/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Hero Section */
.hero {
    background: #000;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px 120px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(128, 107, 224, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    margin-bottom: 60px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease 0.2s forwards;
}

.download-btn {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease 0.4s forwards;
    transition: transform 0.2s ease;
}

.download-btn:hover {
    transform: scale(1.05);
}

.app-store-badge {
    height: 44px;
}

.hero-mockup {
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease 0.5s forwards;
}

.mockup-image {
    max-width: 320px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(128, 107, 224, 0.15));
}

/* Features Section */
.features {
    background: #fff;
    padding: 120px 24px;
}

.features-container {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: #000;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: rgba(0, 0, 0, 0.5);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 72px;
}

/* Feature Mockups */
.feature-mockups {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 80px;
    text-align: center;
}

.feature-mockup-item {
    max-width: 300px;
}

.feature-mockup-img {
    width: 200px;
    height: 260px;
    border-radius: 24px;
    object-fit: contain;
    margin-bottom: 20px;
}

.feature-mockup-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 6px;
}

.feature-mockup-item p {
    font-size: 0.9rem;
    color: rgba(0, 0, 0, 0.5);
    line-height: 1.5;
    font-weight: 300;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px 40px;
    text-align: left;
}

.feature-card {
    padding: 0;
}

.feature-icon {
    color: rgba(128, 107, 224, 1);
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.95rem;
    color: rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    font-weight: 300;
}

/* Showcase Section */
.showcase {
    background: #000;
    padding: 120px 24px;
}

.showcase-container {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 80px;
}

.showcase-text {
    flex: 1;
}

.showcase-text h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.showcase-text p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    font-weight: 300;
}

.showcase-mockup {
    flex-shrink: 0;
}

.mockup-image-small {
    max-width: 240px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(128, 107, 224, 0.15));
}

/* Privacy Section */
.privacy {
    background: #fff;
    padding: 100px 24px;
}

.privacy-container {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.privacy .section-title {
    margin-bottom: 24px;
}

.privacy-text {
    font-size: 0.95rem;
    color: rgba(0, 0, 0, 0.5);
    line-height: 1.8;
    font-weight: 300;
}

/* Footer */
.footer {
    background: #000;
    padding: 60px 24px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-container {
    max-width: 640px;
    margin: 0 auto;
}

.footer-brand {
    margin-bottom: 24px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: rgba(128, 107, 224, 1);
}

.footer-copy {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
}

/* Animations */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .feature-mockups {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .showcase-container {
        flex-direction: column-reverse;
        text-align: center;
        gap: 48px;
    }

    .hero {
        min-height: auto;
        padding: 100px 24px 80px;
    }

    .features {
        padding: 80px 24px;
    }

    .showcase {
        padding: 80px 24px;
    }

    .privacy {
        padding: 80px 24px;
    }
}

@media (max-width: 480px) {
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}