/* ==========================================================
   FaceSwapper — main stylesheet
   Light theme · Poppins · 1140px layout width
   ========================================================== */

@font-face{font-family:"Poppins";src:url("../fonts/poppins-regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Poppins";src:url("../fonts/poppins-medium.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Poppins";src:url("../fonts/poppins-bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

:root{
  --bg:#f7f9fe;
  --white:#ffffff;
  --navy:#0b1b4d;
  --blue:#0b5fff;
  --blue-d:#0849c9;
  --cyan:#00c2ec;
  --cyan-l:#00e5ff;
  --text:#38446a;
  --muted:#5d6888;
  --line:#dfe7f6;
  --tint:#eaf3ff;
  --tint-2:#e3f6fd;
  --ok:#0aa66b;
  --bad:#d9364c;
  --grad:linear-gradient(90deg,#0b5fff 0%,#00c2ec 100%);
  --shadow-s:0 4px 14px rgba(20,60,140,.07);
  --shadow-m:0 14px 34px rgba(20,60,140,.12);
  --wrap:1140px;
  --head-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Poppins",Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);overflow-x:hidden}
img,svg,canvas{max-width:100%;display:block}
img{height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-d)}
button,input,select,textarea{font-family:"Poppins",Arial,sans-serif;font-size:inherit}
h1,h2,h3,h4{font-family:"Poppins",Arial,sans-serif;color:var(--navy);line-height:1.22;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (min-width:1180px){.wrap{padding:0}}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.skip-link{position:absolute;left:12px;top:-60px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;z-index:1000}
.skip-link:focus{top:12px;color:#fff}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;cursor:pointer;font-weight:600;font-size:15.5px;line-height:1;padding:16px 28px;border-radius:999px;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:0 0 auto}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(11,95,255,.28)}
.btn-primary:hover{background:var(--blue-d);color:#fff;transform:translateY(-2px)}
.btn-cyan{background:var(--cyan-l);color:var(--navy);box-shadow:0 8px 18px rgba(0,194,236,.3)}
.btn-cyan:hover{background:#38ecff;color:var(--navy);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-link{background:none;color:var(--navy);padding:10px 4px;font-weight:600}
.btn-link .play{width:38px;height:38px;border-radius:50%;border:2px solid var(--blue);display:grid;place-items:center;color:var(--blue)}
.btn-link .play svg{width:14px;height:14px}
.btn-link:hover{color:var(--blue)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{padding:11px 18px;font-size:14px}

/* ---------- Announcement bar ---------- */
.announce{background:var(--grad);color:#fff;font-size:13.5px;font-weight:500}
.announce .wrap{display:flex;align-items:center;justify-content:center;gap:10px;min-height:38px;position:relative;padding-right:44px;text-align:center}
.announce svg{width:16px;height:16px;flex:0 0 auto}
.announce-close{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.18);border:0;color:#fff;width:26px;height:26px;border-radius:50%;cursor:pointer;display:grid;place-items:center}
.announce-close svg{width:12px;height:12px}
.announce.is-hidden{display:none}

/* ---------- Header ---------- */
#site-header{position:sticky;top:0;z-index:100;display:block;min-height:var(--head-h);background:rgba(247,249,254,.86);-webkit-backdrop-filter:saturate(160%) blur(14px);backdrop-filter:saturate(160%) blur(14px);transition:box-shadow .25s ease,background-color .25s ease}
#site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,60,140,.09);background:rgba(255,255,255,.94)}
.head-bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:var(--head-h)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:22px;color:var(--navy);letter-spacing:-.3px}
.brand img{width:40px;height:40px}
.brand:hover{color:var(--navy)}
.main-nav{justify-self:center}
.main-nav ul{list-style:none;margin:0;padding:6px;display:flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow-s)}
.main-nav a{display:block;padding:8px 18px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--navy);transition:background-color .2s ease,color .2s ease}
.main-nav a:hover{background:var(--tint);color:var(--blue)}
.main-nav a.is-active{background:var(--blue);color:#fff}
.head-cta{justify-self:end;display:flex;align-items:center;gap:10px}
.head-cta .btn{padding:12px 22px;font-size:14.5px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--navy);cursor:pointer;place-items:center}
.nav-toggle svg{width:22px;height:22px}
.mobile-panel{display:none}

