/* ============================================================
   Alpha Ecological Mold Removal Services Kenya
   Main Stylesheet
   ============================================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
    --primary: #2d6a4f;
    --primary-light: #40916c;
    --primary-dark: #1b4332;
    --secondary: #d4a373;
    --secondary-light: #e9c46a;
    --accent: #95d5b2;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --text-dark: #1a1a2e;
    --text-muted: #6c757d;
    --text-light: #f8f9fa;
    --border-color: #dee2e6;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --radius-sm: 6px;
    --transition: all 0.3s ease;
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Georgia', 'Times New Roman', serif;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.7;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 80px 0; }

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 16px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}

.text-center { text-align: center; }

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    line-height: 1.2;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 106, 79, 0.4);
    color: var(--text-light);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
    color: var(--text-dark);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn-light {
    background: var(--bg-white);
    color: var(--primary-dark);
}

.btn-light:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

/* --- Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.header.scrolled { box-shadow: var(--shadow); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.logo span {
    font-size: 0.85rem;
    display: block;
    font-weight: 400;
    color: var(--text-muted);
    font-family: var(--font-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 4px 0;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav a:hover::after,
.nav a.active::after { width: 100%; }

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

.nav .btn { padding: 10px 24px; font-size: 0.9rem; }

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.menu-toggle.active span:nth-child(2) { opacity: 0; }

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 50%, #40916c 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.8rem;
    font-weight: 700;
    color: var(--text-light);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero h1 span { color: var(--accent); }

.hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat h3 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-light);
}

.hero-stat p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.service-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(45, 106, 79, 0.1), rgba(149, 213, 178, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
    color: var(--primary);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Why Choose Us --- */
.why-choose { background: var(--bg-light); }

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
}

.feature-text h4 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.feature-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- Process Section --- */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.process-step { text-align: center; position: relative; z-index: 1; }

.step-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.process-step h4 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.process-step p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--primary);
    color: white;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.about-image-badge h4 {
    font-size: 1.8rem;
    font-weight: 700;
}

.about-image-badge p { font-size: 0.85rem; opacity: 0.9; }

.about-content h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.about-value {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.about-value i { color: var(--primary); font-size: 1.2rem; }

/* --- Testimonials --- */
.testimonials { background: var(--bg-light); }

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-stars { color: var(--secondary); margin-bottom: 16px; font-size: 1.1rem; }

.testimonial-text {
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
}

.testimonial-author h5 { font-size: 1rem; color: var(--text-dark); }
.testimonial-author span { font-size: 0.85rem; color: var(--text-muted); }

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 80px 0;
    text-align: center;
    color: white;
}

.cta-section h2 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 36px;
}

.cta-section .btn { font-size: 1.1rem; padding: 16px 40px; }

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(45, 106, 79, 0.1), rgba(149, 213, 178, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-detail h5 { font-size: 0.95rem; color: var(--text-dark); margin-bottom: 4px; }
.contact-detail p { color: var(--text-muted); font-size: 0.9rem; }

.contact-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-light);
    font-family: var(--font-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-white);
    box-shadow: 0 0 0 4px rgba(45, 106, 79, 0.1);
}

textarea.form-control { min-height: 140px; resize: vertical; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-success {
    display: none;
    padding: 20px;
    background: rgba(45, 106, 79, 0.1);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    color: var(--primary-dark);
    text-align: center;
    margin-top: 20px;
}

/* --- Footer --- */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo { color: white; margin-bottom: 16px; }

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 24px;
    opacity: 0.8;
}

.footer-social { display: flex; gap: 12px; }

.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: white;
    font-size: 1.1rem;
    transition: var(--transition);
}

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

.footer h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: white;
    margin-bottom: 24px;
}

.footer-links li { margin-bottom: 12px; }

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.95rem;
    opacity: 0.8;
}

.footer-contact i { margin-top: 4px; color: var(--accent); }

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* --- Page Header (inner pages) --- */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    text-align: center;
    color: white;
    position: relative;
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 12px;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Services Detail Grid --- */
.services-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-detail-card {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.service-detail-card .service-icon { margin: 0; flex-shrink: 0; }

.service-detail-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.service-detail-card p { color: var(--text-muted); font-size: 0.95rem; }

/* --- Team Grid --- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.team-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2.5rem;
    color: white;
}

.team-card h4 { font-size: 1.2rem; color: var(--primary-dark); margin-bottom: 4px; }
.team-card span { color: var(--primary); font-size: 0.9rem; font-weight: 500; }
.team-card p { color: var(--text-muted); font-size: 0.9rem; margin-top: 12px; }

/* --- FAQ Section --- */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 24px;
    background: var(--bg-white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
}

.faq-question:hover { background: var(--bg-light); }
.faq-question i { transition: var(--transition); color: var(--primary); }
.faq-item.active .faq-question i { transform: rotate(180deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 24px;
    background: var(--bg-light);
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 20px 24px;
}

.faq-answer p { color: var(--text-muted); line-height: 1.8; }

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(45, 106, 79, 0.4);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3rem; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { gap: 40px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        padding: 100px 40px 40px;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        gap: 24px;
        align-items: flex-start;
        z-index: 1001;
    }

    .nav.active { right: 0; }
    .nav a { font-size: 1.1rem; }

    .hero {
        min-height: auto;
        padding: 120px 0 60px;
        text-align: center;
    }

    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; flex-wrap: wrap; gap: 24px; }
    .hero-stat h3 { font-size: 1.6rem; }

    .section { padding: 60px 0; }
    .section-title { font-size: 2rem; }

    .services-grid,
    .services-detail-grid,
    .features-grid,
    .testimonials-grid,
    .team-grid { grid-template-columns: 1fr; }

    .about-grid,
    .contact-grid { grid-template-columns: 1fr; }

    .about-image { display: none; }

    .process-steps { grid-template-columns: 1fr; gap: 40px; }

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

    .page-header { padding: 120px 0 60px; }
    .page-header h1 { font-size: 2rem; }
    .cta-section h2 { font-size: 2rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 1.8rem; }
    .hero-actions .btn { width: 100%; }
    .contact-form { padding: 24px; }
    .service-detail-card { flex-direction: column; text-align: center; }
    .service-detail-card .service-icon { margin: 0 auto; }
}