:root { --bg: #07080b; --card: #101218; --soft: #161921; --line: rgba(255, 255, 255, 0.08); --line2: rgba(255, 255, 255, 0.14); --ink: #f1f2f5; --mut: #8b919d; --y: #facc15; --p: #ec4899; --r: #f43f5e; color-scheme: dark; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font: 400 16px/1.6 Inter, system-ui, sans-serif; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
.muted { color: var(--mut); } .small { font-size: 13px; } .center { text-align: center; }
.grad { background: linear-gradient(90deg, var(--y), var(--p) 45%, var(--r)); -webkit-background-clip: text; background-clip: text; color: transparent; }
kbd { font-family: 'JetBrains Mono', monospace; font-size: 11px; padding: 1px 6px; border: 1px solid var(--line2); border-radius: 5px; background: var(--soft); margin: 0 1px; }
.dots { display: inline-flex; margin-right: 10px; } .dots i { width: 13px; height: 13px; border-radius: 50%; margin-right: -5px; } .dots i:nth-child(1) { background: var(--y); } .dots i:nth-child(2) { background: var(--p); opacity: 0.85; } .dots i:nth-child(3) { background: var(--r); opacity: 0.85; }
.btn { display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 20px; border-radius: 12px; font-weight: 600; border: 1px solid var(--line2); background: var(--soft); transition: transform 0.2s, border-color 0.2s; }
.btn:hover { transform: translateY(-1px); border-color: rgba(255, 255, 255, 0.28); }
.btn.primary { background: linear-gradient(90deg, var(--r), var(--p)); border-color: transparent; color: #fff; box-shadow: 0 10px 30px -10px rgba(236, 72, 153, 0.6); }
.btn.ghost { background: rgba(255, 255, 255, 0.04); }
.btn.sm { height: 38px; font-size: 14px; border-radius: 10px; }
.btn.lg { height: 60px; padding: 0 26px; font-size: 16px; border-radius: 14px; flex-direction: column; justify-content: center; gap: 0; }
.btn .sub { font-size: 11.5px; font-weight: 500; opacity: 0.85; }
.nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 68px; padding: 0 max(20px, calc(50vw - 560px)); background: rgba(7, 8, 11, 0.8); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; font-weight: 700; font-size: 18px; letter-spacing: -0.04em; } .brand b { color: var(--mut); font-weight: 500; margin-left: 5px; }
.nav nav { display: flex; gap: 26px; font-size: 14px; color: var(--mut); } .nav nav a:hover { color: var(--ink); }
@media (max-width: 760px) { .nav nav { display: none; } }
section { padding: 100px max(20px, calc(50vw - 560px)); position: relative; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 50px; }
.sec-head h2 { font-size: clamp(32px, 4.6vw, 54px); line-height: 1.05; letter-spacing: -0.045em; font-weight: 600; }
.sec-head p { margin-top: 14px; font-size: 17px; }
.hero { text-align: center; padding-top: 90px; overflow: hidden; }
.glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.3; pointer-events: none; }
.g1 { width: 700px; height: 600px; background: var(--p); left: -250px; top: -250px; } .g2 { width: 520px; height: 520px; background: var(--y); right: -220px; top: 200px; opacity: 0.14; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px; border-radius: 99px; border: 1px solid var(--line2); background: rgba(255, 255, 255, 0.04); font-size: 13px; color: #d5d7dd; }
.pill i { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.15); }
h1 { font-size: clamp(44px, 7vw, 88px); line-height: 1; letter-spacing: -0.055em; font-weight: 600; margin: 26px 0 0; position: relative; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--mut); max-width: 680px; margin: 24px auto 34px; position: relative; }
.cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; position: relative; }
.fine { font-size: 13px; color: var(--mut); margin-top: 18px; position: relative; }
.mock { max-width: 860px; margin: 64px auto 0; border-radius: 20px; border: 1px solid var(--line2); background: var(--card); text-align: left; box-shadow: 0 60px 140px -40px rgba(236, 72, 153, 0.35), 0 30px 80px rgba(0, 0, 0, 0.6); overflow: hidden; position: relative; }
.mock-bar { display: flex; align-items: center; gap: 8px; height: 42px; padding: 0 16px; border-bottom: 1px solid var(--line); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a2e38; } .mock-bar span { margin-left: 10px; font-size: 12px; color: var(--mut); }
.mock-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.m-user { align-self: flex-end; background: var(--soft); border: 1px solid var(--line); border-radius: 14px 14px 4px 14px; padding: 10px 14px; max-width: 80%; }
.m-step { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: #0c0e13; font-size: 13px; opacity: 0; animation: in 0.6s forwards; }
.m-step:nth-child(2) { animation-delay: 0.3s; } .m-step:nth-child(3) { animation-delay: 0.9s; } .m-step:nth-child(4) { animation-delay: 1.5s; }
.m-step code { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: #fda4af; }
.m-ai { line-height: 1.7; opacity: 0; animation: in 0.6s 2.1s forwards; } .hl { color: #fde68a; }
.m-stat { font-size: 12px; color: var(--mut); opacity: 0; animation: in 0.6s 2.6s forwards; }
@keyframes in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr 1fr; } } @media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.grid article, .dev div { padding: 24px; border-radius: 20px; border: 1px solid var(--line); background: linear-gradient(180deg, var(--card), #0c0e13); }
.grid .ic, .dev .ic { font-size: 26px; }
.grid h3 { font-size: 18px; margin: 14px 0 8px; letter-spacing: -0.02em; } .grid p, .dev p { color: var(--mut); font-size: 14.5px; }
.dev { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 980px; margin: 0 auto 26px; }
@media (max-width: 760px) { .dev { grid-template-columns: 1fr; } }
.dev b { display: block; font-size: 20px; margin: 10px 0 6px; }
.privacy ul { list-style: none; max-width: 720px; margin: 0 auto; display: grid; gap: 14px; }
.privacy li { padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line); background: var(--card); color: var(--mut); } .privacy li b { color: var(--ink); }
.how ol { max-width: 640px; margin: 0 auto; display: grid; gap: 12px; padding-left: 24px; font-size: 17px; } .how li { color: var(--mut); } .how li b { color: var(--ink); }
.faq details { max-width: 760px; margin: 0 auto 10px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 16px 20px; }
.faq summary { cursor: pointer; font-weight: 600; } .faq p { color: var(--mut); margin-top: 10px; }
.foot { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 50px 20px 60px; border-top: 1px solid var(--line); text-align: center; }
.foot a { text-decoration: underline; text-underline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } .m-step, .m-ai, .m-stat { opacity: 1; } }