/* LBL Cloud — большой премиум-лендинг */
:root {
    --lc: #6366f1;
    --lc-2: #818cf8;
    --lc-3: #a5b4fc;
    --lc-dark: #4f46e5;
    --lc-deep: #3730a3;
    --lc-glow: rgba(99, 102, 241, 0.5);
    --text: #0f172a;
    --muted: #64748b;
    --glass: rgba(255, 255, 255, 0.78);
    --glass-border: rgba(255, 255, 255, 0.92);
    --radius: 20px;
    --header-h: 76px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --max: 1240px;
    --pad: clamp(72px, 10vw, 128px);
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    overflow-x: clip;
}

body.lc-landing {
    margin: 0;
    font-family: "Roboto", system-ui, sans-serif;
    color: var(--text);
    background: #e8ecff;
    min-height: 100vh;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
}

/* Progress */
.lc-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    z-index: 200;
    background: linear-gradient(90deg, var(--lc), #38bdf8, var(--lc-2));
    box-shadow: 0 0 12px var(--lc-glow);
    transition: width 0.08s linear;
}

/* BG */
.lc-aurora {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}
.lc-aurora__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    animation: lc-aurora 20s ease-in-out infinite;
}
.lc-aurora__blob:nth-child(1) { width: 55vw; height: 55vw; max-width: 600px; background: #a5b4fc; top: -15%; left: -10%; }
.lc-aurora__blob:nth-child(2) { width: 45vw; height: 45vw; background: #7dd3fc; top: 25%; right: -15%; animation-delay: -5s; }
.lc-aurora__blob:nth-child(3) { width: 40vw; height: 40vw; background: #c4b5fd; bottom: 0; left: 20%; animation-delay: -10s; }
.lc-aurora__blob:nth-child(4) { width: 35vw; height: 35vw; background: #f0abfc; bottom: 20%; right: 10%; animation-delay: -15s; }

@keyframes lc-aurora {
    50% { transform: translate(3%, 4%) scale(1.06); }
}

.lc-beams {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        conic-gradient(from 220deg at 70% 20%, transparent 0deg, rgba(99, 102, 241, 0.06) 60deg, transparent 120deg),
        conic-gradient(from 40deg at 20% 80%, transparent 0deg, rgba(56, 189, 248, 0.05) 80deg, transparent 160deg);
}

.lc-sky { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.lc-cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    box-shadow: 28px 14px 0 -6px rgba(255, 255, 255, 0.35);
    animation: lc-drift 24s ease-in-out infinite;
}
.lc-cloud:nth-child(1) { width: 200px; height: 68px; top: 8%; left: 3%; }
.lc-cloud:nth-child(2) { width: 280px; height: 88px; top: 18%; right: 4%; animation-delay: -4s; }
.lc-cloud:nth-child(3) { width: 160px; height: 52px; top: 42%; left: 30%; animation-delay: -8s; }
.lc-cloud:nth-child(4) { width: 220px; height: 72px; bottom: 22%; right: 8%; animation-delay: -12s; }
.lc-cloud:nth-child(5) { width: 140px; height: 46px; bottom: 8%; left: 10%; animation-delay: -6s; }
.lc-cloud:nth-child(6) { width: 100px; height: 36px; top: 62%; right: 35%; animation-delay: -16s; }

@keyframes lc-drift {
    50% { transform: translate(20px, -14px); }
}

.lc-grain {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0.035;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.lc-cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    margin: -200px 0 0 -200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 68%);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.35s;
}
.lc-cursor-glow.is-on { opacity: 1; }

.lc-particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.55;
}

.lc-header, main, .lc-footer, .lc-drawer { position: relative; z-index: 2; }

/* Header */
.lc-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 14px 20px;
}
.lc-header.is-scrolled .lc-header__inner {
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.14);
    background: rgba(255, 255, 255, 0.88);
}
.lc-header__inner {
    max-width: var(--max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 22px;
    background: var(--glass);
    backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: box-shadow 0.4s var(--ease), background 0.4s;
}

