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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    color: #1d1d1f;
    background: #fbfbfd url('phone.png') no-repeat;
    background-position: 65% bottom;
    background-size: auto 85vh;
    min-height: 100vh;
    overflow: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 120px 40px;
    height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    line-height: 1.05;
    text-shadow: 0 0 40px rgba(251, 251, 253, 1), 0 0 20px rgba(251, 251, 253, 0.9), 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-content .tagline {
    font-size: 24px;
    font-weight: 400;
    color: #6e6e73;
    margin-bottom: 40px;
    line-height: 1.4;
    max-width: 500px;
}

.hero {
    width: 100%;
}

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

.phone-preview {
    display: none;
}

@media (max-width: 768px) {
    .phone-preview {
        display: block;
        text-align: center;
        margin-top: 60px;
    }

    .phone-preview img {
        max-width: 280px;
        width: 100%;
        height: auto;
    }
}

.cta-group {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    text-decoration: none;
    border-radius: 980px;
    font-size: 17px;
    font-weight: 500;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn svg, .btn img {
    flex-shrink: 0;
}

.btn-primary {
    background: #0071e3;
    color: white;
}

.btn-secondary {
    background: #f5f5f7;
    color: #1d1d1f;
    border: none;
    cursor: pointer;
}

.footer-text {
    font-size: 14px;
    color: #86868b;
}

.footer-text a {
    color: #0071e3;
    text-decoration: none;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content {
    background: white;
    padding: 56px 48px 48px;
    border-radius: 24px;
    max-width: 500px;
    margin: 20px;
    text-align: center;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.35);
    animation: slideUp 0.3s ease;
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
}

.modal-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1d1d1f;
}

.modal-content p {
    color: #6e6e73;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    margin-top: 36px;
    justify-content: center;
}

@media (max-width: 1024px) {
    body {
        background-position: 55% bottom;
        background-size: auto 75vh;
    }
}

@media (max-width: 768px) {
    body {
        background: #fbfbfd;
        overflow-y: auto;
    }

    .container {
        padding: 60px 20px 50vh;
        height: auto;
        min-height: 100vh;
    }

    .hero {
        display: flex;
        flex-direction: column;
    }

    .hero-content {
        text-align: center;
        max-width: 100%;
        order: 1;
    }

    .hero-content h1 {
        font-size: 48px;
        text-shadow: none;
    }

    .hero-content .tagline {
        font-size: 21px;
        text-shadow: none;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .phone-preview {
        order: 2;
        margin-top: 60px;
        text-align: center;
        position: fixed;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        background: linear-gradient(to top, #fbfbfd 70%, transparent);
        padding-top: 40px;
        width: 70%;
        max-width: 400px;
    }

    .phone-preview img {
        max-width: 100%;
        width: 100%;
        height: auto;
        max-height: 45vh;
        display: block;
        margin: 0 auto;
    }
}