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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --shadow-medium: 0 12px 40px 0 rgba(31, 38, 135, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 50%, #f9fafb 100%);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Hero Section */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem 2rem;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    width: 100%;
}

.hero-title {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 300;
    color: var(--text-light);
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
}

.animation-container {
    margin: 2rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.geometric-animation {
    width: 160px;
    height: 160px;
    filter: drop-shadow(0 10px 30px rgba(99, 102, 241, 0.2));
}

.shape {
    transition: opacity 0.3s ease;
}

.hero-description {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--text-color);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Features Section */
.features {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    letter-spacing: -0.02em;
}

.feature-text {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Support Section */
.support {
    padding: 3rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.support-content {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
    letter-spacing: -0.03em;
}

.support-text {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-email {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.01em;
}

.contact-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-decoration: none;
    border-radius: 16px;
    font-weight: 600;
    font-size: 1.125rem;
    box-shadow: var(--shadow-medium);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    letter-spacing: 0.01em;
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px 0 rgba(99, 102, 241, 0.3);
}

.contact-button:active {
    transform: translateY(0);
}

/* Privacy Policy Section */
.privacy {
    padding: 3rem 2rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.privacy-content {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-soft);
}

.privacy-content .section-title {
    text-align: center;
    margin-bottom: 1.25rem;
}

.privacy-text {
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    text-align: left;
}

.privacy-updated {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        min-height: 60vh;
        padding: 2rem 1.5rem 1.5rem;
    }

    .features {
        padding: 2rem 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 1.5rem;
    }

    .support,
    .privacy {
        padding: 2rem 1.5rem;
    }

    .support-content,
    .privacy-content {
        padding: 2rem 1.5rem;
    }

    .geometric-animation {
        width: 140px;
        height: 140px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .contact-email {
        font-size: 1.25rem;
    }

    .contact-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}