*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#03080f;
  --card:#080f1a;
  --border:#0e2a4a;
  --accent:#00c2ff;
  --accent2:#0066ff;
  --accent3:#00ff9d;
  --text:#e8f4ff;
  --muted:#4a7a9b;
  --green:#00ff9d;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Plus Jakarta Sans',sans-serif;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}

.topbar{position:relative;z-index:10;display:flex;align-items:center;justify-content:center;gap:16px;padding:11px 24px;background:linear-gradient(90deg,rgba(0,102,255,.08),rgba(0,194,255,.1),rgba(0,255,157,.06));border-bottom:1px solid rgba(0,194,255,.18);flex-wrap:wrap}
.topbar::after{content:'';position:absolute;bottom:0;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,rgba(0,194,255,.4),transparent)}
.topbar-text{font-size:13.5px;font-weight:600;color:rgba(232,244,255,.75);letter-spacing:.01em}
.topbar-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;background:linear-gradient(135deg,#0055dd,#00aaff);border-radius:100px;font-size:13px;font-weight:700;color:#fff;text-decoration:none;transition:box-shadow .2s,transform .2s;white-space:nowrap;box-shadow:0 2px 16px rgba(0,170,255,.35);letter-spacing:.01em}
.topbar-btn svg{flex-shrink:0}
.topbar-btn:hover{transform:translateY(-1px);box-shadow:0 4px 24px rgba(0,170,255,.55)}

.bg-layer{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg-layer::before{content:'';position:absolute;inset:0;background:
  radial-gradient(ellipse 70% 55% at 15% 0%,rgba(0,102,255,.13) 0%,transparent 60%),
  radial-gradient(ellipse 55% 45% at 85% 100%,rgba(0,194,255,.09) 0%,transparent 60%),
  radial-gradient(ellipse 40% 35% at 50% 50%,rgba(0,255,157,.04) 0%,transparent 70%)}
.bg-layer::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(0,194,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,194,255,.03) 1px,transparent 1px);background-size:48px 48px}

.wrap{position:relative;z-index:1;max-width:780px;margin:0 auto;padding:0 20px}

header{padding:72px 0 16px;text-align:center}
.chip{display:inline-flex;align-items:center;gap:8px;background:rgba(0,194,255,.08);border:1px solid rgba(0,194,255,.22);border-radius:100px;padding:7px 18px;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:32px;font-family:'Plus Jakarta Sans',sans-serif}
.chip-dot{width:6px;height:6px;background:var(--accent3);border-radius:50%;box-shadow:0 0 8px var(--accent3);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.8)}}
h1{font-family:'Space Grotesk',sans-serif;font-size:clamp(44px,9vw,82px);font-weight:700;line-height:1.13;letter-spacing:-.025em;margin-bottom:28px}
h1 em{font-style:normal;background:linear-gradient(110deg,#00ff9d 0%,#00c2ff 60%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.sub{font-size:clamp(15px,2.5vw,17px);color:var(--muted);max-width:480px;margin:0 auto 36px;line-height:1.85;font-weight:500}
mark{background:rgba(0,194,255,.1);color:#a8e6ff;font-weight:700;border-radius:5px;padding:1px 7px;white-space:nowrap;border:1px solid rgba(0,194,255,.18)}

.badge-row{display:flex;justify-content:center;gap:12px;margin-bottom:40px;flex-wrap:wrap}
.badge{display:flex;flex-direction:column;align-items:center;gap:4px;background:rgba(0,194,255,.06);border:1px solid rgba(0,194,255,.15);border-radius:14px;padding:14px 22px;min-width:90px}
.badge-val{font-family:'Space Grotesk',sans-serif;font-size:18px;font-weight:800;background:linear-gradient(120deg,#00ff9d,#00c2ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.badge-label{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

.btn-dl{display:inline-flex;align-items:center;gap:12px;padding:18px 40px;background:linear-gradient(135deg,#0066ff,#00c2ff,#00ff9d);border:none;border-radius:14px;font-family:'Plus Jakarta Sans',sans-serif;font-size:16px;font-weight:800;color:#fff;text-decoration:none;cursor:pointer;position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s;box-shadow:0 6px 40px rgba(0,194,255,.4);letter-spacing:.01em}
.btn-dl::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);pointer-events:none}
.btn-dl:hover{transform:translateY(-3px);box-shadow:0 14px 50px rgba(0,194,255,.6)}
.btn-dl:active{transform:translateY(-1px)}
.btn-dl svg{width:20px;height:20px;flex-shrink:0}
.btn-hint{margin-top:14px;font-size:12.5px;color:var(--muted);opacity:.7}

/* ── Instruction banner ── */
.instruction-banner{
  display:flex;align-items:center;gap:18px;
  background:linear-gradient(135deg,rgba(0,102,255,.12),rgba(0,194,255,.08));
  border:1px solid rgba(0,194,255,.3);
  border-radius:16px;padding:20px 24px;
  margin:60px 0 20px;
  position:relative;overflow:hidden;
}
.instruction-banner::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(to right,#0066ff,#00c2ff,#00ff9d)}
.instruction-banner--last{margin-top:60px}
.instruction-banner-icon{
  flex-shrink:0;width:48px;height:48px;border-radius:12px;
  background:rgba(0,194,255,.12);border:1px solid rgba(0,194,255,.25);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}
.instruction-banner-title{font-family:'Space Grotesk',sans-serif;font-size:17px;font-weight:800;color:var(--text);margin-bottom:4px}
.instruction-banner-sub{font-size:13px;color:var(--muted)}

