/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #111827;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.full-width {
    width: 100%;
}

/* Navigation */
.navbar {
    background: #1f2937;
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid #374151;
    animation: fadeInDown 0.4s ease-out;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideInLeft 0.6s ease-out;
}

.nav-icon {
    height: 2rem;
    width: 2rem;
    color: #22d3ee;
    animation: pulseSlow 3s ease-in-out infinite;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: #d1d5db;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    color: #22d3ee;
    background: #374151;
}

.nav-btn.active {
    background: linear-gradient(to right, #22d3ee, #3b82f6);
    color: #ffffff;
    box-shadow: 0 10px 25px -3px rgba(34, 211, 238, 0.25);
}

.nav-btn svg {
    height: 1rem;
    width: 1rem;
}

.nav-link {
    color: #d1d5db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-link:hover {
    color: #22d3ee;
}

.mobile-menu-btn {
    display: none;
    padding: 0.5rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: #d1d5db;
    cursor: pointer;
    transition: background 0.3s ease;
}

.mobile-menu-btn:hover {
    background: #374151;
}

.mobile-menu-btn svg {
    height: 1.5rem;
    width: 1.5rem;
}

.mobile-menu {
    padding: 1rem;
    border-top: 1px solid #374151;
    animation: slideDown 0.3s ease-out;
}

.mobile-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: #d1d5db;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 0.5rem;
}

.mobile-nav-btn:hover {
    background: #374151;
}

.mobile-nav-btn.active {
    background: linear-gradient(to right, #22d3ee, #3b82f6);
    color: #ffffff;
}

.mobile-nav-btn svg {
    height: 1rem;
    width: 1rem;
}

.mobile-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: #d1d5db;
    text-decoration: none;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: background 0.3s ease;
    background: none;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
}

.mobile-nav-link:hover {
    background: #374151;
}

/* Page Management */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1f2937 0%, #111827 50%, #000000 100%);
    padding: 5rem 1rem;
    text-align: center;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-highlight {
    background: linear-gradient(90deg, #22d3ee, #3b82f6, #22d3ee);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: textShimmer 2s ease-in-out infinite;
}

.hero-description {
    font-size: 1.25rem;
    color: #d1d5db;
    margin-bottom: 2rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.75;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #9ca3af;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats svg {
    height: 1.25rem;
    width: 1.25rem;
    color: #34d399;
}

.hero-stats span {
    font-size: 1.125rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn:active {
    transform: translateY(0);
}

.btn svg {
    height: 1.5rem;
    width: 1.5rem;
}

.btn-primary {
    background: linear-gradient(to right, #34d399, #14b8a6);
    color: #ffffff;
    box-shadow: 0 10px 25px -3px rgba(52, 211, 153, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(to right, #10b981, #0d9488);
    box-shadow: 0 20px 40px -6px rgba(52, 211, 153, 0.4);
}

.btn-secondary {
    background: linear-gradient(to right, #a855f7, #ec4899);
    color: #ffffff;
    box-shadow: 0 10px 25px -3px rgba(168, 85, 247, 0.25);
}

.btn-secondary:hover {
    background: linear-gradient(to right, #9333ea, #db2777);
    box-shadow: 0 20px 40px -6px rgba(168, 85, 247, 0.4);
}

.btn-white {
    background: #ffffff;
    color: #22d3ee;
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    box-shadow: 0 20px 40px -6px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: #22d3ee;
    color: #ffffff;
    border: 2px solid #06b6d4;
    box-shadow: 0 10px 25px -3px rgba(34, 211, 238, 0.25);
}

.btn-outline:hover {
    border-color: #0891b2;
    box-shadow: 0 20px 40px -6px rgba(34, 211, 238, 0.4);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn:disabled:hover {
    transform: none;
}

/* Loading Spinner */
.loading-spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Features Section */
.features {
    padding: 5rem 1rem;
    background: #374151;
}

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

.features-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out;
}

.features-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.features-header p {
    font-size: 1.25rem;
    color: #d1d5db;
    max-width: 32rem;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #4b5563;
    border: 1px solid #6b7280;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease-out;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -6px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    background: #6b7280;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.feature-icon svg {
    height: 2rem;
    width: 2rem;
}

.feature-icon.yellow svg { color: #facc15; }
.feature-icon.emerald svg { color: #34d399; }
.feature-icon.cyan svg { color: #22d3ee; }
.feature-icon.purple svg { color: #a78bfa; }
.feature-icon.blue svg { color: #60a5fa; }
.feature-icon.pink svg { color: #f472b6; }