@media (max-width:1020px){
  .main-nav{display:none}
  .head-bar{grid-template-columns:1fr auto}
  .nav-toggle{display:grid}
  .mobile-panel{display:block;position:fixed;inset:0;overflow:hidden;z-index:200;background:rgba(11,27,77,.35);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s}
  .mobile-panel.is-open{opacity:1;visibility:visible}
  .mobile-sheet{position:absolute;top:0;right:0;width:min(340px,88vw);height:100%;background:#fff;padding:22px;display:flex;flex-direction:column;gap:18px;transform:translateX(100%);transition:transform .3s ease;overflow-y:auto}
  .mobile-panel.is-open .mobile-sheet{transform:none}
  .mobile-top{display:flex;align-items:center;justify-content:space-between}
  .mobile-sheet ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
  .mobile-sheet ul a{display:block;padding:13px 14px;border-radius:12px;font-weight:500;color:var(--navy)}
  .mobile-sheet ul a:hover,.mobile-sheet ul a.is-active{background:var(--tint);color:var(--blue)}
}
@media (max-width:480px){.head-cta .btn{padding:10px 14px;font-size:13.5px}.brand{font-size:19px}.brand img{width:34px;height:34px}}


/* ---------- Sections (common) ---------- */
.section{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:34px;text-align:left}
.sec-head h2,.h2{font-size:clamp(26px,3.2vw,36px);letter-spacing:-.5px;margin-bottom:12px}
.sec-head p,.sec-desc{font-size:16.5px;color:var(--muted);margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 1. Hero ---------- */
.hero{padding:34px 0 26px}
.hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:30px;align-items:center}
.hero h1{font-size:clamp(32px,4.6vw,52px);letter-spacing:-1.2px;line-height:1.12;margin-bottom:18px}
.hero-desc{font-size:17px;color:var(--text);max-width:520px;margin-bottom:20px}
.hero-ticks{list-style:none;margin:0 0 28px;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-ticks li{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:500;color:var(--navy)}
.hero-ticks svg{width:18px;height:18px;color:var(--cyan)}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px 26px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:1100/575;-webkit-mask-image:radial-gradient(ellipse 98% 96% at 55% 50%,#000 72%,transparent 100%);mask-image:radial-gradient(ellipse 98% 96% at 55% 50%,#000 72%,transparent 100%)}

/* ---------- 2. Tool ---------- */
.tool-panel{background:linear-gradient(135deg,#eef5ff 0%,#e8f8fd 100%);border:1px solid #d9e7fb;border-radius:28px;padding:38px}
.tool-top{display:grid;grid-template-columns:.85fr 2fr;gap:34px;align-items:start}
.tool-top .sec-head{margin:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative}
.step{position:relative;background:#fff;border:1.5px solid #e1ebfa;border-radius:20px;padding:30px 18px 20px;text-align:center;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column;align-items:center}
.step:not(:last-child)::after{content:"";position:absolute;right:-19px;top:50%;width:12px;height:12px;border-top:2.5px solid var(--navy);border-right:2.5px solid var(--navy);transform:translateY(-50%) rotate(45deg)}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#c5dafb}
.step-num{position:absolute;top:-14px;left:16px;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:15px;display:grid;place-items:center;box-shadow:0 6px 14px rgba(11,95,255,.3)}
.step-ic{width:44px;height:44px;color:var(--blue);margin-bottom:8px}
.step-ic svg{width:44px;height:44px}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{font-size:13.5px;line-height:1.55;color:var(--muted);margin:0 0 12px}
.drop{cursor:pointer}
.drop.is-drag{border-color:var(--blue);background:#f2f7ff}
.drop:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(11,95,255,.15)}
.drop input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.drop .pick{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--blue);background:var(--tint);padding:8px 14px;border-radius:999px;margin-top:auto}
.drop .thumb{width:100%;height:74px;border-radius:12px;object-fit:cover;margin:0 0 10px;display:none}
.drop.has-file .thumb{display:block}
.drop.has-file .step-ic{display:none}
.step-actions{display:flex;flex-direction:column;gap:8px;width:100%;margin-top:auto}
.step-actions .btn{width:100%;padding:12px 16px;font-size:14px}

