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

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: #f4f6fb;
}

.site-header {
    background: linear-gradient(135deg, #1e293b, #334155);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 0.5px;
}

.brand span {
    color: #38bdf8;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #38bdf8;
}

.hero {
    text-align: center;
    padding: 6rem 2rem;
    background: linear-gradient(160deg, #e0f2fe, #f4f6fb 60%);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #0284c7, #7c3aed);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: #475569;
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, #0284c7, #7c3aed);
    color: #ffffff;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(124, 58, 237, 0.35);
}

.site-footer {
    background: linear-gradient(180deg, #0f172a, #020617);
    color: #94a3b8;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 3rem;
}

.footer-col h3 {
    color: #ffffff;
    font-size: 1.05rem;
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 0.6rem;
}

.footer-col h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 35px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, #38bdf8, #818cf8);
}

.footer-col p {
    font-size: 0.92rem;
    margin-bottom: 1.2rem;
}

.social-icons {
    display: flex;
    gap: 0.8rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #1e293b;
    color: #94a3b8;
    text-decoration: none;
    font-size: 1.1rem;
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.social-icon:hover {
    transform: translateY(-4px) scale(1.05);
    color: #ffffff;
}

.social-icon:nth-child(1):hover {
    background: #1da1f2;
}

.social-icon:nth-child(2):hover {
    background: #1877f2;
}

.social-icon:nth-child(3):hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.social-icon:nth-child(4):hover {
    background: #24292e;
}

.social-icon:nth-child(5):hover {
    background: #0a66c2;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.7rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.92rem;
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.footer-links a:hover {
    color: #38bdf8;
    padding-left: 6px;
}

.contact-links li {
    font-size: 0.92rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    min-width: 0;
    padding: 0.75rem 1rem;
    border-radius: 50px;
    border: 1px solid #334155;
    background: #1e293b;
    color: #ffffff;
    outline: none;
    transition: border-color 0.3s ease;
}

.newsletter-form input:focus {
    border-color: #38bdf8;
}

.newsletter-form input::placeholder {
    color: #64748b;
}

.newsletter-form button {
    padding: 0.75rem 1.3rem;
    border-radius: 50px;
    border: none;
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(56, 189, 248, 0.4);
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding: 1.2rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: #38bdf8;
}

@media (max-width: 700px) {
    .nav {
        flex-direction: column;
        gap: 0.8rem;
    }

    .nav-links {
        gap: 1.2rem;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
}