@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* ── DARK MODE (default) ── */
:root{
  /* Brand from logo */
  --blue:#2563eb;
  --blue2:#3b82f6;
  --purple:#7c3aed;
  --purple2:#9333ea;
  --grad:linear-gradient(135deg,#2563eb,#7c3aed);
  --grad2:linear-gradient(135deg,#3b82f6,#9333ea);

  /* Backgrounds */
  --bg:#050508;
  --bg2:#0a0a12;
  --card:#0f0f1a;
  --card2:#141424;

  /* Text */
  --white:#f8fafc;
  --gray:#94a3b8;
  --gray2:#64748b;

  /* Borders */
  --border:rgba(124,58,237,0.18);
  --border2:rgba(37,99,235,0.2);

  /* Nav */
  --nav-bg:rgba(5,5,8,0.88);
}

/* ── LIGHT MODE ── */
body.light-mode{
  --bg:#f0f4ff;
  --bg2:#e8eeff;
  --card:#ffffff;
  --card2:#f5f7ff;
  --white:#0f0f1a;
  --gray:#475569;
  --gray2:#64748b;
  --border:rgba(124,58,237,0.2);
  --border2:rgba(37,99,235,0.25);
  --nav-bg:rgba(240,244,255,0.92);
}

html{scroll-behavior:smooth}
body{font-family:'Poppins',sans-serif;background:var(--bg);color:var(--white);overflow-x:hidden;min-height:100vh;transition:background .3s,color .3s}
a{text-decoration:none;color:inherit}
button{font-family:'Poppins',sans-serif;cursor:pointer;border:none;outline:none}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 5%;height:70px;display:flex;align-items:center;justify-content:space-between;background:var(--nav-bg);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:background .3s}
.nav-left{display:flex;align-items:center}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:36px;width:36px;object-fit:contain}
.logo-text{font-size:20px;font-weight:800;letter-spacing:-0.5px;background:var(--grad2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-center{position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:2rem;align-items:center}
.nav-center a{font-size:13px;font-weight:500;color:var(--gray);transition:color .2s;letter-spacing:.3px}
.nav-center a:hover,.nav-center a.active{color:var(--white)}
.nav-right{display:flex;align-items:center;gap:1rem}
.nav-cta{background:var(--grad);color:#fff!important;padding:9px 22px;border-radius:7px;font-size:13px;font-weight:600;transition:opacity .2s;-webkit-text-fill-color:#fff!important}
.nav-cta:hover{opacity:.88}

/* ── THEME TOGGLE ── */
.theme-toggle{width:42px;height:24px;border-radius:12px;background:var(--border);border:1px solid var(--border);position:relative;cursor:pointer;transition:.3s;flex-shrink:0}
.theme-toggle::after{content:'';position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:var(--grad);transition:.3s}
body.light-mode .theme-toggle::after{left:21px}
.theme-toggle-wrap{display:flex;align-items:center;gap:7px}
.theme-toggle-wrap .ti{font-size:14px;color:var(--gray)}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;padding:4px}
.hamburger span{width:22px;height:2px;background:var(--white);border-radius:2px;transition:.3s}
.mobile-menu{display:none;position:fixed;top:70px;left:0;right:0;background:var(--bg2);padding:1.5rem 5%;flex-direction:column;gap:1rem;z-index:99;border-bottom:1px solid var(--border)}
.mobile-menu a{font-size:15px;font-weight:500;color:var(--gray);padding:.5rem 0;border-bottom:1px solid var(--border)}
.mobile-menu a:last-child{border:none}
.mobile-menu.open{display:flex}

/* ── BUTTONS ── */
.btn-primary{background:var(--grad);color:#fff;padding:13px 30px;border-radius:8px;font-size:14px;font-weight:700;transition:.2s;display:inline-block;border:none;cursor:pointer}
.btn-primary:hover{opacity:.88;transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--border);color:var(--white);padding:13px 30px;border-radius:8px;font-size:14px;font-weight:500;transition:.2s;display:inline-block;cursor:pointer;background:transparent}
.btn-ghost:hover{border-color:var(--purple);color:var(--purple2)}