.progress{display:grid;grid-template-columns:repeat(3,1fr);margin:30px 0 0 calc(30.4% + 0px);position:relative}
.progress::before{content:"";position:absolute;left:16.66%;right:16.66%;top:14px;height:3px;background:#d3e2f8;border-radius:3px}
.progress .bar{position:absolute;left:16.66%;top:14px;height:3px;width:0;background:var(--grad);border-radius:3px;transition:width .4s ease}
.pnode{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:13.5px;font-weight:500;color:var(--muted);position:relative}
.pdot{width:30px;height:30px;border-radius:50%;background:#fff;border:2.5px solid #b9cdf0;display:grid;place-items:center;color:#fff}
.pdot svg{width:14px;height:14px;opacity:0}
.pnode.is-done .pdot{background:var(--blue);border-color:var(--blue)}
.pnode.is-done .pdot svg{opacity:1}
.pnode.is-current .pdot{border-color:var(--cyan);background:var(--cyan-l);box-shadow:0 0 0 6px rgba(0,229,255,.2)}
.pnode.is-done,.pnode.is-current{color:var(--blue)}

.workspace{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.editor,.result-box,.options{background:#fff;border:1px solid #e1ebfa;border-radius:20px;padding:18px}
.editor-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.editor-head h3{font-size:16px;margin:0}
.editor-head span{font-size:12.5px;color:var(--muted)}
.stage{position:relative;border-radius:14px;overflow:hidden;background:repeating-conic-gradient(#f1f5fc 0 25%,#fff 0 50%) 0 0/22px 22px;min-height:220px;display:grid;place-items:center}
.stage canvas{width:auto;height:auto;max-width:100%;max-height:460px;touch-action:none;cursor:grab}
.result-box .stage canvas{cursor:default;max-height:560px}
.stage canvas.is-grabbing{cursor:grabbing}
.stage .empty{padding:30px;text-align:center;font-size:14px;color:var(--muted)}
.stage .empty svg{width:40px;height:40px;margin:0 auto 8px;color:#9bb5e3}
.ctrls{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.ctrl label{display:flex;justify-content:space-between;font-size:12.5px;font-weight:500;color:var(--navy);margin-bottom:4px}
.ctrl output{color:var(--blue);font-weight:600}
input[type=range]{width:100%;accent-color:var(--blue);height:24px;cursor:pointer}
.editor-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--navy);padding:8px 13px;border-radius:999px;font-size:13px;font-weight:500;cursor:pointer;transition:border-color .2s ease,color .2s ease}
.chip-btn svg{width:15px;height:15px}
.chip-btn:hover{border-color:var(--blue);color:var(--blue)}
.chip-btn[disabled]{opacity:.45;cursor:not-allowed}
.result-row{grid-column:1/-1;display:grid;grid-template-columns:320px 1fr;gap:22px}
.options h3{font-size:16px;margin-bottom:12px}
.opt{margin-bottom:14px}
.opt label{display:flex;justify-content:space-between;font-size:13px;font-weight:500;color:var(--navy);margin-bottom:4px}
.check{display:flex!important;align-items:center;justify-content:flex-start!important;gap:10px;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--blue)}
.opt-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.status{margin-top:14px;font-size:13.5px;padding:10px 12px;border-radius:12px;background:var(--tint);color:var(--navy);min-height:44px}
.status.is-error{background:#fdecef;color:#9b1c30}
.status.is-ok{background:#e6f8f0;color:#0b6b46}
.result-box .stage{min-height:300px}
.result-foot{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;margin-top:12px;font-size:13px;color:var(--muted)}

/* ---------- 3. What is ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr auto 1fr;gap:40px;align-items:center}
.about-vline{width:2px;height:150px;background:linear-gradient(var(--blue),var(--cyan-l));border-radius:2px;opacity:.55}
.about-img img{width:100%;aspect-ratio:1100/449;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 6%,#000 94%,transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 6%,#000 94%,transparent 100%)}
.about-text p{color:var(--text)}
.about-text p:last-child{margin:0}

