/* TungMail landing — premium dark privacy-email design */
.wrap{max-width:1200px;margin:0 auto;padding:0 26px}
.landing{overflow-x:hidden}

/* ---------- top nav ---------- */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(10,11,18,.72);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:22px;height:74px}
.nav-cta{margin-left:auto;display:flex;gap:12px;align-items:center}
.nav-cta .btn{padding:10px 18px}
@media(max-width:520px){.nav-cta .signin{display:none}}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 84px}
.hero::before{content:"";position:absolute;z-index:0;left:38%;top:-140px;width:900px;height:760px;
  background:radial-gradient(closest-side,rgba(99,102,241,.42),rgba(124,108,240,.16) 55%,transparent 72%);
  filter:blur(10px);pointer-events:none}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  padding:7px 14px;border-radius:999px;background:#ffffff0a;border:1px solid var(--line-2);color:var(--text-dim)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--secure-2);box-shadow:0 0 0 3px #10b98126}
.hero h1{font-size:clamp(44px,6.4vw,82px);line-height:.98;letter-spacing:-.035em;margin:22px 0 20px;font-weight:700;color:var(--cream)}
.hero h1 .grad{background:linear-gradient(110deg,var(--indigo-300),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:19px;color:var(--text-dim);max-width:500px;margin:0 0 30px;line-height:1.6}
.hero p.sub b{color:var(--cream);font-weight:600}

/* inline email-claim */
.claim{max-width:470px}
.claim-field{display:flex;align-items:center;background:#ffffff0a;border:1px solid var(--line-2);
  border-radius:14px;padding:4px 6px 4px 8px;transition:.15s ease}
.claim-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(99,102,241,.2);background:#ffffff10}
.claim-field input{flex:1;min-width:0;background:none;border:0;outline:none;font-family:inherit;
  font-size:16.5px;font-weight:500;color:var(--cream);padding:14px 6px 14px 6px}
.claim-field input::placeholder{color:#7d84a0;font-weight:400}
.claim-field .suffix{color:var(--text-dim);font-family:var(--mono);font-size:14.5px;padding:0 12px 0 4px;white-space:nowrap}
.claim .btn{width:100%;margin-top:12px;padding:16px;font-size:16px;border-radius:14px}
.claim-note{font-size:12.5px;color:var(--text-mute);margin:14px 0 0;display:flex;align-items:center;gap:7px}
.claim-note b{color:var(--text-dim)}

.trust{display:flex;gap:22px;margin-top:30px;color:var(--text-mute);font-size:13px;flex-wrap:wrap}
.trust span{display:inline-flex;align-items:center;gap:7px}
.trust b{color:var(--text-dim);font-weight:600}
.trust .tk{color:var(--secure-2)}
@media(max-width:920px){.hero-inner{grid-template-columns:1fr;gap:52px}.hero::before{left:10%}.claim,.hero p.sub{max-width:560px}}

/* ---------- hero visual: phone inbox mockup ---------- */
.hero-art{position:relative;display:flex;justify-content:center;align-items:center}
.hero-art::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(124,108,240,.55),transparent 70%);filter:blur(20px);z-index:0}
.phone{position:relative;z-index:1;width:min(340px,86vw);border-radius:42px;background:#05060b;
  padding:12px;border:1px solid #23263a;box-shadow:0 50px 90px -30px rgba(0,0,0,.8),0 0 0 1px #ffffff08}
.phone .screen{background:linear-gradient(180deg,#0f1018,#0a0b12);border-radius:32px;overflow:hidden;border:1px solid #ffffff0a}
.p-top{display:flex;justify-content:space-between;align-items:center;padding:14px 18px 8px;font-size:11px;color:var(--text-mute)}
.p-head{display:flex;align-items:center;gap:8px;padding:2px 18px 12px}
.p-head .ttl{font-family:var(--display);font-weight:700;font-size:22px;color:var(--cream)}
.p-head .ttl b{color:var(--indigo-400);margin-left:6px;font-size:15px;vertical-align:super}
.p-head .pav{margin-left:auto}
.mrow{display:flex;gap:11px;padding:12px 16px;border-top:1px solid #ffffff08}
.mrow .meta{flex:1;min-width:0}
.mrow .r1{display:flex;justify-content:space-between;gap:8px}
.mrow .nm{font-weight:600;font-size:13px;color:var(--cream)}
.mrow .tm{font-size:10.5px;color:var(--text-mute)}
.mrow .subj{font-size:12.5px;color:var(--text-dim);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mrow .prev{font-size:11.5px;color:var(--text-mute);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mrow .prev.secure{color:var(--secure-2)}
.p-tabs{display:flex;justify-content:space-around;align-items:center;padding:12px;border-top:1px solid #ffffff10;background:#080910}
.p-tabs span{font-size:10px;color:var(--text-mute);text-align:center}
.p-tabs .plus{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--indigo-500),var(--indigo-600));
  display:grid;place-items:center;color:#fff;font-size:22px;box-shadow:var(--glow)}

