/* General Body & Typography */
:root {
    --primary-color: #00bcd4; /* A light blue for accents, matching the logo */
    --secondary-color: #333;
    --background-color: #f4f4f4;
    --card-bg-color: #fff;
    --text-color: #555;
    --heading-color: #222;
}

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

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

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 2rem;
    overflow: hidden;
}

h1, h2, h3, h4 {
    color: var(--heading-color);
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

.section {
    padding: 6rem 0;
}

.bg-light {
    background-color: #e9e9e9;
}

/* Header & Navigation */
header {
    background-color: var(--card-bg-color);
    color: var(--secondary-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('https://images.unsplash.com/photo-1549241525-2425d252f205?ixlib=rb-4.0.3&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=1920&h=1080&fit=crop') no-repeat center center/cover;
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    position: relative;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.hero-content {
    z-index: 1;
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    color: #fff;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #00a4b8;
}

/* About Section */
.about-content {
    text-align: center;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pillar-card {
    background-color: var(--card-bg-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pillar-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.pillar-card h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Methodology Section (Timeline) */
.timeline {
    position: relative;
    max-width: 800px;
    margin: auto;
    padding: 2rem 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border-radius: 50%;
    top: 24px;
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
}

.timeline-content {
    background-color: var(--card-bg-color);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

/* Certification & Services Sections */
.certification-grid, .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    text-align: center;
}

.cert-card, .service-card {
    background-color: var(--card-bg-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-card:hover, .service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.cert-card h3, .service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cert-note, .roi-note {
    text-align: center;
    font-style: italic;
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 2rem auto;
    background-color: var(--card-bg-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--heading-color);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    text-align: center;
    border: none;
    cursor: pointer;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    header .container {
        flex-direction: column;
        align-items: center;
    }

    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 0.5rem 1rem;
    }

    .hero h2 {
        font-size: 2.5rem;
    }

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

    .section {
        padding: 4rem 0;
    }

    .timeline::after {
        left: 18px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 40px;
        padding-right: 10px;
        text-align: left;
    }

    .timeline-item::before {
        left: 18px;
    }

    .timeline-item:nth-child(even) .timeline-dot {
        left: 10px;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }
}