/* --- Root Variables & Global Styles --- */
:root {
    --primary-blue: #2A526F; /* Dark Blue from "Belong" text */
    --primary-brown: #6D4C41; /* Brown from "HEALTH" text */
    --accent-teal: #38AABF;  /* Lighter Teal from "B" swirls */
    --light-bg: #F8F9FA;
    --dark-text: #343A40;
    --light-text: #FFFFFF;
    --font-heading: 'Merriweather', serif;
    --font-body: 'Lato', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    line-height: 1.7;
    color: var(--dark-text);
    background-color: var(--light-bg);
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--primary-blue);
    line-height: 1.3;
}

h2 { font-size: 2.5rem; text-align: center; margin-bottom: 1rem; }
p { font-size: 1.1rem; }

/* --- Header & Navigation --- */
header {
    background: var(--light-text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-img { height: 50px; }
.nav-links { list-style: none; display: flex; margin: 0; padding: 0; }
.nav-links li { padding: 0 1.2rem; }
.nav-links a { text-decoration: none; color: var(--primary-blue); font-weight: 700; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--accent-teal); }

/* --- Call to Action Button --- */
.cta-button {
    background: var(--accent-teal);
    color: var(--light-text);
    padding: 12px 28px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s ease;
    display: inline-block;
}
.cta-button:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(42, 82, 111, 0.8), rgba(42, 82, 111, 0.8));
    color: var(--light-text);
    height: 85vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
}

.hero-content { max-width: 800px; }
.hero h1 { color: var(--light-text); font-size: 3.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.3rem; margin-bottom: 2rem; opacity: 0.9; }

/* --- General Section Styling --- */
section { padding: 5rem 0; }
section:nth-of-type(odd) { background-color: white; }

/* --- Problem Statement Section --- */
.problem-statement { text-align: center; }
.problem-statement h2 { color: var(--primary-brown); }

/* --- How It Works Section --- */
.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 3rem;
}
.step {
    text-align: center;
    flex-basis: 23%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.step.visible {
    opacity: 1;
    transform: translateY(0);
}
.step-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    margin-bottom: 1rem;
}
.step h3 { color: var(--primary-blue); margin-bottom: 0.5rem; }

/* --- Value Proposition Sections --- */
.value-prop, .value-prop-dark { text-align: center; }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; text-align: left; margin-top: 3rem; }
.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-left: 5px solid var(--accent-teal);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.feature-card.visible { opacity: 1; transform: translateY(0); }
.feature-card h4 { margin-top: 0; font-size: 1.3rem; }

.value-prop-dark { background-color: var(--primary-brown); color: var(--light-text); }
.value-prop-dark h2, .value-prop-dark h4 { color: var(--light-text); }
.value-prop-dark .feature-card { background: #816258; border-left-color: var(--light-text); }
.section-subtitle { font-size: 1.2rem; opacity: 0.9; margin-top: -1rem; }

/* --- Mission Section --- */
.mission { text-align: center; }
.mission p { max-width: 800px; margin: 0 auto; }

/* --- Footer --- */
footer {
    background: var(--primary-blue);
    color: var(--light-text);
    padding: 4rem 0 2rem 0;
    text-align: center;
}
footer h2 { color: var(--light-text); }
footer p { opacity: 0.8; max-width: 600px; margin: 1rem auto; }
.cta-button-footer {
    background: var(--light-text);
    color: var(--primary-blue);
    margin: 2rem 0;
}
.cta-button-footer:hover {
    background: #e9ecef;
    color: var(--primary-blue);
}
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.2); margin-top: 3rem; padding-top: 2rem; }
.footer-bottom p { font-size: 0.9rem; opacity: 0.6; }

/* --- Responsive Design --- */
@media(max-width: 992px) {
    h2 { font-size: 2rem; }
    .hero h1 { font-size: 2.5rem; }
    .steps-container { flex-direction: column; }
    .features-grid { grid-template-columns: 1fr; }
}

@media(max-width: 768px) {
    .nav-links { display: none; } /* On mobile, you would add a hamburger menu here */
    .nav-cta { display: none; }
    .hero { height: auto; padding: 4rem 1rem; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1.1rem; }
    section { padding: 3rem 0; }
}