:root {
    --primary-color: #2c3e50;
    --radon-color: #3498db;
    --accent-color: #e74c3c;
    --bg-light: #f8f9fa;
    --text-color: #333;
    --white: #ffffff;
    --whatsapp-color: #25D366;
}

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

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

.container {
    width: 90%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.lang-switch {
    display: flex;
}

.lang-switch button {
    background: none;
    border: 1px solid var(--primary-color);
    padding: 5px 10px;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.lang-switch button.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.lang-switch button:first-child {
    border-radius: 4px 0 0 4px;
}

.lang-switch button:last-child {
    border-radius: 0 4px 4px 0;
    margin-left: -1px;
}

/* Hero Section */
.hero {
    background: linear-gradient(to right,
        #2c3e50 0%,
        rgba(44, 62, 80, 0.9) 15%,
        rgba(44, 62, 80, 0.6) 30%,
        rgba(44, 62, 80, 0.6) 70%,
        rgba(44, 62, 80, 0.9) 85%,
        #2c3e50 100%
    ), url('images/background.jpg');
    background-size: cover;
    background-position: center;
    background-color: #2c3e50;
    color: var(--white);
    text-align: center;
    padding: 1.5rem 0;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Service Toggle */
.service-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.service-toggle button {
    padding: 10px 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.service-toggle button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #ffffff;
}

.service-toggle button.active {
    background-color: #ffffff;
    color: var(--primary-color);
    border-color: #ffffff;
}

.service-toggle button.radon-btn.active {
    color: var(--radon-color);
}

.service-toggle button.thermal-btn.active {
    color: var(--accent-color);
}

.hidden-section {
    display: none;
}

/* Buttons */
.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.cta-button:hover {
    background-color: #c0392b;
}

/* Offer Section */
.offer-section {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem 0;
    text-align: center;
}

.offer-section h2 {
    color: var(--white);
    margin-bottom: 0;
    font-size: 1.8rem;
    font-weight: 600;
}

/* Info Sections */
.info-section {
    padding: 1.5rem 0;
}

.alt-bg {
    background-color: var(--bg-light);
}

.info-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.highlight-box {
    background-color: #e8f4f8;
    border-left: 5px solid var(--primary-color);
    padding: 1.5rem;
    margin-top: 1.5rem;
    border-radius: 4px;
}

/* Contact Form & Section */
.contact-section {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.contact-section h2 {
    color: var(--white);
    margin-bottom: 2rem;
    font-size: 2.2rem;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 15px 30px;
    border-radius: 12px;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 280px;
    justify-content: flex-start; /* Changed to flex-start for better alignment */
    text-align: left; /* Ensure text aligns left */
}

.contact-btn:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.contact-btn.whatsapp-btn:hover {
    color: var(--whatsapp-color);
}

.contact-btn .icon {
    font-size: 2rem; /* Increased icon size */
    display: flex;
    align-items: center;
}

.contact-btn-text {
    display: flex;
    flex-direction: column;
}

.contact-btn-label {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 400;
}

.contact-btn-value {
    font-size: 1.1rem;
    font-weight: 700;
}

.contact-btn-note {
    font-size: 0.75rem;
    opacity: 0.7;
    font-weight: 400;
    font-style: italic;
    margin-top: 2px;
}

/* Footer */
footer {
    background-color: #1a252f;
    color: #bdc3c7;
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.8rem;
    }

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

    .info-section {
        padding: 1rem 0;
    }

    .offer-section h2 {
        font-size: 1.4rem;
    }

    .contact-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .contact-btn {
        width: 100%;
        max-width: 320px;
    }
}