*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',-apple-system,sans-serif;background:#FBFBFD;color:#1D1D1F;overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none}
:root{--blue:#0071E3;--blue-d:#0051A2;--green:#34C759;--text:#1D1D1F;--mid:#6E6E73;--bg:#FBFBFD;--white:#fff;--border:#D2D2D7;--surf:#F5F5F7;--radius:14px;--ease:cubic-bezier(0.4,0,0.2,1)}

/* NAV */
#navbar{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(251,251,253,.88);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08);transition:box-shadow .3s}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.05rem;color:var(--text)}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{color:var(--mid);font-size:.85rem;font-weight:500;transition:color .2s}
.nav-menu a:hover{color:var(--text)}
.nm-ghost{color:var(--blue) !important;font-weight:500}
.nm-solid{background:var(--blue);color:#fff !important;padding:7px 16px;border-radius:20px;font-size:.82rem !important;font-weight:600 !important;transition:all .25s var(--ease) !important}
.nm-solid:hover{background:var(--blue-d);transform:translateY(-1px)}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.hamburger span{display:block;width:20px;height:1.5px;background:var(--text);border-radius:2px;transition:all .25s var(--ease)}
.hamburger.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.hamburger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:80px 24px 60px;text-align:center}
.hero-inner{max-width:900px;width:100%}
.eyebrow{color:var(--blue);font-size:.78rem;font-weight:600;letter-spacing:.3px;margin-bottom:18px;display:block;animation:fadeInDown .6s ease both}
h1{font-size:clamp(3rem,7vw,6rem);font-weight:800;letter-spacing:-3px;line-height:1.03;margin-bottom:18px;animation:fadeInUp .6s .1s ease both}
.hero-p{color:var(--mid);font-size:1.1rem;line-height:1.65;max-width:520px;margin:0 auto 36px;animation:fadeInUp .6s .2s ease both}
.hero-actions{display:flex;gap:14px;justify-content:center;margin-bottom:60px;animation:fadeInUp .6s .3s ease both}
.ha-primary{background:var(--blue);color:#fff;padding:14px 28px;border-radius:30px;font-weight:600;font-size:.95rem;transition:all .25s var(--ease)}
.ha-primary:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,113,227,.3)}
.ha-ghost{color:var(--blue);font-weight:600;font-size:.95rem;display:flex;align-items:center;padding:14px 0}

/* Browser Frame */
.browser-frame{background:var(--white);border-radius:16px;box-shadow:0 32px 80px rgba(0,0,0,.11),0 0 0 1px rgba(0,0,0,.06);overflow:hidden;max-width:800px;margin:0 auto;text-align:left;animation:fadeInUp .6s .4s ease both}
.bf-bar{background:#F5F5F7;padding:11px 14px;display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--border)}
.bfd{width:11px;height:11px;border-radius:50%}
.bfd.r{background:#FF5F57}.bfd.y{background:#FEBC2E}.bfd.g{background:#28C840}
.bf-addr{flex:1;text-align:center;font-size:.72rem;color:var(--mid);background:var(--white);border:1px solid var(--border);border-radius:5px;padding:3px 10px;margin-left:6px}
.bf-body{display:flex}
.bf-sidebar{width:150px;padding:12px 8px;background:#FAFAFA;border-right:1px solid var(--border);flex-shrink:0}
.bfs{padding:9px 10px;border-radius:7px;font-size:.76rem;color:var(--mid);margin-bottom:2px;cursor:default}
.bfs.active{background:#EFF6FF;color:var(--blue);font-weight:600}
.bf-main{flex:1;padding:16px;overflow:hidden}
.bfm-label{font-size:.7rem;color:var(--mid);font-weight:600;margin-bottom:12px;text-transform:uppercase;letter-spacing:.4px}
.bfm-stats{display:flex;gap:10px;margin-bottom:16px}
.bfms{flex:1;background:var(--surf);border-radius:8px;padding:10px;text-align:center}
.bfms-n{font-weight:700;font-size:1.1rem}
.bfms-l{font-size:.65rem;color:var(--mid);margin-top:2px}
.bfm-row{display:flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px solid var(--border)}
.bfm-row:last-child{border:none}
.bfmr-url{font-size:.74rem;color:var(--text);width:130px;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bfmr-url b{color:var(--blue)}
.bfmr-bar{flex:1;height:5px;background:#EEF2FF;border-radius:3px;overflow:hidden}
.bfmr-fill{height:100%;background:var(--blue);border-radius:3px}
.bfmr-n{font-size:.7rem;color:var(--mid);width:32px;text-align:right;flex-shrink:0}

