:root {
  --primary: #0A4D68;
  --primary-light: #088395;
  --secondary: #05BFDB;
  --accent: #00DFA2;
  --dark: #1A1A2E;
  --text: #2D3748;
  --text-light: #718096;
  --bg: #F7FAFC;
  --surface: #FFFFFF;
  --border: #E2E8F0;
  --shadow-sm: 0 2px 8px rgba(10, 77, 104, 0.08);
  --shadow-md: 0 4px 16px rgba(10, 77, 104, 0.12);
  --shadow-lg: 0 8px 32px rgba(10, 77, 104, 0.16);
  --shadow-xl: 0 16px 48px rgba(10, 77, 104, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Sora', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 16px;
}

p {
  margin-bottom: 16px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

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

.btn {
  display: inline-block;
  padding: 16px 32px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  font-size: 16px;
  transition: all 0.3s ease;
  text-align: center;
  position: relative;
  overflow: hidden;
  font-family: 'Sora', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--surface);
  box-shadow: var(--shadow-md);
}

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

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

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

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  color: var(--dark);
  box-shadow: var(--shadow-md);
}

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

header {
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 3px solid var(--accent);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.logo img {
  height: 48px;
  width: auto;
}

nav {
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--text);
  padding: 8px 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

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

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg);
  border-radius: 6px;
}

.lang-btn {
  font-weight: 600;
  color: var(--text-light);
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.lang-btn:hover {
  color: var(--primary);
}

.lang-btn.active {
  color: var(--primary);
  background: var(--surface);
}

.lang-divider {
  color: var(--border);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.mobile-menu-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.progress-bar {
  position: absolute;
  bottom: -3px;
  left: 0;
  height: 3px;
  background: var(--secondary);
  width: 0;
  transition: width 0.1s ease;
}

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  width: 90%;
  margin-bottom: 32px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--text-light);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  max-width: 300px;
  margin-left: auto;
}

.hero-visual {
  position: relative;
  height: 600px;
}

.hero-image {
  position: absolute;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-image.main {
  top: 0;
  right: 0;
  width: 85%;
  height: 70%;
  z-index: 2;
}

.hero-image.secondary {
  bottom: 0;
  left: 0;
  width: 70%;
  height: 55%;
  z-index: 1;
  border: 8px solid var(--surface);
}

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

.hero-decoration {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  opacity: 0.1;
  z-index: 0;
}

.hero-decoration.circle-1 {
  top: -100px;
  right: -100px;
}

.hero-decoration.circle-2 {
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
}

section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.section-header h2 {
  margin-bottom: 20px;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-light);
}

.section-divider {
  height: 2px;
  width: 80px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--secondary) 100%);
  margin: 0 auto 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.feature-box {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 40px 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--secondary) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.feature-box:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.feature-box:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--surface);
  border-radius: 12px;
  font-size: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
}

.feature-box h3 {
  margin-bottom: 16px;
  color: var(--primary);
}

.feature-box p {
  color: var(--text-light);
  margin-bottom: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 64px;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--secondary) 100%);
}

.stat-number {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 1.125rem;
  color: var(--text);
  font-weight: 600;
}

.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 64px;
}

.content-image {
  position: relative;
  height: 500px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

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

.content-text h3 {
  margin-bottom: 24px;
}

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

.content-list {
  list-style: none;
  margin: 32px 0;
}

.content-list li {
  padding: 16px 0;
  padding-left: 40px;
  position: relative;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.content-list li:last-child {
  border-bottom: none;
}

.content-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 18px;
}

.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 80px 40px;
  border-radius: 16px;
  text-align: center;
  margin: 100px 0;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.cta-banner h2 {
  color: var(--surface);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255,255,255,0.9);
  font-size: 1.125rem;
  margin-bottom: 32px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-banner .btn {
  position: relative;
  z-index: 1;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.tip-card {
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  position: relative;
}

.tip-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.tip-image {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.tip-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.tip-card:hover .tip-image img {
  transform: scale(1.05);
}

.tip-content {
  padding: 28px;
}

.tip-content h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.tip-content p {
  color: var(--text-light);
  margin-bottom: 0;
  font-size: 0.9375rem;
}

.calculator-section {
  background: var(--surface);
  border-radius: 16px;
  padding: 60px;
  box-shadow: var(--shadow-lg);
  margin-top: 64px;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 40px;
}

.calculator-inputs {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-weight: 600;
  color: var(--text);
  font-size: 0.9375rem;
}

.input-group input,
.input-group select {
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: 'Sora', sans-serif;
  transition: all 0.3s ease;
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 77, 104, 0.1);
}

