:root {
    --primary-gradient: linear-gradient(135deg, #FF7A45 0%, #FF3D7F 100%);
    --primary-color: #FF3D7F;
    --text-dark: #1F1F1F;
    --text-medium: #6B6B6B;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-full: 9999px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* Header */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.logo img {
    height: 2rem;
}

.nav-links {
    display: none;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: 2rem;
        font-weight: 500;
        color: var(--text-medium);
    }

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

/* Hero Section */
.hero {
    background: linear-gradient(to bottom, #F3E5F5 0%, #FFFFFF 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    background: var(--primary-gradient);
    color: white;
    padding: 0.75rem 2.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.125rem;
    box-shadow: 0 4px 14px 0 rgba(255, 61, 127, 0.39);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(255, 61, 127, 0.5);
    color: white;
}

.hero-image {
    margin-top: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Platforms Section */
.platforms {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-medium);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .platform-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.platform-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.platform-icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
}

.platform-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.platform-desc {
    font-size: 0.875rem;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.5rem;
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-full);
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.875rem;
    background: white;
    transition: all 0.2s;
    width: 100%;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: #FFF5F7;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-item {
    text-align: center;
    padding: 1rem;
}

.feature-icon-wrapper {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, #FFF0F5 0%, #FFF5E6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary-color);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--text-medium);
    line-height: 1.6;
}

/* Bottom CTA */
.bottom-cta {
    background: var(--primary-gradient);
    padding: 4rem 0;
    text-align: center;
    color: white;
}

.bottom-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.bottom-cta p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.btn-white {
    background: white;
    color: var(--primary-color);
    padding: 0.75rem 2.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.125rem;
    display: inline-block;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--bg-white);
    padding: 2rem 0;
    border-top: 1px solid #E5E7EB;
    text-align: center;
    color: var(--text-medium);
    font-size: 0.875rem;
}

/* Utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}