.lc-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}
.lc-logo__mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--lc), var(--lc-deep));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 6px 20px var(--lc-glow);
}
.lc-logo__text {
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.03em;
}
.lc-logo__text em { font-style: normal; font-weight: 500; color: var(--lc); }
.lc-logo--sm .lc-logo__mark { width: 34px; height: 34px; font-size: 14px; }

.lc-nav {
    display: flex;
    gap: 8px 24px;
    margin-left: auto;
}
.lc-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.2s;
}
.lc-nav a:hover { color: var(--lc-dark); }

.lc-header__actions { display: flex; align-items: center; gap: 10px; }

.lc-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 10px;
    border: none;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    cursor: pointer;
}
.lc-burger span {
    height: 2px;
    background: var(--lc-dark);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.lc-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.lc-burger.is-open span:nth-child(2) { opacity: 0; }
.lc-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.lc-drawer {
    position: fixed;
    inset: 0;
    z-index: 99;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    padding: calc(var(--header-h) + 20px) 20px;
}
.lc-drawer.is-open { opacity: 1; visibility: visible; }
.lc-drawer__nav {
    max-width: 400px;
    margin: 0 auto;
    padding: 24px;
    background: var(--glass);
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.lc-drawer__nav a {
    padding: 14px 16px;
    text-decoration: none;
    font-weight: 600;
    color: var(--text);
    border-radius: 12px;
}
.lc-drawer__nav a:hover { background: rgba(99, 102, 241, 0.08); }
.lc-drawer__nav .lc-btn { margin-top: 12px; justify-content: center; }

/* Buttons */
.lc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.9375rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: transform 0.2s var(--ease), box-shadow 0.25s, filter 0.2s;
    white-space: nowrap;
}
.lc-btn--sm { padding: 9px 16px; font-size: 0.8125rem; }
.lc-btn--xl { padding: 16px 28px; font-size: 1.05rem; border-radius: 16px; }
.lc-btn--xxl { padding: 18px 34px; font-size: 1.125rem; border-radius: 18px; }
.lc-btn--primary {
    background: linear-gradient(135deg, var(--lc), var(--lc-deep));
    color: #fff;
    box-shadow: 0 8px 28px var(--lc-glow);
}
.lc-btn--primary:hover { filter: brightness(1.08); box-shadow: 0 12px 36px var(--lc-glow); }
.lc-btn--glow { animation: lc-btn-pulse 3s ease-in-out infinite; }
@keyframes lc-btn-pulse {
    50% { box-shadow: 0 10px 40px rgba(99, 102, 241, 0.55); }
}
.lc-btn--ghost, .lc-btn--glass {
    background: rgba(255, 255, 255, 0.65);
    color: var(--text);
    border: 1px solid rgba(99, 102, 241, 0.22);
    backdrop-filter: blur(8px);
}
.lc-btn:active { transform: scale(0.98); }

.lc-gradient-text {
    background: linear-gradient(120deg, var(--lc-deep), var(--lc), #38bdf8, var(--lc-2));
    background-size: 250% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: lc-shimmer 7s linear infinite;
}
@keyframes lc-shimmer {
    to { background-position: 250% center; }
}

.lc-eyebrow {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--lc);
    margin: 0 0 12px;
}

/* MEGA HERO */
.lc-hero--mega {
    min-height: calc(100vh - var(--header-h));
    min-height: calc(100dvh - var(--header-h));
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(32px, 6vw, 64px) 20px 80px;
    position: relative;
}

.lc-hero__grid {
    max-width: var(--max);
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
}

.lc-hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.lc-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--lc-dark);
    margin: 0;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.08);
}
.lc-pill--soft { background: rgba(99, 102, 241, 0.1); border-color: rgba(99, 102, 241, 0.2); }
.lc-pill__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: lc-ping 2s ease-out infinite;
}
@keyframes lc-ping {
    70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
}

