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

:root {
    --primary: #427cac;
    --success: #2a9d8f;
    --warning: #e9c46a;
    --danger: #e76f51;
    --dark: #2c3e50;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-brand i {
    font-size: 1.8rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-nav {
    background: var(--primary);
    color: var(--white) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

.btn-primary:hover {
    background: #d65a3d;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 111, 81, 0.3);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.highlight-excel {
    color: #217346;
    text-decoration: line-through;
    opacity: 0.7;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

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

.hero-stats {
    display: flex;
    gap: 2rem;
}

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

.stat i {
    font-size: 2.5rem;
    color: var(--primary);
}

.stat strong {
    display: block;
    font-size: 1.5rem;
    color: var(--dark);
}

.stat span {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.preview-header {
    background: linear-gradient(135deg, var(--primary), #5a8db8);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.preview-dots {
    display: flex;
    gap: 0.5rem;
}

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
}

.preview-title {
    color: var(--white);
    font-weight: 600;
}

.preview-content {
    padding: 1.5rem;
}

.preview-kpi {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    padding: 1rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-left: 4px solid;
}

.kpi-card.primary {
    background: rgba(66, 124, 172, 0.1);
    border-color: var(--primary);
}

.kpi-card.success {
    background: rgba(42, 157, 143, 0.1);
    border-color: var(--success);
}

.kpi-card.warning {
    background: rgba(233, 196, 106, 0.1);
    border-color: var(--warning);
}

.kpi-card i {
    font-size: 2rem;
}

.kpi-card.primary i {
    color: var(--primary);
}

.kpi-card.success i {
    color: var(--success);
}

.kpi-card.warning i {
    color: var(--warning);
}

.kpi-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
}

.kpi-card p {
    font-size: 0.85rem;
    color: var(--gray);
}

.preview-chart {
    height: 150px;
    background: linear-gradient(to top, rgba(66, 124, 172, 0.1) 0%, transparent 100%);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.preview-chart::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80%;
    background: linear-gradient(90deg,
            transparent 0%,
            var(--primary) 10%,
            var(--primary) 20%,
            transparent 30%,
            var(--success) 40%,
            var(--success) 50%,
            transparent 60%,
            var(--warning) 70%,
            var(--warning) 80%,
            transparent 90%);
    opacity: 0.3;
    clip-path: polygon(0 100%, 5% 80%, 10% 70%, 15% 75%, 20% 60%, 25% 65%, 30% 50%, 35% 55%, 40% 45%, 45% 40%, 50% 35%, 55% 30%, 60% 35%, 65% 25%, 70% 30%, 75% 20%, 80% 25%, 85% 15%, 90% 20%, 95% 10%, 100% 15%, 100% 100%);
}

/* Section Styling */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    background: rgba(66, 124, 172, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray);
}

/* Problem Section */
.problem-section {
    background: var(--light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.problem-card i {
    font-size: 3rem;
    color: var(--danger);
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.problem-card p {
    color: var(--gray);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--white);
}

.feature-icon.primary {
    background: var(--primary);
}

.feature-icon.success {
    background: var(--success);
}

.feature-icon.warning {
    background: var(--warning);
}

.feature-icon.danger {
    background: var(--danger);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* Benefits Section */
.benefits-section {
    background: var(--light);
}

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

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
}

.benefit-item i {
    font-size: 1.5rem;
    color: var(--success);
    flex-shrink: 0;
}

.benefit-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--dark);
}

.benefit-item p {
    color: var(--gray);
}

.benefit-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.visual-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.visual-item:first-child {
    grid-column: 1 / -1;
}

.visual-item i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

.visual-item span {
    font-weight: 600;
    color: var(--dark);
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--white);
    border: 2px solid #e9ecef;
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(66, 124, 172, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.pricing-header p {
    color: var(--gray);
}

.pricing-price {
    text-align: center;
    margin-bottom: 2rem;
}

.currency {
    font-size: 1.5rem;
    color: var(--gray);
    vertical-align: super;
}

.amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark);
}

.period {
    font-size: 1rem;
    color: var(--gray);
}

.pricing-renewal {
    text-align: center;
    padding: 1rem;
    margin-bottom: 1.5rem;
    background: rgba(66, 124, 172, 0.05);
    border-radius: 10px;
    border-left: 3px solid var(--primary);
}

.pricing-renewal p {
    font-size: 0.95rem;
    color: var(--dark);
    margin: 0;
}

.pricing-renewal strong {
    color: var(--primary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--dark);
    border-bottom: 1px solid #f1f3f5;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    color: var(--success);
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, var(--primary) 0%, #5a8db8 100%);
    color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.contact-info h2,
.contact-info p {
    color: var(--white);
}

.contact-details {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--warning);
}

.contact-item h4 {
    margin-bottom: 0.25rem;
}

.contact-item p {
    opacity: 0.9;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--gray);
    transition: all 0.3s;
    pointer-events: none;
    background: var(--white);
    padding: 0 0.5rem;
}

.form-group input:focus+label,
.form-group input:not(:placeholder-shown)+label,
.form-group select:focus+label,
.form-group select:valid+label,
.form-group textarea:focus+label,
.form-group textarea:not(:placeholder-shown)+label {
    top: -0.5rem;
    font-size: 0.85rem;
    color: var(--primary);
}

.checkbox-group {
    margin: 1.5rem 0;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark);
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label i {
    color: #217346;
    font-size: 1.2rem;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    display: none;
}

.form-message.success {
    background: rgba(42, 157, 143, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
    display: block;
}

.form-message.error {
    background: rgba(231, 111, 81, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
    display: block;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-brand {
    max-width: 300px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.brand-logo i {
    color: var(--primary);
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.6;
}

.project-credit a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
}

.project-credit a:hover {
    text-decoration: underline;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-content,
    .benefits-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .preview-kpi {
        grid-template-columns: 1fr;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .pricing-grid,
    .features-grid,
    .problem-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}