:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-dash: #38bdf8;
    --accent-rpa: #2dd4bf;
    --accent-bot: #4ade80;
    --accent-intel: #818cf8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Sarabun', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(56, 189, 248, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 80% 70%, rgba(45, 212, 191, 0.15) 0%, transparent 40%);
    z-index: -1;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent-dash), var(--accent-rpa));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--accent-dash);
}

section {
    padding: 8rem 10% 4rem;
    min-height: 100vh;
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to bottom, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 3rem;
}

.cta-button {
    padding: 1rem 2.5rem;
    background: linear-gradient(45deg, var(--accent-dash), var(--accent-rpa));
    border: none;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(56, 189, 248, 0.3);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.product-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
}

.card-dash::before { background: var(--accent-dash); }
.card-rpa::before { background: var(--accent-rpa); }
.card-bot::before { background: var(--accent-bot); }
.card-intel::before { background: var(--accent-intel); }

.product-card:hover {
    transform: translateY(-15px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--glass-shadow);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.product-card h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.product-card h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.product-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.product-card ul li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.product-card ul li::before {
    content: '✓';
    margin-right: 10px;
    color: var(--accent-dash);
    font-weight: bold;
}

.card-rpa ul li::before { color: var(--accent-rpa); }
.card-bot ul li::before { color: var(--accent-bot); }
.card-intel ul li::before { color: var(--accent-intel); }

.feature-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: var(--accent-dash);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-header {
    margin-bottom: 2rem;
    text-align: center;
}

.modal-header h2 {
    font-size: 1.8rem;
    background: linear-gradient(to right, var(--accent-rpa), var(--accent-bot));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-rpa);
    background: rgba(255, 255, 255, 0.1);
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.success-box {
    text-align: center;
    padding: 2rem;
    display: none;
}

.success-box code {
    display: block;
    background: #000;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    color: var(--accent-rpa);
    text-align: left;
    font-family: monospace;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .product-grid { grid-template-columns: 1fr; }
    header { padding: 1.5rem 5%; }
    nav { display: none; }
}