@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #2c3e50;
  --color-primary-light: #34495e;
  --color-secondary: #7f8c8d;
  --color-accent: #27ae60;
  --color-accent-hover: #219a52;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-dark: #ecf0f1;
  --color-text: #2c3e50;
  --color-text-light: #7f8c8d;
  --color-text-inverse: #ffffff;
  --color-border: #dee2e6;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 8px;
  --transition: 0.25s ease;
}

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

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

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-primary);
}

.header-brand .logo-slot {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.header-brand .logo-slot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.header-brand .site-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

nav a {
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

nav a:hover,
nav a.active {
  background: var(--color-bg-alt);
  color: var(--color-accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
}

.menu-toggle i {
  font-size: 1.5rem;
}

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.hero p {
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 32px;
  opacity: 0.9;
  line-height: 1.8;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: background var(--transition), transform var(--transition);
}

.hero-cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.feature-card:hover {
  box-shadow: 0 8px 24px var(--color-shadow);
  transform: translateY(-2px);
}

.feature-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature-card .icon-wrap i {
  font-size: 1.5rem;
  color: var(--color-accent);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  align-items: center;
}

.tips-image {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.tips-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tips-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.tips-content p {
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.8;
}

.tips-list {
  list-style: none;
}

.tips-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--color-text);
  font-size: 0.95rem;
}

.tips-list li i {
  color: var(--color-accent);
  margin-top: 3px;
  flex-shrink: 0;
}

.stats-bar {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 48px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.stat-item .stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  padding: 56px 0;
  text-align: center;
}

.page-header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-header p {
  opacity: 0.85;
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

.content-section {
  padding: 64px 0;
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.content-wrapper h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 40px 0 16px;
  color: var(--color-primary);
}

.content-wrapper h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--color-primary);
}

.content-wrapper p {
  margin-bottom: 16px;
  color: var(--color-text);
  line-height: 1.8;
}

.content-wrapper ul,
.content-wrapper ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.content-wrapper li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.about-team {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.about-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

.about-card .icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border: 2px solid var(--color-border);
}

.about-card .icon-wrap i {
  font-size: 1.5rem;
  color: var(--color-accent);
}

.about-card h3 {
  margin-bottom: 8px;
  color: var(--color-primary);
}

.about-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 40px;
}

.contact-info-list {
  list-style: none;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-info-list li .icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-list li .icon-wrap i {
  font-size: 1.1rem;
  color: var(--color-accent);
}

.contact-info-list li div strong {
  display: block;
  margin-bottom: 2px;
  color: var(--color-primary);
  font-size: 0.9rem;
}

.contact-info-list li div span,
.contact-info-list li div a {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.contact-form {
  background: var(--color-bg-alt);
  padding: 32px;
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn:hover {
  background: var(--color-accent-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

footer {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 48px 0 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .site-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.85rem;
  opacity: 0.7;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  opacity: 0.6;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--color-text-inverse);
  font-size: 0.9rem;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.footer-col ul li a:hover {
  opacity: 1;
  color: var(--color-text-inverse);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  opacity: 0.6;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 20px 0;
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

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

.cookie-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cookie-inner p {
  font-size: 0.9rem;
  opacity: 0.9;
  line-height: 1.6;
}

.cookie-inner p a {
  color: var(--color-text-inverse);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.cookie-buttons .btn-accept {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition);
}

.cookie-buttons .btn-accept:hover {
  background: var(--color-accent-hover);
}

.cookie-buttons .btn-decline {
  background: transparent;
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 10px 24px;
  border-radius: var(--radius);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition);
}

.cookie-buttons .btn-decline:hover {
  border-color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

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

  nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    gap: 0;
  }

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

  nav a {
    width: 100%;
    text-align: left;
    padding: 12px 16px;
  }

  .hero {
    padding: 56px 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section {
    padding: 56px 0;
  }

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

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

  .tips-image {
    order: -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-team {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .cookie-inner {
    flex-direction: column;
    text-align: center;
  }

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

  .page-header h1 {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}