/* ---------- 4. Features ---------- */
.features-grid{display:grid;grid-template-columns:270px 1fr;gap:34px;align-items:start}
.features-intro{position:sticky;top:calc(var(--head-h) + 30px)}
.features-intro .sec-head{margin-bottom:22px}
.features-intro .btn{margin-top:4px}
.feat-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{padding:22px 20px;border-radius:18px;background:linear-gradient(160deg,#eaf3ff 0%,#f1f8ff 60%,#e8f8fd 100%);transition:transform .25s ease,box-shadow .25s ease}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.feat-ic{width:46px;height:46px;color:var(--blue);margin-bottom:12px;transition:transform .25s ease}
.feat-ic svg{width:46px;height:46px}
.feat:hover .feat-ic{transform:translateY(-3px) rotate(-4deg)}
.feat h3{font-size:16.5px;margin-bottom:6px}
.feat p{font-size:14px;line-height:1.6;color:var(--muted);margin:0}

/* ---------- 5. In action ---------- */
.action-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:center}
.action-grid .sec-head{margin-bottom:18px}
.action-copy p{color:var(--text)}
.ba-figure{margin:0}
.ba-figure img{width:100%;aspect-ratio:1200/356;border-radius:24px;box-shadow:var(--shadow-m)}
.ba-legend{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.ba-legend div{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);line-height:1.5}
.ba-legend b{display:inline-block;min-width:62px;text-align:center;padding:4px 10px;border-radius:999px;font-size:12.5px;color:var(--navy);background:#e9edf5}
.ba-legend div:last-child b{background:var(--cyan-l)}
.ba-note{font-size:12.5px;color:var(--muted);margin:10px 0 0}

/* ---------- 6. Creative ways ---------- */
.ways{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.way{background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-s);transition:transform .25s ease,box-shadow .25s ease}
.way:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.way-img{overflow:hidden}
.way-img img{width:100%;aspect-ratio:780/300;object-fit:cover;transition:transform .5s ease}
.way:hover .way-img img{transform:scale(1.05)}
.way-body{padding:16px 18px 20px}
.way-body h3{font-size:16px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.way-body h3 svg{width:20px;height:20px;color:var(--blue);flex:0 0 auto}
.way-body p{font-size:13.8px;line-height:1.6;color:var(--muted);margin:0}

/* ---------- 7+8. Why choose + Tips (split row) ---------- */
.split-row{display:grid;grid-template-columns:1fr 1px 1.15fr;gap:36px;align-items:start}
.split-row > .split-line{background:var(--line);align-self:stretch}
.split-row .section{padding:0}
.why-body{display:grid;grid-template-columns:1fr 150px;gap:18px;align-items:center}
.why-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.why-list li{display:grid;grid-template-columns:26px 1fr;gap:12px}
.why-list .tick{width:26px;height:26px;border-radius:50%;background:#d6f8fd;color:#00a5c9;display:grid;place-items:center}
.why-list .tick svg{width:15px;height:15px}
.why-list h3{font-size:15.5px;margin:0 0 2px}
.why-list p{font-size:13.8px;line-height:1.55;color:var(--muted);margin:0}
.why-trophy img{width:150px;aspect-ratio:452/528;-webkit-mask-image:radial-gradient(ellipse 80% 85% at 50% 50%,#000 65%,transparent 100%);mask-image:radial-gradient(ellipse 80% 85% at 50% 50%,#000 65%,transparent 100%)}
.tips-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tip{background:#fff;border-radius:16px;overflow:hidden;border:1px solid #e3ebf8;transition:transform .25s ease,box-shadow .25s ease}
.tip:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.tip img{width:100%;aspect-ratio:500/170;object-fit:cover}
.tip div{padding:12px 14px 14px}
.tip h3{font-size:14.5px;margin-bottom:4px}
.tip p{font-size:13px;line-height:1.55;color:var(--muted);margin:0}
.tips-more{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.tip-line{display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:start;padding:12px 0 0;border-top:1px dashed #cfdcf2}
.tip-line .ic{width:40px;height:40px;border-radius:12px;background:var(--tint);color:var(--blue);display:grid;place-items:center}
.tip-line .ic svg{width:22px;height:22px}
.tip-line h3{font-size:14.5px;margin:0 0 2px}
.tip-line p{font-size:13px;line-height:1.55;color:var(--muted);margin:0}

