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

body {
    font-family: 'Inter', sans-serif;
    color: #2d3748;
    background-color: #f7fafc;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Typography & Elements --- */
h1, h2, h3 {
    color: #1a202c;
    font-weight: 800;
}

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

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: #ff4757; /* Energizing coral/red */
    color: #fff;
}

.btn-primary:hover {
    background-color: #e84118;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

.btn-block {
    display: block;
    text-align: center;
    width: 100%;
}

/* --- Navbar --- */
.navbar {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo span {
    color: #ff4757;
}

.nav-links a {
    margin-left: 20px;
    font-weight: 600;
    font-size: 0.95rem;
}

/* --- Hero Section --- */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #fff 0%, #f1f2f6 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-content .highlight {
    color: #ff4757;
}

.hero-content p {
    font-size: 1.15rem;
    color: #4a5568;
    margin-bottom: 30px;
}

.cta-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.cta-note {
    font-size: 0.85rem;
    color: #718096;
    padding-left: 5px;
}

/* Hero App Mockup */
.hero-image-placeholder {
    background: #2f3542;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 350px;
}

.mock-app {
    text-align: center;
}

.mock-app .timer {
    font-size: 5rem;
    font-weight: 800;
    color: #ff4757;
    margin: 10px 0;
}

/* --- Features Section --- */
.features {
    padding: 80px 0;
    background: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.card .icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.card h3 {
    margin-bottom: 10px;
}

/* --- Pricing Section --- */
.pricing {
    padding: 80px 0;
    background: #f7fafc;
}

.price-card {
    background: #fff;
    max-width: 450px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 16px;
    border: 2px solid #ff4757;
    position: relative;
    box-shadow: 0 10px 30px rgba(255, 71, 87, 0.05);
    text-align: center;
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #ff4757;
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 15px 0 0 0;
}

.price span {
    font-size: 1.2rem;
    color: #718096;
}

.price-subtitle {
    color: #718096;
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.features-list {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.features-list li {
    padding: 10px 0;
    border-bottom: 1px solid #edf2f7;
    color: #4a5568;
}

/* --- Footer --- */
.footer {
    background: #1a202c;
    color: #a0aec0;
    padding: 40px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .cta-group {
        align-items: center;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}