.landing-page { min-height: 100dvh; margin: 0; color: #f4f8ff; background: #050a12; }
.landing-page::before { position: fixed; inset: 0; z-index: -2; background: radial-gradient(circle at 78% 22%,rgba(49,214,255,.2),transparent 29rem),radial-gradient(circle at 16% 76%,rgba(127,86,255,.17),transparent 32rem),linear-gradient(145deg,#050a12,#09182a 58%,#07101d); content: ""; }
.landing-page::after { position: fixed; inset: 0; z-index: -1; opacity: .38; background-image: linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to bottom,black,transparent 88%); content: ""; }
.landing-shell { width: min(1380px,calc(100% - 40px)); margin: 0 auto; }
.landing-nav { display: flex; align-items: center; justify-content: space-between; min-height: 96px; border-bottom: 1px solid rgba(179,220,255,.14); }
.landing-brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.landing-brand .brand-mark { width: 46px; height: 46px; border-radius: 15px; font-size: .78rem; }
.landing-brand b,.landing-brand small { display: block; }
.landing-brand b { font-size: 1rem; letter-spacing: .02em; }
.landing-brand small { margin-top: 2px; color: #88a0ba; font-size: .62rem; direction: ltr; }
.landing-login-link { min-height: 44px; display: inline-flex; align-items: center; padding: 0 19px; border: 1px solid rgba(112,218,255,.3); border-radius: 13px; color: #dff8ff; background: rgba(18,45,70,.46); text-decoration: none; font-size: .76rem; font-weight: 850; transition: transform .18s ease,border-color .18s ease,background .18s ease; }
.landing-login-link:hover { border-color: #31d6ff; background: rgba(49,214,255,.12); transform: translateY(-2px); }
.landing-hero { display: grid; grid-template-columns: minmax(0,.86fr) minmax(480px,1.14fr); align-items: center; gap: clamp(42px,7vw,110px); min-height: 650px; padding: 68px 24px 78px; }
.landing-copy { max-width: 610px; }
.landing-eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 18px; color: #8da7c1; font-size: .78rem; font-weight: 800; }
.landing-eyebrow span { width: 28px; height: 2px; border-radius: 99px; background: #31d6ff; box-shadow: 0 0 14px rgba(49,214,255,.7); }
.landing-copy h1 { margin: 0; font-size: clamp(2.9rem,6vw,5.9rem); line-height: 1.1; letter-spacing: -.045em; }
.landing-copy h1 em { color: transparent; background: linear-gradient(90deg,#31d6ff,#8d82ff); background-clip: text; -webkit-background-clip: text; font-style: normal; }
.landing-lead { max-width: 570px; margin: 25px 0 0; color: #aebdd0; font-size: clamp(.92rem,1.5vw,1.08rem); line-height: 2.05; }
.landing-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 22px; margin-top: 34px; }
.landing-primary-action { min-height: 54px; display: inline-flex; align-items: center; gap: 20px; padding: 0 23px; border: 1px solid rgba(255,255,255,.4); border-radius: 16px; color: #04131c; background: linear-gradient(135deg,#31d6ff,#77e9ff); box-shadow: 0 16px 38px rgba(49,214,255,.22); text-decoration: none; font-weight: 950; transition: transform .18s ease,box-shadow .18s ease; }
.landing-primary-action:hover { transform: translateY(-3px); box-shadow: 0 20px 46px rgba(49,214,255,.3); }
.landing-primary-action svg { width: 21px; fill: none; stroke: currentColor; stroke-width: 2; transform: rotate(180deg); }
.landing-actions > span { color: #7f91a8; font-size: .68rem; }
.landing-preview { position: relative; min-height: 470px; display: grid; place-items: center; }
.preview-orbit { position: absolute; width: min(520px,80%); aspect-ratio: 1; border: 1px solid rgba(49,214,255,.12); border-radius: 50%; box-shadow: 0 0 100px rgba(49,214,255,.08),inset 0 0 100px rgba(127,86,255,.06); }
.preview-panel { position: relative; z-index: 1; width: min(620px,100%); box-sizing: border-box; overflow: hidden; padding: 22px; border: 1px solid rgba(166,218,255,.22); border-radius: 26px; background: linear-gradient(145deg,rgba(31,54,79,.72),rgba(8,18,32,.76)); box-shadow: 0 40px 100px rgba(0,0,0,.44),inset 0 1px rgba(255,255,255,.1); backdrop-filter: blur(22px) saturate(135%); transform: perspective(1200px) rotateY(-3deg) rotateX(1deg); }
.preview-panel > header { display: flex; justify-content: space-between; align-items: center; color: #adc0d5; font-size: .74rem; }
