:root {
    --primary-color: #0056b3;
    /* Professional Blue */
    --secondary-color: #ff9800;
    /* Distinctive Orange */
    --text-color: #333;
    --light-bg: #f4f6f8;
    --white: #ffffff;
    --dark-footer: #222;
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --font-main: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
}

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

.cta-button {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}

.cta-button:hover {
    background-color: #e68900;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/hero-bg.webp');
    /* Needs generic or placeholder if not exists */
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 100px 20px;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    margin: 0 auto 30px auto;
    max-width: 600px;
}

/* USP Section */
.usp-section {
    padding: 60px 0;
    background-color: var(--light-bg);
    text-align: center;
}

.usp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.usp-item {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Services Section */
.services-section {
    padding: 60px 0;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: #ddd;
    /* Placeholder */
}

.service-card .content {
    padding: 20px;
}

.service-card h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Process Section */
.process-section {
    padding: 60px 0;
    background-color: var(--light-bg);
    text-align: center;
}

.process-steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.process-step {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

/* Footer */
footer {
    background-color: var(--dark-footer);
    color: #ccc;
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a:hover {
    color: var(--secondary-color);
}

.copyright {
    text-align: center;
    border-top: 1px solid #444;
    padding-top: 20px;
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* simple hidden for now, will add mobile toggle if needed */
    }

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

/* Sticky Buttons Container */
.sticky-buttons-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
}

.sticky-button {
    background-color: var(--primary-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: var(--transition);
}

.sticky-button:hover {
    transform: scale(1.1);
}

.sticky-button.whatsapp {
    background-color: #25D366;
}

.sticky-button.phone {
    background-color: var(--secondary-color);
}

/* Page Specific Styles - Refactoring Inline CSS */
.page-header-section {
    background: var(--light-bg);
    padding: 40px 0;
    text-align: center;
}

.page-header-description {
    max-width: 800px;
    margin: 20px auto;
}

.content-padding {
    padding: 60px 20px;
}

.content-grid-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.portfolio-img {
    width: 100%;
    border-radius: 5px;
    height: 150px;
    object-fit: cover;
}

.service-list {
    list-style-type: disc;
    margin-left: 20px;
}

.cta-box-sidebar {
    background: var(--white);
    border: 2px solid var(--secondary-color);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.btn-block-mt {
    display: block;
    margin-top: 20px;
}

.logo-highlight {
    color: var(--secondary-color);
}

.text-primary {
    color: var(--primary-color);
}

.mt-40 {
    margin-top: 40px;
}

.portfolio-img-lg {
    width: 100%;
    border-radius: 5px;
    height: 200px;
    object-fit: cover;
}

.calculation-box {
    background: #eef;
    padding: 20px;
    border-radius: 5px;
    margin-top: 10px;
}

.feature-box {
    background: #fff;
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.hero-subtitle {
    font-size: 0.7em;
    display: block;
    margin-top: 10px;
}

.cta-button-lg {
    font-size: 1.2rem;
    padding: 15px 30px;
}

.bg-whatsapp {
    background-color: #25D366;
}

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

.icon-usp {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.step-number {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.read-more-link {
    color: var(--secondary-color);
    font-weight: 600;
    display: block;
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.hero-cta-container {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.mb-10 {
    margin-bottom: 10px;
}

.phone-link {
    font-weight: bold;
    color: var(--text-color);
}



@media (max-width: 768px) {
    .content-grid-layout {
        grid-template-columns: 1fr;
    }
}