/* ---------- 9. Benefits band ---------- */
.benefits-band{display:grid;grid-template-columns:270px 1fr;gap:26px;align-items:center;background:linear-gradient(120deg,#e6f1ff 0%,#e5f7fd 100%);border-radius:24px;padding:34px 30px}
.benefits-band .sec-head{margin:0}
.ben-cols{display:grid;grid-template-columns:repeat(5,1fr)}
.ben{padding:6px 14px;text-align:center;position:relative;transition:transform .25s ease}
.ben + .ben::before{content:"";position:absolute;left:0;top:12%;bottom:12%;width:1px;background:#c6d8f3}
.ben:hover{transform:translateY(-4px)}
.ben svg{width:36px;height:36px;color:var(--blue);margin:0 auto 8px}
.ben h3{font-size:14.5px;margin-bottom:4px}
.ben p{font-size:12.8px;line-height:1.55;color:var(--muted);margin:0}

/* ---------- 10. Privacy ---------- */
.privacy-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}
.privacy-img img{width:100%;aspect-ratio:1000/347;border-radius:26px}
.privacy-copy p{color:var(--text)}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;list-style:none;padding:0}
.pills li{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:var(--tint);color:var(--navy);font-size:13.5px;font-weight:500}
.pills svg{width:18px;height:18px;color:var(--blue)}

/* ---------- 11. FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:330px 1fr;gap:44px;align-items:start}
.faq-side{position:sticky;top:calc(var(--head-h) + 30px)}
.faq-side .sec-head h2{font-size:clamp(28px,3.4vw,38px)}
.faq-cat{margin-bottom:26px}
.faq-cat h3{font-size:15px;text-transform:uppercase;letter-spacing:.6px;color:var(--blue);margin:0 0 12px;display:flex;align-items:center;gap:8px}
.faq-cat h3 svg{width:18px;height:18px}
.faq-item{background:#fff;border:1px solid #e1e9f6;border-radius:16px;margin-bottom:10px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:#bcd3f8;box-shadow:var(--shadow-s)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:none;border:0;padding:15px 20px;font-weight:600;font-size:15px;color:var(--navy);cursor:pointer;border-radius:16px;line-height:1.45}
.faq-q svg{width:18px;height:18px;flex:0 0 auto;transition:transform .25s ease;color:var(--navy)}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);color:var(--blue)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 20px 16px;margin:0;font-size:14.5px;color:var(--muted)}

/* ---------- Footer ---------- */
#site-footer{display:block;margin-top:30px;background:#fff;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:50px 0 34px}
.foot-brand p{font-size:14.5px;color:var(--muted);max-width:380px;margin:14px 0 0}
.foot-col h2{font-size:15px;margin:0 0 14px}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.foot-col a{color:var(--muted);font-size:14.5px;text-decoration:none}
.foot-col a:hover{color:var(--blue)}
.foot-bottom{border-top:1px solid var(--line);padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.foot-bottom a{color:var(--blue);text-decoration:none;font-weight:600}
.foot-bottom p{margin:0}

/* ---------- Scroll to top ---------- */
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;border:0;background:var(--blue);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 22px rgba(11,95,255,.3);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s;z-index:90}
.to-top svg{width:20px;height:20px}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}

/* ---------- Inner pages ---------- */
.page-hero{padding:46px 0 24px}
.breadcrumb{font-size:13.5px;color:var(--muted);margin-bottom:12px}
.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:#9aa6c4}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--blue)}
.page-hero h1{font-size:clamp(28px,4vw,44px);letter-spacing:-.8px;max-width:860px}
.page-hero .sec-desc{max-width:760px}
.prose{font-size:16.5px}
.prose h2{font-size:clamp(22px,2.6vw,28px);margin:38px 0 14px}
.prose h3{font-size:19px;margin:26px 0 10px}
.prose ul{padding-left:0;list-style:none;margin:0 0 1.2em}
.prose ul li{position:relative;padding-left:28px;margin-bottom:8px}
.prose ul li::before{content:"";position:absolute;left:4px;top:.62em;width:9px;height:9px;border-radius:50%;background:var(--grad)}
.prose a{text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--navy)}
.table-wrap{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--line);border-radius:14px;background:#fff}
.prose table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.prose th,.prose td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:var(--tint);color:var(--navy);font-weight:600}
.prose tr:last-child td{border-bottom:0}
.legal-body{max-width:860px;padding-bottom:30px}
.contact-card{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 24px;max-width:560px;margin:10px 0 24px}
.contact-card svg{width:40px;height:40px;color:var(--blue);flex:0 0 auto}
.contact-card span{display:block;font-size:13px;color:var(--muted)}
.contact-card strong{font-size:18px;color:var(--navy);word-break:break-all}

