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

html {
    scroll-behavior: smooth;
}

body {
    background: #0b0f19;
    color: #f5f7ff;
    font-family: Arial, Helvetica, sans-serif;
}

.navbar {
    width: 100%;
    padding: 22px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(11, 15, 25, 0.85);
    position: fixed;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 85px;
    width: auto;
    display: block;
}

.navbar {
    width: 100%;
    padding: 14px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(11, 15, 25, 0.85);
    position: fixed;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.navbar ul {
    display: flex;
    gap: 28px;
    list-style: none;
}

.navbar a {
    color: #d7dcff;
    text-decoration: none;
    font-size: 0.95rem;
}

.navbar a:hover {
    color: #7c5cff;
}

.hero {
    min-height: 100vh;
    padding: 160px 8% 80px;
    display: flex;
    align-items: center;
    background:
        radial-gradient(circle at top left, rgba(124, 92, 255, 0.35), transparent 35%),
        radial-gradient(circle at bottom right, rgba(0, 195, 255, 0.20), transparent 35%),
        #0b0f19;
}

.hero-content {
    max-width: 900px;
}

.badge {
    display: inline-block;
    padding: 10px 16px;
    border: 1px solid rgba(124, 92, 255, 0.5);
    border-radius: 999px;
    color: #bdb4ff;
    margin-bottom: 24px;
    background: rgba(124, 92, 255, 0.08);
}

.hero h1 {
    font-size: clamp(2.5rem, 7vw, 5.8rem);
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.intro,
.section-intro {
    max-width: 760px;
    font-size: 1.15rem;
    color: #c7cbe0;
    line-height: 1.7;
}

.buttons {
    display: flex;
    gap: 16px;
    margin-top: 36px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 22px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
}

.primary {
    background: linear-gradient(135deg, #7c5cff, #00c3ff);
    color: white;
}

.secondary {
    border: 1px solid rgba(255,255,255,0.18);
    color: white;
}

.section {
    padding: 95px 8%;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 18px;
}

.cards {
    margin-top: 36px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.card {
    padding: 28px;
    border-radius: 22px;
    background: rgba(255,255,255,0.055);
    border: 1px solid rgba(255,255,255,0.08);
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
    transform: translateY(-8px) scale(1.03);
    border-color: rgba(124, 92, 255, 0.55);
    background: rgba(124, 92, 255, 0.10);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

.card h3 {
    margin-bottom: 14px;
}

.card p {
    color: #c7cbe0;
    line-height: 1.6;
    margin-bottom: 20px;
}

.card span {
    color: #8fdcff;
    font-weight: 700;
}

.about {
    background: rgba(255,255,255,0.025);
}

.about p,
.newsletter p,
.contact p {
    max-width: 880px;
    color: #c7cbe0;
    line-height: 1.8;
    font-size: 1.1rem;
    margin-top: 18px;
}

.newsletter {
    background:
        radial-gradient(circle at right, rgba(124, 92, 255, 0.20), transparent 35%),
        rgba(124, 92, 255, 0.06);
    border-top: 1px solid rgba(255,255,255,0.08);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.newsletter-form {
    margin-top: 30px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.newsletter-form input {
    padding: 15px 18px;
    min-width: 280px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.06);
    color: white;
    outline: none;
}

.newsletter-form input::placeholder {
    color: #9fa6c7;
}

.newsletter-form button {
    padding: 15px 22px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #7c5cff, #00c3ff);
}

.small-note {
    font-size: 0.9rem !important;
    color: #8f96b8 !important;
}

.contact .btn {
    margin-top: 28px;
}

footer {
    padding: 28px 8%;
    color: #8f96b8;
    border-top: 1px solid rgba(255,255,255,0.08);
}

@media (max-width: 1000px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .navbar ul {
        display: none;
    }
}

@media (max-width: 620px) {
    .cards {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 140px;
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }
}