:root {
    --primary-blue: #2563eb;
    --dark-blue: #1e3a8a;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --white: #ffffff;
    --light-bg: #f3f4f6;
    --whatsapp-green: #25D366;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.blue-label {
    color: var(--primary-blue);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 10px;
}

.btn {
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    border: 2px solid var(--primary-blue);
}

.btn-primary:hover {
    background: var(--dark-blue);
}

.btn-outline {
    border: 2px solid var(--text-dark);
    color: var(--text-dark);
    margin-left: 10px;
}

.btn-white {
    background: var(--white);
    color: var(--primary-blue);
    border: none;
    width: 100%;
    font-weight: bold;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.95);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-blue);
}

.highlight { color: var(--primary-blue); }

.nav-links { display: flex; gap: 30px; }
.nav-links a { font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--primary-blue); }

.nav-buttons { display: flex; gap: 15px; align-items: center; }

.btn-green {
    background: #10b981;
    color: white;
    border: 2px solid #10b981;
}
.btn-green:hover { background: #059669; border-color: #059669; }

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(to right, #fff 50%, var(--light-bg) 50%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.tagline {
    color: var(--primary-blue);
    font-weight: 600;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin: 20px 0;
    color: var(--dark-blue);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.floating-badge {
    position: absolute;
    bottom: 30px;
    left: -20px;
    background: var(--white);
    padding: 15px 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.floating-badge i { font-size: 2rem; color: var(--primary-blue); }

/* Stats Bar */
.stats-bar {
    background: var(--primary-blue);
    color: white;
    padding: 40px 0;
    margin-top: 50px;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.stat-item h3 { font-size: 2.5rem; margin-bottom: 5px; }

/* Services Section */
.services-section {
    padding: 100px 0;
    text-align: center;
    background: var(--light-bg);
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-blue);
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: left;
    transition: transform 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    background: var(--primary-blue);
    color: white;
}

.service-card:hover .blue-label, 
.service-card:hover a, 
.service-card:hover .icon-box {
    color: white;
}

.icon-box {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.service-card h3 { margin-bottom: 15px; font-size: 1.2rem; }
.service-card p { font-size: 0.9rem; color: var(--text-gray); margin-bottom: 20px; }
.service-card:hover p { color: #e0e0e0; }
.service-card a { font-weight: 600; font-size: 0.9rem; color: var(--primary-blue); }

/* About / Why Choose Us */
.about-section { padding: 100px 0; }
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-img-col img {
    width: 100%;
    border-radius: 20px;
}

.feature-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.f-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    min-width: 40px;
}

.f-text h4 { font-size: 1.2rem; margin-bottom: 5px; }
.f-text p { font-size: 0.95rem; color: var(--text-gray); }

/* Contact & FAQ Grid */
.contact-faq-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
}

.contact-box {
    background: var(--primary-blue);
    padding: 40px;
    border-radius: 20px;
    color: white;
}

.contact-box h3 { margin-bottom: 20px; }

.contact-box input, 
.contact-box textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: none;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
}

.faq-box h2 {
    font-size: 2rem;
    color: var(--dark-blue);
    margin-bottom: 30px;
}

.accordion details {
    margin-bottom: 20px;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 20px;
}

.accordion summary {
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
}

.accordion summary::after {
    content: '+';
    font-size: 1.2rem;
    color: var(--primary-blue);
}

.accordion details[open] summary::after { content: '-'; }

.details-content {
    margin-top: 10px;
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* WhatsApp Action Buttons */
.whatsapp-actions {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px dashed #e5e7eb;
}

.wa-header {
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-blue);
}

.wa-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-whatsapp-call {
    background-color: var(--dark-blue);
    color: white;
    border: none;
    flex: 1;
    text-align: center;
    min-width: 160px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-whatsapp-call:hover {
    background-color: #112255;
    transform: translateY(-2px);
}

.btn-whatsapp-msg {
    background-color: var(--whatsapp-green);
    color: white;
    border: none;
    flex: 1;
    text-align: center;
    min-width: 160px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-whatsapp-msg:hover {
    background-color: #1ebc57;
    transform: translateY(-2px);
}

/* Section Divider */
.section-divider {
    height: 4px;
    background: linear-gradient(to right, var(--primary-blue), #10b981);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 5px;
    opacity: 0.2;
}

/* Calculator Styles */
.calculator-section {
    padding: 80px 0;
    background: white;
}

.calc-header {
    text-align: center;
    margin-bottom: 50px;
}

.calculator-box {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    max-width: 900px;
    margin: 0 auto;
}

.calc-inputs label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-blue);
}

.calc-inputs input[type="number"] {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.range-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
}

.calc-inputs input[type="range"] {
    width: 100%;
    cursor: pointer;
}

.calc-results {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.result-row h3 { font-size: 1.5rem; color: var(--dark-blue); }
.danger-text { color: #ef4444 !important; } 

.highlight-row {
    background: #ecfdf5; 
    padding: 15px;
    border-radius: 10px;
    margin-top: 10px;
}

.highlight-row h3 { color: #059669 !important; } 

.calc-note { font-size: 0.8rem; color: var(--text-gray); margin-top: 15px; text-align: center; }

/* Footer */
footer {
    background: var(--dark-blue);
    color: white;
    padding: 80px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 { margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; opacity: 0.8; }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-container, 
    .about-container,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .nav-links { display: none; } 
    .hero { background: var(--white); text-align: center; }
    .hero h1 { font-size: 2.5rem; }
    .stats-grid { flex-direction: column; gap: 30px; }
    .calculator-box { grid-template-columns: 1fr; }
    .btn-green { display: none; } /* Simplify nav on mobile */
}

@media (max-width: 480px) {
    .wa-buttons { flex-direction: column; }
    .btn-whatsapp-call, .btn-whatsapp-msg { width: 100%; }
}