.lc-hero__title {
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.04em;
    margin: 0 0 24px;
}
.lc-hero__line {
    display: block;
    font-size: clamp(2.75rem, 7.5vw, 5.25rem);
}
.lc-hero__line--brand {
    font-size: clamp(2.25rem, 6vw, 4rem);
    color: var(--text);
    margin-top: 0.05em;
}

.lc-hero__lead {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    line-height: 1.65;
    color: var(--muted);
    max-width: 28em;
    margin: 0 0 32px;
}
.lc-hero__lead a { color: var(--lc-dark); font-weight: 600; }

.lc-hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
}

.lc-hero__stats {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.lc-hero__stats li {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 2px 6px;
    padding: 16px 22px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.08);
}
.lc-stat__val {
    font-family: "Montserrat", sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--lc-dark);
}
.lc-stat__unit { font-weight: 700; color: var(--lc); }
.lc-stat__lbl { width: 100%; font-size: 0.75rem; color: var(--muted); margin-top: 4px; }

/* Hero visual */
.lc-hero__visual {
    position: relative;
    perspective: 1400px;
}

.lc-orbit {
    position: absolute;
    inset: -12%;
    pointer-events: none;
}
.lc-orbit__ring {
    position: absolute;
    inset: 10%;
    border: 1px dashed rgba(99, 102, 241, 0.25);
    border-radius: 50%;
    animation: lc-orbit-spin 40s linear infinite;
}
.lc-orbit__ring:nth-child(2) {
    inset: 22%;
    animation-direction: reverse;
    animation-duration: 28s;
}
@keyframes lc-orbit-spin { to { transform: rotate(360deg); } }

.lc-orbit__dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--lc);
    box-shadow: 0 0 16px var(--lc-glow);
}
.lc-orbit__dot:nth-child(3) { top: 8%; left: 50%; animation: lc-orbit-spin 40s linear infinite; transform-origin: 0 180px; }
.lc-orbit__dot:nth-child(4) { bottom: 15%; right: 20%; animation: lc-orbit-spin 28s linear infinite reverse; }
.lc-orbit__dot:nth-child(5) { top: 40%; left: 5%; background: #38bdf8; }

.lc-mock {
    position: relative;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 32px 64px rgba(99, 102, 241, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    transition: transform 0.12s ease-out;
    animation: lc-mock-float 5s ease-in-out infinite;
}
.lc-mock--hero { width: 100%; max-width: 560px; margin-left: auto; }
@keyframes lc-mock-float {
    50% { transform: translateY(-10px); }
}

.lc-mock__chrome {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(99, 102, 241, 0.08);
}
.lc-mock__chrome span:nth-child(1), .lc-mock__chrome span:nth-child(2), .lc-mock__chrome span:nth-child(3) {
    width: 11px; height: 11px; border-radius: 50%;
}
.lc-mock__chrome span:nth-child(1) { background: #fca5a5; }
.lc-mock__chrome span:nth-child(2) { background: #fde047; }
.lc-mock__chrome span:nth-child(3) { background: #86efac; }
.lc-mock__url { margin-left: auto; font-size: 0.7rem; color: var(--muted); font-family: ui-monospace, monospace; }

.lc-mock__body {
    display: grid;
    grid-template-columns: 100px 1fr 120px;
    min-height: 260px;
}