/* ── Warn ── */
.warn{display:flex;gap:14px;align-items:flex-start;background:rgba(245,158,11,.05);border:1px solid rgba(245,158,11,.18);border-radius:14px;padding:16px 20px;margin-bottom:28px}
.warn svg{flex-shrink:0;color:#fbbf24;margin-top:1px}
.warn p{font-size:13.5px;color:#fcd34d;line-height:1.65;opacity:.9}

.warn-blue{background:rgba(0,194,255,.06);border-color:rgba(0,194,255,.2);margin-bottom:80px}
.warn-blue svg{color:var(--accent)}
.warn-blue p{color:#7dd3fc}

/* ── Steps ── */
.steps{display:flex;flex-direction:column;gap:3px;margin-bottom:16px}

.step{
  background:linear-gradient(160deg,rgba(255,255,255,.04) 0%,rgba(255,255,255,.015) 100%);
  border:1px solid var(--border);
  border-radius:18px;overflow:hidden;
  position:relative;
  transition:border-color .3s,box-shadow .3s,transform .2s;
  animation:fadeUp .5s ease both;
}
.step::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(to right,transparent,rgba(0,194,255,.1),transparent);pointer-events:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.step:hover{border-color:rgba(0,194,255,.35);box-shadow:0 0 0 1px rgba(0,194,255,.08),0 8px 32px rgba(0,102,255,.12)}
.step+.step{border-top-left-radius:6px;border-top-right-radius:6px}
.step:not(:last-child){border-bottom-left-radius:6px;border-bottom-right-radius:6px}
.step:first-child{border-radius:18px 18px 6px 6px}
.step:last-child{border-radius:6px 6px 18px 18px}
.step:only-child{border-radius:18px}

.step-head{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:0;padding:0}

.step-num-col{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 0;border-right:1px solid var(--border);position:relative}
.step-num-val{font-family:'Space Grotesk',sans-serif;font-size:12px;font-weight:800;letter-spacing:.06em;background:linear-gradient(135deg,#00ff9d,#00c2ff,#0066ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.step-body{padding:22px 24px}
.step-title{font-family:'Space Grotesk',sans-serif;font-size:16px;font-weight:700;line-height:1.35;margin-bottom:7px;color:var(--text)}
.step-desc{font-size:13.5px;color:var(--muted);line-height:1.7}
.step-desc b{color:#7dd3fc;font-weight:600}

.step-toggle-btn{padding:20px 22px;background:none;border:none;cursor:pointer;color:var(--muted);border-left:1px solid var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:color .2s,background .2s;min-width:64px;height:100%;align-self:stretch;outline:none}
.step-toggle-btn:hover{color:var(--accent);background:rgba(0,194,255,.06)}
.step-toggle-btn:focus-visible{outline:2px solid rgba(0,194,255,.4);outline-offset:-2px}
.step-toggle-btn svg{transition:transform .3s;flex-shrink:0}
.step-toggle-btn span{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.step-toggle-btn.active svg{transform:rotate(180deg)}
.step-toggle-btn.active{color:var(--accent)}

.step-img{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.4,0,.2,1)}
.step-img.open{max-height:600px;border-top:1px solid var(--border)}
.step-img-inner{padding:20px;display:flex;justify-content:center}
.step-img-inner img{width:auto;max-width:220px;max-height:440px;border-radius:20px;border:1px solid rgba(0,194,255,.15);box-shadow:0 16px 48px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.04);display:block;object-fit:contain;cursor:zoom-in}

/* ── Gmail block ── */
.gmail-block{display:flex;align-items:flex-start;gap:20px;background:linear-gradient(160deg,rgba(255,255,255,.04) 0%,rgba(255,255,255,.015) 100%);border:1px solid var(--border);border-radius:18px;padding:28px;margin-bottom:16px;position:relative;overflow:hidden}
.gmail-block::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(to right,transparent,rgba(0,194,255,.1),transparent);pointer-events:none}
.gmail-icon{flex-shrink:0;width:56px;height:56px;border-radius:14px;background:rgba(234,67,53,.1);border:1px solid rgba(234,67,53,.2);display:flex;align-items:center;justify-content:center;color:#ea4335}
.gmail-body{flex:1}
.gmail-title{font-family:'Space Grotesk',sans-serif;font-size:17px;font-weight:700;color:var(--text);margin-bottom:8px}
.gmail-desc{font-size:13.5px;color:var(--muted);line-height:1.7}
.gmail-desc b{color:#7dd3fc;font-weight:600}

/* ── Modal ── */
.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.88);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .25s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-img-wrap{position:relative;max-width:340px;width:100%}
.modal-img-wrap img{width:100%;border-radius:22px;border:1px solid rgba(255,255,255,.08);box-shadow:0 32px 80px rgba(0,0,0,.8);display:block}
.modal-close{position:absolute;top:-14px;right:-14px;width:36px;height:36px;background:#040d1a;border:1px solid var(--border);border-radius:50%;color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}
.modal-close:hover{background:#0e2a4a}

footer{text-align:center;padding:24px 0 52px;color:var(--muted);font-size:12.5px;border-top:1px solid var(--border)}