:root{--bg:#07111f;--card:#0d1b2d;--soft:#12243a;--text:#f5f8fc;--muted:#a9b8ca;--accent:#39d0b1;--accent2:#7aa7ff;--line:#21354d}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;background:linear-gradient(180deg,#07111f,#091827 45%,#07111f);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}.wrap{max-width:1160px;margin:auto;padding:0 22px}
header{position:sticky;top:0;z-index:5;background:rgba(7,17,31,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav{min-height:72px;height:auto;display:flex;align-items:center;justify-content:flex-start;gap:12px;flex-wrap:wrap;padding:10px 0;font-size:14px}.logo{margin-right:auto;flex:0 0 auto}nav>.btn{padding:9px 12px}nav>a{white-space:nowrap}.logo{font-weight:900;font-size:24px}.logo b{color:var(--accent)}
.links{display:flex;gap:22px;align-items:center}.btn{display:inline-block;background:var(--accent);color:#052019;font-weight:800;padding:12px 18px;border-radius:12px}.btn.alt{background:transparent;color:white;border:1px solid #36516e}
.hero{padding:92px 0 70px;display:grid;grid-template-columns:1.25fr .75fr;gap:45px;align-items:center}.tag{color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.08em}
h1{font-size:58px;line-height:1.03;margin:12px 0 22px;max-width:850px}h2{font-size:38px;line-height:1.15;margin:0 0 18px}h3{margin:4px 0 8px}
.lead{font-size:20px;color:var(--muted);max-width:760px}.hero-card,.card,.price{background:rgba(13,27,45,.82);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 20px 70px rgba(0,0,0,.18)}
.hero-card strong{font-size:42px;color:var(--accent)}section{padding:72px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card p,.muted{color:var(--muted)}
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.price.featured{border-color:var(--accent);transform:translateY(-8px)}.amount{font-size:44px;font-weight:900}.price ul{padding-left:20px;color:var(--muted)}
.demo{background:linear-gradient(135deg,rgba(57,208,177,.13),rgba(122,167,255,.12));border:1px solid var(--line);border-radius:24px;padding:34px}
label{display:block;font-weight:700;margin:10px 0 7px}select,textarea,input{width:100%;background:#071421;color:white;border:1px solid #2b435e;border-radius:10px;padding:13px;font:inherit}textarea{min-height:110px}
button{border:0;cursor:pointer;margin-top:14px}.output{white-space:pre-wrap;margin-top:18px;background:#071421;border-radius:12px;padding:18px;min-height:70px;color:#dce8f5}
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted)}.lang{font-size:14px;color:var(--muted)}
@media(max-width:820px){nav{gap:8px;padding:9px 0}.logo{width:100%;margin:0}.langswitch{order:2}nav>a:not(.logo):not(.btn){font-size:13px}.hero{grid-template-columns:1fr;padding-top:55px}.grid,.prices{grid-template-columns:1fr}h1{font-size:42px}.price.featured{transform:none}}

.langswitch{display:flex;gap:8px;flex-wrap:wrap}.langswitch a{padding:5px 8px;border:1px solid var(--line);border-radius:8px;font-size:13px}.seo-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.seo-links a{color:var(--accent)}

.old-price{font-size:24px;font-weight:700;color:var(--muted);text-decoration:line-through;text-decoration-thickness:2px;margin:10px 0 2px}.hero-card .old-price+strong{display:block}

/* DentAI launch offer */
.launch-offer{position:relative;overflow:hidden}.launch-badge{display:inline-block;font-size:12px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;padding:7px 10px;border-radius:999px;background:var(--accent);color:#07121f;margin-bottom:12px}.launch-offer h2{margin:0 0 8px}.price-row{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}.price-row .old-price{font-size:25px}.price-row strong{font-size:52px}.launch-note{font-weight:800;margin:5px 0 10px}.launch-btn{margin-top:8px}

/* DentAI portfolio */
.portfolio-grid{align-items:stretch}.portfolio-card{display:flex;flex-direction:column;gap:12px}.portfolio-card .btn{margin-top:auto;align-self:flex-start}.project-preview{min-height:210px;border:1px solid var(--line);border-radius:16px;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;background:radial-gradient(circle at 80% 20%,rgba(57,208,177,.28),transparent 32%),linear-gradient(145deg,#142a42,#091523);overflow:hidden}.project-preview.concept{background:radial-gradient(circle at 75% 18%,rgba(122,167,255,.30),transparent 32%),linear-gradient(145deg,#172238,#0a1421)}.project-preview span{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.12em}.project-preview strong{font-size:26px;line-height:1.1;margin:8px 0;color:#fff}.project-preview small{color:var(--muted)}.chips{display:flex;flex-wrap:wrap;gap:7px;margin:2px 0 14px}.chips span{border:1px solid var(--line);border-radius:999px;padding:6px 9px;font-size:12px;color:var(--muted)}