.lc-mock__side {
    padding: 14px 10px;
    background: rgba(99, 102, 241, 0.06);
    border-right: 1px solid rgba(99, 102, 241, 0.1);
    font-size: 0.65rem;
}
.lc-mock__logo-mini { font-weight: 700; color: var(--lc-dark); margin-bottom: 12px; }
.lc-mock__nav-item.is-active {
    padding: 8px;
    border-radius: 8px;
    background: rgba(99, 102, 241, 0.14);
    font-weight: 600;
    color: var(--lc-dark);
}
.lc-mock__storage { margin-top: 16px; }
.lc-mock__storage-bar {
    height: 5px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 6px;
}
.lc-mock__storage-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--lc), var(--lc-2));
    animation: lc-bar-pulse 2.5s var(--ease) infinite alternate;
}
@keyframes lc-bar-pulse { from { opacity: 0.85; } to { opacity: 1; filter: brightness(1.1); } }

.lc-mock__main { padding: 12px; }
.lc-mock__toolbar {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.lc-mock__upload {
    padding: 4px 10px;
    background: var(--lc);
    color: #fff;
    border-radius: 8px;
    font-size: 0.62rem;
    animation: lc-upload-blink 2s ease-in-out infinite;
}
@keyframes lc-upload-blink {
    50% { box-shadow: 0 0 12px var(--lc-glow); }
}

.lc-mock__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}
.lc-mock__tile {
    padding: 12px 8px;
    text-align: center;
    font-size: 0.58rem;
    color: var(--muted);
    border-radius: 10px;
    border: 1px dashed rgba(99, 102, 241, 0.2);
    background: rgba(255, 255, 255, 0.6);
}
.lc-mock__tile i { display: block; font-size: 1.1rem; color: var(--lc); margin-bottom: 4px; }
.lc-mock__tile--folder i { color: #f59e0b; }
.lc-mock__tile--upload {
    border-style: solid;
    background: rgba(99, 102, 241, 0.1);
    animation: lc-zone 2.5s ease-in-out infinite;
}
@keyframes lc-zone {
    50% { border-color: var(--lc); background: rgba(99, 102, 241, 0.18); }
}

.lc-mock__dock {
    padding: 10px 8px;
    background: rgba(99, 102, 241, 0.04);
    border-left: 1px solid rgba(99, 102, 241, 0.1);
    font-size: 0.58rem;
}
.lc-mock__dock-head {
    font-weight: 700;
    color: var(--lc-dark);
    margin-bottom: 10px;
    font-size: 0.62rem;
}
.lc-mock__dock-item { margin-bottom: 8px; }
.lc-mock__dock-item span { display: block; margin-bottom: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lc-mock__dock-bar {
    height: 4px;
    background: rgba(15, 23, 42, 0.08);
    border-radius: 99px;
    overflow: hidden;
}
.lc-mock__dock-bar i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--lc), #818cf8);
    animation: lc-dock-progress 2s ease-in-out infinite;
}
.lc-mock__dock-item:nth-child(3) .lc-mock__dock-bar i { animation-delay: 0.3s; }
@keyframes lc-dock-progress {
    0% { width: 20%; }
    50% { width: 85%; }
    100% { width: 20%; }
}

.lc-mock__float {
    position: absolute;
    padding: 10px 14px;
    font-size: 0.75rem;
    font-weight: 700;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--glass-border);
    animation: lc-badge-float 4s ease-in-out infinite;
}
.lc-mock__float { top: -6px; right: -8px; }
.lc-mock__float--2 { top: auto; bottom: 12%; left: -16px; animation-delay: -1.5s; }
.lc-mock__float i { color: var(--lc); margin-right: 6px; }
@keyframes lc-badge-float {
    50% { transform: translateY(-8px); }
}

.lc-scroll-hint {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 44px;
    border: 2px solid rgba(99, 102, 241, 0.35);
    border-radius: 14px;
    text-decoration: none;
}
.lc-scroll-hint span {
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    margin-left: -2px;
    background: var(--lc);
    border-radius: 4px;
    animation: lc-scroll-dot 1.8s ease-in-out infinite;
}
@keyframes lc-scroll-dot {
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* Trust */
.lc-trust {
    text-align: center;
    padding: 32px 20px 16px;
    max-width: var(--max);
    margin: 0 auto;
}
.lc-trust p {
    margin: 0 0 16px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
}
.lc-trust__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}
.lc-trust__logos a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    color: var(--muted);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    transition: transform 0.25s var(--ease), box-shadow 0.25s, color 0.2s;
}
.lc-trust__logos a:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(99, 102, 241, 0.12); color: var(--lc-dark); }
.lc-trust__logos a.is-active {
    color: var(--lc-dark);
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(255, 255, 255, 0.8));
}

