:root {
  --color-bg: #F5F7F9;
  --color-activity: #4F86FF;
  --color-balance: #66C8A8;
  --color-overload: #E7A36F;
  --color-text: #2B2F36;
  --color-text-muted: #5A6170;
  --color-white: #FFFFFF;
  --color-border: rgba(43, 47, 54, 0.1);
  --font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.75rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.8;
  --shadow-sm: 0 2px 8px rgba(43, 47, 54, 0.06);
  --shadow-md: 0 4px 20px rgba(43, 47, 54, 0.08);
  --shadow-lg: 0 8px 40px rgba(43, 47, 54, 0.12);
  --shadow-glow-activity: 0 0 30px rgba(79, 134, 255, 0.2);
  --shadow-glow-balance: 0 0 30px rgba(102, 200, 168, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --transition-fast: 0.2s ease;
  --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-breathe: 4s ease-in-out infinite;
  --header-height: 72px;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: var(--color-activity);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-balance);
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-2xl);
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  color: var(--color-text-muted);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 249, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: padding var(--transition-base), box-shadow var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-md);
}

.brand-logo {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  transition: color var(--transition-fast), letter-spacing var(--transition-base);
}

.brand-logo:hover {
  color: var(--color-activity);
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-xs);
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-balance);
  transition: width var(--transition-base), left var(--transition-base);
  border-radius: var(--radius-full);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-text);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
  left: 0;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  cursor: pointer;
  padding: var(--space-xs);
}

main {
  flex: 1;
}

.hero-section {
  padding-block: var(--space-2xl);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(102, 200, 168, 0.15);
  color: var(--color-balance);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  width: fit-content;
  animation: breathe-badge var(--transition-breathe);
}

.hero-title {
  font-size: clamp(2rem, 5vw, var(--font-size-2xl));
}

.hero-text {
  font-size: var(--font-size-md);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.hero-visual {
  position: relative;
}

.hero-visual figure {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: breathe-visual var(--transition-breathe);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: inherit;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-activity);
  color: var(--color-white);
  box-shadow: var(--shadow-glow-activity);
}

.btn-primary:hover {
  background: #3d72e8;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-balance);
  color: var(--color-balance);
  background: rgba(102, 200, 168, 0.08);
}

.content-section {
  padding-block: var(--space-xl);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.section-header p {
  font-size: var(--font-size-md);
}

.section-alt {
  background: rgba(255, 255, 255, 0.6);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  padding: calc(var(--space-lg) + 4px) calc(var(--space-lg) - 4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
}

.card-icon-activity {
  background: rgba(79, 134, 255, 0.12);
  color: var(--color-activity);
}

.card-icon-balance {
  background: rgba(102, 200, 168, 0.12);
  color: var(--color-balance);
}

.card-icon-overload {
  background: rgba(231, 163, 111, 0.12);
  color: var(--color-overload);
}

.state-flow {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.state-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  align-items: start;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: grid-template-columns var(--transition-base), padding var(--transition-base);
}

.state-item:hover {
  padding: calc(var(--space-md) + 4px);
}

.state-indicator {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  margin-top: 6px;
  animation: pulse-dot 3s ease-in-out infinite;
}

.state-indicator-activity {
  background: var(--color-activity);
}

.state-indicator-balance {
  background: var(--color-balance);
  animation-delay: 1s;
}

.state-indicator-overload {
  background: var(--color-overload);
  animation-delay: 2s;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: var(--color-text-muted);
}

.feature-list li i {
  color: var(--color-balance);
  margin-top: 4px;
}

.feature-visual figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.feature-visual figure img {
  width: 100%;
  height: auto;
}

.cta-section {
  padding-block: var(--space-2xl);
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, rgba(79, 134, 255, 0.08), rgba(102, 200, 168, 0.12));
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  border: 1px solid var(--color-border);
}

.page-hero {
  padding-block: var(--space-xl);
  text-align: center;
}

.page-hero-content {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-activity);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.contact-item i {
  color: var(--color-activity);
  font-size: var(--font-size-md);
  margin-top: 2px;
}

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-activity);
  box-shadow: 0 0 0 3px rgba(79, 134, 255, 0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-overload);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.error-message {
  font-size: var(--font-size-xs);
  color: var(--color-overload);
  min-height: 1rem;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.checkbox-group input[type="checkbox"] {
  margin-top: 4px;
  accent-color: var(--color-activity);
}

.checkbox-group label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkbox-group label a {
  text-decoration: underline;
}

.policy-content {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

.policy-content h2 {
  margin-top: var(--space-md);
  font-size: var(--font-size-lg);
}

.policy-content ul {
  list-style: disc;
  padding-left: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.policy-content ul li {
  color: var(--color-text-muted);
}

.policy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  margin-block: var(--space-sm);
}

.policy-table th,
.policy-table td {
  border: 1px solid rgba(102, 200, 168, 0.25);
  padding: var(--space-xs) var(--space-sm);
  text-align: left;
  vertical-align: top;
}

.policy-table th {
  background: rgba(102, 200, 168, 0.12);
  font-weight: 600;
}

.policy-table td {
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .policy-table {
    display: block;
    overflow-x: auto;
  }
}

.policy-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: var(--space-sm) var(--space-md);
  background: rgba(102, 200, 168, 0.1);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-balance);
}

.disclaimer-banner {
  background: rgba(231, 163, 111, 0.1);
  border-top: 1px solid rgba(231, 163, 111, 0.2);
  border-bottom: 1px solid rgba(231, 163, 111, 0.2);
  padding-block: var(--space-md);
}

.disclaimer-banner p {
  font-size: var(--font-size-sm);
  text-align: center;
  max-width: 900px;
  margin-inline: auto;
  color: var(--color-text-muted);
}

.site-footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-xl);
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-xl);
}

.footer-brand {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.footer-text {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer-nav h4 {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-nav a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-balance);
}

.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

.thank-you-section {
  padding-block: var(--space-2xl);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.thank-you-box {
  max-width: 560px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.thank-you-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(102, 200, 168, 0.15);
  color: var(--color-balance);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  animation: breathe-badge var(--transition-breathe);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: 0 -4px 24px rgba(43, 47, 54, 0.12);
  padding: var(--space-md);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.cookie-text {
  flex: 1;
  min-width: 280px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.cookie-text a {
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 1001;
  background: rgba(43, 47, 54, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.cookie-modal.visible {
  opacity: 1;
  visibility: visible;
}

.cookie-modal-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 520px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.cookie-category-info h4 {
  font-size: var(--font-size-sm);
}

.cookie-category-info p {
  font-size: var(--font-size-xs);
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toggle-slider::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-balance);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-slider {
  opacity: 0.6;
  cursor: not-allowed;
}

.insight-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.insight-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.insight-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-glow-balance);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  counter-reset: step;
}

.process-step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: padding var(--transition-base);
}

.process-step:hover {
  padding: calc(var(--space-md) + 6px) var(--space-md);
}

.step-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79, 134, 255, 0.12);
  color: var(--color-activity);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

@keyframes breathe-badge {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.03); opacity: 0.9; }
}

@keyframes breathe-visual {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.01); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

@media (max-width: 992px) {
  .hero-grid,
  .feature-row,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse {
    direction: ltr;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav a {
    width: 100%;
    padding: var(--space-sm);
  }

  .card-grid,
  .insight-cards {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  h1 {
    font-size: var(--font-size-xl);
  }

  .hero-section {
    padding-block: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .cookie-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-actions {
    flex-direction: column;
  }

  .cookie-actions .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .contact-form {
    padding: var(--space-md);
  }
}