body {
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #334155;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.container {
    min-height: 100vh;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #f1f5f9;
    z-index: 100;
}

.nav-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    height: 65px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #0f172a;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
    transition: 0.2s;
}

.nav-btn {
    background-color: #059669;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

/* Hero Section */
.hero {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 80px 20px 60px 20px;
}

.badge {
    background-color: #d1fae5;
    color: #065f46;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 42px;
    font-weight: 900;
    color: #0f172a;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 18px;
    color: #475569;
    line-height: 1.6;
    max-width: 640px;
    margin: 0 auto 32px auto;
}

.hero-btn-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background-color: #0f172a;
    color: #fff;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.btn-secondary {
    background-color: #fff;
    color: #334155;
    border: 1px solid #e2e8f0;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
}

/* Calculator Grid */
.section-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    scroll-margin-top: 80px;
}

.calculator-grid {
    background-color: #fff;
    border: 1px solid #f1f5f9;
    border-radius: 24px;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.05);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    overflow: hidden;
}

.form-side {
    padding: 40px;
    background-color: #f8fafc;
    border-right: 1px solid #f1f5f9;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 6px 0;
}

.card-subtitle {
    font-size: 13px;
    color: #64748b;
    margin: 0 0 24px 0;
}

.label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: #475569;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    background-color: #fff;
    font-size: 16px;
    font-weight: 500;
    box-sizing: border-box;
}

.calc-btn {
    width: 100%;
    background-color: #059669;
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    box-shadow: 0 4px 10px rgba(5, 150, 105, 0.15);
}

.result-side {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.empty-state {
    text-align: center;
    padding: 40px 0;
}

.result-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748b;
    margin: 0 0 4px 0;
}

.result-amount {
    font-size: 32px;
    font-weight: 800;
    color: #0f172a;
}

.result-badge {
    font-size: 13px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    margin-left: 12px;
}

.feedback-box {
    border-width: 1px;
    border-style: solid;
    padding: 16px;
    border-radius: 12px;
}

/* Breakdown Grid */
.breakdown-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.breakdown-card {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 12px;
    border-radius: 10px;
}

.breakdown-title {
    font-size: 11px;
    color: #94a3b8;
    font-weight: 600;
    margin-bottom: 4px;
}

.breakdown-value {
    font-size: 14px;
    font-weight: 700;
    color: #1e293b;
}

/* SIP Projection Zone Style System */
.sip-projection-zone {
    margin-top: 5px;
    border-top: 1px dashed #e2e8f0;
    padding-top: 20px;
}

.sip-table-container {
    width: 100%;
    overflow-x: auto;
    margin-top: 10px;
}

.sip-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

.sip-table th, .sip-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #f1f5f9;
}

.sip-table th {
    background-color: #f8fafc;
    color: #64748b;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 11px;
}

/* Utilities Class Helpers */
.text-green { color: #059669; }
.font-bold { font-weight: 700; }

/* Features Section */
.features-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 20px;
    scroll-margin-top: 80px;
}

.section-title {
    font-size: 28px;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 8px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: #fff;
    border: 1px solid #f1f5f9;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
}

.feature-icon {
    font-size: 24px;
    background-color: #ecfdf5;
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px 0;
}

.feature-desc {
    font-size: 14px;
    color: #475569;
    line-height: 1.6;
    margin: 0;
}

/* Privacy */
.privacy-section {
    background-color: #0f172a;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    text-align: left;
}

.trust-card {
    background-color: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    padding: 24px;
    border-radius: 16px;
}

.trust-title {
    color: #34d399;
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 8px;
}

.trust-desc {
    color: #94a3b8;
    font-size: 12px;
    margin: 0;
    line-height: 1.5;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
}

.price-card {
    background-color: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 400px;
    box-sizing: border-box;
}

.price-plan-name {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 4px 0;
}

.price-plan-sub {
    font-size: 13px;
    color: #64748b;
    margin: 0 0 24px 0;
}

.price-tag {
    font-size: 36px;
    font-weight: 900;
    color: #0f172a;
    margin-bottom: 24px;
}

.price-unit {
    font-size: 14px;
    font-weight: 400;
    color: #94a3b8;
}

.price-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13px;
    color: #475569;
}

.price-btn-secondary {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background-color: #fff;
    font-weight: 600;
    cursor: pointer;
    margin-top: auto;
}

.price-btn-primary {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 12px;
    background-color: #059669;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
    margin-top: auto;
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 24px;
    transform: translateY(-50%);
    background-color: #059669;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Footer */
.footer {
    border-top: 1px solid #e2e8f0;
    background-color: #fff;
    padding: 40px 20px;
    text-align: center;
    font-size: 13px;
    color: #94a3b8;
}