/* Marquee */
.lc-marquee-wrap {
    overflow: hidden;
    padding: 28px 0;
    margin-bottom: 16px;
    mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.lc-marquee {
    display: flex;
    gap: 20px;
    width: max-content;
    animation: lc-marquee 32s linear infinite;
}
.lc-marquee span {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    border-radius: 999px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    font-size: 1rem;
    font-weight: 700;
    color: var(--lc-dark);
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08);
}
.lc-marquee span i { color: var(--lc); font-size: 1.1rem; }
@keyframes lc-marquee {
    to { transform: translateX(-50%); }
}

/* BIG 5GB */
.lc-big5 {
    padding: var(--pad) 20px;
}
.lc-big5__inner {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: center;
    padding: clamp(48px, 8vw, 80px);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    box-shadow: 0 24px 64px rgba(99, 102, 241, 0.12);
}

.lc-big5__visual {
    position: relative;
    width: min(320px, 100%);
    margin: 0 auto;
    aspect-ratio: 1;
}
.lc-big5__ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.lc-big5__track { fill: none; stroke: rgba(99, 102, 241, 0.15); stroke-width: 6; }
.lc-big5__fill {
    fill: none;
    stroke: url(#lcGrad);
    stroke: var(--lc);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 553;
    stroke-dashoffset: 110;
    animation: lc-big5-ring 3s var(--ease) forwards;
}
@keyframes lc-big5-ring {
    to { stroke-dashoffset: 330; }
}

.lc-big5__num {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.lc-big5__val {
    font-family: "Montserrat", sans-serif;
    font-size: clamp(4rem, 12vw, 6.5rem);
    font-weight: 800;
    line-height: 1;
    color: var(--lc-dark);
}
.lc-big5__unit {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--lc);
}

.lc-big5__text h2 {
    font-family: "Montserrat", sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 16px;
    letter-spacing: -0.03em;
}
.lc-big5__text p { color: var(--muted); line-height: 1.65; margin: 0 0 24px; }
.lc-big5__list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
}
.lc-big5__list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-weight: 600;
}
.lc-big5__list i { color: #22c55e; }

/* Demo upload */
.lc-section {
    padding: var(--pad) 20px;
    max-width: var(--max);
    margin: 0 auto;
}
.lc-section__head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto clamp(40px, 6vw, 64px);
}
.lc-section__head h2 {
    font-family: "Montserrat", sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin: 0 0 14px;
    letter-spacing: -0.03em;
}
.lc-section__sub { color: var(--muted); margin: 0; font-size: 1.1rem; line-height: 1.6; }

.lc-demo__stage {
    display: grid;
    grid-template-columns: 1fr min(280px, 32%);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
    padding: 28px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.12);
}

.lc-demo__window {
    position: relative;
    min-height: 280px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.5);
    border: 2px dashed rgba(99, 102, 241, 0.25);
    overflow: hidden;
}

.lc-demo__drop {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 700;
    color: var(--lc-dark);
    z-index: 2;
    transition: opacity 0.4s;
}
.lc-demo__drop i { font-size: 3rem; color: var(--lc); animation: lc-demo-bounce 2s ease-in-out infinite; }
@keyframes lc-demo-bounce {
    50% { transform: translateY(-8px); }
}

