:root {
    --bg-color: #f7f7f8;
    --text-color: #10a37f;
    --text-primary: #000000;
    --text-secondary: #6e6e80;
    --btn-primary-bg: #10a37f;
    --btn-primary-hover: #1a7f64;
    --btn-secondary-bg: #ececf1;
    --btn-secondary-hover: #d9d9e3;
    --border-color: #e5e5e5;
    --card-bg: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #343541;
        --text-color: #10a37f;
        --text-primary: #ffffff;
        --text-secondary: #c5c5d2;
        --btn-primary-bg: #10a37f;
        --btn-primary-hover: #1a7f64;
        --btn-secondary-bg: #444654;
        --btn-secondary-hover: #545664;
        --border-color: #4d4d4f;
        --card-bg: #444654;
    }
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 24px;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 0;
    flex: 1;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.hero-content {
    max-width: 500px;
    text-align: left;
}

h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.action-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: white;
}

.btn-primary:hover {
    background-color: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 163, 127, 0.2);
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
}

.sys-req {
    font-size: 0.85rem !important;
    opacity: 0.8;
    margin-bottom: 0 !important;
}

/* App Mockup */
.hero-image-wrapper {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.app-mockup {
    width: 100%;
    max-width: 400px;
    background-color: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.mockup-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.dots {
    display: flex;
    gap: 6px;
}

.dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ed6a5e;
}

.dots span:nth-child(2) { background-color: #f4bf4f; }
.dots span:nth-child(3) { background-color: #61c554; }

.mockup-header .title {
    flex: 1;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.mockup-body {
    padding: 24px;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.chat-message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.avatar {
    width: 30px;
    height: 30px;
    background-color: var(--text-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-message .content {
    background-color: var(--btn-secondary-bg);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
}

/* Platforms Section */
.platforms {
    padding: 60px 0;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

.platforms h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
}

.platform-cards {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.card {
    background-color: var(--bg-color);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-4px);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

/* Footer */
footer {
    padding: 32px 0;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 16px;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 40px 0;
    }

    .hero-content {
        text-align: center;
    }

    h1 {
        font-size: 3rem;
    }

    .action-buttons {
        justify-content: center;
    }

    .footer-container {
        flex-direction: column;
        gap: 16px;
    }
}