:root {
    --color-primary: #0D9488;
    --color-secondary: #14B8A6;
    --color-accent: #0891B2;
    --color-accent-light: #A5F3FC;
    --color-text: #1E293B;
    --color-text-light: #64748B;
    --color-background: #F8FAFC;
    --color-white: #ffffff;
    --color-border: #E2E8F0;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 48px;
    width: auto;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

nav a {
    margin-left: 20px;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color 0.3s;
}

nav a:hover {
    color: var(--color-primary);
}

/* Hero Section */
.hero {
    padding: 6rem 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at top right, var(--color-accent-light) 0%, transparent 40%),
        radial-gradient(circle at bottom left, #D1FAE5 0%, transparent 40%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin-bottom: 2.5rem;
    color: var(--color-text-light);
}

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

.store-btn {
    background-color: #000000;
    color: white;
    border-radius: 12px;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.store-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.store-text {
    display: flex;
    flex-direction: column;
    align-items: start;
    font-size: 0.75rem;
    line-height: 1.2;
}

.store-text span {
    font-size: 1.1rem;
    font-weight: bold;
}

/* Screenshots Carousel */
.screenshots {
    padding: 4rem 0;
    background-color: var(--color-background);
    overflow: hidden;
}

.carousel-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 20px 0;
}

.carousel-track {
    display: flex;
    gap: 30px;
    width: max-content;
    transition: transform 0.5s ease;
}

.screenshot {
    width: 260px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.screenshot:hover {
    transform: scale(1.02);
}

.carousel-navigation {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 2rem;
}

.carousel-btn {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.carousel-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(13, 148, 136, 0.2);
}

/* Detailed Features Section */
.detailed-features {
    padding: 6rem 5%;
    background-color: var(--color-white);
    text-align: center;
}

.detailed-features h2 {
    font-size: 2.25rem;
    margin-bottom: 3rem;
    color: var(--color-text);
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 40px;
    background-color: var(--color-background);
    border-radius: 20px;
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-border);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(13, 148, 136, 0.1);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--color-text);
    font-weight: 700;
}

.feature-card p {
    color: var(--color-text-light);
    font-size: 1rem;
    margin: 0;
}

/* Footer (adjustment) */
footer {
    background-color: var(--color-background);
    padding: 4rem 5%;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero {
        padding: 4rem 5%;
    }

    .screenshot {
        width: 220px;
    }

    .policy-content {
        margin: 2rem 5%;
        padding: 2rem;
    }
}

/* Policy Content Section */
.policy-content {
    max-width: 800px;
    margin: 4rem auto;
    padding: 3rem;
    background-color: var(--color-white);
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
    text-align: left;
}

.policy-content h1 {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    color: var(--color-text);
    font-weight: 800;
}

.policy-content h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
    font-weight: 700;
}

.policy-content p,
.policy-content li {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 1.2rem;
}

.policy-content ul {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
}

.footer-links {
    margin-bottom: 1.5rem;
}

.footer-links a {
    margin: 0 15px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.copyright {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-top: 2rem;
}

.contact-email {
    color: var(--color-primary);
    font-weight: 600;
}