.lc-demo__files {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.lc-demo__file {
    position: absolute;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--lc);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
    animation: lc-demo-fly 4s var(--ease) infinite;
}
.lc-demo__file:nth-child(1) { top: 15%; left: 15%; color: #f59e0b; animation-delay: 0s; }
.lc-demo__file:nth-child(2) { top: 25%; right: 20%; animation-delay: 0.6s; }
.lc-demo__file:nth-child(3) { bottom: 20%; left: 35%; color: #ef4444; animation-delay: 1.2s; }
@keyframes lc-demo-fly {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    25% { transform: translate(40%, 30%) scale(0.9); opacity: 1; }
    50% { transform: translate(55%, 50%) scale(0.85); opacity: 1; }
    75% { transform: translate(70%, 20%) scale(0.75); opacity: 0.8; }
}

.lc-demo__panel {
    padding: 18px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 16px;
    border: 1px solid rgba(99, 102, 241, 0.15);
}
.lc-demo__panel-head {
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--lc-dark);
    margin-bottom: 14px;
}
.lc-demo__panel-head i { margin-right: 8px; color: var(--lc); }
.lc-demo__job {
    margin-bottom: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}
.lc-demo__job span { display: block; margin-bottom: 6px; }
.lc-demo__bar {
    height: 6px;
    background: rgba(15, 23, 42, 0.08);
    border-radius: 99px;
    overflow: hidden;
}
.lc-demo__bar i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--lc), #818cf8);
    animation: lc-demo-bar 2.5s ease-in-out infinite;
}
.lc-demo__bar--2 i { animation-delay: 0.4s; }
.lc-demo__job.is-done .lc-demo__bar i { width: 100% !important; background: #22c55e; animation: none; }
@keyframes lc-demo-bar {
    0% { width: 8%; }
    70% { width: 92%; }
    100% { width: 100%; }
}

/* Bento */
.lc-bento--lg {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.lc-bento__card {
    position: relative;
    padding: 28px 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.35s var(--ease), box-shadow 0.35s;
}
.lc-bento__card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(99, 102, 241, 0.14);
}
.lc-bento__card--hero {
    grid-column: span 2;
    grid-row: span 2;
    padding: 40px 36px;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.lc-bento__glow {
    position: absolute;
    top: -40%;
    right: -20%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.25), transparent 70%);
    pointer-events: none;
}
.lc-bento__card--hero h3 { font-size: 1.75rem; }
.lc-bento__card--hero p { font-size: 1.05rem; }
.lc-bento__card--accent {
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.16), rgba(255, 255, 255, 0.75));
}
.lc-bento__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.12);
    color: var(--lc-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 16px;
}
.lc-bento__card h3 {
    font-family: "Montserrat", sans-serif;
    font-size: 1.15rem;
    margin: 0 0 8px;
}
.lc-bento__card p { margin: 0; color: var(--muted); line-height: 1.55; font-size: 0.95rem; }
.lc-bento__card a { color: var(--lc-dark); font-weight: 600; }

/* Showcase band */
.lc-showcase-band {
    padding: var(--pad) 20px;
    overflow: hidden;
}
.lc-showcase-band__inner {
    max-width: var(--max);
    margin: 0 auto;
    position: relative;
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lc-showcase-band__text {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 560px;
    padding: 40px 44px;
    background: var(--glass);
    backdrop-filter: blur(16px);
    border-radius: 28px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 24px 56px rgba(99, 102, 241, 0.14);
}
.lc-showcase-band__text h2 {
    font-family: "Montserrat", sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin: 0 0 14px;
}
.lc-showcase-band__text p { margin: 0; color: var(--muted); line-height: 1.65; font-size: 1.05rem; }

