:root{
  --bg:#f6f7f9;--surface:#ffffff;--surface-soft:#fafafa;--surface-2:#f1f2f4;
  --text:#161616;--muted:#6b7280;--line:#e5e7eb;--accent:#e52521;--accent-2:#ff3b30;
  --success:#16a36f;--danger:#d64545;--warning:#c58a14;
  --shadow:0 24px 70px rgba(17,24,39,.10);--shadow-sm:0 8px 26px rgba(17,24,39,.07);
  --radius:24px;--radius-sm:14px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body[data-theme=dark]{--bg:#0c0d0f;--surface:#151619;--surface-soft:#111214;--surface-2:#202125;--text:#f7f7f7;--muted:#a1a1aa;--line:#2b2c30;--accent:#ff4a42;--accent-2:#ff5b54;--shadow:0 28px 80px rgba(0,0,0,.38);--shadow-sm:0 12px 32px rgba(0,0,0,.22)}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}
.site-footer{display:none}

/* Brand */
.brand{display:flex;align-items:center;gap:8px;font-size:19px;font-weight:850;letter-spacing:-.035em;white-space:nowrap}
.brand-logo{width:150px;height:38px;display:flex;align-items:center;overflow:hidden;flex:0 0 auto}
.brand-logo img{display:block;width:150px;height:38px;object-fit:contain;object-position:left center}
.brand-name-mail{color:var(--accent);font-weight:900;margin-left:-3px}
.sidebar-brand .brand-logo{width:145px;height:36px}.sidebar-brand .brand-logo img{width:145px;height:36px}
.mobile-brand .brand-logo{width:116px;height:30px}.mobile-brand .brand-logo img{width:116px;height:30px}

/* Buttons / shared controls */
.btn{border:0;border-radius:13px;padding:13px 18px;font-weight:800;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{color:#fff;background:var(--accent);box-shadow:0 12px 28px rgba(229,37,33,.22)}
.btn-primary:hover{background:#cf1e1b;box-shadow:0 14px 32px rgba(229,37,33,.28)}
.btn-secondary{color:var(--text);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-full{width:100%;display:flex;align-items:center;justify-content:center;gap:8px}
.copy-btn{border:1px solid var(--line);background:var(--surface-soft);color:var(--text);border-radius:9px;padding:7px 10px;font-size:11px;font-weight:800;transition:.15s ease}
.copy-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--surface)}

/* Landing */
.landing{width:min(1280px,100%);margin:auto;padding:0 34px 42px}
.landing-nav{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(229,231,235,.75)}
body[data-theme=dark] .landing-nav{border-color:var(--line)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-link,.theme-mini{border:1px solid transparent;background:transparent;color:var(--muted);font-weight:800;padding:10px 13px;border-radius:11px}
.nav-link:hover,.theme-mini:hover{background:var(--surface);border-color:var(--line);color:var(--text)}
.theme-mini{font-size:17px}
.hero{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(430px,.98fr);align-items:center;gap:76px;padding:76px 0 84px;min-height:650px}
.hero-copy{max-width:650px}
.status-pill{display:inline-flex;align-items:center;gap:9px;border:1px solid #dfe5e2;background:var(--surface);padding:8px 12px;border-radius:999px;font-size:10px;letter-spacing:.09em;font-weight:900;color:#667085;box-shadow:0 5px 18px rgba(17,24,39,.04)}
.status-pill i{width:7px;height:7px;background:var(--success);border-radius:50%;display:inline-block;box-shadow:0 0 0 4px rgba(22,163,111,.11)}
.hero h1{font-size:clamp(56px,6.7vw,92px);line-height:.91;letter-spacing:-.075em;margin:23px 0 25px;max-width:650px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-lead{max-width:570px;font-size:17px;line-height:1.72;color:var(--muted);margin:0 0 29px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.hero-actions form{margin:0}
.micro-trust{display:flex;gap:8px;align-items:center;color:#7a808a;font-size:11px;font-weight:700;margin-top:12px}
.form-error{margin-top:15px;color:var(--danger);font-size:12px;font-weight:700}

