/* ============ Лендинг ============ */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); background: var(--nav-bg); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 68px; }
.nav-links { display: flex; gap: 1.6rem; }
.nav-links a { color: var(--text-2); font-size: .9rem; font-weight: 500; text-decoration: none !important; position: relative; }
.nav-links a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -4px; height: 1px; background: var(--accent); transition: right .25s var(--ease); }
.nav-links a:hover { color: var(--text); } .nav-links a:hover::after { right: 0; }
.nav-actions { display: flex; align-items: center; gap: .4rem; }
.nav-burger { display: none; }
@media (max-width: 900px) {
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(5,7,13,.96); border-bottom: 1px solid var(--border); padding: .5rem 1rem 1rem; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .8rem .5rem; border-bottom: 1px solid var(--border); }
  .nav-burger { display: inline-flex; }
  .nav-actions .btn-ghost:not(.nav-burger) { display: none; }
  .nav-actions .btn-primary { display: none; }
}
:root[data-theme="light"] .nav-links a { color: var(--text-2); }

/* hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center; padding: 5rem 0 3rem; min-height: calc(100vh - 68px); }
.hero-badge { margin-bottom: 1.4rem; }
.hero h1 { margin-bottom: 1.4rem; }
.lead { font-size: 1.12rem; color: var(--text-2); max-width: 36rem; margin-bottom: 2rem; }
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.hero-points { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.4rem 2rem; flex-wrap: wrap; color: var(--muted); font-size: .88rem; }
.hero-points b { color: var(--text); font-family: var(--display); font-weight: 600; margin-right: .3rem; }
.hero-visual { position: relative; }
.hero-visual::before { content: ''; position: absolute; inset: -12% -8%; z-index: -1; border-radius: 50%; opacity: .55; filter: blur(70px); background: conic-gradient(from 0deg, rgba(var(--accent-rgb), .35), rgba(var(--accent-2-rgb), .35), rgba(255, 94, 168, .25), rgba(var(--accent-rgb), .35)); animation: rotate 22s linear infinite; }
:root[data-theme="light"] .hero-visual::before { opacity: .35; }
.panel-preview { padding: 1.3rem; }
.pp-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.1rem; }
.pp-name { font-weight: 600; } .pp-sub { font-size: .76rem; color: var(--muted); }
.pp-metrics { display: grid; gap: .75rem; margin-bottom: 1rem; }
.pp-spark { width: 100%; height: 60px; margin-bottom: 1rem; }
.pp-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.terminal { margin-top: 1rem; padding: 0; overflow: hidden; background: rgba(4, 6, 10, .92); color: #b8c4dd; }
.term-head { display: flex; align-items: center; gap: .45rem; padding: .6rem .9rem; border-bottom: 1px solid var(--border); }
.term-head span { width: 10px; height: 10px; border-radius: 50%; background: var(--surface-3); }
.term-head span:nth-child(1) { background: #ff5f57; } .term-head span:nth-child(2) { background: #febc2e; } .term-head span:nth-child(3) { background: #28c840; }
.term-head em { margin-left: auto; font-style: normal; font-size: .72rem; color: var(--muted); }
.term-body { margin: 0; padding: .9rem 1rem; min-height: 150px; font-size: .8rem; line-height: 1.65; color: #b8c4dd; white-space: pre-wrap; }
.term-body .ok { color: var(--ok); } .term-body .p { color: var(--accent); } .term-body .d { color: var(--muted-2); }
.cursor { display: inline-block; width: .55em; height: 1.1em; background: var(--accent); vertical-align: -0.2em; animation: pulse 1s steps(2) infinite; }
.float-chip { position: absolute; display: inline-flex; align-items: center; gap: .45rem; padding: .5rem .85rem; border-radius: 999px; background: var(--surface-solid); border: 1px solid var(--border-2); font-size: .78rem; font-weight: 600; box-shadow: var(--shadow); animation: float 6s ease-in-out infinite; }
.float-chip svg { width: 16px; height: 16px; color: var(--accent); }
.chip-a { top: -1.2rem; right: -1rem; } .chip-b { bottom: 6.5rem; left: -1.6rem; animation-delay: -3s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@media (max-width: 980px) { .hero { grid-template-columns: 1fr; padding-top: 3rem; min-height: 0; } .float-chip { display: none; } }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 1rem 0 2rem; }
.stat { padding: 1.2rem 1.3rem; border-left: 1px solid var(--border-2); }
.stat b { display: block; font-family: var(--display); font-size: 1.7rem; font-weight: 700; background: linear-gradient(90deg, var(--text), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--muted); font-size: .85rem; }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* sections */
.section { padding: 5rem 0; }
.section-head { max-width: 42rem; margin-bottom: 2.6rem; display: grid; gap: .9rem; }
.features { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.feature { padding: 1.6rem; transition: transform .25s var(--ease), border-color .25s; display: flex; flex-direction: column; overflow: hidden; }
.feature:hover { transform: translateY(-4px); border-color: var(--border-accent); }
.feature h3 { margin: 1rem 0 .5rem; } .feature p { color: var(--muted); font-size: .92rem; }
.b-2 { grid-column: span 2; } .b-3 { grid-column: span 3; } .b-4 { grid-column: span 4; }
.feature-big { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: center; }
.f-illu { margin-top: auto; padding-top: 1.2rem; }
.mini-inc { display: grid; gap: .45rem; }
.mini-inc div { display: flex; align-items: center; gap: .5rem; padding: .5rem .7rem; border-radius: 9px; background: var(--inset-bg); border: 1px solid var(--border); font-size: .76rem; font-family: var(--mono); }
.mini-inc i { width: 7px; height: 7px; border-radius: 50%; flex: none; box-shadow: 0 0 8px currentColor; background: currentColor; }
.mini-inc .c { color: var(--danger); } .mini-inc .h { color: var(--warn); } .mini-inc .o { color: var(--ok); }
.mini-inc span { color: var(--text-2); }
.mini-bars { display: grid; gap: .5rem; } .mini-bars div { height: 8px; border-radius: 99px; background: rgba(130,160,210,.15); overflow: hidden; } .mini-bars div::after { content: ''; display: block; height: 100%; width: var(--w); border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--accent-2)); animation: grow 1.6s var(--ease) both; }
@keyframes grow { from { width: 0; } }
.mini-term { font-family: var(--mono); font-size: .74rem; color: var(--muted); line-height: 1.7; background: var(--code-bg); border-radius: 9px; padding: .6rem .8rem; color: var(--code-text); } .mini-term b { color: var(--ok); font-weight: 500; }
.mini-pills { display: flex; gap: .4rem; flex-wrap: wrap; } .mini-pills span { padding: .25rem .55rem; border-radius: 7px; font-family: var(--mono); font-size: .72rem; border: 1px solid rgba(var(--ok-rgb), .35); color: var(--ok); background: rgba(var(--ok-rgb), .1); } .mini-pills span.x { border-color: rgba(var(--danger-rgb), .3); color: var(--danger-text); background: rgba(var(--danger-rgb), .08); text-decoration: line-through; }
.mini-timeline { display: flex; align-items: center; gap: .3rem; } .mini-timeline i { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); } .mini-timeline b { flex: 1; height: 2px; background: var(--border-2); } .mini-timeline i.now { background: var(--accent-3); box-shadow: 0 0 10px var(--accent-3); }
.mini-url { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem .8rem; border-radius: 9px; background: var(--inset-bg); border: 1px solid var(--border); font-family: var(--mono); font-size: .76rem; } .mini-url i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.mini-price { font-family: var(--display); font-size: 1.8rem; font-weight: 800; } .mini-price small { font-size: .8rem; color: var(--muted); font-family: var(--sans); font-weight: 400; }
@media (max-width: 1000px) { .b-2, .b-3, .b-4 { grid-column: span 3; } .feature-big { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .b-2, .b-3, .b-4 { grid-column: span 6; } }
.f-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(var(--accent-rgb), .18), rgba(var(--accent-2-rgb), .18)); border: 1px solid rgba(var(--accent-rgb), .25); color: var(--accent); }
.f-icon svg { width: 24px; height: 24px; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }

