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

:root {
    --stone-50: #fafaf9;
    --stone-100: #f5f5f4;
    --stone-200: #e7e5e4;
    --stone-300: #d6d3d1;
    --stone-400: #a8a29e;
    --stone-500: #78716c;
    --stone-600: #57534e;
    --stone-700: #44403c;
    --stone-800: #292524;
    --stone-900: #1c1917;
    --amber-50: #fffbeb;
    --amber-100: #fef3c7;
    --amber-200: #fde68a;
    --amber-600: #d97706;
    --amber-700: #b45309;
    --amber-800: #92400e;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--stone-50);
    color: var(--stone-900);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Hero Section */
.hero {
    background-color: var(--stone-100);
    border-bottom: 1px solid var(--stone-200);
    padding: 4rem 1rem;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    background-color: var(--stone-200);
    color: var(--stone-700);
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s;
}

.badge:hover {
    background-color: var(--stone-300);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    color: var(--stone-600);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    min-width: 200px;
}

.btn-primary {
    background-color: var(--stone-800);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: var(--stone-900);
    transform: scale(1.05);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--stone-700);
    border: 1px solid var(--stone-300);
}

.btn-secondary:hover {
    background-color: var(--stone-100);
    transform: scale(1.05);
    border-color: var(--stone-400);
}

.icon {
    width: 1rem;
    height: 1rem;
    margin-left: 0.5rem;
}

/* Main Content */
.main-content {
    padding: 4rem 1rem;
}

.card {
    background-color: white;
    border: 1px solid var(--stone-200);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 3rem;
    transition: box-shadow 0.3s;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--stone-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.card-description {
    color: var(--stone-600);
}

.card-title .icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-left: 0;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.sub-card {
    background-color: var(--stone-50);
    border: 1px solid var(--stone-200);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s;
}

.sub-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transform: scale(1.02);
}

.sub-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--stone-800);
    margin-bottom: 0.5rem;
}

.sub-card p {
    color: var(--stone-600);
    margin-bottom: 1rem;
}

.btn-full {
    width: 100%;
}

.warning {
    background-color: var(--amber-50);
    border: 1px solid var(--amber-200);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.warning .icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--amber-600);
    margin-left: 0;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.warning h4 {
    color: var(--amber-800);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.warning p {
    color: var(--amber-700);
    font-size: 0.875rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-card {
    background-color: white;
    border: 1px solid var(--stone-200);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s;
}

.feature-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transform: scale(1.02);
}

.feature-card .icon {
    width: 2rem;
    height: 2rem;
    color: var(--stone-600);
    margin-bottom: 0.5rem;
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--stone-800);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--stone-600);
    font-size: 0.875rem;
}

.highlight-grid {
    margin-top: 1.5rem;
}

.highlight-card {
    text-align: center;
    padding: 1rem;
    background-color: var(--stone-50);
    border-radius: 0.5rem;
    transition: all 0.3s;
    box-shadow: none;
    transform: scale(1);
}

.highlight-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.highlight-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--stone-800);
    margin-bottom: 0.5rem;
}

.highlight-text {
    color: var(--stone-600);
    font-size: 0.875rem;
}

.feature-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background-color: var(--stone-50);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.disclaimer {
    background-color: var(--stone-50);
    border: 1px solid var(--stone-200);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.disclaimer-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.disclaimer-content .icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--stone-600);
    margin-left: 0;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.disclaimer-content h4 {
    color: var(--stone-800);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.disclaimer-content p {
    color: var(--stone-600);
    font-size: 0.875rem;
}

.cred-list {
    margin: 1rem 0 0;
    padding-left: 1.25rem;
    color: var(--stone-600);
    font-size: 0.875rem;
    line-height: 1.6;
}

.supporting-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.supporting-links .btn {
    min-width: unset;
}

.supporting-note {
    color: var(--stone-500);
    font-size: 0.8125rem;
    margin-top: 1rem;
}

/* Responsive Design */
@media (min-width: 640px) {
    .button-group {
        flex-direction: row;
    }

    h1 {
        font-size: 3rem;
    }
}

@media (min-width: 768px) {
    .hero {
        padding: 6rem 1rem;
    }

    .main-content {
        padding: 4rem 0;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 3.75rem;
    }
}

/* SVG Icons */
.svg-icon {
    display: inline-block;
    vertical-align: middle;
}