:root {
    --bg-color: #0A0A0A;
    --accent-teal: #00E5CC;
    --accent-gold: #F5A623;
    --text-white: #FFFFFF;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-white);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-container {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.top-section {
    text-align: center;
    padding-top: 1vh;
}

.logo {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.subtext {
    font-size: clamp(0.9rem, 1.5vw, 1.2rem);
    opacity: 0.7;
    font-weight: 400;
}

/* Grid */
.middle-section {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 1.5rem;
    width: 100%;
    max-width: 900px;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.card:hover {
    background: rgba(0, 229, 204, 0.05);
    border-color: rgba(0, 229, 204, 0.3);
}

.card .icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.card .service-name {
    font-size: 1.2rem;
    font-weight: 700;
    text-align: center;
}

.card .checkmark {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    font-size: 1.5rem;
    color: var(--accent-gold);
    opacity: 0;
    transform: scale(0.5);
    transition: var(--transition);
}

/* Selected State */
.card.selected {
    border-color: var(--accent-teal);
    background: rgba(0, 229, 204, 0.05);
    box-shadow: 0 0 30px rgba(0, 229, 204, 0.3);
}

.card.selected .service-name {
    color: var(--accent-gold);
}

.card.selected .checkmark {
    opacity: 1;
    transform: scale(1);
}

/* Button */
.bottom-section {
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 2vh;
}

.cta-button {
    background-color: var(--accent-teal);
    color: #000;
    border: none;
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
    font-weight: 900;
    text-transform: uppercase;
    border-radius: 50px;
    text-decoration: none;
    display: none; /* Hidden by default */
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
    animation: fadeInUp 0.4s ease-out;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 229, 204, 0.4);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, auto);
        gap: 1rem;
    }
    .card {
        padding: 1.5rem 1rem;
    }
    .card .icon {
        font-size: 2.5rem;
    }
}