:root {
    --primary: #4285F4;
    /* Google Blue */
    --secondary: #EA4335;
    /* Google Red */
    --accent: #FBBC05;
    /* Google Yellow */
    --success: #34A853;
    /* Google Green */
    --dark: #202124;
    --light: #F8F9FA;
    --white: #FFFFFF;
    --gray: #5F6368;

    --font-main: 'Inter', sans-serif;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-premium: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

body {
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.navbar nav a {
    text-decoration: none;
    color: var(--gray);
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar nav a:hover,
.navbar nav a.active {
    color: var(--primary);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.btn-secondary:hover {
    background-color: rgba(66, 133, 244, 0.05);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero-section {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

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


.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Material Design 3 Styling */
:root {
    --md-sys-color-primary: #0b57d0;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-primary-container: #d3e3fd;
    --md-sys-color-on-primary-container: #041e49;
    --md-sys-color-surface: #f8f9fa;
    --md-sys-color-surface-container: #ffffff;
    --md-sys-color-on-surface: #1f1f1f;
    --md-sys-color-outline-variant: #c4c7c5;

    --md-sys-elevation-level1: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level2: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);

    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-large: 16px;
}

.card-material {
    background: var(--md-sys-color-surface-container);
    border-radius: var(--md-sys-shape-corner-medium);
    box-shadow: var(--md-sys-elevation-level1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #e0e0e0;
}

.text-headline-small {
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    line-height: 2rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
}

.text-body-medium {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 400;
    color: var(--gray);
}

.btn-filled {
    background-color: #1b8a5a;
    /* Green from the screenshot */
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    display: block;
    width: 100%;
    text-decoration: none;
    transition: background-color 0.2s;
    border: none;
    cursor: pointer;
}

.btn-filled:hover {
    background-color: #136a44;
}

.list-features {
    list-style: none;
    padding: 0;
}

.list-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray);
}

.list-features li::before {
    content: "✓";
    color: #1b8a5a;
    font-weight: bold;
}

.profile-chip {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f1f3f4;
    border-radius: 12px;
    margin-top: 1rem;
}

.profile-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    background: #ccc;
}