/* --- CSS Variables and Reset --- */
:root {
    --dark-blue: #0D2C51;
    --teal: #49B9C8;
    --light-purple: #8B88FF;
    --deep-purple: #8430C6;
    --white: #FFFFFF;
    --off-white: #F4F7FC;
    --text-color: #A9B4C7; /* Lighter text for dark bg */
    --heading-color: #FFFFFF;
    
    --font-primary: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-blue);
    color: var(--text-color);
    line-height: 1.7;
    font-size: 16px;
}

/* --- General & Utility Classes --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 30px;
}

.small-container {
    max-width: 800px;
    text-align: center;
}

h1, h2, h3, h4 {
    color: var(--heading-color);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.2rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; }
a { text-decoration: none; color: var(--teal); }

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    color: var(--teal);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Header & Navigation --- */
.main-header {
    background-color: rgba(13, 44, 81, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    z-index: 1000;
    top: 0;
}

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

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

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
}

.main-nav li {
    margin-left: 2rem;
}

.main-nav a {
    color: var(--off-white);
    font-weight: 400;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--teal);
}

.cta-nav {
    background: linear-gradient(90deg, var(--light-purple), var(--deep-purple));
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-nav:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(139, 136, 255, 0.3);
}

/* --- Hero Section --- */
.hero {
    background-color: var(--dark-blue);
    padding: 160px 0 100px 0;
    text-align: center;
    background-image: radial-gradient(circle at 10% 20%, rgba(73, 185, 200, 0.1), transparent 30%),
                      radial-gradient(circle at 90% 80%, rgba(132, 48, 198, 0.1), transparent 30%);
}

.hero .container {
    max-width: 850px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--text-color);
    max-width: 700px;
    margin: 1.5rem auto 2.5rem auto;
}

.cta-button {
    background: linear-gradient(90deg, var(--light-purple), var(--deep-purple));
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(139, 136, 255, 0.4);
}

/* --- Problem Section --- */
.problem-section {
    padding: 80px 0;
    background-color: var(--off-white);
    color: #333;
}
.problem-section h2 {
    color: var(--dark-blue);
}
.problem-section p {
    font-size: 1.1rem;
    color: #555;
}

/* --- Solutions Section --- */
.solutions-section {
    padding: 100px 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.solution-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(73, 185, 200, 0.2);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.1);
}

.icon-wrapper {
    background-color: var(--dark-blue);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid var(--teal);
}

.icon-wrapper svg {
    width: 28px;
    height: 28px;
    color: var(--teal);
}

.integrated-solution {
    background: linear-gradient(90deg, rgba(139, 136, 255, 0.1), rgba(132, 48, 198, 0.1));
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    border: 1px solid var(--light-purple);
}

/* --- Process Section --- */
.process-section {
    padding: 80px 0;
    background-color: var(--off-white);
    color: #333;
}
.process-section h2, .process-section h3 {
    color: var(--dark-blue);
}
.process-section .section-tag {
    color: var(--deep-purple);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    text-align: center;
}

.step {
    flex: 1;
    padding: 0 1rem;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(90deg, var(--light-purple), var(--deep-purple));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem auto;
}

.step-arrow {
    font-size: 2rem;
    color: var(--light-purple);
    margin-top: 50px; /* Align with middle of step content */
    padding: 0 1rem;
}

/* --- About/Why Us Section --- */
.about-section {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    text-align: center;
}
.feature h4 {
    color: var(--teal);
    margin-bottom: 0.5rem;
}

/* --- Contact Section --- */
.contact-section {
    padding: 100px 0;
    background-color: var(--off-white);
    color: var(--dark-blue);
}

.contact-section h2 { color: var(--dark-blue); }
.contact-section p { color: #444; }

.email-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-blue);
    position: relative;
    padding-bottom: 5px;
}

.email-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--light-purple), var(--deep-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.email-link:hover::after {
    transform: scaleX(1);
}

.social-links {
    margin-top: 2.5rem;
}

.social-links a {
    color: var(--dark-blue);
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--deep-purple);
}

.social-links svg {
    width: 32px;
    height: 32px;
}

/* --- Footer --- */
.main-footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(73, 185, 200, 0.2);
}
.main-footer p {
    font-size: 0.9rem;
    color: var(--text-color);
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero h1 { font-size: 2.8rem; }

    .main-nav { display: none; } /* For simplicity; a real project would need a hamburger menu */

    .solutions-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; gap: 3rem; }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    .step-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
}