/* ---------- sections ---------- */
section.blk{padding:96px 0;position:relative}
.eyebrow{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--indigo-400);font-weight:600;margin-bottom:14px}
.sec-head{max-width:680px}
.sec-head.center{margin:0 auto;text-align:center}
h2.big{font-size:clamp(32px,4.2vw,52px);letter-spacing:-.03em;font-weight:700;margin:0 0 16px;color:var(--cream);line-height:1.04}
.lead{color:var(--text-dim);font-size:18px;max-width:620px;line-height:1.6;margin:0}
.sec-head.center .lead{margin:0 auto}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:34px;margin-top:56px;align-items:center}
@media(max-width:900px){.grid3{grid-template-columns:1fr}.grid2{grid-template-columns:1fr;gap:40px}}
.card{border-radius:20px;padding:28px;border:1px solid var(--line);
  background:linear-gradient(180deg,#14162200,#14162299),var(--card);transition:.18s ease}
.card:hover{border-color:#6366f14d;transform:translateY(-3px);box-shadow:0 30px 60px -34px rgba(99,102,241,.4)}
.card .ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;font-size:24px;margin-bottom:18px;
  background:linear-gradient(135deg,#6366f126,#6366f10d);border:1px solid #6366f13d}
.card.secure .ic{background:linear-gradient(135deg,#10b98126,#10b9810d);border-color:#10b9813d}
.card h3{margin:0 0 9px;font-size:20px;color:var(--cream);letter-spacing:-.01em}
.card p{margin:0;color:var(--text-dim);font-size:14.5px;line-height:1.62}

/* glow band wrapper (feature cards on a gradient) */
.band{position:relative;border-radius:32px;overflow:hidden;padding:64px 40px;
  background:linear-gradient(160deg,#1c1b46,#14152b 55%,#0f1020)}
.band::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(70% 90% at 50% -10%,rgba(129,140,248,.5),transparent 60%)}
.band>*{position:relative;z-index:1}

/* two-col trust block */
.trust-copy .eyebrow{margin-bottom:14px}
.checks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:16px}
.checks li{display:flex;gap:13px;color:var(--text-dim);font-size:15.5px;line-height:1.5}
.checks li b{color:var(--cream)}
.checks .tk{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:#10b9811f;color:#34d399;
  display:grid;place-items:center;font-size:12px;font-weight:700;border:1px solid #10b98140}

/* diagram / flow card */
.flowcard{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:12px 26px;box-shadow:var(--shadow-sm)}
.flowrow{display:flex;align-items:center;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.flowrow:last-child{border-bottom:0}
.flowrow .step{flex:0 0 auto;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(135deg,var(--indigo-500),var(--indigo-700));color:#fff;box-shadow:0 10px 24px -10px rgba(99,102,241,.6)}
.flowrow .ft b{display:block;font-size:15.5px;color:var(--cream);font-family:var(--display);font-weight:600}
.flowrow .ft span{font-size:13.5px;color:var(--text-dim)}
.flowcard.mono-rows .flowrow .ft b{font-family:var(--mono);font-weight:500;font-size:14px;letter-spacing:-.01em}