.preview-panel > header span { display: flex; align-items: center; gap: 7px; }
.preview-panel > header i { width: 7px; height: 7px; border-radius: 50%; background: #52e6a4; box-shadow: 0 0 12px rgba(82,230,164,.75); }
.preview-panel > header b { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.16); border-radius: 11px; color: #e8f8ff; background: rgba(255,255,255,.06); }
.preview-score { margin-top: 24px; }
.preview-score small,.preview-metrics small,.preview-metrics span,.preview-float small { display: block; color: #8da1b8; font-size: .64rem; }
.preview-score strong { display: block; margin: 4px 0 11px; font-size: 2.4rem; font-variant-numeric: tabular-nums; }
.preview-score strong span { color: #7990a9; font-size: .86rem; }
.preview-score > div { height: 6px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.08); }
.preview-score > div i { display: block; width: 87%; height: 100%; border-radius: inherit; background: linear-gradient(90deg,#31d6ff,#8d82ff); box-shadow: 0 0 15px rgba(49,214,255,.4); }
.preview-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 18px; }
.preview-metrics section { padding: 14px; border: 1px solid rgba(180,220,255,.12); border-radius: 15px; background: rgba(255,255,255,.035); }
.preview-metrics strong { display: block; margin: 5px 0; font-size: 1rem; }
.preview-metrics .positive { color: #52e6a4; }
.preview-chart { height: 146px; margin: 20px -4px -6px; }
.preview-chart svg { width: 100%; height: 100%; overflow: visible; }
.preview-chart .chart-area { fill: url(#landingChartFill); }
.preview-chart .chart-line { fill: none; stroke: #31d6ff; stroke-width: 3; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 8px rgba(49,214,255,.45)); }
.preview-float { position: absolute; z-index: 2; min-width: 145px; padding: 13px 15px; border: 1px solid rgba(180,220,255,.2); border-radius: 15px; background: rgba(14,31,50,.86); box-shadow: 0 18px 45px rgba(0,0,0,.34); backdrop-filter: blur(18px); }
.preview-float strong { display: block; margin-top: 3px; font-size: .8rem; }
.preview-float-top { top: 32px; left: -18px; }
.preview-float-bottom { right: -12px; bottom: 28px; display: flex; align-items: center; gap: 10px; }
.pulse-dot { width: 9px; height: 9px; border-radius: 50%; background: #52e6a4; box-shadow: 0 0 0 6px rgba(82,230,164,.1),0 0 18px rgba(82,230,164,.55); }
.landing-features { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid rgba(179,220,255,.14); }
.landing-features article { display: grid; grid-template-columns: auto 1fr; gap: 16px; padding: 28px clamp(18px,3vw,38px); }
.landing-features article + article { border-inline-start: 1px solid rgba(179,220,255,.14); }
.landing-features article > span { color: #31d6ff; font-size: .65rem; font-weight: 900; }
.landing-features h2 { margin: 0; font-size: .86rem; }
.landing-features p { margin: 7px 0 0; color: #8496ac; font-size: .7rem; line-height: 1.85; }
.landing-footer { min-height: 82px; display: flex; align-items: center; justify-content: space-between; color: #7890a8; font-size: .66rem; }
@media (max-width: 980px) { .landing-hero { grid-template-columns: 1fr; padding-top: 48px; } .landing-copy { max-width: 720px; } .landing-preview { min-height: 430px; } }
@media (max-width: 680px) { .landing-shell { width: min(100% - 28px,1380px); } .landing-nav { min-height: 78px; } .landing-brand small { display: none; } .landing-hero { gap: 34px; min-height: auto; padding: 48px 4px 58px; } .landing-copy h1 { font-size: clamp(2.65rem,14vw,4.2rem); } .landing-actions { align-items: stretch; flex-direction: column; } .landing-primary-action { justify-content: space-between; } .landing-preview { min-height: 360px; } .preview-panel { padding: 17px; border-radius: 20px; transform: none; } .preview-metrics { grid-template-columns: 1fr 1fr; } .preview-metrics section:last-child { display: none; } .preview-float { display: none; } .landing-features { grid-template-columns: 1fr; } .landing-features article + article { border-inline-start: 0; border-top: 1px solid rgba(179,220,255,.14); } .landing-footer { align-items: flex-start; flex-direction: column; justify-content: center; gap: 6px; } }
@media (prefers-reduced-motion: reduce) { .landing-login-link,.landing-primary-action { transition: none; } }