/* SHORTENER */
.shortener-section{padding:80px 24px;text-align:center;border-top:1px solid var(--border)}
.ss-inner{max-width:640px;margin:0 auto}
.ss-inner h2{font-size:2rem;font-weight:700;letter-spacing:-1px;margin-bottom:8px}
.ss-inner > p{color:var(--mid);margin-bottom:28px}
.ss-form{display:flex;background:var(--white);border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.05);transition:border-color .3s,box-shadow .3s}
.ss-form:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,113,227,.1),0 4px 20px rgba(0,0,0,.05)}
.ss-form input{flex:1;padding:15px 18px;border:none;outline:none;font-size:.93rem;font-family:'Inter',sans-serif;color:var(--text);min-width:0}
.ss-form input::placeholder{color:#B0B0B7}
.ss-form button{flex-shrink:0;background:var(--blue);color:#fff;border:none;padding:15px 24px;font-weight:600;font-size:.88rem;cursor:pointer;font-family:'Inter',sans-serif;display:flex;align-items:center;gap:8px;transition:background .2s}
.ss-form button:hover{background:var(--blue-d)}
.sb-spin{display:none;width:15px;height:15px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
button.loading .sb-txt{display:none}
button.loading .sb-spin{display:block}
.ss-result{display:none;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding:13px 18px;background:#F0FFF4;border:1.5px solid #A3F0B5;border-radius:var(--radius)}
.ss-result.show{display:flex;animation:fadeUp .3s ease}
.ssr-left{display:flex;align-items:center;gap:8px;min-width:0}
#ssrUrl{color:#1A7A34;font-weight:600;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ssr-cp{flex-shrink:0;background:var(--green);color:#fff;border:none;padding:9px 20px;border-radius:8px;cursor:pointer;font-weight:600;font-size:.82rem;font-family:'Inter',sans-serif;transition:opacity .2s}
.ssr-cp:hover{opacity:.85}
.ssr-cp.copied{background:#16A34A}

/* FEATURES */
.features{border-top:1px solid var(--border)}
.feat-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));max-width:1200px;margin:0 auto}
.feat-card{padding:40px 32px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);transition:all .25s var(--ease)}
.feat-card:hover{background:var(--surf)}
.feat-card:nth-child(4n){border-right:none}
.fci{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px}
.feat-card h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.feat-card p{color:var(--mid);font-size:.87rem;line-height:1.6}

/* FOOTER */
footer{padding:32px 24px;border-top:1px solid var(--border)}
.f-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;flex-wrap:wrap;gap:20px}
.f-logo{font-size:.95rem !important}
.f-links{display:flex;gap:24px;margin-left:auto}
.f-links a{color:var(--mid);font-size:.78rem;transition:color .2s}
.f-links a:hover{color:var(--text)}
footer p{color:var(--mid);font-size:.78rem}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeInDown{from{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:none}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

@media(max-width:768px){
  .hamburger{display:flex}
  .nav-menu{position:absolute;top:52px;left:0;right:0;background:rgba(251,251,253,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);flex-direction:column;gap:0;padding:10px 0;opacity:0;transform:translateY(-8px);pointer-events:none;transition:all .25s var(--ease)}
  .nav-menu.open{opacity:1;transform:none;pointer-events:all}
  .nav-menu a{padding:13px 24px}
  .nm-solid{margin:6px 24px;text-align:center;border-radius:10px !important}
  .hero{padding-top:70px}
  h1{letter-spacing:-2px}
  .bf-sidebar{display:none}
  .ss-form{flex-direction:column;border-radius:var(--radius)}
  .ss-form button{width:100%;justify-content:center;border-radius:0}
  .feat-card{border-right:none}
  .feat-card:nth-child(4n){border-right:none}
  .f-inner{justify-content:center;flex-direction:column;text-align:center}
  .f-links{margin:0}
}