/* Blog list */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-bottom:40px}
.post-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.post-card img{width:100%;aspect-ratio:1200/630;object-fit:cover}
.post-card .pc-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-card .tag{font-size:12px;font-weight:600;color:var(--blue);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.post-card h2{font-size:18px;line-height:1.35;margin-bottom:8px}
.post-card h2 a{color:var(--navy)}
.post-card h2 a:hover{color:var(--blue)}
.post-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
.post-card .more{margin-top:auto;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.post-card .more svg{width:16px;height:16px;transition:transform .2s ease}
.post-card:hover .more svg{transform:translateX(4px)}

/* Article layout */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;padding-bottom:40px}
.article-figure{margin:0 0 26px}
.article-figure img{width:100%;aspect-ratio:1200/630;border-radius:22px;box-shadow:var(--shadow-m)}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13.5px;color:var(--muted);margin:4px 0 0}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:16px;height:16px;color:var(--blue)}
.sidebar{position:sticky;top:calc(var(--head-h) + 18px);max-height:calc(100vh - var(--head-h) - 36px);overflow-y:auto;overscroll-behavior:contain;padding-right:6px;scrollbar-width:thin;scrollbar-color:#bcd0f2 transparent}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:#bcd0f2;border-radius:6px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:18px}
.side-box h2{font-size:16px;margin-bottom:12px}
.side-cta{background:linear-gradient(140deg,#e9f2ff,#e4f8fd);border:0}
.side-cta p{font-size:14px;color:var(--muted)}
.side-cta .btn{width:100%}
.toc ul,.side-links ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.toc a{display:block;font-size:14px;color:var(--muted);padding:6px 10px;border-left:2px solid var(--line);line-height:1.45}
.toc a:hover,.toc a.is-active{color:var(--blue);border-left-color:var(--blue);background:var(--tint)}
.side-links a{display:block;width:100%;min-width:0;padding:11px 12px;font-size:13.5px;font-weight:500;color:var(--navy);line-height:1.55;overflow-wrap:break-word;word-break:normal;border-radius:10px;transition:background-color .18s ease,color .18s ease}
.side-links a:hover,.side-links a:focus-visible{color:var(--blue);background:var(--tint)}
.side-links li+li{border-top:1px solid var(--line)}
.side-links li{min-width:0}
.side-links ul{gap:0}
.side-links h2{margin-bottom:8px}
.side-links img{width:64px;height:40px;object-fit:cover;border-radius:8px}
.related{padding:10px 0 40px}
.related .blog-grid{padding-bottom:0}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .feat-list{grid-template-columns:repeat(2,1fr)}
  .ben-cols{grid-template-columns:repeat(3,1fr);row-gap:22px}
  .ben:nth-child(4)::before{display:none}
  .benefits-band{grid-template-columns:1fr}
  .split-row{grid-template-columns:1fr;gap:56px}
  .split-row > .split-line{display:none}
}
@media (max-width:1020px){
  .hero-grid,.about-grid,.action-grid,.privacy-grid,.faq-grid,.features-grid{grid-template-columns:1fr}
  .about-vline{display:none}
  .features-intro,.faq-side{position:static}
  .tool-top{grid-template-columns:1fr}
  .progress{margin-left:0}
  .ways{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;max-height:none;overflow:visible;padding:0}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .result-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .tool-panel{padding:22px 16px;border-radius:22px}
  .steps{grid-template-columns:1fr;gap:22px}
  .step:not(:last-child)::after{right:50%;top:auto;bottom:-15px;transform:translateX(50%) rotate(135deg)}
  .workspace{grid-template-columns:1fr}
  .tips-cards{grid-template-columns:1fr 1fr}
  .tips-more{grid-template-columns:1fr}
  .why-body{grid-template-columns:1fr}
  .why-trophy{display:none}
  .ba-legend{grid-template-columns:1fr}
}
@media (max-width:560px){
  .ways,.tips-cards,.blog-grid,.feat-list{grid-template-columns:minmax(0,1fr)}
  .ben-cols{grid-template-columns:1fr 1fr}
  .ben::before{display:none}
  .ctrls{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-actions .btn-primary{width:100%}
  .btn{padding:15px 22px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}