/* ── SECTION LAYOUT ── */
section{padding:6rem 5%}
.section-label{font-size:11px;font-weight:600;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:2px;text-transform:uppercase;margin-bottom:1rem;display:inline-block}
.section-title{font-size:clamp(28px,4vw,50px);font-weight:800;line-height:1.08;letter-spacing:-1.5px;margin-bottom:1rem}
.accent{background:var(--grad2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-sub{color:var(--gray);font-size:16px;line-height:1.7;max-width:480px}

/* ── CARDS ── */
.svc-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:2rem;transition:.3s;position:relative;overflow:hidden}
.svc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);transform:scaleX(0);transition:.3s;transform-origin:left}
.svc-card:hover::before{transform:scaleX(1)}
.svc-card:hover{border-color:rgba(124,58,237,.35);transform:translateY(-4px)}
.svc-icon{width:48px;height:48px;background:linear-gradient(135deg,rgba(37,99,235,.15),rgba(124,58,237,.15));border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem;font-size:22px}
.svc-card h3{font-size:17px;font-weight:700;margin-bottom:.6rem}
.svc-card p{font-size:13.5px;color:var(--gray);line-height:1.65}

/* ── GLOW BG ── */
.glow-purple{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.1) 0%,transparent 70%);pointer-events:none}
.glow-blue{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.1) 0%,transparent 70%);pointer-events:none}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(124,58,237,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.03) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}

/* ── TAGS ── */
.tag{display:inline-block;font-size:10.5px;font-weight:600;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(124,58,237,.12));border:1px solid var(--border);border-radius:4px;padding:3px 10px;letter-spacing:.5px;color:var(--gray);margin:.2rem}

/* ── FOOTER ── */
footer{background:var(--bg2);border-top:1px solid var(--border);padding:4rem 5% 2rem}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand p{font-size:13.5px;color:var(--gray);line-height:1.7;margin-top:.75rem;max-width:260px}
.footer-col h4{font-size:11px;font-weight:600;color:var(--white);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:1rem}
.footer-col a{display:block;font-size:13.5px;color:var(--gray);margin-bottom:.6rem;transition:color .2s}
.footer-col a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid var(--border);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-bottom p{font-size:12.5px;color:var(--gray2)}
.footer-tagline{font-size:12px;font-weight:600;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ── CTA BAND ── */
.cta-band{background:linear-gradient(135deg,rgba(37,99,235,.07),rgba(124,58,237,.07));border:1px solid var(--border);border-radius:20px;padding:5rem 4rem;text-align:center;margin:0 5% 6rem}
.cta-band h2{font-size:clamp(28px,4vw,48px);font-weight:800;letter-spacing:-1.5px;margin-bottom:1rem}
.cta-band p{color:var(--gray);font-size:16px;margin-bottom:2.5rem}

/* ── TOAST ── */
.toast{position:fixed;bottom:2rem;right:2rem;background:var(--card2);border:1px solid var(--purple);border-radius:10px;padding:1rem 1.5rem;display:flex;align-items:center;gap:.75rem;font-size:14px;font-weight:500;z-index:999;transform:translateX(120%);transition:.4s cubic-bezier(.34,1.56,.64,1)}
.toast.show{transform:translateX(0)}

/* ── FADE IN ── */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ── FORM ── */
.form-group{margin-bottom:1.25rem}
.form-group label{display:block;font-size:11px;font-weight:600;color:var(--gray);letter-spacing:.8px;margin-bottom:.5rem;text-transform:uppercase}
.form-group input,.form-group textarea,.form-group select{width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:12px 16px;font-family:'Poppins',sans-serif;font-size:14px;color:var(--white);transition:.2s;resize:none}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--gray2)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px rgba(124,58,237,.12)}
.form-group textarea{height:130px}
.form-group select option{background:var(--bg2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* ── RESPONSIVE ── */
@media(max-width:768px){
  .nav-center{display:none}
  .hamburger{display:flex}
  .nav-right .nav-cta{display:none}
  .footer-top{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .cta-band{padding:3rem 2rem;margin:0 3% 4rem}
  section{padding:4rem 5%}
}
@media(max-width:480px){
  .footer-top{grid-template-columns:1fr}
}