.hero-stage{position:relative;min-height:450px;display:grid;place-items:center}
.hero-stage:before{content:"";position:absolute;width:410px;height:410px;border-radius:50%;background:rgba(229,37,33,.08);filter:blur(35px);right:20px;top:5px}
.inbox-card{position:relative;z-index:2;width:min(520px,100%);border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.88);border-radius:28px;box-shadow:0 35px 90px rgba(31,41,55,.14);backdrop-filter:blur(18px);padding:22px}
body[data-theme=dark] .inbox-card{background:rgba(21,22,25,.92);border-color:var(--line)}
.card-top{display:flex;align-items:center;gap:8px;padding:0 2px 18px;border-bottom:1px solid var(--line);font-size:10px;letter-spacing:.12em;font-weight:900;color:var(--muted)}
.card-top b{margin-left:auto;color:#a1a1aa;letter-spacing:2px}
.live-dot{width:7px;height:7px;background:var(--success);border-radius:50%;box-shadow:0 0 0 4px rgba(22,163,111,.10)}
.fake-address{display:flex;align-items:center;gap:13px;padding:18px 4px 16px}.fake-address>span{width:40px;height:40px;border-radius:12px;background:#fff0ef;color:var(--accent);display:grid;place-items:center;font-weight:900}.fake-address small,.fake-address strong{display:block}.fake-address small{font-size:10px;color:var(--muted);margin-bottom:3px}.fake-address strong{font-size:14px;letter-spacing:-.02em}
.fake-message{display:grid;grid-template-columns:42px minmax(0,1fr) 18px;gap:12px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--surface);margin-top:9px}.fake-message .avatar{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--surface-2);font-weight:900;color:var(--accent)}.fake-message strong,.fake-message small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fake-message strong{font-size:12px}.fake-message small{font-size:10px;color:var(--muted);margin-top:3px}.fake-message i{font-style:normal;color:#9ca3af}.muted-row{opacity:.72}
.card-foot{display:flex;justify-content:space-between;padding:16px 4px 2px;color:var(--muted);font-size:10px;font-weight:800}.card-foot strong{color:var(--success)}
.floating-chip{position:absolute;z-index:3;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);padding:11px 13px;border-radius:13px;font-size:10px;font-weight:850}.chip-one{right:-8px;top:92px}.chip-two{left:-10px;bottom:62px}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature-card{padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow-sm)}.feature-card b{display:block;margin-bottom:7px}.feature-card span{font-size:13px;line-height:1.6;color:var(--muted)}
.landing-bottom{display:flex;justify-content:center;gap:28px;color:#8a9099;font-size:10px;font-weight:800;letter-spacing:.04em;margin-top:26px}

