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

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

:root {
  --color-primary: #2c3e50;
  --color-primary-light: #34495e;
  --color-secondary: #7f8c8d;
  --color-accent: #3498db;
  --color-accent-hover: #2980b9;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-dark: #1a252f;
  --color-text: #2c3e50;
  --color-text-light: #7f8c8d;
  --color-text-inverse: #ffffff;
  --color-border: #e0e0e0;
  --color-border-light: #f0f0f0;
  --color-success: #27ae60;
  --color-error: #e74c3c;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --header-height: 72px;
  --transition: 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 600;
  color: var(--color-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

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

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

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

.header-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.header-logo span {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  margin-top: var(--header-height);
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary) 100%);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url('') center/cover no-repeat;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  color: var(--color-text-inverse);
}

.hero-content h1 {
  color: var(--color-text-inverse);
  font-size: 3rem;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-content p {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-text-inverse);
  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, 0.7);
  color: var(--color-text-inverse);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.section {
  padding: 80px 0;
}

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  color: var(--color-text-light);
  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-md);
  padding: 36px 28px;
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(52, 152, 219, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

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

.how-it-works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  counter-reset: step;
}

.step-item {
  text-align: center;
  counter-increment: step;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step-item h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.step-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

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

.cta-section h2 {
  color: var(--color-text-inverse);
  margin-bottom: 16px;
}

.cta-section p {
  opacity: 0.85;
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
}

.page-header {
  margin-top: var(--header-height);
  padding: 60px 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: 2.25rem;
  margin-bottom: 8px;
}

.page-header p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

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

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

.breadcrumb .separator {
  font-size: 0.75rem;
}

.content-section {
  padding: 60px 0;
}

.content-section .container {
  max-width: 840px;
}

.content-section h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
}

.content-section h2:first-child {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}

.content-section p {
  margin-bottom: 16px;
  color: var(--color-text);
}

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

.content-section ul {
  list-style: disc;
}

.content-section ol {
  list-style: decimal;
}

.content-section li {
  margin-bottom: 8px;
  color: var(--color-text);
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 60px;
}

.about-intro img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.about-intro h2 {
  margin-bottom: 16px;
  border: none;
  padding: 0;
  margin-top: 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.value-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}

.value-card i {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: block;
}

.value-card h4 {
  margin-bottom: 8px;
}

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

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

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.contact-card i {
  font-size: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-card p,
.contact-card a {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

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

.contact-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
}

.contact-form h3 {
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  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,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

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

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.form-submit:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.form-message {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-top: 16px;
  font-size: 0.9rem;
  display: none;
}

.form-message.success {
  background: rgba(39, 174, 96, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(39, 174, 96, 0.2);
  display: block;
}

.form-message.error {
  background: rgba(231, 76, 60, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(231, 76, 60, 0.2);
  display: block;
}

.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  opacity: 0.7;
  font-size: 0.9rem;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--color-text-inverse);
  font-size: 0.95rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color var(--transition);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item i {
  color: var(--color-accent);
  margin-top: 3px;
  flex-shrink: 0;
}

.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: 0.85rem;
  opacity: 0.6;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  padding: 20px 0;
  z-index: 10000;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

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

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

.cookie-text {
  flex: 1;
  font-size: 0.9rem;
  color: var(--color-text);
}

.cookie-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

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

.cookie-btn {
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.cookie-accept {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

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

.cookie-decline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.cookie-decline:hover {
  background: var(--color-bg-alt);
}

.last-updated {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.highlight-box {
  background: rgba(52, 152, 219, 0.06);
  border-left: 4px solid var(--color-accent);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
}

.highlight-box p {
  margin: 0;
  color: var(--color-text);
}

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

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

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

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

  h1 { font-size: 2rem; }
  .hero-content h1 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links a {
    padding: 16px 24px;
    width: 100%;
    border-bottom: 1px solid var(--color-border-light);
  }

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

  .mobile-toggle {
    display: flex;
  }

  .features-grid,
  .how-it-works,
  .values-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 480px;
  }

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

  .section {
    padding: 56px 0;
  }

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

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

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

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

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
}