/* ---------- Fine-tuning ---------- */
.about-text .sec-head,.privacy-copy .sec-head{margin-bottom:18px}
.benefits-band .sec-head h2{font-size:clamp(24px,2.6vw,30px)}
.ben p{font-size:13px}
.head-bar{gap:10px}
.brand{min-width:0}
@media (max-width:480px){
  .head-cta .btn svg{display:none}
  .head-cta .btn{padding:10px 14px;font-size:13px}
  .brand{font-size:18px;gap:8px}
  .brand img{width:32px;height:32px}
  .nav-toggle{width:40px;height:40px}
}
@media (max-width:360px){.brand span{font-size:16px}.head-cta .btn{padding:9px 11px}}
@media (max-width:560px){.announce{font-size:12px}.announce .wrap{min-height:34px;padding:4px 40px 4px 12px}}

/* ==========================================================
   Hero face swap studio
   ========================================================== */
[hidden]{display:none!important}
.hero-studio{padding:30px 0 40px;position:relative;overflow:hidden}
.hero-studio::before{content:"";position:absolute;inset:-120px -10% auto;height:620px;background:radial-gradient(ellipse 45% 55% at 18% 30%,rgba(0,194,236,.16),transparent 70%),radial-gradient(ellipse 40% 50% at 85% 20%,rgba(11,95,255,.13),transparent 70%);pointer-events:none;z-index:0}
.hero-studio .wrap{position:relative;z-index:1}
.hero-head{text-align:center;max-width:820px;margin:0 auto 26px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--blue);background:#fff;border:1px solid #d6e4fb;border-radius:999px;padding:6px 14px;margin-bottom:14px;box-shadow:var(--shadow-s)}
.hero-badge svg{width:15px;height:15px;color:var(--cyan)}
.hero-studio h1{margin-bottom:12px}
.hero-studio .hero-desc{margin:0 auto;max-width:700px;font-size:16.5px;color:var(--muted)}
.hero-studio .hero-ticks{justify-content:center;margin:24px 0 0}

.studio{background:rgba(255,255,255,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid #d9e6fb;border-radius:28px;box-shadow:0 30px 70px rgba(20,60,140,.14);padding:14px 22px 22px}
.studio-tabs{display:flex;gap:6px;background:var(--tint);border-radius:999px;padding:5px;width:max-content;max-width:100%;margin:0 auto 18px;overflow-x:auto;scrollbar-width:none}
.studio-tabs::-webkit-scrollbar{display:none}
.stab{display:inline-flex;align-items:center;gap:8px;border:0;background:none;color:var(--muted);font-weight:600;font-size:14px;padding:10px 18px;border-radius:999px;cursor:pointer;white-space:nowrap;transition:background-color .2s,color .2s,box-shadow .2s}
.stab svg{width:18px;height:18px}
.stab:hover{color:var(--navy)}
.stab.is-active{background:#fff;color:var(--blue);box-shadow:0 4px 12px rgba(20,60,140,.12)}