/* Mail app */
.mail-app-shell{min-height:100vh;display:grid;grid-template-columns:282px minmax(0,1fr);background:var(--bg)}
.mail-sidebar{position:sticky;top:0;height:100vh;padding:24px 18px;display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--surface)}
.sidebar-brand{padding:2px 8px 24px}
.sidebar-inbox{padding:16px;border:1px solid var(--line);border-radius:17px;background:var(--surface-soft)}
.sidebar-inbox small,.account-popover small{display:block;color:var(--muted);font-size:9px;font-weight:900;letter-spacing:.12em;margin-bottom:7px}.sidebar-inbox strong,.account-popover strong{display:block;word-break:break-word;font-size:12px;line-height:1.45}
.side-nav{display:grid;gap:5px;margin-top:18px}.side-link{display:flex;align-items:center;gap:11px;width:100%;padding:12px 13px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--muted);font-weight:800;text-align:left}.side-link span{width:20px;text-align:center;font-size:15px}.side-link b{margin-left:auto;font-size:10px;padding:3px 7px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.side-link:hover,.side-link.active{background:var(--surface-soft);border-color:var(--line);color:var(--text)}.side-link.active{box-shadow:inset 3px 0 0 var(--accent)}.side-link.active span{color:var(--accent)}
.sidebar-bottom{margin-top:auto;display:flex;gap:10px;align-items:center;padding:13px;border-radius:14px;background:var(--surface-soft);border:1px solid var(--line)}.tiny-live{width:7px;height:7px;background:var(--success);border-radius:50%;display:inline-block;box-shadow:0 0 0 4px rgba(22,163,111,.10)}.sidebar-bottom strong,.sidebar-bottom small{display:block}.sidebar-bottom strong{font-size:11px}.sidebar-bottom small{color:var(--muted);font-size:9px;margin-top:2px}
.mail-app{min-width:0}.mail-topbar{height:74px;display:flex;align-items:center;gap:16px;padding:0 32px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.9);backdrop-filter:blur(14px);position:sticky;top:0;z-index:10}.mobile-brand{display:none}.top-address{display:flex;align-items:center;gap:10px;min-width:0;color:var(--muted);font-size:12px;font-weight:750}.top-address>span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.address-icon{width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:var(--surface-soft);color:var(--accent);font-weight:900}.top-actions{margin-left:auto;display:flex;gap:7px}.top-icon{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--muted);font-weight:900}.top-icon:hover{color:var(--text);border-color:var(--accent)}
.account-popover{position:absolute;right:30px;top:66px;width:280px;padding:16px;border:1px solid var(--line);border-radius:17px;background:var(--surface);box-shadow:var(--shadow);z-index:30}.popover-action{width:100%;display:block;text-align:left;border:0;background:transparent;color:var(--text);padding:11px 8px;border-radius:10px;font-weight:750;font-size:12px}.popover-action:hover{background:var(--surface-soft)}
.mail-main{width:min(1080px,100%);margin:auto;padding:44px 34px 65px}.mail-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-kicker,.modal-kicker,.message-label{font-size:10px;letter-spacing:.13em;font-weight:900;color:var(--accent)}.mail-toolbar h1{font-size:38px;letter-spacing:-.055em;margin:6px 0 7px}.count{display:inline-grid;place-items:center;min-width:28px;height:23px;padding:0 7px;border-radius:999px;background:var(--surface-2);font-size:11px;vertical-align:middle;color:var(--muted)}.mailbox-address-line{font-size:12px;color:var(--muted);font-weight:650}.mailbox-address-line .copy-btn{margin:0 0 0 6px;padding:5px 8px}.refresh-big{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:12px;padding:11px 15px;font-weight:850;box-shadow:var(--shadow-sm)}.refresh-big:hover{border-color:var(--accent);color:var(--accent)}
.mail-list-panel{border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow-sm);overflow:hidden}.mail-list-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);font-size:12px;font-weight:850}.status{color:var(--muted);font-weight:750}.status i{width:6px;height:6px;display:inline-block;border-radius:50%;background:var(--warning);margin-right:6px}.message-item{display:grid;grid-template-columns:230px minmax(0,1fr) 130px;align-items:center;gap:18px;padding:18px 20px;border-bottom:1px solid var(--line);transition:background .14s ease}.message-item:last-child{border-bottom:0}.message-item:hover{background:var(--surface-soft)}.message-sender{font-size:13px;font-weight:850;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-subject{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-date{text-align:right;color:var(--muted);font-size:11px}.empty-state{min-height:330px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:35px}.empty-icon{width:58px;height:58px;display:grid;place-items:center;border-radius:18px;background:#fff0ef;color:var(--accent);font-weight:900;font-size:22px;border:1px solid #ffd9d6}.empty-state h2{margin:16px 0 7px;font-size:21px;letter-spacing:-.03em}.empty-state p{margin:0 0 20px;color:var(--muted);font-size:13px;line-height:1.65}

