:root {
    /* Speech Palette */
    --primary: #4A90E2;
    /* Calm Blue */
    --secondary: #FF9F43;
    /* Warm Orange */
    --accent: #54A0FF;
    /* Light Blue */
    --bg-body: #F7FBFF;
    /* Very Light Blue */
    --bg-card: #FFFFFF;
    --text-main: #2C3E50;
    --text-light: #7F8C8D;

    /* Typography */
    --font-heading: 'Nunito', sans-serif;
    /* Rounded & Friendly */
    --font-body: 'Open Sans', sans-serif;

    /* Spacing */
    --container-width: 1100px;
    --header-height: 80px;

    /* UI */
    --radius: 20px;
    --shadow: 0 5px 20px rgba(74, 144, 226, 0.1);
}

[data-theme="kids"] {
    --primary: #FF6B6B;
    /* Playful Red */
    --secondary: #4ECDC4;
    /* Teal */
    --bg-body: #FFF9F9;
    --font-heading: 'Comic Neue', cursive;
    /* Very friendly */
}

[data-theme="clinical"] {
    --primary: #20BF6B;
    /* Medical Green */
    --secondary: #0FB9B1;
    /* Cyan */
    --bg-body: #F0FDF4;
    --radius: 4px;
    /* More serious */
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.7;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-main);
}

/* Header */
header {
    height: var(--header-height);
    background: var(--bg-card);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

.btn-care {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: var(--shadow);
    transition: transform 0.2s, background 0.2s;
}

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

/* Hero */
.hero {
    padding: 6rem 0;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-img {
    flex: 1;
    text-align: center;
}

.hero-img img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Services Cards */
.services {
    padding: 6rem 0;
    background: var(--bg-card);
    border-radius: var(--radius);
    margin: 2rem 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-body);
    padding: 2rem;
    border-radius: var(--radius);
    transition: transform 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

/* Resources / Blog */
.resources {
    padding: 6rem 0;
}

.resource-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.resource-item {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
}

.resource-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.resource-info p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.btn-download {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.btn-download:hover {
    background: var(--primary);
    color: white;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    background: var(--bg-card);
    color: var(--text-light);
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-img {
        order: -1;
    }

    .nav-links {
        display: none;
    }
}