/* Core styles */
:root{
  --brand:#1f3a8a;        /* navy */
  --accent:#10b981;       /* green accent */
  --ink:#0f172a;          /* slate-900 */
  --muted:#475569;        /* slate-600 */
  --bg:#ffffff;
  --card:#f8fafc;
  --ring:rgba(16,185,129,.4);
  --shadow:0 10px 25px rgba(2,6,23,.08);
  --radius:18px;
  --kyber-navy:#14213d;
  --kyber-orange:#ff7a00;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans";
  color:var(--ink); background:var(--bg); line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
.container{max-width:1100px;margin-inline:auto;padding:0 1rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.1rem;border-radius:999px;border:0;background:var(--accent);color:#fff;font-weight:700;text-decoration:none;box-shadow:var(--shadow);transition:transform .06s ease, box-shadow .2s ease}
.btn:hover{transform:translateY(-1px); box-shadow:0 14px 30px rgba(16,185,129,.25)}
.btn.secondary{background:transparent;border:2px solid var(--brand);color:var(--brand)}
.badge{display:inline-block;background:#e2e8f0;color:#0f172a;padding:.25rem .6rem;border-radius:999px;font-size:.8rem;font-weight:600}

/* NAV */
nav.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter: blur(6px);border-bottom:1px solid rgba(2,6,23,.06)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--brand);font-weight:900}
.brand .logo{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#1f3a8a,#60a5fa)}
.brand .logo svg{width:26px;height:26px;color:white}
.menu{display:flex;gap:1rem;align-items:center}
.menu a{color:var(--ink);text-decoration:none;font-weight:600;padding:.5rem .7rem;border-radius:12px}
.menu a:hover{background:#f1f5f9}
.hamburger{display:none;background:none;border:0;padding:.5rem}
.hamburger svg{width:26px;height:26px}

/* MOBILE MENU */
.mobile-panel{display:none;padding:0 0 1rem}
.mobile-panel a{display:block;padding:.75rem 1rem;margin:.25rem 0;color:var(--ink);text-decoration:none;border-radius:12px}
.mobile-panel a:hover{background:#f1f5f9}
.mobile-cta{margin: .25rem 1rem}

/* HERO */
.hero{position:relative;overflow:hidden;background: radial-gradient(1000px 400px at 10% -20%, #dbeafe 20%, transparent 50%), radial-gradient(800px 300px at 90% 0%, #dcfce7 10%, transparent 40%)}
.hero .inner{padding:3.2rem 0 2.2rem; display:grid; gap:2rem}
h1{font-size:clamp(1.8rem,3.5vw,3rem);line-height:1.2;margin:0 0 .6rem}
.lead{font-size:1.05rem;color:var(--muted);max-width:60ch}

/* Countdown timer */
.timer{display:flex; gap:.6rem; flex-wrap:wrap; align-items:center}
.timer .tile{background:linear-gradient(135deg,#1f3a8a,#3b82f6); color:white; border-radius:14px; padding:.8rem .9rem; min-width:90px; text-align:center; box-shadow:var(--shadow); border:1px solid rgba(255,255,255,.2)}
.timer .big{font-size:1.8rem;font-weight:900;letter-spacing:.02em}
.timer .label{font-size:.75rem;opacity:.9}
.deadline-card{background:linear-gradient(135deg,#dcfce7,#bbf7d0); border:1px solid #86efac}
.deadline-card h3{margin:.1rem 0 .4rem}
#tax-countdown{display:flex;gap:.6rem;flex-wrap:wrap}
.deadline-line{margin-top:.5rem;font-weight:700;color:#065f46}

/* CARDS */
.cards{display:grid;grid-template-columns:1fr;gap:1rem}
.card{background:var(--card);border:1px solid #e2e8f0;border-radius:var(--radius);padding:1.1rem;box-shadow:var(--shadow)}
.card h3{margin:.2rem 0 .5rem}
.card p{color:var(--muted)}
.card .icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:#eef2ff;color:#1f3a8a;margin-bottom:.4rem}

