/* ===== Base & Reset ===== */
:root {
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --primary-light: #60A5FA;
  --secondary: #8B5CF6;
  --secondary-dark: #7C3AED;
  --accent: #06B6D4;
  --success: #10B981;
  --text-dark: #0F172A;
  --text-medium: #475569;
  --text-light: #64748B;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --radius-sm: 0.25rem;
  --radius: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.3); }
  50% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.6); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

.animate-fade-in-up:nth-child(1) { animation-delay: 0.1s; }
.animate-fade-in-up:nth-child(2) { animation-delay: 0.2s; }
.animate-fade-in-up:nth-child(3) { animation-delay: 0.3s; }
.animate-fade-in-up:nth-child(4) { animation-delay: 0.4s; }

/* ===== Header ===== */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}

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

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-text {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background-color: var(--gray-100);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.login-link {
  display: none;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-medium);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.login-link:hover {
  color: var(--primary);
  background-color: var(--gray-100);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Hamburger Menu */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 110;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

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

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

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

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  padding: 4.5rem 1.5rem 2rem;
  flex-direction: column;
  gap: 0.125rem;
  overflow-y: auto;
}

.mobile-menu.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.mobile-menu .nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1.0625rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
}

.mobile-menu .nav-link:hover {
  background-color: var(--gray-100);
}

.mobile-menu .mobile-cta {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-menu .mobile-login {
  display: block;
  text-align: center;
  padding: 0.875rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-medium);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.mobile-menu .mobile-login:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.mobile-menu .mobile-start {
  display: block;
  text-align: center;
  padding: 0.875rem;
  font-size: 1rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* ===== Hero Section ===== */
.hero-section {
  padding: 4rem 0 5rem;
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 50%, var(--white) 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  position: relative;
  z-index: 1;
}

.hero-text {
  text-align: center;
  max-width: 38rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  color: var(--primary-dark);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.hero-badge .badge-dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-glow 2s infinite;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--text-dark);
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-medium);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 1.75rem;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-xl);
  font-size: 1.0625rem;
  font-weight: 600;
  transition: all var(--transition);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

.primary-button .icon {
  transition: transform var(--transition);
}

.primary-button:hover .icon {
  transform: translateX(3px);
}

.outline-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--white);
  color: var(--text-dark);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-xl);
  font-size: 1.0625rem;
  font-weight: 600;
  border: 1.5px solid var(--gray-300);
  transition: all var(--transition);
}

.outline-button:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: rgba(59, 130, 246, 0.04);
  transform: translateY(-2px);
}

.hero-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.check-icon {
  color: var(--success);
  font-weight: 700;
}

.hero-image {
  width: 100%;
  max-width: 540px;
}

.image-container {
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: 0.75rem;
  border: 1px solid var(--gray-200);
  animation: float 6s ease-in-out infinite;
}

.image-container img {
  border-radius: var(--radius-xl);
}

/* ===== Stats Section ===== */
.stats-section {
  padding: 3rem 0;
  background: var(--white);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 1rem;
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ===== Features Section ===== */
.features-section {
  padding: 5rem 0;
  background-color: var(--gray-50);
}

.section-header {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto 3.5rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.125rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  color: var(--text-dark);
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-medium);
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.feature-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

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

.feature-icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.feature-icon.blue {
  background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
}

.feature-icon.purple {
  background: linear-gradient(135deg, #EDE9FE, #DDD6FE);
}

.feature-icon.green {
  background: linear-gradient(135deg, #D1FAE5, #A7F3D0);
}

.feature-icon.cyan {
  background: linear-gradient(135deg, #CFFAFE, #A5F3FC);
}

.feature-icon.amber {
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
}

.feature-icon.rose {
  background: linear-gradient(135deg, #FFE4E6, #FECDD3);
}

.feature-title {
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
  color: var(--text-dark);
}

.feature-description {
  color: var(--text-medium);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ===== How It Works Section ===== */
.how-it-works-section {
  padding: 5rem 0;
  background: var(--white);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
}

.step-content h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.step-content p {
  color: var(--text-medium);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ===== Testimonials Section ===== */
.testimonials-section {
  padding: 5rem 0;
  background: var(--gray-50);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  color: #FBBF24;
  font-size: 1.125rem;
}

.testimonial-text {
  color: var(--text-medium);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.875rem;
}

.testimonial-info strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-dark);
}

.testimonial-info span {
  font-size: 0.8125rem;
  color: var(--text-light);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 2.125rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta-description {
  font-size: 1.1rem;
  max-width: 36rem;
  margin: 0 auto 2.5rem;
  opacity: 0.9;
  line-height: 1.7;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all var(--transition);
}

.cta-button.light {
  background: var(--white);
  color: var(--primary-dark);
  font-size: 1.0625rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-xl);
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.cta-button.light:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.cta-button.light .icon {
  transition: transform var(--transition);
}

.cta-button.light:hover .icon {
  transform: translateX(3px);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--text-dark);
  color: var(--gray-300);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer .logo-text {
  font-size: 1.375rem;
}

.footer-description {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  color: var(--gray-400);
  font-size: 1.125rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--gray-400);
  font-size: 0.9375rem;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 4px;
}

.footer-bottom {
  padding: 1.75rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.copyright {
  font-size: 0.875rem;
  color: var(--gray-400);
}

/* ===== Legal Pages ===== */
.legal-page {
  padding: 3rem 0;
}

.legal-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.legal-content {
  max-width: 48rem;
}

.legal-date {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.legal-heading {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.legal-subheading {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.legal-list {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin: 1rem 0;
}

.legal-list li {
  margin-bottom: 0.5rem;
}

/* ===== Responsive ===== */
@media (min-width: 640px) {
  .hero-title {
    font-size: 3.25rem;
  }

  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }

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

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

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

}

@media (min-width: 768px) {
  .hamburger {
    display: none;
  }

  .main-nav {
    display: flex;
  }

  .login-link {
    display: inline-block;
  }

  .hero-content {
    flex-direction: row;
    align-items: center;
  }

  .hero-text {
    text-align: left;
    flex: 1;
  }

  .hero-buttons {
    justify-content: flex-start;
  }

  .hero-note {
    justify-content: flex-start;
  }

  .hero-image {
    flex: 1;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .steps-grid {
    gap: 3rem;
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-title {
    font-size: 3.5rem;
  }

}