:root {
    --color-bg-dark: #1a1a2e;
    --color-bg-darker: #16213e;
    --color-accent: #7f5af0;
    --color-accent-light: #c4b5fd;
    --color-text-light: #e0e0e0;
    --color-text-dark: #2d2d2d;
    --color-bg-light: #f8f8fc;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--color-text-dark);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    position: sticky;
    top: 0;
    background: var(--color-bg-dark);
    z-index: 100;
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

nav a {
    color: var(--color-text-light);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--color-bg-dark), var(--color-bg-darker));
    color: var(--color-text-light);
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--color-accent-light);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 2rem;
    opacity: 0.85;
}

.cta {
    display: inline-block;
    background: var(--color-accent);
    color: #fff;
    padding: 0.8rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s;
}

.cta:hover {
    background: #6b46d9;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-dark {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
}

.section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.section-dark h2 {
    color: #fff;
}

.section p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

/* Services */
.services {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
}

.service-card {
    background: #fff;
    border: 1px solid #e8e8f0;
    border-radius: 8px;
    padding: 1.5rem;
    transition: border-color 0.2s;
}

.service-card:hover {
    border-color: var(--color-accent-light);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-bg-dark);
}

.service-card p {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 0;
}

/* Contact */
.contact-email {
    margin-top: 1rem;
}

.contact-email a {
    color: var(--color-accent);
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
}

.contact-email a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Responsive */
@media (min-width: 600px) {
    .services {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 500px) {
    .header-inner {
        flex-direction: column;
        gap: 0.5rem;
    }

    nav a {
        margin-left: 0;
        margin-right: 1rem;
        font-size: 0.85rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section {
        padding: 3rem 0;
    }
}