:root {
    --primary: #ff4b2b; /* Using the vibrant orange/red from the logo */
    --primary-dark: #e03a1e;
    --bg-color: #ffffff;
    --text-main: #1a1a1a;
    --text-secondary: #666666;
    --border-color: #eaeaea;
    --card-bg: #fdfdfd;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-primary-small {
    background-color: var(--primary);
    color: white !important;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    transition: background-color 0.3s ease !important;
}

.btn-primary-small:hover {
    background-color: var(--primary-dark) !important;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 75, 43, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.download-buttons {
    display: flex;
    gap: 1rem;
}

.btn-store {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: #000;
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-store:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.btn-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.btn-text span {
    font-size: 0.65rem;
    opacity: 0.8;
}

.btn-text strong {
    font-size: 1.1rem;
    font-weight: 600;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.mockup {
    width: 300px;
    height: 600px;
    border: 12px solid #1a1a1a;
    border-radius: 40px;
    padding: 1rem;
    background: #fff;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 25px;
    background: #1a1a1a;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
}

.mockup-screen {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-bubble {
    padding: 1rem;
    border-radius: 20px;
    max-width: 80%;
    font-size: 0.9rem;
    animation: fadeIn 0.5s ease backwards;
}

.chat-bubble.left {
    background-color: #f1f1f1;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble.right {
    background-color: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    animation-delay: 0.5s;
}

.chat-bubble.burner {
    background-color: #fff0ed;
    color: var(--primary);
    border: 1px dashed var(--primary);
    animation-delay: 1s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Features */
.features {
    padding: 6rem 0;
    background-color: #fafafa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

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

.footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        margin: 0 auto 2.5rem;
    }
    
    .download-buttons {
        justify-content: center;
    }
}