/* Global Styles */
:root {
    --primary-color: #4F46E5;
    /* Indigo 600 */
    --primary-hover: #4338CA;
    /* Indigo 700 */
    --secondary-color: #64748B;
    /* Slate 500 */
    --text-color: #0F172A;
    /* Slate 900 - Darker for better contrast */
    --text-light: #475569;
    /* Slate 600 */
    --bg-color: #ffffff;
    --bg-light: #F8FAFC;
    /* Slate 50 */
    --border-color: #E2E8F0;
    /* Slate 200 */
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --font-main: 'Noto Sans KR', sans-serif;
    --section-spacing: 8rem;
    /* Increased spacing for better breathability */
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.7;
    /* Increased line height */
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography & Hierarchy */
h1,
h2,
h3 {
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.03em;
}

/* Larger Hero Title */
h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-desc {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
    font-size: 1.25rem;
    color: var(--secondary-color);
}

.highlight {
    color: var(--primary-color);
    position: relative;
    white-space: nowrap;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 12px;
    background-color: rgba(79, 70, 229, 0.15);
    /* Softer highlight */
    z-index: -1;
    border-radius: 4px;
}

/* Layout */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--section-spacing) 0;
}

.bg-light {
    background-color: var(--bg-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    /* Rounded corners */
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px -1px rgb(79 70 229 / 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgb(79 70 229 / 0.4);
}

.btn-secondary {
    background-color: white;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-light);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

/* Hero Section */
.hero-section {
    padding: 10rem 0 8rem;
    text-align: center;
    background: radial-gradient(circle at top center, #F1F5F9, #ffffff 60%);
}

.hero-subtext {
    font-size: 1.5rem;
    margin-bottom: 3.5rem;
    color: var(--text-light);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Features Grid (How it works) */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 70, 229, 0.3);
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.simple-note {
    text-align: center;
    font-size: 1rem;
    color: var(--secondary-color);
    margin-top: 3rem;
    font-weight: 500;
}

/* Checklist (Target Audience) */
.checklist {
    max-width: 680px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.checklist li {
    display: flex;
    align-items: flex-start;
    /* Better alignment for multi-line text */
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.checklist li:last-child {
    margin-bottom: 0;
}

.checklist .icon {
    margin-right: 1.25rem;
    font-size: 1.4rem;
    line-height: 1;
    margin-top: 0.2rem;
}

/* Limitations Section */
.limitations-box {
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid #FECACA;
    /* Red 200 */
    background-color: #FEF2F2;
    /* Red 50 */
    border-radius: 1.5rem;
    padding: 4rem 3rem;
    text-align: center;
}

.limitations-box .section-title {
    color: #991B1B;
    /* Red 800 */
    margin-bottom: 1.5rem;
}

.limitations-list {
    text-align: left;
    display: inline-block;
    color: #7F1D1D;
    /* Red 900 */
    font-size: 1.1rem;
}

.limitations-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.limitations-list li::before {
    content: "•";
    position: absolute;
    left: 0.5rem;
    color: #EF4444;
    /* Red 500 */
    font-weight: bold;
    font-size: 1.5em;
    line-height: 1;
}

/* WordPress Recommendation */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto 4rem;
}

.benefits-grid li {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
    transition: transform 0.2s ease;
}

.benefits-grid li:hover {
    transform: scale(1.02);
    border-color: var(--primary-color);
}

.cta-wrapper {
    text-align: center;
}

/* Creator Section */
.creator-profile {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: white;
    /* Changed to white for clean look */
    padding: 5rem 4rem;
    /* More padding */
    border-radius: 2rem;
    box-shadow: var(--shadow-lg);
    /* Floating effect */
    border: 1px solid var(--border-color);
}

.creator-intro {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.services-list {
    margin-bottom: 3.5rem;
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 1.5rem;
    display: inline-block;
    width: 100%;
    max-width: 500px;
    text-align: left;
    /* Explicitly align text left */
}

.services-list h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: center;
    font-size: 1.35rem;
}

.services-list ul {
    padding: 0;
}

.services-list li {
    margin-bottom: 0.75rem;
    padding-left: 2rem;
    position: relative;
    font-size: 1.1rem;
}

.services-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 800;
}

.kakaotalk-link {
    display: inline-block;
    transition: transform 0.2s ease;
    max-width: 175px;
    /* Reduced to ~70% of original 250px */
    width: 100%;
}

.kakaotalk-link img {
    width: 100%;
    /* Responsive width */
    height: auto;
    display: block;
    border-radius: 12px;
    /* Smooth corners if image is square/rect */
}

.kakaotalk-link:hover {
    transform: scale(1.05);
    /* Proper hover effect */
    opacity: 0.95;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    font-size: 0.95rem;
    color: var(--secondary-color);
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    :root {
        --section-spacing: 5rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .hero-section {
        padding: 6rem 0 4rem;
    }

    .hero-subtext {
        font-size: 1.2rem;
    }

    .container {
        padding: 0 1.25rem;
    }

    .cta-group {
        flex-direction: column;
        align-items: stretch;
        max-width: 100%;
    }

    .creator-profile {
        padding: 3rem 1.5rem;
    }

    .limitations-box {
        padding: 2rem 1.5rem;
    }
}