.calculator-results {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 12px;
  padding: 40px;
  color: var(--surface);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.result-item {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}

.result-item:last-child {
  border-bottom: none;
}

.result-label {
  font-size: 0.9375rem;
  opacity: 0.9;
  margin-bottom: 8px;
}

.result-value {
  font-size: 2rem;
  font-weight: 700;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 64px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--surface);
  border-radius: 12px;
  font-size: 24px;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.contact-details h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.contact-details p {
  color: var(--text-light);
  margin-bottom: 0;
}

.contact-details a {
  color: var(--primary);
  font-weight: 600;
}

.contact-details a:hover {
  color: var(--primary-light);
}

.contact-form {
  background: var(--surface);
  padding: 48px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text);
  font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: 'Sora', sans-serif;
  transition: all 0.3s ease;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 77, 104, 0.1);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.875rem;
  color: var(--text-light);
  cursor: pointer;
}

.checkbox-group a {
  color: var(--primary);
  text-decoration: underline;
}

.iti {
  width: 100%;
}

#phone {
  width: 100%;
}

.thanks-content {
  text-align: center;
  max-width: 600px;
  margin: 100px auto;
  padding: 60px 40px;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
}

.thanks-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  color: var(--surface);
  border-radius: 50%;
  font-size: 48px;
}

.thanks-content h1 {
  margin-bottom: 20px;
}

.thanks-content p {
  color: var(--text-light);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

.legal-content {
  max-width: 900px;
  margin: 60px auto;
  background: var(--surface);
  padding: 60px;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
}

.legal-content h1 {
  margin-bottom: 12px;
}

.legal-date {
  color: var(--text-light);
  font-size: 0.9375rem;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}

.legal-content h2 {
  font-size: 1.75rem;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--primary);
}

.legal-content h3 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

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

.legal-content ul {
  margin: 20px 0;
  padding-left: 24px;
}

.legal-content li {
  color: var(--text-light);
  margin-bottom: 12px;
  line-height: 1.7;
}

footer {
  background: var(--dark);
  color: rgba(255,255,255,0.8);
  position: relative;
}

.footer-accent {
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--secondary) 100%);
}

.footer-content {
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-about h3 {
  color: var(--surface);
  margin-bottom: 20px;
}

.footer-about p {
  margin-bottom: 24px;
  line-height: 1.7;
}

.footer-links h4 {
  color: var(--surface);
  font-size: 1.125rem;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-bottom {
  padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-legal {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-legal a {
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
  padding: 24px;
  z-index: 10000;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  border-top: 3px solid var(--accent);
}

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

.cookie-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
}

.cookie-text p {
  margin-bottom: 0;
  color: var(--text);
}

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

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

.cookie-buttons .btn {
  padding: 12px 24px;
  font-size: 0.9375rem;
}

@media (max-width: 1024px) {
  .hero-split,
  .content-split,
  .calculator-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    height: 400px;
  }

  .content-split.reverse {
    direction: ltr;
  }

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

@media (max-width: 768px) {
  .container,
  .container-wide {
    padding: 0 20px;
  }

  section {
    padding: 60px 0;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .header-content {
    padding: 16px 0;
  }

  nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--surface);
    flex-direction: column;
    padding: 80px 0 40px;
    gap: 0;
    box-shadow: var(--shadow-xl);
    transition: left 0.3s ease;
    z-index: 1001;
  }

  nav.active {
    left: 0;
  }

  .nav-links {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 16px 32px;
    border-bottom: 1px solid var(--border);
  }

  .lang-switcher {
    margin: 20px 32px;
  }

  .mobile-menu-toggle {
    display: flex;
    z-index: 1002;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

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

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  .hero-content h1 {
    width: 100%;
  }

  .hero-cta {
    margin-left: 0;
    max-width: 100%;
  }

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

  .hero-visual {
    height: 300px;
  }

  .hero-image.main {
    width: 90%;
    height: 60%;
  }

  .hero-image.secondary {
    width: 75%;
    height: 50%;
  }

  .feature-grid,
  .tips-grid {
    grid-template-columns: 1fr;
  }

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

  .cta-banner {
    padding: 48px 24px;
    margin: 60px 0;
  }

  .calculator-section {
    padding: 32px 24px;
  }

  .contact-form {
    padding: 32px 24px;
  }

  .legal-content {
    padding: 32px 24px;
  }

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

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

  .cookie-content {
    flex-direction: column;
    align-items: stretch;
  }

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

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

@media (max-width: 480px) {
  .btn {
    padding: 14px 24px;
    font-size: 0.9375rem;
  }

  .logo {
    font-size: 20px;
  }

  .logo img {
    height: 40px;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}