/* ====== BitBuzz Production — Stylesheet ====== */
:root{
  --navy:#093C5D;
  --navy-deep:#062b43;
  --blue:#3B7597;
  --cyan:#6FD1D7;
  --mint:#5DF8D8;
  --ink:#0a1822;
  --text:#e8f4f8;
  --muted:#a9c2cf;
  --white:#ffffff;
  --radius:18px;
  --shadow:0 18px 40px -18px rgba(0,0,0,.55);
  --grad:linear-gradient(135deg,var(--cyan),var(--mint));
  --grad-deep:linear-gradient(135deg,var(--navy),var(--blue));
  --maxw:1140px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:'Inter',sans-serif;
  background:var(--navy-deep);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
}
h1,h2,h3,.brand-text{font-family:'Sora',sans-serif;line-height:1.15;}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:90%;max-width:var(--maxw);margin:0 auto}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.85rem 1.6rem;border-radius:999px;font-weight:600;
  font-family:'Sora',sans-serif;font-size:.98rem;cursor:pointer;
  border:none;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
}
.btn-primary{background:var(--grad);color:var(--navy-deep);box-shadow:0 10px 28px -10px var(--mint);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px -10px var(--mint);}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid rgba(111,209,215,.45);}
.btn-ghost:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-3px);}
.btn-whatsapp{background:#25D366;color:#062b43;box-shadow:0 10px 28px -12px #25D366;}
.btn-whatsapp:hover{transform:translateY(-3px);}
.btn-block{width:100%;justify-content:center;}

/* ===== Navbar ===== */
.navbar{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  padding:.9rem 0;transition:background .3s ease,box-shadow .3s ease,padding .3s ease;
  background:rgba(6,43,67,.55);backdrop-filter:blur(10px);
}
.navbar.scrolled{background:rgba(6,43,67,.95);box-shadow:0 8px 30px -12px rgba(0,0,0,.6);padding:.6rem 0;}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.2rem}
.brand-logo{width:40px;height:40px}
.brand-accent{color:var(--mint);font-weight:600}
.nav-links{display:flex;align-items:center;gap:1.8rem}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--mint)}
.nav-links .nav-cta{background:var(--grad);color:var(--navy-deep);padding:.55rem 1.2rem;border-radius:999px;font-weight:600}
.nav-links .nav-cta:hover{color:var(--navy-deep);transform:translateY(-2px)}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.4rem;cursor:pointer}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:7rem 0 4rem;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(circle at 80% 20%, rgba(93,248,216,.18), transparent 45%),
    radial-gradient(circle at 15% 75%, rgba(59,117,151,.35), transparent 50%),
    linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(111,209,215,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(111,209,215,.06) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);
}
.hero-inner{position:relative;z-index:1;max-width:820px}
.badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(111,209,215,.12);border:1px solid rgba(111,209,215,.35);color:var(--cyan);padding:.4rem 1rem;border-radius:999px;font-size:.85rem;font-weight:500;margin-bottom:1.4rem}
.hero h1{font-size:clamp(2.1rem,5.5vw,3.7rem);font-weight:800;margin-bottom:1.2rem}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:var(--muted);max-width:640px;margin-bottom:2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:3rem}
.hero-stats{display:flex;flex-wrap:wrap;gap:2.5rem}
.stat strong{display:block;font-family:'Sora',sans-serif;font-size:1.8rem;color:var(--mint)}
.stat span{font-size:.9rem;color:var(--muted)}

/* ===== Sections ===== */
.section{padding:6rem 0}
.section-alt{background:linear-gradient(180deg,var(--navy-deep),var(--navy) 50%,var(--navy-deep))}
.section-tag{display:inline-block;color:var(--mint);font-weight:600;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.7rem}
.section h2{font-size:clamp(1.7rem,3.5vw,2.5rem);font-weight:700;margin-bottom:1rem}
.section-head{text-align:center;max-width:680px;margin:0 auto 3.2rem}
.section-lead{color:var(--muted)}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;align-items:center}
.about-grid p{color:var(--muted);margin-bottom:1rem}
.check-list{list-style:none;margin-top:1.4rem;display:grid;gap:.7rem}
.check-list li{display:flex;align-items:center;gap:.7rem}
.check-list i{color:var(--mint)}
.about-card{background:var(--grad-deep);border:1px solid rgba(111,209,215,.25);border-radius:var(--radius);padding:3rem 2rem;box-shadow:var(--shadow);text-align:center}
.about-card i{font-size:3rem;color:var(--mint);margin-bottom:1rem}
.about-card .quote{font-family:'Sora',sans-serif;font-size:1.35rem;font-weight:600;margin-bottom:.8rem}
.about-card span{color:var(--cyan);font-size:.9rem}