/* Modals */
.modal-backdrop{position:fixed;inset:0;display:grid;place-items:center;padding:20px;background:rgba(12,13,15,.55);backdrop-filter:blur(10px);z-index:50}.modal-backdrop[hidden]{display:none}.account-modal{position:relative;width:min(440px,100%);padding:30px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--shadow)}.modal-close{position:absolute;right:17px;top:17px;width:34px;height:34px;border:1px solid var(--line);border-radius:10px;background:var(--surface-soft);color:var(--muted);font-size:20px}.modal-close:hover{color:var(--accent);border-color:var(--accent)}.account-modal h2{font-size:29px;letter-spacing:-.05em;margin:9px 0 7px}.account-modal>p{margin:0 0 24px;color:var(--muted);font-size:13px}.account-form{display:grid;gap:8px}.account-form label{font-size:11px;font-weight:850;color:var(--muted)}.full-input,.address-builder input,.address-builder select{width:100%;border:1px solid var(--line);background:var(--surface-soft);color:var(--text);border-radius:12px;padding:12px 13px;outline:none}.full-input:focus,.address-builder input:focus,.address-builder select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(229,37,33,.10)}.address-builder{display:grid;grid-template-columns:1fr auto;gap:7px}.address-builder select{max-width:190px}.availability{font-size:10px;color:var(--muted);margin:4px 0 12px}

/* Message view */
.message-main{padding-top:28px}.back-link{display:inline-block;color:var(--muted);font-size:12px;font-weight:850;margin-bottom:18px}.back-link:hover{color:var(--accent)}.message-view{border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow-sm);overflow:hidden}.message-view-head{padding:30px;border-bottom:1px solid var(--line)}.message-view h1{font-size:34px;letter-spacing:-.05em;margin:8px 0 22px;overflow-wrap:anywhere}.sender-card{display:flex;align-items:center;gap:12px}.sender-avatar{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#fff0ef;color:var(--accent);font-weight:900;border:1px solid #ffd9d6}.sender-card strong,.sender-card span{display:block}.sender-card strong{font-size:12px}.sender-card span{font-size:11px;color:var(--muted);margin-top:3px}.sender-card time{margin-left:auto;color:var(--muted);font-size:11px}.message-view-body{min-height:360px;padding:26px}.email-frame{width:100%;min-height:600px;border:0;background:#fff;border-radius:12px}.plain-body{white-space:pre-wrap;overflow:auto;margin:0;font:13px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text)}

/* Responsive */
@media(max-width:980px){.hero{grid-template-columns:1fr;gap:42px;padding-top:55px}.hero-copy{max-width:700px}.hero-stage{max-width:650px;width:100%;margin:auto}.mail-app-shell{grid-template-columns:1fr}.mail-sidebar{display:none}.mobile-brand{display:block}.mail-topbar{padding:0 18px}.top-address{margin-right:auto}.mail-main{padding:30px 20px 48px}}
@media(max-width:680px){.landing{padding:0 17px 30px}.landing-nav{height:68px}.landing-nav .brand-logo{width:118px;height:31px}.landing-nav .brand-logo img{width:118px;height:31px}.nav-link{display:none}.hero{min-height:auto;padding:46px 0 54px}.hero h1{font-size:57px}.hero-lead{font-size:15.5px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions form,.hero-actions .btn{width:100%}.micro-trust{font-size:10px}.hero-stage{min-height:390px}.inbox-card{padding:17px;border-radius:22px}.chip-one{right:-3px;top:65px}.chip-two{left:-3px;bottom:40px}.feature-strip{grid-template-columns:1fr}.landing-bottom{gap:13px;flex-wrap:wrap}.mail-topbar{height:66px}.mobile-brand .brand-logo{width:110px;height:28px}.mobile-brand .brand-logo img{width:110px;height:28px}.top-address{font-size:10.5px}.address-icon{width:30px;height:30px}.top-icon{width:35px;height:35px}.account-popover{right:14px;top:58px}.mail-main{padding:27px 14px 42px}.mail-toolbar{display:block}.mail-toolbar h1{font-size:31px}.refresh-big{margin-top:16px;width:100%}.mail-list-head{padding:14px 15px}.message-item{grid-template-columns:1fr;padding:15px;gap:6px}.message-date{text-align:left}.message-subject{font-size:12px}.message-view-head{padding:23px 18px}.message-view h1{font-size:25px}.message-view-body{padding:14px}.sender-card{align-items:flex-start}.sender-card time{display:none}.account-modal{padding:24px}.address-builder{grid-template-columns:1fr}.address-builder select{max-width:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
::selection{background:rgba(229,37,33,.18)}
input:focus,select:focus{outline:2px solid rgba(229,37,33,.16);border-color:var(--accent)!important}