/* Главная страница и вход/регистрация */

.wrap { width: min(1160px, 100% - 40px); margin: 0 auto; }

/* ---------------------------------------------------------------- шапка */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); background: rgba(10,10,12,.72); border-bottom: 1px solid rgba(255,255,255,.05); }
.demo-on .nav { top: var(--demo-h, 37px); }
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 66px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { color: var(--dim); padding: 8px 12px; border-radius: 8px; font-weight: 500; transition: .15s; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav .spacer { flex: 1; }
.nav .actions { display: flex; gap: 8px; }

/* ----------------------------------------------------------------- герой */
.hero { position: relative; padding: 84px 0 40px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -200px 0 auto 0; height: 720px; pointer-events: none;
  background: radial-gradient(520px 340px at 50% 200px, rgba(255,255,255,.10), transparent 70%); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(255,255,255,.09) 1px, transparent 1.2px); background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(600px 380px at 50% 180px, #000 30%, transparent 75%); mask-image: radial-gradient(600px 380px at 50% 180px, #000 30%, transparent 75%); }
.hero .wrap { position: relative; z-index: 1; text-align: center; display: grid; justify-items: center; gap: 22px; }
.hero-mark { width: 68px; height: 68px; border-radius: 20px; display: grid; place-items: center;
  background: linear-gradient(180deg, #222228, #111114); border: 1px solid #2f2f37; box-shadow: 0 20px 60px -10px rgba(255,255,255,.25), 0 1px 0 rgba(255,255,255,.08) inset; }
.hero-mark svg { width: 36px; height: 36px; }
.hero h1 { max-width: 820px; }
.hero .lead { font-size: clamp(15px, 1.8vw, 18px); color: var(--sub); max-width: 600px; line-height: 1.6; font-weight: 400; }
.hero .cta { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }
.hero .facts { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; color: var(--dim); font-size: 13px; margin-top: 4px; }
.hero .facts span { display: inline-flex; align-items: center; gap: 7px; }
.hero .facts .ico { color: var(--sub); }

.shot { position: relative; margin: 56px auto 32px; width: min(1000px, 100%); }
.shot::before { content: ""; position: absolute; inset: 8% 6% -4%; background: radial-gradient(closest-side, rgba(255,255,255,.14), transparent); filter: blur(30px); z-index: 0; }
.shot .frame { position: relative; z-index: 1; border-radius: 16px; padding: 6px; background: linear-gradient(180deg, #2a2a30, #121215 40%); box-shadow: 0 40px 120px -30px rgba(0,0,0,.9); }
.shot .frame img { border-radius: 11px; width: 100%; }
.shot .float { position: absolute; z-index: 2; width: 34%; left: 24px; bottom: -24px; border-radius: 14px; padding: 5px;
  background: linear-gradient(180deg, #2c2c33, #121215 40%); box-shadow: 0 30px 80px -20px rgba(0,0,0,.95); }
.shot .float img { border-radius: 10px; }

/* --------------------------------------------------------------- секции */
.section { padding: 100px 0 0; }
.section-head { display: grid; gap: 12px; justify-items: center; text-align: center; margin-bottom: 40px; }
.section-head p { color: var(--sub); max-width: 560px; font-weight: 400; font-size: 15.5px; }

.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.feature { padding: 22px; display: grid; gap: 12px; align-content: start; transition: border-color .2s, transform .2s; }
.feature:hover { border-color: var(--border-2); transform: translateY(-2px); }
.feature h3 { font-size: 16px; }
.feature p { color: var(--sub); font-size: 13.5px; font-weight: 400; line-height: 1.6; }
.feature .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.feature .tags span { font-size: 11.5px; color: var(--dim); padding: 3px 8px; border-radius: 6px; background: var(--frame); border: 1px solid var(--border); }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; counter-reset: step; }
.step { padding: 24px; display: grid; gap: 10px; }
.step .n { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-weight: 700; font-size: 13px;
  background: linear-gradient(180deg, #fff, #d4d4d9); color: var(--on-accent); box-shadow: 0 8px 22px -8px rgba(255,255,255,.4); }
.step p { color: var(--sub); font-size: 13.5px; font-weight: 400; line-height: 1.6; }