/* ===== Cards (Services) ===== */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.6rem}
.card{
  background:rgba(255,255,255,.035);border:1px solid rgba(111,209,215,.16);
  border-radius:var(--radius);padding:2rem 1.8rem;transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.card:hover{transform:translateY(-8px);border-color:rgba(93,248,216,.55);background:rgba(255,255,255,.06)}
.card-icon{width:58px;height:58px;border-radius:14px;display:grid;place-items:center;background:var(--grad);color:var(--navy-deep);font-size:1.5rem;margin-bottom:1.2rem}
.card h3{font-size:1.2rem;margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.96rem}
.card-cta{background:var(--grad-deep);border-color:rgba(93,248,216,.4)}
.card-link{display:inline-flex;align-items:center;gap:.5rem;margin-top:1rem;color:var(--mint);font-weight:600;font-family:'Sora',sans-serif}
.card-link:hover{gap:.8rem}

/* ===== Why ===== */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.6rem}
.why-item{text-align:center;padding:2rem 1.4rem;border-radius:var(--radius);background:rgba(255,255,255,.03);border:1px solid rgba(111,209,215,.14)}
.why-item i{font-size:2rem;color:var(--mint);margin-bottom:1rem}
.why-item h3{font-size:1.15rem;margin-bottom:.5rem}
.why-item p{color:var(--muted);font-size:.95rem}

/* ===== Process ===== */
.process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.6rem}
.process-step{position:relative;padding:2.2rem 1.6rem 1.8rem;border-radius:var(--radius);background:rgba(255,255,255,.035);border:1px solid rgba(111,209,215,.16);overflow:hidden}
.step-num{font-family:'Sora',sans-serif;font-size:2.6rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:block;margin-bottom:.4rem;opacity:.9}
.process-step h3{font-size:1.15rem;margin-bottom:.5rem}
.process-step p{color:var(--muted);font-size:.95rem}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.contact-info p{color:var(--muted);margin-bottom:1.6rem}
.contact-list{list-style:none;display:grid;gap:1rem;margin-bottom:1.8rem}
.contact-list a{display:flex;align-items:center;gap:1rem;padding:1rem 1.2rem;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid rgba(111,209,215,.16);transition:border-color .25s,transform .25s}
.contact-list a:hover{border-color:var(--mint);transform:translateX(4px)}
.contact-list i{font-size:1.4rem;color:var(--mint);width:32px;text-align:center}
.contact-list span{display:flex;flex-direction:column;font-size:.95rem}
.contact-list strong{font-family:'Sora',sans-serif;font-size:.8rem;color:var(--cyan);text-transform:uppercase;letter-spacing:.06em}

.contact-form{background:rgba(255,255,255,.04);border:1px solid rgba(111,209,215,.18);border-radius:var(--radius);padding:2.2rem;box-shadow:var(--shadow)}
.form-row{margin-bottom:1.1rem;display:flex;flex-direction:column;gap:.4rem}
.form-row label{font-size:.88rem;font-weight:500;color:var(--cyan)}
.form-row label span{color:var(--mint)}
.form-row input,.form-row select,.form-row textarea{
  background:rgba(6,43,67,.6);border:1px solid rgba(111,209,215,.25);border-radius:12px;
  padding:.8rem 1rem;color:var(--text);font-family:'Inter',sans-serif;font-size:.96rem;transition:border-color .2s,box-shadow .2s;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:#6f8a98}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(93,248,216,.15)}
.form-row select{cursor:pointer}
.form-row select option{background:var(--navy)}
.form-status{margin-top:1rem;font-size:.92rem;text-align:center;min-height:1.2em}
.form-status.success{color:var(--mint)}
.form-status.error{color:#ff8a8a}

/* ===== Footer ===== */
.footer{background:var(--ink);padding:3.5rem 0 0;border-top:1px solid rgba(111,209,215,.12)}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1.3fr;gap:2.5rem;padding-bottom:2.5rem}
.footer-brand{display:flex;flex-direction:column;gap:.9rem}
.footer-logo{width:52px;height:52px}
.footer-brand p{color:var(--muted);font-size:.95rem;max-width:280px}
.footer-links{display:flex;flex-direction:column;gap:.7rem}
.footer-links a{color:var(--muted);font-size:.95rem;transition:color .2s}
.footer-links a:hover{color:var(--mint)}
.footer-contact{display:flex;flex-direction:column;gap:.8rem}
.footer-contact a{color:var(--muted);font-size:.95rem;display:flex;align-items:center;gap:.6rem;transition:color .2s}
.footer-contact a:hover{color:var(--mint)}
.footer-contact i{color:var(--mint)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:1.3rem 0;text-align:center}
.footer-bottom p{color:#6f8a98;font-size:.88rem}

/* ===== Floating WhatsApp ===== */
.fab-wa{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;font-size:1.6rem;z-index:90;box-shadow:0 10px 26px -8px rgba(37,211,102,.6);transition:transform .25s;animation:pulse 2.2s infinite}
.fab-wa:hover{transform:scale(1.1)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:880px){
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:100%;left:0;width:100%;flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(6,43,67,.98);backdrop-filter:blur(12px);padding:0 5%;
    max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;border-top:1px solid rgba(111,209,215,.12);
  }
  .nav-links.open{max-height:380px;padding:1rem 5% 1.4rem}
  .nav-links a{width:100%;padding:.8rem 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-links .nav-cta{margin-top:.6rem;text-align:center}
  .hero{min-height:auto}
  .hero-stats{gap:1.8rem}
  .footer-inner{grid-template-columns:1fr;gap:1.8rem}
}