/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--primary-gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="25" r="1" fill="white" opacity="0.05"/><circle cx="50" cy="50" r="1" fill="white" opacity="0.08"/><circle cx="25" cy="75" r="1" fill="white" opacity="0.06"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-text {
    text-align: center;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

.app-store-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 18px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.app-store-button:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-visual {
    display: flex;
    justify-content: center;
    gap: 32px;
    animation: fadeInUp 0.8s ease-out 0.8s both;
    position: relative;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #000000, #1a1a1a);
    border-radius: 40px;
    padding: 8px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.phone-mockup.secondary {
    transform: translateX(20px) translateY(40px);
    z-index: 1;
}

.phone-mockup.primary {
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 32px;
    position: relative;
    overflow: hidden;
}

.phone-screen.scanner {
    background-image: url('/img/appbg-3.png');
}

.phone-screen.results {
    background-image: url('/img/food-entry-screenshot.png');
    filter: brightness(1.1);
}

.flow-arrow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: rgba(255, 255, 255, 0.8);
    z-index: 10;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--background-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 24px;
    color: white;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    margin-top: 64px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: var(--shadow);
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 280px;
    margin: 0 auto;
}

/* Social Proof Section */
.social-proof {
    padding: 100px 0;
    background: var(--background-alt);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial {
    background: white;
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial-text {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.author-info h4 {
    font-weight: 600;
    color: var(--text-primary);
}

.author-info p {
    color: var(--text-light);
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--primary-gradient);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 24px;
}

.cta-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1.2fr;
        text-align: left;
        gap: 80px;
    }

    .hero-text {
        text-align: left;
        max-width: none;
    }

    .hero-cta {
        justify-content: flex-start;
    }

    .hero-visual {
        justify-content: flex-end;
    }

    .hero-title {
        font-size: 56px;
    }

    .steps-container::before {
        content: '';
        position: absolute;
        top: 40px;
        left: 10%;
        right: 10%;
        height: 2px;
        background: var(--border);
        z-index: 1;
    }

    .steps-container {
        position: relative;
    }

    .step {
        position: relative;
        z-index: 2;
    }
}

@media (max-width: 767px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .cta-title {
        font-size: 32px;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

    .phone-mockup.secondary,
    .flow-arrow {
        display: none;
    }

    .hero-visual {
        justify-content: center;
    }

    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        padding: 32px 24px;
    }

    .app-store-button {
        font-size: 16px;
        padding: 14px 24px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}