.lc-float-files { position: absolute; inset: 0; pointer-events: none; }
.lc-float-file {
    position: absolute;
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--lc);
    box-shadow: 0 10px 28px rgba(99, 102, 241, 0.15);
    animation: lc-float-orbit 7s ease-in-out infinite;
}
.lc-float-file:nth-child(1) { top: 5%; left: 8%; }
.lc-float-file:nth-child(2) { top: 15%; right: 6%; color: #f59e0b; animation-delay: -1s; }
.lc-float-file:nth-child(3) { bottom: 10%; left: 5%; color: #ef4444; animation-delay: -2s; }
.lc-float-file:nth-child(4) { bottom: 18%; right: 12%; color: #22c55e; animation-delay: -3s; }
.lc-float-file:nth-child(5) { top: 42%; left: 2%; animation-delay: -4s; }
.lc-float-file:nth-child(6) { top: 38%; right: 3%; color: #8b5cf6; animation-delay: -5s; }
@keyframes lc-float-orbit {
    50% { transform: translate(12px, -16px) rotate(8deg); }
}

/* Compare */
.lc-compare--lg {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 880px;
    margin: 0 auto;
}
.lc-compare__col {
    padding: 36px 32px;
    background: var(--glass);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
}
.lc-compare__col--cloud {
    background: linear-gradient(160deg, rgba(99, 102, 241, 0.18), rgba(255, 255, 255, 0.85));
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.18);
    transform: scale(1.02);
}
.lc-compare__tag {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
}
.lc-compare__col h3 {
    font-family: "Montserrat", sans-serif;
    font-size: 1.5rem;
    margin: 10px 0 20px;
}
.lc-compare__col ul {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
}
.lc-compare__col li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--muted);
    font-weight: 500;
}
.lc-compare__col li i { color: var(--lc); width: 20px; }

/* Steps horizontal */
.lc-steps--horizontal {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    max-width: 960px;
    margin: 0 auto;
    list-style: none;
    padding: 0;
}
.lc-step {
    flex: 1;
    text-align: center;
    padding: 32px 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    max-width: 280px;
}
.lc-step--line {
    flex: 0 0 48px;
    padding: 0;
    background: none;
    border: none;
    align-self: center;
    height: 2px;
    min-height: 2px;
    background: linear-gradient(90deg, transparent, var(--lc), transparent);
    border-radius: 0;
    max-width: none;
}
.lc-step__num {
    display: inline-flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--lc), var(--lc-deep));
    color: #fff;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: 16px;
    box-shadow: 0 8px 20px var(--lc-glow);
}
.lc-step h3 {
    font-family: "Montserrat", sans-serif;
    margin: 0 0 8px;
    font-size: 1.1rem;
}
.lc-step p { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* Stats */
.lc-stats-wall {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.lc-stats-wall__card {
    text-align: center;
    padding: 36px 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    transition: transform 0.35s var(--ease);
}
.lc-stats-wall__card:hover { transform: translateY(-8px) scale(1.03); }
.lc-stats-wall__num {
    font-family: "Montserrat", sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--lc-dark);
}
.lc-stats-wall__unit { font-weight: 700; color: var(--lc); font-size: 1.25rem; }
.lc-stats-wall__card p { margin: 12px 0 0; color: var(--muted); font-weight: 600; }
.lc-stats-wall__card--glow i { font-size: 2.5rem; color: var(--lc); display: block; margin-bottom: 12px; }

/* FAQ */
.lc-faq {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.lc-faq__item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}
.lc-faq__item[open] { box-shadow: 0 12px 32px rgba(99, 102, 241, 0.1); }
.lc-faq__item summary {
    padding: 20px 24px;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.lc-faq__item summary::-webkit-details-marker { display: none; }
.lc-faq__item summary::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--lc);
    font-weight: 400;
    transition: transform 0.3s;
}
.lc-faq__item[open] summary::after { transform: rotate(45deg); }
.lc-faq__item p {
    margin: 0;
    padding: 0 24px 20px;
    color: var(--muted);
    line-height: 1.65;
}

