@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #3b82f6; /* Blue 500 */
    --primary-hover: #2563eb; /* Blue 600 */
    --secondary: #8b5cf6; /* Violet 500 */
    --bg-color: #f8fafc; /* Slate 50 */
    --text-primary: #0f172a; /* Slate 900 */
    --text-muted: #64748b; /* Slate 500 */
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(226, 232, 240, 0.8); /* Slate 200 */
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

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

/* Background Decorations */
.bg-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 800px;
    height: 800px;
    filter: blur(150px);
    opacity: 0.1;
    border-radius: 50%;
}

.blob-1 {
    background: var(--primary);
    top: -300px;
    right: -200px;
}

.blob-2 {
    background: var(--secondary);
    bottom: -300px;
    left: -200px;
}

/* Header */
header {
    padding: 1.25rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(20px);
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1.2px;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo i {
    color: var(--primary);
}

.logo span {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
}

.logo::after {
    content: 'PRO';
    font-size: 0.65rem;
    background: var(--primary);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 900;
    letter-spacing: 1px;
    margin-left: 2px;
}

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

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

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

.btn-login {
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    background: white;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

.btn-login:hover {
    background: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 6rem 10% 2rem 10%;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    line-height: 1.1;
    color: var(--text-primary);
}

.hero h1 span {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 3rem;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.btn-primary {
    padding: 1.1rem 2.2rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    padding: 1.1rem 2.2rem;
    background: white;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    border: 1px solid var(--glass-border);
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-color);
    transform: translateY(-3px);
}

.hero-image {
    width: 90%;
    max-width: 1000px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    background: white;
    padding: 10px;
}

.hero-image img {
    width: 100%;
    display: block;
    border-radius: 16px;
}

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

/* Features Section */
.features {
    padding: 8rem 10%;
}

.section-tag {
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    display: block;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 5rem;
    color: var(--text-primary);
}

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

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    transition: all 0.3s;
    cursor: default;
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--primary);
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Footer */
footer {
    padding: 3rem 10%;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
    background: white;
}

footer p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.credit {
    font-size: 0.8rem;
    font-weight: 600;
}

.credit a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.credit a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .cta-group {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }
    .btn-primary, .btn-secondary {
        text-align: center;
    }
}