/* RESET STANDAR */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    scroll-behavior: smooth;
}

:root {
    --bg-dark: #0b0f19;
    --bg-card: #151b2c;
    --primary: #2563eb;
    --neon-blue: #00f2fe;
    --neon-purple: #4facfe;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* NAVBAR HEADER */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary);
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 25px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--neon-blue);
}

.btn-nav {
    background: var(--primary);
    padding: 8px 18px;
    border-radius: 8px;
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.15), transparent 50%);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.text-gradient {
    background: linear-gradient(to right, #00f2fe, #4facfe, #9b51e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: 40px;
}

.hero-buttons a {
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    display: inline-block;
    margin-right: 15px;
    transition: transform 0.3s;
}

.hero-buttons a:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background: linear-gradient(to right, var(--primary), #1d4ed8);
    color: white;
}

.btn-secondary {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

/* SERVICES SECTION */
.services {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 50px;
}

.grid-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--bg-card);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 242, 254, 0.3);
}

.card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* PORTFOLIO SECTION */
.portfolio {
    padding: 50px 0 100px 0;
}

.grid-portfolio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
}

.portfolio-item {
    height: 280px;
    background: linear-gradient(45deg, #1e293b, #334155);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 15, 25, 0.9), transparent);
}

.portfolio-info {
    position: relative;
    z-index: 2;
}

.portfolio-info h4 {
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.portfolio-info p {
    color: var(--neon-blue);
    font-size: 0.9rem;
}

/* CONTACT SECTION */
.contact {
    padding: 100px 0;
    background: radial-gradient(circle at bottom center, rgba(37, 99, 235, 0.1), transparent 60%);
}

.contact-container {
    text-align: center;
    background-color: var(--bg-card);
    padding: 60px 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-container h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.contact-container p {
    color: var(--text-muted);
    margin-bottom: 35px;
}

.btn-wa {
    background-color: #25d366;
    color: white;
    border: none;
    padding: 16px 35px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.3s, background-color 0.3s;
}

.btn-wa:hover {
    transform: scale(1.05);
    background-color: #20ba5a;
}

/* FOOTER */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* RESPONSIVE LAYOUT HP */
@media (max-width: 768px) {
    nav { display: none; }
    .hero-content h1 { font-size: 2.3rem; }
    .grid-portfolio { grid-template-columns: 1fr; }
    .portfolio-item { height: 220px; }
}