:root {
    --bg-color: #FDFFDD;
    --border-color: #1A1A1A;
    --border-width: 4px;
    --shadow-size: 8px;
    --pink: #FF90E8;
    --yellow: #FFDB58;
    --blue: #40E0D0;
    --green: #B2FF59;
}

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

body {
    background-color: var(--bg-color);
    font-family: 'Nunito', sans-serif;
    color: var(--border-color);
    overflow-x: hidden;
}

h1, h2, h3, .logo, .nav-btn, .action-btn {
    font-family: 'Fredoka One', cursive;
    text-transform: uppercase;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: #fff;
    border-bottom: var(--border-width) solid var(--border-color);
}

.logo {
    font-size: 2rem;
    color: var(--pink);
    text-shadow: 2px 2px 0 var(--border-color);
}

.nav-btn {
    text-decoration: none;
    background-color: var(--blue);
    color: var(--border-color);
    padding: 10px 20px;
    border: var(--border-width) solid var(--border-color);
    box-shadow: 4px 4px 0 var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--border-color);
}

/* Hero Section */
.hero {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 80px 5% 60px;
    gap: 40px;
}

.hero-content {
    flex: 1 1 500px;
}

.title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 3px 3px 0 var(--yellow);
}

.subtitle {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 30px;
    max-width: 500px;
}

.action-btn {
    display: inline-block;
    background-color: var(--pink);
    color: var(--border-color);
    text-decoration: none;
    font-size: 1.5rem;
    padding: 15px 30px;
    border: var(--border-width) solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-size) var(--shadow-size) 0 var(--border-color);
    transition: all 0.2s ease;
    cursor: pointer;
}

.action-btn:hover {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0 var(--border-color);
}

.action-btn:active {
    transform: translate(8px, 8px);
    box-shadow: 0 0 0 var(--border-color);
}

.hero-image {
    flex: 1 1 400px;
    display: flex;
    justify-content: center;
}

.mockup {
    background-color: var(--yellow);
    width: 300px;
    height: 400px;
    border: var(--border-width) solid var(--border-color);
    border-radius: 20px;
    box-shadow: 12px 12px 0 var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-family: 'Fredoka One', cursive;
    text-align: center;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Marquee Container */
.marquee-container {
    background-color: var(--border-color);
    color: var(--green);
    font-family: 'Fredoka One', cursive;
    padding: 15px 0;
    overflow: hidden;
    white-space: nowrap;
    border-top: var(--border-width) solid var(--border-color);
    border-bottom: var(--border-width) solid var(--border-color);
    display: flex;
}

.marquee-content {
    display: inline-block;
    animation: scroll 15s linear infinite;
    font-size: 1.5rem;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Features */
.features {
    padding: 80px 5%;
    text-align: center;
    background-color: #fff;
    border-bottom: var(--border-width) solid var(--border-color);
}

.section-title {
    font-size: 3rem;
    margin-bottom: 50px;
    text-shadow: 3px 3px 0 var(--blue);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    justify-content: center;
}

.card {
    padding: 40px 20px;
    border: var(--border-width) solid var(--border-color);
    border-radius: 12px;
    box-shadow: 8px 8px 0 var(--border-color);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

.card-pink { background-color: var(--pink); }
.card-yellow { background-color: var(--yellow); }
.card-blue { background-color: var(--blue); }

.card .icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.card p {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Download Section */
.download-section {
    padding: 100px 5%;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
}

.download-card {
    background-color: var(--green);
    border: var(--border-width) solid var(--border-color);
    border-radius: 20px;
    padding: 60px 40px;
    max-width: 600px;
    text-align: center;
    box-shadow: 12px 12px 0 var(--border-color);
}

.download-card h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.download-card p {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.big-btn {
    background-color: var(--pink);
    font-size: 1.8rem;
    padding: 20px 40px;
    border-radius: 16px;
    display: inline-block;
    margin-bottom: 15px;
}

.subtext {
    font-size: 0.9rem !important;
    color: #555;
    margin-bottom: 0 !important;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    background-color: var(--border-color);
    color: #fff;
    font-weight: 700;
}

footer p { margin-bottom: 5px; }

/* Responsive */
@media (max-width: 768px) {
    .title { font-size: 3rem; }
    .hero { flex-direction: column; text-align: center; }
    .subtitle { margin: 0 auto 30px; }
}