.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.plan { padding: 26px; display: flex; flex-direction: column; gap: 16px; }
.plan .price { font-size: 34px; font-weight: 600; letter-spacing: -0.03em; }
.plan .price small { font-size: 14px; color: var(--dim); font-weight: 500; letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; color: var(--sub); font-size: 13.5px; }
.plan li { display: flex; gap: 9px; align-items: center; }
.plan li .ico { color: var(--text); }
.plan .btn { margin-top: auto; }
.plan.featured { border-color: rgba(255,255,255,.22); background: linear-gradient(180deg, #1a1a1e, #111114); box-shadow: 0 30px 80px -30px rgba(255,255,255,.18), var(--shadow); }
.plan.featured::before { background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent); }

.faq { width: min(760px, 100%); margin: 0 auto; display: grid; gap: 10px; }
.faq details { padding: 0; overflow: hidden; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 20px; display: flex; align-items: center; gap: 12px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { margin-left: auto; color: var(--dim); transition: transform .2s; }
.faq details[open] summary .ico { transform: rotate(180deg); }
.faq .a { padding: 0 20px 18px; color: var(--sub); font-weight: 400; line-height: 1.65; }

.band { margin-top: 100px; padding: 48px; text-align: center; display: grid; gap: 16px; justify-items: center; overflow: hidden; }
.band::after { content: ""; position: absolute; inset: -40% 20% auto; height: 300px; background: radial-gradient(closest-side, rgba(255,255,255,.12), transparent); pointer-events: none; }
.band > * { position: relative; z-index: 1; }

.footer { margin-top: 80px; border-top: 1px solid var(--border); padding: 28px 0 40px; color: var(--dim); font-size: 13px; }
.footer .wrap { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.footer .links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer a:hover { color: var(--text); }

/* -------------------------------------------------------------- вход */
.auth { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); min-height: 100vh; }
.demo-on .auth { min-height: calc(100vh - var(--demo-h, 37px)); }
.auth-side { position: relative; overflow: hidden; display: flex; flex-direction: column; padding: 32px 36px;
  background: linear-gradient(180deg, #101013, #0a0a0c); border-right: 1px solid var(--border); }
.auth-side::before { content: ""; position: absolute; inset: 0; opacity: .7;
  background-image: radial-gradient(rgba(255,255,255,.12) 1px, transparent 1.2px); background-size: 20px 20px;
  -webkit-mask-image: radial-gradient(360px 300px at 50% 42%, #000, transparent 75%); mask-image: radial-gradient(360px 300px at 50% 42%, #000, transparent 75%); }
.auth-side::after { content: ""; position: absolute; left: 50%; top: 42%; width: 420px; height: 420px; transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(255,255,255,.11), transparent); pointer-events: none; }
.auth-side > * { position: relative; z-index: 1; }
.auth-side .center { flex: 1; display: grid; place-items: center; }
.auth-side .center svg { width: 76px; height: 76px; filter: drop-shadow(0 10px 40px rgba(255,255,255,.25)); }
.auth-side h2 { font-size: 28px; }
.auth-side .foot { display: flex; align-items: center; gap: 8px; padding-top: 20px; margin-top: 24px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--sub); }
.auth-main { display: grid; place-items: center; padding: 40px 20px; position: relative; }
.auth-form { width: min(380px, 100%); display: grid; gap: 16px; }
.auth-form h1 { font-size: 28px; letter-spacing: -0.03em; }
.auth-form .sub { color: var(--dim); margin-top: 8px; }
.auth-tabs { width: 100%; }
.auth-tabs button { flex: 1; }
.auth-back { position: absolute; top: 24px; right: 24px; }
.strength { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.strength i { height: 3px; border-radius: 3px; background: var(--frame); transition: .2s; }
.strength.s1 i:nth-child(-n+1) { background: var(--red); }
.strength.s2 i:nth-child(-n+2) { background: var(--yellow); }
.strength.s3 i:nth-child(-n+3) { background: #c7e36b; }
.strength.s4 i { background: var(--green); }

@media (max-width: 900px) {
  .features, .steps, .plans { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .shot .float { display: none; }
  .auth { grid-template-columns: 1fr; }
  .auth-side { display: none; }
  .band { padding: 32px 20px; }
}
@media (max-width: 520px) {
  .nav .actions .btn.ghost { display: none; }
  .hero { padding-top: 56px; }
}