/* CSS Variables */
:root {
    --bg-primary: #0a0a0a;
    --bg-card: #141414;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-start: #6366f1;
    --accent-end: #8b5cf6;
    --gradient: linear-gradient(135deg, var(--accent-start), var(--accent-end));
    --border-color: #2a2a2a;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    z-index: 0;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 24px;
}

.logo {
    font-size: clamp(4rem, 15vw, 8rem);
    font-weight: 700;
    letter-spacing: 0.2em;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    animation: fadeInUp 1s ease forwards;
}

.catchcopy {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
}

.subcopy {
    font-size: clamp(1.25rem, 4vw, 2rem);
    font-weight: 300;
    margin-bottom: 48px;
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
}

.cta-button {
    display: inline-block;
    padding: 16px 48px;
    background: var(--gradient);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 50px;
    transition: transform var(--transition), box-shadow var(--transition);
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
}

/* Section Title */
.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 64px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Services Section */
.services {
    padding: 120px 0;
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    opacity: 0;
    transform: translateY(40px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-start);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    color: var(--accent-start);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-card) 100%);
}

.contact-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-size: 1.125rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #555;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-start);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
}

.error-message {
    display: block;
    margin-top: 8px;
    font-size: 0.875rem;
    color: #ef4444;
    min-height: 20px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    width: 100%;
    padding: 16px 32px;
    background: var(--gradient);
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
}

.submit-button:active {
    transform: translateY(0);
}

.form-success {
    display: none;
    text-align: center;
    padding: 48px;
    background: var(--bg-card);
    border: 1px solid var(--accent-start);
    border-radius: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.form-success.visible {
    display: block;
    animation: fadeInUp 0.5s ease forwards;
}

.form-success p {
    font-size: 1.125rem;
    line-height: 1.8;
}

/* Footer */
.footer {
    padding: 32px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .services {
        padding: 80px 0;
    }

    .contact {
        padding: 80px 0;
    }

    .section-title {
        margin-bottom: 48px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .service-card {
        padding: 32px 24px;
    }

    .cta-button {
        padding: 14px 36px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-content {
        padding: 16px;
    }

    .service-card {
        padding: 24px 20px;
    }

    .form-group input,
    .form-group textarea {
        padding: 14px;
    }
}