var(--success);
}

.product-result strong {
  color: var(--dark);
}

.product-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--gray-50);
}

.product-demo {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.demo-header {
  padding: 14px 20px;
  background: var(--dark);
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
}

.demo-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-100);
}

.demo-status {
  flex-shrink: 0;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.demo-status.done { background: #dcfce7; color: #166534; }
.demo-status.progress { background: #dbeafe; color: #1e40af; }
.demo-status.alert { background: #fef3c7; color: #92400e; }

.demo-text {
  font-size: 0.85rem;
  color: var(--gray-700);
  line-height: 1.5;
}

/* Chat Demo */
.demo-chat {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-msg {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 85%;
}

.chat-msg.customer {
  background: var(--gray-100);
  color: var(--gray-800);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-msg.ai {
  background: var(--primary-light);
  color: var(--primary-dark);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

/* Sales Demo */
.demo-sales {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 24px;
}

.sales-stat {
  text-align: center;
  padding: 16px;
  background: var(--gray-50);
  border-radius: 10px;
}

.sales-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.sales-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ========== Results ========== */
.results {
  padding: 100px 0;
  background: linear-gradient(135deg, #0f172a, #1e3a5f);
}

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

.result-card {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: all 0.3s;
}

.result-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
}

.result-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 8px;
}

.result-label {
  font-size: 1.1rem;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 8px;
}

.result-detail {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* ========== Solutions ========== */
.solutions {
  padding: 100px 0;
  background: var(--gray-50);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.solution-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
  position: relative;
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.solution-featured {
  border: 2px solid var(--primary);
}

.solution-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  padding: 4px 14px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.solution-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.solution-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.solution-pain {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gray-200);
}

.solution-detail {
  flex: 1;
}

.solution-detail h4 {
  font-size: 0.9rem;
  color: var(--gray-500);
  font-weight: 600;
  margin-bottom: 12px;
}

.solution-detail ul {
  margin-bottom: 20px;
}

.solution-detail li {
  padding: 6px 0;
  color: var(--gray-700);
  font-size: 0.9rem;
  padding-left: 8px;
  border-left: 2px solid var(--primary-light);
  margin-bottom: 8px;
}

.solution-result {
  padding: 12px 16px;
  background: #eff6ff;
  border-radius: 8px;
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* ========== Cases ========== */
.cases {
  padding: 100px 0;
}

.cases-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.case-header {
  padding: 24px 40px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 16px;
}

.case-industry {
  padding: 4px 12px;
  background: var(--primary);
  color: var(--white);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
}

.case-company {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
}

.case-body {
  padding: 40px;
}

.case-section {
  margin-bottom: 28px;
}

.case-section h4 {
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 8px;
}

.case-section p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

.case-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.case-before, .case-after {
  padding: 24px;
  border-radius: var(--radius);
}

.case-before {
  background: #fef2f2;
  border: 1px solid #fecaca;
}

.case-after {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}

.case-before h4 { color: var(--danger); }
.case-after h4 { color: var(--success); }

.case-before h4, .case-after h4 {
  margin-bottom: 12px;
  font-size: 1rem;
}

.case-before li, .case-after li {
  padding: 4px 0;
  font-size: 0.9rem;
  color: var(--gray-700);
  padding-left: 16px;
  position: relative;
}

.case-before li::before {
  content: "✗";
  position: absolute;
  left: 0;
  color: var(--danger);
  font-weight: 700;
}

.case-after li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.case-result {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px;
  background: var(--gray-50);
  border-radius: var(--radius);
}

.case-metric {
  text-align: center;
}

.metric-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ========== About ========== */
.about {
  padding: 100px 0;
  background: var(--gray-50);
}

.about-inner {
  max-width: 800px;
  margin: 0 auto;
}

.about-content p {
  color: var(--gray-600);
  font-size: 1.05rem;
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  gap: 48px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
}

.about-stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* ========== CTA Section ========== */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #1a56db, #1e40af);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(249,115,22,0.15), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.cta-urgency {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(249,115,22,0.2);
  border: 1px solid rgba(249,115,22,0.4);
  border-radius: 50px;
  color: #fbbf24;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 24px;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(249,115,22,0.3); }
  50% { box-shadow: 0 0 20px 4px rgba(249,115,22,0.2); }
}

.cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.cta-benefits {
  text-align: left;
  display: inline-block;
  margin-bottom: 36px;
}

.cta-benefits li {
  color: var(--white);
  font-size: 1.05rem;
  padding: 6px 0;
  font-weight: 500;
}

.cta-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.cta-qr {
  flex-shrink: 0;
}

.qr-placeholder {
  width: 180px;
  height: 180px;
  background: var(--white);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.qr-placeholder span {
  font-weight: 700;
  color: var(--gray-700);
  font-size: 1rem;
}

.qr-placeholder small {
  color: var(--gray-500);
  font-size: 0.8rem;
}

.cta-or {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
}

.contact-icon {
  font-size: 1.25rem;
}

.contact-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}

.contact-value {
  color: var(--white);
  font-weight: 600;
  font-size: 1.05rem;
}

.cta-guarantee {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}

/* ========== Floating CTA ========== */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s;
  pointer-events: none;
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.btn-float {
  flex-direction: column;
  padding: 14px 28px;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(26,86,219,0.4);
  gap: 2px;
}

.btn-float small {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.8;
}

/* ========== Footer ========== */
.footer {
  background: var(--dark);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 0.9rem;
  margin-top: 16px;
  line-height: 1.7;
}

.footer-brand .logo-text {
  color: var(--white);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--gray-400);
  font-size: 0.9rem;
  padding: 4px 0;
}

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

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: var(--gray-500);
  font-size: 0.85rem;
}

.footer-bottom a {
  color: var(--gray-400);
}

.footer-bottom a:hover {
  color: var(--white);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.75rem; }
  .section-title { font-size: 2rem; }
  .points-grid { grid-template-columns: 1fr; }
  .product-content { grid-template-columns: 1fr; }
  .product-visual { padding: 32px 24px; }
  .solutions-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .case-compare { grid-template-columns: 1fr; }
  .case-result { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .mobile-toggle { display: flex; }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
  }

  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-trust { flex-wrap: wrap; gap: 20px; padding: 20px; }
  .trust-divider { display: none; }

  .section-title { font-size: 1.75rem; }

  .product-info { padding: 28px 20px; }
  .result-number { font-size: 2.25rem; }
  .results-grid { grid-template-columns: 1fr 1fr; }

  .case-body { padding: 24px; }
  .case-header { padding: 16px 24px; }

  .about-stats { flex-direction: column; gap: 24px; }

  .cta-title { font-size: 1.5rem; }
  .cta-action { flex-direction: column; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.75rem; }
  .results-grid { grid-template-columns: 1fr; }
  .demo-sales { grid-template-columns: 1fr; }
}