:root {
  color-scheme: light dark;

  /* Colors - Modern, professional palette */
  --gray-50: #fafbfc;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --blue-50: #eff6ff;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;

  --purple-500: #8b5cf6;
  --purple-600: #7c3aed;

  --green-500: #10b981;
  --green-600: #059669;

  /* Semantic colors */
  --color-bg: #ffffff;
  --color-bg-subtle: var(--gray-50);
  --color-bg-muted: var(--gray-100);
  --color-surface: #ffffff;
  --color-border: var(--gray-200);
  --color-border-strong: var(--gray-300);

  --color-text: var(--gray-900);
  --color-text-secondary: var(--gray-600);
  --color-text-tertiary: var(--gray-500);

  --color-primary: var(--blue-600);
  --color-primary-hover: var(--blue-700);
  --color-accent: var(--purple-500);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Spacing & Layout */
  --max-width: 1400px;
  --max-width-narrow: 1200px;
  --max-width-text: 800px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: "Inter", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: var(--font-weight-normal);
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

.site-shell {
  overflow: hidden;
  position: relative;
  background: var(--color-bg);
}

/* Navigation */
.nav {
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  height: 72px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(24px, 5vw, 80px);
  position: fixed;
  right: 0;
  top: 0;
  transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  z-index: 1000;
}

.nav.is-elevated {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border-strong);
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  transition: opacity var(--transition-base);
}

.brand:hover {
  opacity: 0.8;
}

.brand-icon {
  width: 36px;
  height: 36px;
  color: #ffffff;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.02em;
}

.brand-text small {
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  line-height: 1.2;
  letter-spacing: 0;
}

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

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  background: transparent;
  border: 0;
  cursor: pointer;
  display: none;
  height: 40px;
  padding: 8px;
  position: relative;
  width: 40px;
}

.nav-toggle span {
  background: var(--color-text);
  display: block;
  height: 2px;
  position: absolute;
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base);
  width: 20px;
  left: 10px;
}

.nav-toggle span:first-child {
  top: 14px;
}

.nav-toggle span:nth-child(2) {
  top: 19px;
}

.nav-toggle span:last-child {
  top: 24px;
}

.nav-open .nav-toggle span:first-child {
  top: 19px;
  transform: rotate(45deg);
}

.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-toggle span:last-child {
  top: 19px;
  transform: rotate(-45deg);
}

/* Sections & Layout */
.section {
  padding: clamp(80px, 10vw, 120px) 0;
  position: relative;
}

.section-inner {
  margin: 0 auto;
  max-width: var(--max-width);
  padding: 0 clamp(24px, 5vw, 80px);
  position: relative;
  width: 100%;
}

.section-header {
  margin-bottom: clamp(48px, 8vw, 72px);
}

.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  max-width: 900px;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 20px;
}

.section-description {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 800px;
}

.section-header.centered .section-description {
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 0 50px;
  position: relative;
  background: linear-gradient(180deg, var(--gray-50) 0%, #ffffff 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--blue-500) 0%, transparent 70%);
  top: -10%;
  right: 10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--purple-500) 0%, transparent 70%);
  bottom: 10%;
  left: -5%;
  animation-delay: 5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--blue-600) 0%, transparent 70%);
  top: 40%;
  left: 40%;
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.hero-badge svg {
  color: var(--color-primary);
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 20px;
}

.title-line-1 {
  display: block;
  font-size: clamp(28px, 5vw, 48px);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--purple-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description strong {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.hide-mobile {
  display: inline;
}

.hero-cta-group {
  margin-bottom: 32px;
}

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

.hero-commitment {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.15);
}

.hero-commitment svg {
  color: var(--green-600);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: 40px;
  padding: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 100%;
}

.stat-item {
  text-align: center;
  position: relative;
  padding: 32px 20px;
  border-right: 1px solid var(--color-border);
}

.stat-item:last-child {
  border-right: none;
}

.stat-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.stat-number {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: var(--font-weight-extrabold);
  line-height: 1;
  color: var(--color-primary);
}

.stat-unit {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.stat-label-inline {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  margin-left: 4px;
}

.stat-label {
  display: block;
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin: 0 auto;
}

.stat-divider {
  display: none;
}

.hero-social-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 100%;
  margin: 0 auto;
}

.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 24px 20px;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--gray-50) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.proof-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500) 0%, var(--purple-500) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.proof-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.proof-item:hover::before {
  opacity: 1;
}

.proof-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-500) 0%, var(--purple-600) 100%);
  border-radius: var(--radius-lg);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.proof-icon svg {
  width: 28px;
  height: 28px;
}

.proof-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.proof-text strong {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1.3;
}

