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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 4rem;
    padding-top: 1rem;
}

.logo {
    height: 90px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Main Content */
.main {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
}

.content-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.4rem;
    color: #666;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 500px;
}

/* App Screenshot */
.app-screenshot {
    display: flex;
    justify-content: center;
    align-items: center;
}

.screenshot-img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.screenshot-img:hover {
    transform: translateY(-5px);
}

/* Download Section */
.download-section {
    margin-top: 1rem;
}

.download-text {
    font-size: 1rem;
    color: #888;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.download-btn {
    display: inline-block;
    padding: 1.1rem 3rem;
    background-color: #007AFF;
    color: white;
    text-decoration: none;
    border-radius: 14px;
    font-size: 1.15rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.download-btn:hover {
    background-color: #0051D5;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4);
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0, 122, 255, 0.3);
}

/* Screenshots Section */
.screenshots-section {
    margin: 5rem 0 3rem;
    padding: 3rem 0;
}

.screenshots-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

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

.screenshot-grid-img {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: 25px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-grid-img:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.screenshot-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
    text-align: center;
}

/* Footer */
.footer {
    text-align: center;
    padding-top: 3rem;
    margin-top: auto;
    border-top: 1px solid #e5e5e5;
    color: #999;
    font-size: 0.9rem;
    padding-bottom: 2rem;
}

/* Tablet Responsive */
@media (max-width: 968px) {
    .main {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .content-left {
        align-items: center;
    }

    .subtitle {
        max-width: 100%;
    }

    .title {
        font-size: 3.5rem;
    }

    .screenshot-img {
        max-width: 320px;
    }

    .screenshots-section {
        margin: 4rem 0 2.5rem;
        padding: 2.5rem 0;
    }

    .screenshots-title {
        font-size: 2.2rem;
        margin-bottom: 2.5rem;
    }

    .screenshots-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .screenshot-grid-img {
        max-width: 220px;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem 1.5rem;
    }

    .header {
        margin-bottom: 2.5rem;
    }

    .logo {
        height: 70px;
    }

    .main {
        gap: 2.5rem;
        margin-bottom: 2rem;
    }

    .title {
        font-size: 2.8rem;
        margin-bottom: 1rem;
    }

    .subtitle {
        font-size: 1.2rem;
        margin-bottom: 2rem;
    }

    .app-screenshot {
        margin: 1rem 0;
    }

    .screenshot-img {
        max-width: 280px;
        border-radius: 25px;
    }

    .download-btn {
        padding: 1rem 2.5rem;
        font-size: 1.05rem;
    }

    .screenshots-section {
        margin: 4rem 0 2.5rem;
        padding: 2.5rem 0;
    }

    .screenshots-title {
        font-size: 2rem;
        margin-bottom: 2.5rem;
    }

    .screenshots-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .screenshot-grid-img {
        max-width: 200px;
    }

    .footer {
        padding-top: 2rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 1.25rem 1rem;
    }

    .header {
        margin-bottom: 2rem;
        padding-top: 0.5rem;
    }

    .logo {
        height: 60px;
    }

    .main {
        gap: 2rem;
    }

    .title {
        font-size: 2.2rem;
        margin-bottom: 0.75rem;
    }

    .subtitle {
        font-size: 1.05rem;
        margin-bottom: 1.5rem;
    }

    .screenshot-img {
        max-width: 100%;
        border-radius: 20px;
    }

    .download-text {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }

    .download-btn {
        padding: 0.95rem 2rem;
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
    }

    .screenshots-section {
        margin: 3rem 0 2rem;
        padding: 2rem 0;
    }

    .screenshots-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .screenshot-grid-img {
        max-width: 220px;
    }

    .footer {
        padding-top: 1.5rem;
        font-size: 0.85rem;
    }
}

/* Large Desktop */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }

    .title {
        font-size: 4.5rem;
    }

    .subtitle {
        font-size: 1.5rem;
    }

    .screenshot-img {
        max-width: 400px;
    }
}