:root{
      --bg:#0b1220;        /* deep navy */
      --card:#111827;      /* slate-900 */
      --soft:#0f172a;      /* slate-950 */
      --muted:#94a3b8;     /* slate-400 */
      --text:#e5e7eb;      /* gray-200 */
      --accent:#2563eb;    /* indigo-600 */
      --accent-2:#38bdf8;  /* sky-400 */
      --ring: rgba(56,189,248,.35);
      --radius: 18px;
      --shadow: 0 10px 30px rgba(0,0,0,.35);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,var(--bg),#0b1324 40%,#0b1528);color:var(--text)}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block;border-radius:12px}
    .container{width:min(1150px,90vw);margin-inline:auto}

    /* NAVBAR */
    header{position:sticky;top:0;z-index:30;background:rgba(11,18,32,.7);backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid rgba(148,163,184,.1)}
    .nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
    .brand{display:flex;gap:10px;align-items:center;font-weight:700}
    .logo{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 6px 20px rgba(37,99,235,.35)}
    .logo svg{width:22px;height:22px;color:white}
    .links{display:flex;gap:22px;align-items:center}
    .links a{font-weight:600;color:#cbd5e1;opacity:.9}
    .links a:hover{color:white}
    .cta{padding:10px 16px;background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;border-radius:14px;color:white;font-weight:700;box-shadow:0 10px 24px rgba(37,99,235,.35)}
    .menu-btn{display:none;background:transparent;border:0;color:#cbd5e1}

    /* HERO */
    .hero{display:grid;grid-template-columns:1.3fr .9fr;gap:36px;align-items:center;padding:70px 0 30px}
    .badge{display:inline-flex;gap:8px;align-items:center;padding:6px 10px;border:1px solid rgba(148,163,184,.25);border-radius:999px;color:#cbd5e1;font-size:.85rem}
    .title{font-size:clamp(34px,5vw,56px);line-height:1.08;margin:14px 0 10px}
    .subtitle{color:var(--muted);color:#cbd5e1;opacity:.85;margin:0 0 24px}
    .hero-cta{display:flex;gap:14px;flex-wrap:wrap}
    .btn{padding:12px 18px;border-radius:14px;font-weight:700;border:1px solid rgba(148,163,184,.25);background:#0c172a;color:#e2e8f0}
    .btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:white}

    .mock{background:linear-gradient(180deg,#0e1830,#0c1426);padding:18px;border-radius:18px;border:1px solid rgba(148,163,184,.2);box-shadow:var(--shadow)}
    .mock .bar{display:flex;gap:8px;padding:10px}
    .dot{width:10px;height:10px;border-radius:50%;background:#1f2937}
    .mock img{aspect-ratio:16/10;object-fit:cover;border:1px solid rgba(148,163,184,.2)}

    /* SECTIONS */
    section{padding:50px 0}
    h2{font-size:clamp(26px,3.5vw,36px);margin:0 0 20px}
    .lead{color:#cbd5e1;opacity:.85;max-width:68ch}

    /* PROJECTS */
    .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
    .card{background:linear-gradient(180deg,#0c1426,#0b1220);border:1px solid rgba(148,163,184,.18);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
    .card h3{margin:4px 0 6px}
    .tag{display:inline-block;margin-top:6px;padding:6px 10px;border-radius:999px;background:rgba(37,99,235,.12);border:1px solid rgba(37,99,235,.35);color:#cfe3ff;font-size:.8rem}
    .feat{color:#cbd5e1;opacity:.9}
    .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

  .google-form-infor {
  background: linear-gradient(180deg, #0c1426, #0b1220); /* same gradient as cards */
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 8px;
  padding: 15px 20px;
  margin: 20px 0;
  text-align: center;
  box-shadow: var(--shadow);
}

.google-form-infor p {
  font-size: 0.95rem;
  color: #cbd5e1; /* same light gray as features text */
  margin-bottom: 12px;
  opacity: 0.9;
}

.google-form-infor .btnn {
  background-color: rgba(37, 99, 235, 0.12); /* same blue tone as tags */
  border: 1px solid rgba(37, 99, 235, 0.35);
  color: #cfe3ff; /* light bluish text */
  padding: 8px 18px;
  text-decoration: none;
  border-radius: 5px;
  font-size: 0.9rem;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.google-form-infor .btnn:hover {
  background-color: rgba(37, 99, 235, 0.25); /* darker blue on hover */
  border-color: rgba(37, 99, 235, 0.5);
}



    /* ABOUT */
    .about{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .stack{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;border:1px solid rgba(148,163,184,.25);color:#cbd5e1}

    /* CONTACT */
    form{display:grid;gap:12px}
    input, textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(148,163,184,.25);background:#0b1426;color:#e5e7eb;outline:0}
    input:focus, textarea:focus{box-shadow:0 0 0 4px var(--ring)}
    textarea{min-height:120px;resize:vertical}
    .contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .contact-cards{display:grid;gap:12px}
    .mini{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid rgba(148,163,184,.2);border-radius:14px;background:#0b1426}

    /* FOOTER */
    footer{padding:28px 0;border-top:1px solid rgba(148,163,184,.12);color:#94a3b8}
    .foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

    /* UTIL */
    .hide{display:none}
    .float-wa{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#22c55e;box-shadow:0 10px 22px rgba(34,197,94,.45)}
    .float-wa svg{color:white;width:26px;height:26px}
    #toTop{position:fixed;right:18px;bottom:86px;border-radius:12px;padding:10px 14px;border:1px solid rgba(148,163,184,.25);background:#0b1426;color:#cbd5e1;display:none}

    /* MOBILE */
    @media (max-width: 880px){
      .hero{grid-template-columns:1fr;}
      .about,.grid,.contact-wrap{grid-template-columns:1fr}
     .links {
    display: none;
    flex-direction: column;
    gap: 15px;
    background: #0c1426;
    padding: 15px;
    position: absolute;
    top: 60px;
    right: 20px;
    border-radius: 8px;
    z-index: 1000;
  }
  .links.show {
    display: flex !important;
  }
      .menu-btn{display:block}
      nav.mobile{display:none;flex-direction:column;gap:14px;padding:12px 0}
      nav.mobile a{padding:10px 0;border-top:1px solid rgba(148,163,184,.1)}
      nav.mobile.show{display:flex}
    }