* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    background: #050816;
    color: #f5f5f5;
}

a {
    color: inherit;
    text-decoration: none;
}

.header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(5, 8, 22, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.logo span {
    color: #6ee7b7;
}

nav a {
    margin-left: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.85;
}
nav a:hover {
    opacity: 1;
    color: #6ee7b7;
}

.hero {
    padding: 6rem 0 4rem;
    background: radial-gradient(circle at top, #1f2937 0, #050816 55%);
}

.hero-content {
    display: flex;
    align-items: center;
    min-height: 320px;
}

.hero h1 {
    font-size: 2.3rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero p {
    max-width: 520px;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.btn-primary {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #22c55e, #14b8a6);
    color: #04101a;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 12px 30px rgba(34, 197, 94, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(34, 197, 94, 0.45);
}

.section {
    padding: 4rem 0;
}

.section-alt {
    background: #020617;
}

.section h2 {
    font-size: 1.7rem;
    margin-bottom: 1rem;
}

.section p {
    opacity: 0.9;
    margin-bottom: 2rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.card {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 1rem;
    padding: 1.4rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
    box-shadow: 0 14px 35px rgba(15, 23, 42, 0.6);
}
.card h3 {
    margin-bottom: 0.6rem;
}
.card p {
    opacity: 0.9;
    font-size: 0.95rem;
}

.contact-form {
    max-width: 480px;
}
.field {
    margin-bottom: 1rem;
}
.field label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}
.field input,
.field textarea {
    width: 100%;
    border-radius: 0.75rem;
    border: 1px solid rgba(148, 163, 184, 0.5);
    padding: 0.7rem 0.9rem;
    background: rgba(15, 23, 42, 0.9);
    color: #f9fafb;
}
.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: #22c55e;
    box-shadow: 0 0 0 1px #22c55e33;
}

.footer {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    background: #020617;
    font-size: 0.85rem;
    text-align: center;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding-top: 5rem;
    }
    .hero-content {
        min-height: auto;
    }
    nav a {
        margin-left: 0.8rem;
        font-size: 0.85rem;
    }
    .hero h1 {
        font-size: 1.9rem;
    }
}