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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Navbar */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-logo h2 {
    font-size: 1.5rem;
    color: #2563eb;
}

.nav-logo .logo-image {
    width: 60px;
    height: 60px;
}

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

.nav-links a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #2563eb;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(to bottom right, #60a5fa, #3b82f6, #2563eb);
    overflow: hidden;
    min-height: 600px;
    background-image: url('hero-pc.png');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-image: 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='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1rem;
    position: relative;
    z-index: 10;
}

.hero-content {
    color: white;
    max-width: 800px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: bold;
    line-height: 1.2;
    color: #1e3a8a;
    margin-bottom: 1rem;
}

.hero-subtitle {
    color: #000;
}

.hero-heading {
    font-size: 1.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e3a8a;

}

.hero-text {
    font-size: 1.25rem;
    color: #dbeafe;
    margin-bottom: 1.5rem;
    color: #000;
}

.hero-btn {
    background-color: #fbbf24;
    color: #1e3a8a;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: bold;
    font-size: 1.125rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.hero-btn:hover {
    background-color: #fcd34d;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.trust-card {
    background-color: rgb(255, 255, 255);
    backdrop-filter: blur(8px);
    border-radius: 0.5rem;
    padding: 1rem;
    text-align: center;
}

.trust-icon {
    width: 3rem;
    height: 3rem;
    background-color: black;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
}

.trust-icon .icon {
    width: 1.5rem;
    height: 1.5rem;
    color: #3b82f6;
}

.trust-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #1e3a8a;
}

.trust-desc {
    font-size: 0.875rem;
    color: #6b7280;
}

.wave-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.wave-bottom svg {
    display: block;
    width: 100%;
}

/* Calculator Section */
.calculator-section {
    background: linear-gradient(to bottom right, #eff6ff, #fff, #ecfdf5);
    padding: 4rem 1rem;
}

.calculator-container {
    max-width: 1200px;
    margin: 0 auto;
}

.calculator-card {
    background: white;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.calculator-header {
    background: linear-gradient(to right, #2563eb, #1d4ed8, #4338ca);
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.calculator-title {
    font-size: 2.25rem;
    font-weight: bold;
    color: white;
    margin-bottom: 0.5rem;
}

.calculator-subtitle {
    color: #dbeafe;
    font-size: 1.125rem;
}

.calculator-emoji {
    font-size: 3.75rem;
    display: none;
}

@media (min-width: 768px) {
    .calculator-emoji {
        display: block;
    }
}

.calculator-body {
    padding: 2.5rem;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-section {
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid;
}

.personal-info {
    background: linear-gradient(to right, #f9fafb, #f3f4f6);
    border-color: #d1d5db;
}

.property-info {
    background: linear-gradient(to right, #ecfdf5, #d1fae5);
    border-color: #86efac;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.75rem;
    font-size: 1rem;
    transition: all 0.3s;
    box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-group input.error,
.form-group select.error {
    border-color: #ef4444;
}

.error-message {
    color: #ef4444;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(to right, #2563eb, #4f46e5);
    color: white;
    padding: 1.25rem 2rem;
    border-radius: 0.75rem;
    font-weight: bold;
    font-size: 1.125rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.submit-btn:hover {
    background: linear-gradient(to right, #1d4ed8, #4338ca);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Results Section */
.results-section {
    margin-top: 3rem;
    animation: fadeIn 0.5s;
}

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

.results-main {
    background: linear-gradient(to bottom right, #ecfdf5, #d1fae5);
    border: 2px solid #86efac;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.results-title {
    font-size: 1.875rem;
    font-weight: bold;
    color: #065f46;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.metric-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.metric-card.blue { border-left: 4px solid #3b82f6; }
.metric-card.purple { border-left: 4px solid #a855f7; }
.metric-card.green { border-left: 4px solid #22c55e; }

.metric-label {
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 2.25rem;
    font-weight: bold;
}

.metric-value.blue { color: #2563eb; }
.metric-value.purple { color: #1f2937; }
.metric-value.green { color: #16a34a; }

.metric-desc {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.cost-section {
    background: linear-gradient(to right, #fbbf24, #f59e0b, #ef4444);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.cost-title {
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.cost-box {
    background-color: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid rgba(255,255,255,0.3);
}

.cost-label {
    color: #000;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.cost-value {
    font-size: 3rem;
    font-weight: bold;
    color: #000;
    margin-bottom: 0.5rem;
}

.cost-base {
    color: #000;
    font-size: 0.875rem;
    opacity: 0.9;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.benefit-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.benefit-label {
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.benefit-value {
    font-size: 1.5rem;
    font-weight: bold;
}

.benefit-value.green { color: #16a34a; }
.benefit-value.blue { color: #2563eb; }
.benefit-value.purple { color: #9333ea; }

.benefit-desc {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.environmental-section {
    background: linear-gradient(to bottom right, #ecfdf5, #99f6e4);
    border: 2px solid #5eead4;
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 1.5rem;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.environmental-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #064e3b;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

@media (min-width: 768px) {
    .environmental-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.environmental-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.environmental-card.emerald { border-left: 4px solid #10b981; }
.environmental-card.green { border-left: 4px solid #22c55e; }

.environmental-label {
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.environmental-value {
    font-size: 1.875rem;
    font-weight: bold;
}

.environmental-value.emerald { color: #059669; }
.environmental-value.green { color: #16a34a; }

.environmental-desc {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.5rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
    }
}

.cta-btn {
    flex: 1;
    padding: 1.25rem 2rem;
    border-radius: 0.75rem;
    font-weight: bold;
    font-size: 1.125rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.cta-btn.yellow {
    background: linear-gradient(to right, #fbbf24, #f59e0b);
    color: white;
}

.cta-btn.yellow:hover {
    background: linear-gradient(to right, #f59e0b, #d97706);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.cta-btn.blue {
    background: linear-gradient(to right, #2563eb, #4f46e5);
    color: white;
}

.cta-btn.blue:hover {
    background: linear-gradient(to right, #1d4ed8, #4338ca);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

/* Why Choose Section */
.why-choose-section {
    padding: 4rem 1rem;
    background-color: #f9fafb;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-heading {
    font-size: 2.25rem;
    font-weight: bold;
    text-align: center;
    color: #111827;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 0.5rem;
}

.feature-desc {
    color: #6b7280;
}

/* Footer */
.footer {
    background-color: #1f2937;
    color: white;
    padding: 2rem 1rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #374151;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.875rem;
    }
    
    .hero-heading {
        font-size: 1.5rem;
    }
    
    .nav-links {
        display: none;
    }
    .hero-section{
        background-image: url(hero-tab.png);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-heading {
        font-size: 1.25rem;
    }    .hero-section{
        background-image: url(hero-mobile.png);
        background-position: right;
    }
}