.proof-text span {
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-700) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-text-tertiary);
}

.btn-large {
  padding: 16px 32px;
  font-size: 17px;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-tertiary);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}


/* Trust Bar */
.trust-bar {
  padding: 24px 0;
  background: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-label {
  text-align: center;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-tertiary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.trust-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-tags span {
  padding: 6px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

/* Problem Section */
.problem-section {
  background: var(--color-bg);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 1300px;
  margin: 0 auto;
}

.problem-card {
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-strong);
}

.problem-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--purple-500) 0%, var(--purple-600) 100%);
  background: var(--blue-50);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  margin-bottom: 24px;
}

.problem-card h3 {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 16px;
}

.problem-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.problem-card p strong {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.problem-metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.metric-value {
  font-size: 28px;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.metric-label {
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
}

/* Solution Section */
.solution-section {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--gray-50) 100%);
}

.solution-flow {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 56px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.flow-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
  padding: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
}

.flow-step:hover {
  box-shadow: var(--shadow-xl);
  transform: translateX(8px);
}

.step-number {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--purple-600) 100%);
  color: #ffffff;
  font-size: 32px;
  font-weight: var(--font-weight-extrabold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.step-content h3 {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 12px;
}

.step-content > p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.step-deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.step-deliverables li {
  padding: 6px 14px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.flow-connector {
  width: 2px;
  height: 24px;
  background: linear-gradient(180deg, var(--color-border) 0%, transparent 100%);
  margin: 0 auto 0 40px;
}

.solution-guarantee {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: center;
  padding: 40px;
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--gray-50) 100%);
  border: 2px solid var(--blue-500);
  border-radius: var(--radius-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.guarantee-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-600);
}

.guarantee-content h3 {
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 8px;
}

.guarantee-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Cases Section */
.cases-section {
  background: var(--color-bg-subtle);
}

.case-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.case-item {
  padding: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
}

.case-item:hover {
  box-shadow: var(--shadow-2xl);
  transform: translateY(-4px);
}

.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.case-tag {
  padding: 6px 14px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.case-impact {
  text-align: right;
}

.impact-value {
  display: block;
  font-size: 32px;
  font-weight: var(--font-weight-extrabold);
  color: var(--green-600);
  line-height: 1;
  margin-bottom: 4px;
}

.impact-label {
  display: block;
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
}

.case-title {
  font-size: 26px;
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 24px;
}

.case-problem,
.case-solution {
  margin-bottom: 24px;
}

.case-problem strong,
.case-solution strong {
  display: block;
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-problem p,
.case-solution p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

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

.metric-num {
  display: block;
  font-size: 36px;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-desc {
  display: block;
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  line-height: 1.5;
}


/* Process Section */
.process-section {
  background: var(--color-bg);
}

.process-timeline {
  max-width: 1000px;
  margin: 0 auto 56px;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-border) 0%, var(--color-border) 100%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: relative;
  z-index: 1;
}

.marker-dot {
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border: 4px solid var(--color-surface);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--color-border);
  margin-left: 30px;
}

.marker-line {
  width: 2px;
  height: 100%;
  background: transparent;
  margin: 8px 0 0 39px;
}

.timeline-content {
  padding: 24px 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.timeline-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--blue-50);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-content h3 {
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 12px;
}

.timeline-content > p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.timeline-output {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.timeline-output strong {
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.timeline-output span {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.process-cta {
  text-align: center;
  padding: 48px;
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--gray-50) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.process-cta p {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: 24px;
}

/* Contact Section */
.contact-section {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--color-bg) 100%);
  padding: clamp(80px, 10vw, 120px) 0 clamp(60px, 8vw, 100px);
}

.contact-container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
  max-width: 1300px;
  margin: 0 auto;
}

.contact-info {
  position: sticky;
  top: 120px;
}

.contact-description {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.feature-item svg {
  flex-shrink: 0;
  color: var(--green-600);
}

.contact-trust {
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.trust-note {
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 12px;
}

.trust-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.trust-list li {
  font-size: 14px;
  color: var(--color-text-secondary);
  padding-left: 20px;
  position: relative;
}

.trust-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green-600);
  font-weight: var(--font-weight-bold);
}

.contact-form {
  padding: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.trap-field {
  border: 0;
  height: 1px;
  left: -10000px;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  position: absolute;
  top: auto;
  width: 1px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.field-label {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.field-label em {
  color: var(--color-primary);
  font-style: normal;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 12px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--color-text);
  transition: all var(--transition-base);
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-text-tertiary);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.contact-form select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.contact-form .btn[type="submit"] {
  margin-top: 24px;
  width: 100%;
}