/* OS */
.os-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .9rem; }
.os-tile { display: flex; flex-direction: column; align-items: center; gap: .7rem; padding: 1.3rem .9rem; text-align: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: transform .2s var(--ease), border-color .2s; }
.os-tile:hover { transform: translateY(-3px); border-color: var(--border-accent); }
.os-tile b { font-size: .9rem; font-weight: 600; } .os-tile span { font-size: .75rem; color: var(--muted); font-family: var(--mono); }
.os-tile.disabled { opacity: .5; }

/* calculator */
.calc { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; padding: 2rem; }
.calc-controls { display: grid; gap: 1.6rem; }
.calc-row { display: grid; gap: .7rem; } .calc-row label { font-weight: 600; }
.calc-presets { display: flex; gap: .5rem; flex-wrap: wrap; }
.calc-result { border-left: 1px solid var(--border); padding-left: 2rem; display: flex; flex-direction: column; gap: .8rem; }
.price-big { font-family: var(--display); font-size: 2.6rem; font-weight: 800; line-height: 1; }
.price-big small { font-size: 1rem; color: var(--muted); font-weight: 400; margin-left: .3rem; font-family: var(--sans); }
.calc-includes { list-style: none; margin: .5rem 0 1rem; padding: 0; display: grid; gap: .45rem; font-size: .88rem; color: var(--text-2); }
.calc-includes li::before { content: '✓'; color: var(--ok); margin-right: .55rem; font-weight: 700; }
@media (max-width: 900px) { .calc { grid-template-columns: 1fr; } .calc-result { border-left: 0; padding-left: 0; border-top: 1px solid var(--border); padding-top: 1.5rem; } }

