/* Reset & Variables */
:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #f59e0b;
  --accent-color: #10b981;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --text-muted: #9ca3af;
  --background: #ffffff;
  --background-alt: #f9fafb;
  --border-color: #e5e7eb;
  --border-light: #f3f4f6;
  --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);
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, #fbbf24 100%);
  --border-radius: 0.75rem;
  --border-radius-sm: 0.5rem;
  --border-radius-lg: 1rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__header {
  text-align: center;
  margin-bottom: 4rem;
}

.section__title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.section__description {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

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

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

.btn--outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  text-decoration: none;
}

.nav__logo {
  width: 40px;
  height: 40px;
}

.nav__menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
}

.nav__link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--primary-color);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav__toggle {
  display: none;
  cursor: pointer;
  color: var(--text-dark);
}

/* Hero Section */
.hero {
  padding: 8rem 0 6rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero__description {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero__stats {
  display: flex;
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat__number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat__label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__img {
  width: 100%;
  max-width: 500px;
  height: auto;
}

/* Services Section */
.services {
  padding: 6rem 0;
  background: var(--background);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: translateX(-100%);
  transition: var(--transition);
}

.service-card:hover::before {
  transform: translateX(0);
}

.service-card__icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-card__icon .material-icons {
  color: white;
  font-size: 1.75rem;
}

.service-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.service-card__description {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-card__list {
  list-style: none;
}

.service-card__list li {
  padding: 0.5rem 0;
  color: var(--text-light);
  position: relative;
  padding-left: 1.5rem;
}

.service-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: 600;
}

.services__cta {
  text-align: center;
}

/* Features Section */
.features {
  padding: 6rem 0;
  background: var(--background-alt);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.feature {
  text-align: center;
  padding: 2rem;
}

.feature__icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.feature__icon .material-icons {
  color: white;
  font-size: 2rem;
}

.feature__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.feature__description {
  color: var(--text-light);
  line-height: 1.6;
}

/* How it works */
.how-it-works {
  padding: 6rem 0;
  background: white;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

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

.step__number {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.step__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.step__description {
  color: var(--text-light);
  line-height: 1.6;
}

/* Providers Section */
.providers {
  padding: 6rem 0;
  background: var(--background-alt);
}

.providers__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.providers__title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.providers__description {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.providers__benefits {
  display: grid;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.benefit {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-light);
}

.benefit .material-icons {
  color: var(--accent-color);
  font-size: 1.25rem;
}

.providers__actions {
  display: flex;
  gap: 1rem;
}

.providers__image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.providers__img {
  width: 100%;
  max-width: 400px;
  height: auto;
}

/* Download Section */
.download {
  padding: 6rem 0;
  background: white;
}

.download__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.download__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.download__description {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.download__buttons {
  display: flex;
  gap: 1rem;
}

.download__btn {
  display: block;
  transition: var(--transition);
}

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

.download__btn img {
  height: 50px;
  width: auto;
}

.download__image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.download__img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 4rem 0 2rem;
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer__logo {
  width: 40px;
  height: 40px;
}

.footer__title {
  font-size: 1.5rem;
  font-weight: 700;
}

.footer__description {
  color: #9ca3af;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.social-link img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

.footer__section-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: 0.75rem;
}

.footer__links a {
  color: #9ca3af;
  text-decoration: none;
  transition: var(--transition);
}

.footer__links a:hover {
  color: white;
}

.footer__contact {
  display: grid;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #9ca3af;
}

.contact-item .material-icons {
  font-size: 1.125rem;
  color: var(--primary-color);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
}

.footer__legal {
  display: flex;
  gap: 2rem;
}

.footer__legal a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition);
}

.footer__legal a:hover {
  color: white;
}

.footer__copyright {
  color: #9ca3af;
  font-size: 0.875rem;
  margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero__container,
  .providers__content,
  .download__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero__title {
    font-size: 3rem;
  }
  
  .section__title {
    font-size: 2rem;
  }
  
  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav__menu {
    display: none;
  }
  
  .nav__toggle {
    display: block;
  }
  
  .hero {
    padding: 6rem 0 4rem;
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .hero__stats {
    justify-content: center;
  }
  
  .services__grid {
    grid-template-columns: 1fr;
  }
  
  .features__grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .providers__actions,
  .download__buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .footer__legal {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .section__title {
    font-size: 1.75rem;
  }
  
  .service-card,
  .feature {
    padding: 1.5rem;
  }
  
  .btn--large {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Scroll to top button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Privacy Policy Styles */
.privacy-section {
  margin-bottom: 3rem;
}

.privacy-section h2 {
  color: var(--text-dark);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-color);
}

.privacy-section h3 {
  color: var(--text-dark);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 1rem 0;
}

.privacy-section ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.privacy-section li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.privacy-section li strong {
  color: var(--primary-color);
}

.privacy-section p {
  line-height: 1.7;
  margin-bottom: 1rem;
}

.privacy-section a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.privacy-section a:hover {
  text-decoration: underline;
}

/* Loading states */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}