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    text-align: center;
}

.feature-card p {
    color: #d1d5db;
    text-align: center;
    line-height: 1.75;
}

/* CTA Section */
.cta {
    padding: 5rem 1rem;
    background: linear-gradient(to right, #0891b2, #3b82f6);
}

.cta-container {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.25rem;
    color: #bfdbfe;
    margin-bottom: 2rem;
    line-height: 1.75;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

/* FAQ Section */
.faq {
    padding: 5rem 1rem;
    background: #374151;
}

.faq-container {
    max-width: 64rem;
    margin: 0 auto;
}

.faq-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out;
}

.faq-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.faq-header p {
    font-size: 1.25rem;
    color: #d1d5db;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: #4b5563;
    border: 1px solid #6b7280;
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
}

.faq-question {
    width: 100%;
    padding: 2rem;
    background: transparent;
    border: none;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background 0.2s ease;
}

.faq-question:hover {
    background: #6b7280;
}

.faq-question span {
    font-size: 1.125rem;
    font-weight: 600;
    color: #ffffff;
}

.faq-icon {
    height: 1.25rem;
    width: 1.25rem;
    color: #9ca3af;
    transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 2rem 2rem;
    animation: slideDown 0.3s ease-out;
}

.faq-answer p {
    color: #d1d5db;
    line-height: 1.75;
}

/* Calculator Pages */
.calculator-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #1f2937 0%, #065f46 50%, #134e4a 100%);
    padding: 3rem 1rem;
}

.calculator-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out;
}

.calculator-header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.calculator-header p {
    font-size: 1.25rem;
    color: #a7f3d0;
    max-width: 32rem;
    margin: 0 auto;
}

.calculator-card {
    max-width: 64rem;
    margin: 0 auto;
    background: #374151;
    border: 1px solid #4b5563;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding: 3rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.input-group {
    margin-bottom: 2rem;
}

.input-group label {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.date-input,
.number-input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    background: #4b5563;
    border: 2px solid #6b7280;
    color: #ffffff;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.date-input:focus,
.number-input:focus {
    border-color: #34d399;
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.2);
    outline: none;
}

.date-input::placeholder,
.number-input::placeholder {
    color: #9ca3af;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Policy Pages */
.policy-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #1f2937 0%, #111827 50%, #000000 100%);
    padding: 3rem 1rem;
}

.policy-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out;
}

.policy-header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.policy-date {
    font-size: 1.125rem;
    color: #9ca3af;
}

.policy-content {
    max-width: 64rem;
    margin: 0 auto;
    background: #374151;
    border: 1px solid #4b5563;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding: 3rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.policy-section {
    margin-bottom: 3rem;
}

.policy-section:last-child {
    margin-bottom: 0;
}

.policy-section h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #22d3ee;
    margin-bottom: 1.5rem;
}

.policy-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.policy-section p {
    color: #d1d5db;
    line-height: 1.75;
    margin-bottom: 1rem;
}

.policy-section ul {
    color: #d1d5db;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.policy-section li {
    margin-bottom: 0.5rem;
    line-height: 1.75;
}

.contact-info {
    background: #4b5563;
    border: 1px solid #6b7280;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-top: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
    color: #ffffff;
    font-weight: 500;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

/* Contact Page Specific Styles */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: #4b5563;
    border: 1px solid #6b7280;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease-out;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.2);
}

.contact-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    background: linear-gradient(to right, #22d3ee, #3b82f6);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.contact-icon svg {
    height: 2rem;
    width: 2rem;
    color: #ffffff;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.contact-card p {
    color: #d1d5db;
    margin-bottom: 1rem;
    line-height: 1.75;
}

.contact-link {
    color: #22d3ee;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #06b6d4;
}

.contact-hours {
    font-size: 0.875rem;
    color: #9ca3af;
    margin-top: 0.5rem;
}

.response-time {
    font-size: 1.5rem;
    font-weight: 700;
    color: #34d399;
    margin: 0.5rem 0;
}

/* About Page Specific Styles */
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    background: #4b5563;
    border: 1px solid #6b7280;
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.feature-item h3 {
    color: #22d3ee;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-item p {
    color: #d1d5db;
    line-height: 1.75;
}

/* Results */
.results {
    margin-top: 3rem;
    animation: fadeInUp 0.8s ease-out;
}