/* CTA mega */
.lc-cta-mega {
    padding: var(--pad) 20px calc(var(--pad) + 20px);
}
.lc-cta-mega__inner {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: clamp(56px, 10vw, 96px) 40px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 36px;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(99, 102, 241, 0.2);
}
.lc-cta-mega__orb {
    position: absolute;
    inset: -50%;
    background: conic-gradient(from 0deg, transparent, rgba(99, 102, 241, 0.15), transparent, rgba(56, 189, 248, 0.1), transparent);
    animation: lc-cta-spin 14s linear infinite;
    pointer-events: none;
}
@keyframes lc-cta-spin { to { transform: rotate(360deg); } }
.lc-cta-mega__inner h2 {
    position: relative;
    font-family: "Montserrat", sans-serif;
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    margin: 0 0 16px;
    letter-spacing: -0.03em;
}
.lc-cta-mega__inner > p {
    position: relative;
    color: var(--muted);
    font-size: 1.15rem;
    margin: 0 0 32px;
    line-height: 1.6;
}
.lc-cta-mega__actions {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

/* Footer */
.lc-footer {
    padding: 40px 20px 48px;
    border-top: 1px solid rgba(99, 102, 241, 0.12);
    background: rgba(255, 255, 255, 0.4);
}
.lc-footer__inner {
    max-width: var(--max);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 20px 40px;
}
.lc-footer__nav { display: flex; flex-wrap: wrap; gap: 16px 28px; }
.lc-footer__nav a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}
.lc-footer__nav a:hover { color: var(--lc-dark); }
.lc-footer__copy { width: 100%; text-align: center; margin: 12px 0 0; font-size: 0.85rem; color: var(--muted); }

/* Reveal */
.lc-reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.lc-reveal.is-visible { opacity: 1; transform: translateY(0); }
.lc-reveal--delay { transition-delay: 0.12s; }

/* Responsive */
@media (max-width: 1024px) {
    .lc-hero__grid { grid-template-columns: 1fr; text-align: center; }
    .lc-hero__lead { margin-inline: auto; }
    .lc-hero__cta, .lc-hero__stats { justify-content: center; }
    .lc-mock--hero { margin-inline: auto; }
    .lc-big5__inner { grid-template-columns: 1fr; text-align: center; }
    .lc-big5__list { display: inline-block; text-align: left; }
    .lc-bento--lg { grid-template-columns: 1fr 1fr; }
    .lc-bento__card--hero { grid-column: span 2; grid-row: span 1; min-height: 200px; }
    .lc-demo__stage { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .lc-nav { display: none; }
    .lc-burger { display: flex; }
    .lc-header__actions .lc-btn--ghost { display: none; }
    .lc-hero__stats li { padding: 12px 16px; }
    .lc-bento--lg { grid-template-columns: 1fr; }
    .lc-bento__card--hero { grid-column: span 1; }
    .lc-compare--lg { grid-template-columns: 1fr; }
    .lc-compare__col--cloud { transform: none; }
    .lc-steps--horizontal { flex-direction: column; align-items: center; }
    .lc-step--line { width: 2px; height: 32px; flex: 0 0 32px; background: linear-gradient(180deg, transparent, var(--lc), transparent); }
    .lc-stats-wall { grid-template-columns: 1fr 1fr; }
    .lc-mock__body { grid-template-columns: 80px 1fr; }
    .lc-mock__dock { display: none; }
}

@media (max-width: 480px) {
    .lc-stats-wall { grid-template-columns: 1fr; }
    .lc-hero__cta .lc-btn { width: 100%; }
    .lc-cta-mega__actions .lc-btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .lc-aurora__blob, .lc-cloud, .lc-marquee, .lc-mock, .lc-mock__float,
    .lc-float-file, .lc-demo__file, .lc-btn--glow, .lc-gradient-text,
    .lc-cta-mega__orb, .lc-pill__dot, .lc-demo__drop i {
        animation: none !important;
    }
    .lc-reveal { opacity: 1; transform: none; }
    .lc-cursor-glow, .lc-particles { display: none !important; }
}