/* secure & reliable strip */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:52px}
@media(max-width:820px){.strip{grid-template-columns:repeat(2,1fr)}}
.scell{text-align:center;padding:30px 18px;border:1px solid var(--line);border-radius:18px;background:var(--card)}
.scell .si{font-size:26px;margin-bottom:12px}
.scell b{display:block;font-family:var(--display);font-size:16px;color:var(--cream);margin-bottom:6px}
.scell span{font-size:13px;color:var(--text-mute);line-height:1.5}

/* free callout (no paid tiers) */
.freecard{position:relative;border-radius:28px;overflow:hidden;margin-top:48px;text-align:center;
  padding:64px 32px;border:1px solid #6366f133;background:linear-gradient(160deg,#171634,#101020)}
.freecard::before{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(60% 80% at 50% 0%,rgba(99,102,241,.28),transparent 60%)}
.freecard>*{position:relative;z-index:1}
.freecard .price{font-family:var(--display);font-weight:700;font-size:74px;letter-spacing:-.04em;color:var(--cream);line-height:1;margin:6px 0 4px}
.freecard .price small{font-size:20px;color:var(--text-dim);font-weight:500;font-family:var(--font)}
.freecard .fsub{color:var(--text-dim);font-size:17px;max-width:520px;margin:0 auto 26px}
.free-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:28px}
.free-tags .chip{font-size:13px;padding:8px 14px}

/* ---------- FAQ ---------- */
.faq{margin-top:48px;display:grid;gap:12px;max-width:860px;margin-left:auto;margin-right:auto}
.qa{border:1px solid var(--line);border-radius:16px;padding:20px 22px;background:var(--card)}
.qa summary{font-family:var(--display);font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;
  color:var(--cream);font-size:16px}
.qa summary::-webkit-details-marker{display:none}
.qa summary span{color:var(--indigo-400);font-weight:400;transition:.2s;flex:0 0 auto}
.qa[open] summary span{transform:rotate(45deg)}
.qa p{color:var(--text-dim);font-size:14.5px;line-height:1.65;margin:15px 0 0}

/* ---------- final CTA ---------- */
.cta-final{position:relative;text-align:center;border-radius:30px;padding:84px 24px;margin-top:20px;overflow:hidden;
  background:linear-gradient(135deg,var(--indigo-600),var(--indigo-700))}
.cta-final::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 90% at 15% 0%,rgba(255,255,255,.16),transparent 55%),
  radial-gradient(60% 90% at 90% 100%,rgba(139,124,240,.4),transparent 55%)}
.cta-final>*{position:relative}
.cta-final h2{font-size:clamp(30px,4vw,50px);font-weight:700;letter-spacing:-.03em;margin:0 0 14px;color:#fff}
.cta-final p{color:#dcdcfb;font-size:18px;max-width:540px;margin:0 auto 30px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:64px 0 52px;color:var(--text-mute);font-size:13.5px;background:var(--bg-2)}
.foot-cols{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:32px;margin-bottom:40px}
.foot-cols p{margin:16px 0 8px;line-height:1.65;max-width:290px;color:var(--text-mute)}
.foot-cols h4{color:var(--cream);font-size:13px;margin:0 0 16px;font-family:var(--display);font-weight:600;letter-spacing:.01em}
.foot-cols a{display:block;color:var(--text-mute);padding:5px 0}
.foot-cols a:hover{color:var(--indigo-300)}
.foot-mail{color:var(--indigo-300);font-family:var(--mono);font-size:13px}
.foot-legal{border-top:1px solid var(--line);padding-top:24px;color:var(--text-mute);font-size:12.5px}
@media(max-width:760px){.foot-cols{grid-template-columns:1fr 1fr}}

/* Landing is non-selectable per spec (inputs remain usable) */
body.landing{-webkit-user-select:none;-moz-user-select:none;user-select:none}
body.landing input,body.landing textarea{-webkit-user-select:text;-moz-user-select:text;user-select:text}

/* live username availability on the claim field */
.claim-note.checking{color:var(--text-mute)}
.claim-note.ok{color:#34d399}
.claim-note.ok b{color:#34d399}
.claim-note.bad{color:#f0616a}