* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #0b0f14;
    color: #e0fefe;
    line-height: 1.6;
}

/* HEADER */
header {
    text-align: center;
    padding: 30px 20px;
    border-bottom: 1px solid #00ffe1;
}

header h1 {
    font-size: 36px;
    color: #00ffe1;
}

header span {
    color: #7CFF00;
}

header p {
    color: #9ff;
    letter-spacing: 2px;
}

/* HERO */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: radial-gradient(circle at top, #0f2027, #000);
}

.hero h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.hero p {
    max-width: 500px;
    margin: auto;
    color: #c9ffff;
}

.btn {
    display: inline-block;
    margin-top: 25px;
    padding: 12px 30px;
    color: #000;
    background: #00ffe1;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background: #7CFF00;
}

/* SERVICES */
.services {
    padding: 60px 20px;
    text-align: center;

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: auto;
}


.services h2 {
    margin-bottom: 40px;
    color: #00ffe1;
}

.card {
    background: #111822;
    border: 1px solid #00ffe1;
    border-radius: 15px;
    padding: 30px;
    margin: 20px auto;
    max-width: 100p%;
    box-shadow: 0 0 20px #00ffe133;

}
.card h3 {
    margin-bottom: 15px;
    color: #7CFF00;
}

.card ul {
    list-style: none;
}

.card ul li {
    padding: 5px 0;
    border-bottom: 1px dashed #00ffe133;
}

/* CONTACT */
.contact {
    padding: 50px 20px;
    text-align: center;
    background: #080c11;
}

.contact h2 {
    color: #00ffe1;
    margin-bottom: 15px;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 15px;
    font-size: 14px;
    color: #7aa;
    background: #05080c;
}

/* RESPONSIVE */
@media (max-width: 600px) {
    .logo {
        height: 26px;
        max-height: 26px;
    }

    .site-header h1 {
        font-size: 26px;
    }
}

/* ============================= */
/* FLOATING WHATSAPP SVG NEON */
/* ============================= */

.wa-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 62px;
    height: 62px;
    background: #00ffe1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 15px #00ffe1,
        0 0 35px #00ffe133;
    animation: waPulse 2.5s infinite;
    z-index: 999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.wa-icon {
    width: 30px;
    height: 30px;
    fill: #000;
}

@keyframes waPulse {
    0% {
        box-shadow: 0 0 10px #00ffe1;
    }
    50% {
        box-shadow:
            0 0 22px #00ffe1,
            0 0 50px #00ffe133;
    }
    100% {
        box-shadow: 0 0 10px #00ffe1;
    }
}

.wa-float:hover {
    transform: scale(1.15);
    box-shadow:
        0 0 18px #7CFF00,
        0 0 45px #7CFF0033;
}

.wa-float:hover .wa-icon {
    fill: #000;
}
/* ===================================== */
/* ADAPTIVE DARK / LIGHT MODE WHATSAPP */
/* ===================================== */

/* DEFAULT (DARK MODE) */
.wa-float {
    background: #00ffe1;
    box-shadow:
        0 0 15px #00ffe1,
        0 0 35px #00ffe133;
}

.wa-icon {
    fill: #000;
}

/* DARK MODE EXPLICIT */
@media (prefers-color-scheme: dark) {
    .wa-float {
        background: #00ffe1;
        box-shadow:
            0 0 18px #00ffe1,
            0 0 45px #00ffe133;
    }

    .wa-icon {
        fill: #000;
    }
}

/* LIGHT MODE */
@media (prefers-color-scheme: light) {
    .wa-float {
        background: #25D366; /* WhatsApp green */
        box-shadow:
            0 0 12px #25D366,
            0 0 28px #25D36655;
    }

    .wa-icon {
        fill: #ffffff;
    }

    .wa-float:hover {
        box-shadow:
            0 0 18px #1ebe5d,
            0 0 40px #1ebe5d66;
    }
}
.services-title {
    text-align: center;
    color: #00ffe1;
    margin-bottom: 40px;
}
@media (max-width: 600px) {
    .logo {
        width: 22px;
    }

    .site-header h1 {
        font-size: 26px;
    }
}

/* ============================= */
/* HEADER + LOGO */
/* ============================= */

.site-header {
    text-align: center;
    padding: 30px 20px;
    border-bottom: 1px solid #00ffe1;
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.logo {
    width: auto;
    height: 50px;          /* NAIK DARI 22px */
    max-height: 50px;
    filter: drop-shadow(0 0 4px #00ffe1);
}

.brand {
    gap: 8px;   /* Jarak logo & teks dipersempit */
}

.site-header h1 {
    font-size: 36px;
    color: #00ffe1;
    animation: neonGlow 2.5s infinite;
}

.site-header h1 span {
    color: #7CFF00;
}
/* ===================================== */
/* HACKER MATRIX BACKGROUND (SOFT) */
/* ===================================== */

.hacker-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            180deg,
            rgba(0, 255, 225, 0.04) 0px,
            rgba(0, 255, 225, 0.04) 1px,
            transparent 1px,
            transparent 24px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(0, 255, 225, 0.03) 0px,
            rgba(0, 255, 225, 0.03) 1px,
            transparent 1px,
            transparent 20px
        );
    animation: hackerMove 30s linear infinite;
}

@keyframes hackerMove {
    from {
        background-position: 0 0, 0 0;
    }
    to {
        background-position: 0 1000px, 1000px 0;
    }
}
.hacker-bg::after {
    content: "101010100101001010010101010010101001010010101010010101001010";
    position: absolute;
    inset: 0;
    font-family: monospace;
    font-size: 14px;
    color: rgba(0, 255, 225, 0.06);
    letter-spacing: 12px;
    line-height: 22px;
    white-space: pre-wrap;
    animation: hackerText 40s linear infinite;
}

@keyframes hackerText {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-500px);
    }
}
/* ============================= */
/* NEON FLICKER TEXT ANIMATION */
/* ============================= */

@keyframes neonFlicker {
    0% {
        opacity: 1;
        text-shadow:
            0 0 5px #00ffe1,
            0 0 15px #00ffe1,
            0 0 30px #00ffe1;
    }
    45% {
        opacity: 0.95;
    }
    50% {
        opacity: 0.6;
        text-shadow: none;
    }
    55% {
        opacity: 1;
        text-shadow:
            0 0 5px #00ffe1,
            0 0 15px #00ffe1,
            0 0 30px #00ffe1;
    }
    100% {
        opacity: 1;
    }
}
.brand-title {
    animation: neonFlicker 4s infinite;
}