.contact-form .btn[disabled] {
  cursor: not-allowed;
}

.form-status {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  text-align: center;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-status:not(:empty) {
  background: var(--blue-50);
  color: var(--color-primary);
  border: 1px solid var(--blue-500);
}

.form-status.success:not(:empty) {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  border-color: var(--green-600);
  color: #065f46;
}

.form-status.error:not(:empty) {
  background: #fee2e2;
  border-color: #dc2626;
  color: #991b1b;
}

.form-privacy {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-text-tertiary);
  text-align: center;
  line-height: 1.5;
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 64px 0 32px;
  border-top: 1px solid var(--gray-800);
}

.footer-content {
  display: grid;
  gap: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand .brand-icon {
  width: 32px;
  height: 32px;
}

.footer-brand-text strong {
  display: block;
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  line-height: 1;
  margin-bottom: 4px;
}

.footer-brand-text span {
  display: block;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  color: var(--gray-400);
}

.footer-description p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-400);
  margin: 0;
  max-width: 600px;
}

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

.footer-links a {
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  color: var(--gray-400);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--gray-800);
  margin-top: 16px;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--gray-500);
  margin: 0;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.back-to-top:hover {
  color: #ffffff;
  transform: translateY(-2px);
}

.back-to-top svg {
  transition: transform var(--transition-base);
}

.back-to-top:hover svg {
  transform: translateY(-2px);
}


/* Responsive Design */
@media (max-width: 1024px) {
  .hero-stats {
    gap: 32px;
    max-width: 100%;
  }

  .stat-divider {
    height: 50px;
  }

  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .flow-step {
    grid-template-columns: 60px 1fr;
    gap: 24px;
    padding: 32px;
  }

  .step-number {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }

  .case-results {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-info {
    position: static;
  }
}

@media (max-width: 768px) {
  .nav {
    height: 64px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: block;
  }

  .brand-text small {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 20px 32px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition-base), transform var(--transition-base);
    box-shadow: var(--shadow-lg);
  }

  .nav-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    padding: 14px 12px;
    border-bottom: 1px solid var(--color-border);
    font-size: 16px;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 50px;
  }

  .title-line-1 {
    font-size: clamp(24px, 6vw, 32px);
  }

  .hide-mobile {
    display: none;
  }

  .hero-commitment {
    font-size: 13px;
    text-align: center;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .stat-item {
    padding: 24px 16px;
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }

  .stat-item:nth-child(2n) {
    border-right: none;
  }

  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-bottom: none;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-commitment {
    font-size: 13px;
    padding: 10px 20px;
    text-align: center;
  }

  .hero-social-proof {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .proof-item {
    padding: 20px 16px;
  }

  .proof-icon {
    width: 48px;
    height: 48px;
  }

  .proof-icon svg {
    width: 24px;
    height: 24px;
  }

  .proof-text strong {
    font-size: 15px;
  }

  .proof-text span {
    font-size: 13px;
  }

  .section {
    padding: clamp(60px, 8vw, 80px) 0;
  }

  .section-title {
    font-size: clamp(28px, 6vw, 36px);
  }

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

  .flow-step {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px;
  }

  .step-number {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .flow-connector {
    margin: 0 auto;
  }

  .solution-guarantee {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 32px 24px;
  }

  .guarantee-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto;
  }

  .case-results {
    grid-template-columns: 1fr;
  }

  .process-timeline::before {
    left: 10px;
  }

  .timeline-item {
    grid-template-columns: 20px 1fr;
    gap: 20px;
  }

  .marker-dot {
    width: 20px;
    height: 20px;
    margin-left: 0;
    border-width: 3px;
  }

  .marker-line {
    margin-left: 9px;
  }

  .timeline-content {
    padding: 20px;
  }

  .process-cta {
    padding: 32px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .section-inner {
    padding: 0 16px;
  }

  .hero-title {
    font-size: clamp(32px, 8vw, 40px);
  }

  .hero-description {
    font-size: 16px;
  }

  .section-title {
    font-size: 24px;
  }

  .section-description {
    font-size: 15px;
  }

  .case-item {
    padding: 24px 20px;
  }

  .case-title {
    font-size: 20px;
  }

  .metric-num {
    font-size: 28px;
  }
}

/* Accessibility & Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .scroll-indicator {
    animation: none;
  }

  .gradient-orb {
    animation: none;
  }
}

/* Print Styles */
@media print {
  .nav,
  .scroll-indicator,
  .hero-actions,
  .contact-section,
  .footer {
    display: none;
  }

  .hero {
    min-height: auto;
    page-break-after: always;
  }

  .section {
    page-break-inside: avoid;
  }
}