.results h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 2rem;
    text-align: center;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.result-card {
    background: #4b5563;
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    animation: bounceIn 0.6s ease-out;
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.2);
}

.result-card.cyan {
    border: 2px solid rgba(34, 211, 238, 0.3);
}

.result-card.cyan:hover {
    box-shadow: 0 10px 25px -3px rgba(34, 211, 238, 0.2);
}

.result-card.emerald {
    border: 2px solid rgba(52, 211, 153, 0.3);
}

.result-card.emerald:hover {
    box-shadow: 0 10px 25px -3px rgba(52, 211, 153, 0.2);
}

.result-card.teal {
    border: 2px solid rgba(45, 212, 191, 0.3);
}

.result-card.blue {
    border: 2px solid rgba(96, 165, 250, 0.3);
}

.result-card.purple {
    border: 2px solid rgba(167, 139, 250, 0.3);
}

.result-card.pink {
    border: 2px solid rgba(244, 114, 182, 0.3);
}

.result-card.yellow {
    border: 2px solid rgba(250, 204, 21, 0.3);
}

.result-card.red {
    border: 2px solid rgba(248, 113, 113, 0.3);
}

.result-value {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.result-card.cyan .result-value { color: #22d3ee; }
.result-card.emerald .result-value { color: #34d399; }
.result-card.teal .result-value { color: #2dd4bf; }
.result-card.blue .result-value { color: #60a5fa; }
.result-card.purple .result-value { color: #a78bfa; }
.result-card.pink .result-value { color: #f472b6; }
.result-card.yellow .result-value { color: #facc15; }
.result-card.red .result-value { color: #f87171; }

.result-label {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.result-card.cyan .result-label { color: #67e8f9; }
.result-card.emerald .result-label { color: #6ee7b7; }
.result-card.teal .result-label { color: #5eead4; }
.result-card.blue .result-label { color: #93c5fd; }
.result-card.purple .result-label { color: #c4b5fd; }
.result-card.pink .result-label { color: #f9a8d4; }
.result-card.yellow .result-label { color: #fde047; }
.result-card.red .result-label { color: #fca5a5; }

.result-description {
    font-size: 0.875rem;
    color: #d1d5db;
}

/* Footer */
.footer {
    background: #000000;
    color: #ffffff;
    padding: 4rem 1rem;
    border-top: 1px solid #374151;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand {
    animation: fadeInUp 0.8s ease-out;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.footer-logo svg {
    height: 2rem;
    width: 2rem;
    color: #22d3ee;
    animation: pulseSlow 3s ease-in-out infinite;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand p {
    color: #9ca3af;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link.facebook {
    background: linear-gradient(to right, #22d3ee, #3b82f6);
}

.social-link.twitter {
    background: linear-gradient(to right, #60a5fa, #a855f7);
}

.social-link.linkedin {
    background: linear-gradient(to right, #a855f7, #ec4899);
}

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

.footer-links {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.footer-links h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #22d3ee;
    margin-bottom: 1.5rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a,
.footer-links button {
    color: #9ca3af;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-links button:hover {
    color: #22d3ee;
}

.footer-contact {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.footer-contact h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #a855f7;
    margin-bottom: 1.5rem;
}

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

.contact-item svg {
    height: 1.25rem;
    width: 1.25rem;
    color: #22d3ee;
}

.contact-item span {
    color: #9ca3af;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.footer-bottom p {
    color: #9ca3af;
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) translateY(50px);
    }
    50% {
        opacity: 1;
        transform: scale(1.05) translateY(-10px);
    }
    70% {
        transform: scale(0.95) translateY(0);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes pulseSlow {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes textShimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
    
    .cta-buttons {
        flex-direction: row;
    }
    
    .hero-title {
        font-size: 4rem;
    }
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
}

@media (max-width: 767px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .calculator-card,
    .policy-content {
        padding: 1.5rem;
    }
    
    .input-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .features-header h2,
    .cta h2,
    .faq-header h2 {
        font-size: 2rem;
    }
    
    .calculator-header h1,
    .policy-header h1 {
        font-size: 2rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .hero,
    .features,
    .cta,
    .faq {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .calculator-container,
    .policy-container {
        background: white !important;
        color: black !important;
    }
    
    .calculator-card,
    .policy-content {
        background: white !important;
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid #ffffff;
    }
    
    .feature-card,
    .faq-item,
    .calculator-card,
    .policy-content {
        border: 2px solid #ffffff;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}