/* панель изнутри */
.panel-shot { border-radius: 20px; border: 1px solid var(--border-2); overflow: hidden; background: var(--surface-solid); box-shadow: var(--shadow), 0 60px 120px -50px rgba(var(--accent-2-rgb), .55); transform: perspective(1400px) rotateX(2.5deg); transform-origin: 50% 100%; transition: transform .6s var(--ease); }
.panel-shot:hover { transform: perspective(1400px) rotateX(0); }
.panel-shot img { display: block; width: 100%; height: auto; }
.panel-shot-wrap { position: relative; padding-top: .5rem; }
.panel-shot-wrap::before { content: ''; position: absolute; inset: 20% 10% -10%; background: radial-gradient(ellipse at center, rgba(var(--accent-rgb), .25), transparent 60%); filter: blur(40px); z-index: -1; }
.panel-tags { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; margin-top: 1.4rem; }
.panel-tags span { padding: .35rem .75rem; border-radius: 999px; border: 1px solid var(--border-2); background: var(--surface); font-size: .78rem; color: var(--text-2); }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; counter-reset: s; }
.steps li { padding: 1.6rem; } .steps h3 { margin: .8rem 0 .5rem; } .steps p { color: var(--muted); font-size: .92rem; }
.step-n { font-family: var(--display); font-size: 2rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

/* security */
.security { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: center; }
.sec-text h2 { margin: .8rem 0 1rem; } .sec-text .muted { margin-bottom: 1.2rem; }
.sec-points { list-style: none; padding: 0; margin: 0 0 1.6rem; display: grid; gap: .8rem; color: var(--text-2); font-size: .92rem; }
.sec-points li { padding-left: 1.4rem; position: relative; }
.sec-points li::before { content: ''; position: absolute; left: 0; top: .5em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.score-card { display: grid; gap: 1.2rem; padding: 1.5rem; }
.score-top { display: flex; align-items: center; gap: 1.2rem; }
.inc-feed { display: grid; gap: .5rem; }
.inc-feed div { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .7rem; padding: .6rem .8rem; border-radius: 10px; background: var(--inset-bg); border: 1px solid var(--border); font-size: .8rem; }
.inc-feed small { color: var(--muted); font-family: var(--mono); font-size: .7rem; }
.inc-feed .fixed { opacity: .6; text-decoration: line-through; }
.scan-mock { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: .8rem; color: var(--muted); }
.score-ring { position: relative; width: 120px; height: 120px; flex: none; }
.score-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: rgba(130,160,210,.14); stroke-width: 10; }
.ring-fg { fill: none; stroke: url(#lg1); stroke: var(--accent); stroke-width: 10; stroke-linecap: round; stroke-dasharray: 326.7; stroke-dashoffset: calc(326.7 - 326.7 * var(--score) / 100); filter: drop-shadow(0 0 8px rgba(var(--accent-rgb), .6)); transition: stroke-dashoffset 1.2s var(--ease); }
.score-val { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; }
.score-val b { font-family: var(--display); font-size: 1.9rem; font-weight: 800; line-height: 1; } .score-val span { font-size: .8rem; color: var(--muted); }
.score-list { display: grid; gap: .55rem; font-size: .86rem; font-family: var(--mono); }
.sc.ok { color: var(--ok); } .sc.warn { color: var(--warn); }
@media (max-width: 900px) { .security { grid-template-columns: 1fr; } }

/* faq */
.faq-list { display: grid; gap: .6rem; max-width: 820px; }
.faq-list details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 1.2rem; transition: border-color .2s; }
.faq-list details[open] { border-color: var(--border-accent); }
.faq-list summary { cursor: pointer; padding: 1rem 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-list summary::after { content: '+'; font-family: var(--mono); color: var(--accent); font-size: 1.2rem; transition: transform .2s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list p { padding: 0 0 1.1rem; color: var(--text-2); font-size: .92rem; }

/* cta */
.cta-final { padding: 2rem 0 5rem; }
.cta-card { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 2.4rem; flex-wrap: wrap; }
.cta-card h2 { margin: .6rem 0 .5rem; }

/* footer */
.footer { border-top: 1px solid var(--border); background: var(--nav-bg); }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; padding: 3rem 0 2rem; flex-wrap: wrap; }
.footer-inner .logo { margin-bottom: .8rem; }
.footer-cols { display: flex; gap: 3rem; flex-wrap: wrap; }
.footer-cols div { display: grid; gap: .45rem; font-size: .88rem; }
.footer-cols b { color: var(--text); margin-bottom: .3rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-cols a { color: var(--muted); text-decoration: none !important; } .footer-cols a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0 1.6rem; border-top: 1px solid var(--border); flex-wrap: wrap; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }