@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500&display=swap');

:root {
    --bg: #0B0C10;
    --surface: #1F2833;
    --primary: #66FCF1;
    --secondary: #45A29E;
    --text-main: #C5C6C7;
    --text-head: #FFFFFF;
    --accent: #FFA500;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    font-family: 'Rajdhani', sans-serif; 
    background-color: var(--bg); 
    color: var(--text-main); 
    line-height: 1.7; 
    font-size: 18px;
    padding-bottom: 80px;
}
a { text-decoration: none; transition: 0.3s; }

/* HEADER */
header { 
    background: rgba(11, 12, 16, 0.95); 
    border-bottom: 2px solid var(--primary); 
    padding: 15px 0; position: sticky; top: 0; z-index: 1000;
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.1);
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.header-row { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 2rem; font-weight: 700; color: var(--text-head); text-transform: uppercase; letter-spacing: 2px; }
.logo span { color: var(--primary); }

/* HERO */
.hero { 
    background: radial-gradient(circle at 50% 50%, #1f2833 0%, #0b0c10 100%); 
    padding: 6rem 1rem; text-align: center; 
    border-bottom: 1px solid var(--secondary);
    margin-bottom: 40px;
}
.hero h1 { 
    font-size: 3.5rem; margin-bottom: 20px; color: var(--text-head); 
    text-transform: uppercase; text-shadow: 0 0 10px rgba(102, 252, 241, 0.5);
}
.hero p { font-size: 1.4rem; color: var(--primary); margin-bottom: 30px; letter-spacing: 1px; }
.hero-btns { display: flex; gap: 20px; justify-content: center; }

/* BUTTONS */
.btn-neon { 
    background: transparent; color: var(--primary); 
    padding: 15px 40px; border: 2px solid var(--primary); 
    font-family: 'Roboto Mono', monospace; font-weight: 700; 
    text-transform: uppercase; letter-spacing: 1px; cursor: pointer;
    box-shadow: 0 0 10px rgba(102, 252, 241, 0.2);
    display: inline-block;
}
.btn-neon:hover { 
    background: var(--primary); color: #000; 
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.6); 
}
.btn-solid { 
    background: var(--secondary); color: #fff; 
    padding: 15px 40px; border-radius: 0; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px;
}

/* CONTENT CARDS */
.neon-card { 
    background: var(--surface); padding: 3rem; margin-bottom: 3rem; 
    border-left: 4px solid var(--secondary); 
    box-shadow: 5px 5px 15px rgba(0,0,0,0.3);
    border-radius: 4px;
}
.border-cyan { border-left: 4px solid var(--primary); }
.bg-surface { background: #151b22; }

.neon-card h2 { font-size: 2.2rem; color: var(--text-head); margin-bottom: 1.5rem; }
.neon-card h3 { font-size: 1.8rem; color: var(--primary); margin-bottom: 1.2rem; text-transform: uppercase; }
.neon-card p { margin-bottom: 1.2rem; }
.neon-list li { list-style: none; padding: 10px 0; border-bottom: 1px solid #333; }
.neon-list li::before { content: '>>'; color: var(--primary); margin-right: 10px; }

/* TECH GRID */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-bottom: 3rem; }
.tech-item { background: #000; padding: 20px; border: 1px solid var(--secondary); }
.tech-item h4 { color: var(--accent); margin-bottom: 10px; font-size: 1.3rem; }

/* TABLES */
.neon-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-family: 'Roboto Mono', monospace; font-size: 0.9rem; }
.neon-table th { background: var(--secondary); color: #fff; padding: 15px; text-align: left; }
.neon-table td { border-bottom: 1px solid #333; padding: 15px; color: var(--text-main); }

/* CODES */
.code-box { background: #111; padding: 15px; border: 1px solid #333; text-align: center; }
.code { display: block; font-family: 'Roboto Mono'; font-size: 1.2rem; color: var(--accent); margin-bottom: 10px; font-weight: bold; }

/* HIGHLIGHT */
.highlight-box { 
    background: rgba(102, 252, 241, 0.05); 
    border: 1px solid var(--primary); 
    padding: 20px; margin-top: 20px; 
    text-align: center; color: var(--text-head);
}

/* FOOTER */
footer { background: #000; padding: 4rem 0; text-align: center; border-top: 2px solid var(--secondary); color: #666; margin-top: 5rem; }
footer p { margin-bottom: 10px; font-size: 0.9rem; }

/* MOBILE BAR */
.float-bar { 
    position: fixed; bottom: 0; left: 0; width: 100%; 
    background: rgba(11, 12, 16, 0.95); backdrop-filter: blur(5px);
    border-top: 1px solid var(--primary); 
    display: flex; z-index: 2000; 
}
.float-btn { 
    flex: 1; padding: 15px; text-align: center; 
    font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    color: #000;
}
.fb-call { background: var(--primary); }
.fb-wa { background: var(--secondary); color: #fff; }

@media(max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero-btns { flex-direction: column; }
    .desktop-only { display: none; }
    .grid-2 { grid-template-columns: 1fr; }
}