/* SECTIONS */
section{padding:2.2rem 0}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}
.section-title h2{margin:0;font-size:1.6rem}
.grid-2{display:grid;grid-template-columns:1fr;gap:1rem}
.grid-3{display:grid;grid-template-columns:1fr;gap:1rem}

/* FAQ */
.faq{border:1px solid #e2e8f0;border-radius:16px;overflow:hidden}
.faq details{border-bottom:1px solid #e2e8f0;background:white}
.faq details[open]{background:#f8fafc}
.faq summary{cursor:pointer;padding:1rem;font-weight:700;list-style:none}
.faq p{padding:0 1rem 1rem;color:var(--muted)}

/* Host banner (placeholder styling until exact provided) */
.host-banner{background:linear-gradient(90deg,var(--kyber-navy),#1f2937);color:#fff}
.host-banner .inner{display:flex;align-items:center;justify-content:center;gap:.6rem;padding:.7rem 1rem}
.host-banner strong{color:var(--kyber-orange)}

/* FOOTER */
footer{background:#0f172a;color:#e2e8f0}
footer a{color:#93c5fd;text-decoration:none}
.footer-grid{display:grid;grid-template-columns:1fr;gap:1rem;padding:2rem 0}
.footer-brand{display:flex;gap:.8rem;align-items:center}
.small{font-size:.9rem;color:#94a3b8}

/* CONTACT / FORMS */
.form{background:var(--card);padding:1rem;border:1px solid #e2e8f0;border-radius:var(--radius);box-shadow:var(--shadow)}
label{display:block;font-weight:700;margin:.6rem 0 .25rem}
input,textarea,select{width:100%;padding:.8rem;border:1px solid #cbd5e1;border-radius:12px;background:white;outline-color:var(--ring);font:inherit}
input:focus,textarea:focus,select:focus{box-shadow:0 0 0 4px var(--ring);border-color:#34d399}
.inline{display:flex;gap:.6rem;flex-wrap:wrap}
.notice{background:#ecfeff;color:#155e75;padding:.8rem;border-radius:12px;border:1px solid #a5f3fc}

/* UPLOAD */
.dropzone{display:grid;place-items:center;gap:.6rem;text-align:center;border:2px dashed #93c5fd;padding:1.5rem;border-radius:16px;background:#f8fafc}
.dropzone.dragover{background:#eff6ff;border-color:#3b82f6}
.file-list{margin:.8rem 0 0;display:grid;gap:.5rem}
.file-item{display:flex;justify-content:space-between;align-items:center;background:white;border:1px solid #e2e8f0;padding:.6rem;border-radius:12px}

/* MEDIA QUERIES */
@media(min-width:760px){
  .hero .inner{grid-template-columns:1.15fr .85fr;align-items:center;padding:4rem 0 3rem}
  .cards.grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-2{grid-template-columns:1.2fr .8fr}
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}
  .hamburger{display:none}
  .mobile-panel{display:none !important}
}
@media(max-width:759px){
  .menu{display:none}
  .hamburger{display:inline-grid}
  .mobile-panel.show{display:block}
}


/* v5 countdown refinements */
.deadline-card{ text-align:center }
.deadline-card h3.deadline-title{ font-size:1.2rem; letter-spacing:.02em; color:#064e3b; margin:.2rem 0 .6rem; font-weight:900 }
.timer{ justify-content:center }
.timer .tile{ min-width:92px; padding:1rem 1rem }
.timer .big{ font-size:2rem; font-weight:900; line-height:1; }
.deadline-line{ font-size:.95rem }


/* v5 host banner refinements */
.host-banner{background:#0b1220;color:#e5e7eb;border-top:1px solid #111827}
.host-banner .inner{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.55rem 1rem}
.host-banner strong{color:#ff7a00;font-weight:800;letter-spacing:.01em}

.kyber-banner{display:flex;align-items:center;justify-content:center;gap:.6rem;padding:.5rem .9rem;border-top:1px solid #ddd;background:#f2f2f2;color:#333;font-size:.9rem}
.kyber-banner img{height:14px}.kyber-banner .flag{height:14px;border-radius:2px;box-shadow:0 0 0 1px #0001}