.studio-body{display:grid;grid-template-columns:1fr 1.08fr;gap:24px;align-items:start}
.slots{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px}
.studio[data-mode="inside"] .slots{grid-template-columns:1fr}
.studio[data-mode="inside"] #slotSource,.studio[data-mode="inside"] .flip-btn{display:none}
.slot{min-width:0}
.slot-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.slot-head b{display:block;font-size:14.5px;color:var(--navy);line-height:1.25}
.slot-head small{display:block;font-size:12px;color:var(--muted);line-height:1.3}
.slot-num{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;font-size:13px;display:grid;place-items:center}
.slot-drop{position:relative;aspect-ratio:4/5;border:2px dashed #c4d6f5;border-radius:18px;background:linear-gradient(180deg,#f7fbff,#eef6ff);cursor:pointer;overflow:hidden;transition:border-color .2s,background-color .2s,transform .2s}
.studio[data-mode="inside"] .slot-drop{aspect-ratio:16/10}
.slot-drop:hover,.slot-drop.is-over{border-color:var(--blue);background:#eaf3ff}
.slot-drop.is-over{transform:scale(1.01)}
.slot.has-img .slot-drop{border-style:solid;border-color:#d9e6fb;background:#0b1b4d0d;cursor:default}
.slot-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px;padding:14px;color:var(--muted);font-size:12.5px;line-height:1.4}
.slot-empty strong{color:var(--navy);font-size:14px}
.slot-empty u{color:var(--blue);text-decoration-thickness:2px;text-underline-offset:3px}
.slot-ic{width:58px;height:58px;border-radius:16px;background:#fff;display:grid;place-items:center;color:var(--blue);box-shadow:var(--shadow-s);margin-bottom:4px}
.slot-ic svg{width:32px;height:32px}
.slot-preview{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.slot-preview canvas{max-width:100%;max-height:100%;width:auto;height:auto}
.face-marks{position:absolute;pointer-events:none}
.fmark{position:absolute;pointer-events:auto;border:2px solid rgba(255,255,255,.85);border-radius:42% 42% 46% 46%;background:rgba(11,95,255,.08);cursor:pointer;padding:0;transition:border-color .2s,background-color .2s,box-shadow .2s}
.fmark span{position:absolute;top:-11px;left:50%;transform:translateX(-50%);min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:#fff;color:var(--navy);font-size:11.5px;font-weight:700;display:grid;place-items:center;box-shadow:0 2px 6px rgba(0,0,0,.2);white-space:nowrap}
.fmark:hover{border-color:#fff;background:rgba(0,194,236,.18)}
.fmark.is-on{border-color:var(--cyan-l);background:rgba(0,229,255,.16);box-shadow:0 0 0 3px rgba(0,194,236,.35)}
.fmark.is-on span{background:var(--blue);color:#fff}
.fmark.is-b.is-on{border-color:#ffb020;box-shadow:0 0 0 3px rgba(255,176,32,.35)}
.fmark.is-b.is-on span{background:#ff9500}
.slot-busy{position:absolute;inset:0;background:rgba(255,255,255,.6);display:grid;place-items:center}
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid #cfe0fb;border-top-color:var(--blue);animation:fs-spin .8s linear infinite}
@keyframes fs-spin{to{transform:rotate(360deg)}}
.slot-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:6px;min-height:28px}
.slot-msg{font-size:12px;color:var(--muted);line-height:1.3}
.slot-msg.is-ok{color:var(--ok)}
.slot-msg.is-bad{color:var(--bad)}
.mini-btn{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;font-size:12px;font-weight:600;padding:4px 12px;cursor:pointer}
.mini-btn:hover{border-color:var(--blue);color:var(--blue)}
.flip-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--blue);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-s);margin-top:24px;transition:transform .3s}
.flip-btn svg{width:18px;height:18px}
.flip-btn:hover:not([disabled]){transform:rotate(180deg)}
.flip-btn[disabled]{opacity:.45;cursor:not-allowed}

.samples{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px}
.samples-label{font-size:12.5px;font-weight:600;color:var(--muted)}
.samples-row{display:flex;gap:8px}
.sample{width:44px;height:44px;border-radius:12px;overflow:hidden;border:2px solid #fff;padding:0;cursor:pointer;box-shadow:0 3px 10px rgba(20,60,140,.16);transition:transform .2s,border-color .2s;background:#eaf3ff}
.sample img{width:100%;height:100%;object-fit:cover}
.sample:hover{transform:translateY(-2px) scale(1.06);border-color:var(--cyan)}

.studio-actions{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.btn-swap{width:100%;font-size:16.5px;padding:17px 28px;background:var(--grad);position:relative;overflow:hidden}
.btn-swap:hover{background:var(--grad);filter:brightness(1.05)}
.btn-swap.is-busy{pointer-events:none}
.btn-swap.is-busy::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);animation:fs-shine 1.1s linear infinite}
@keyframes fs-shine{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.tune{border:1px solid var(--line);border-radius:14px;background:#fff}
.tune summary{list-style:none;display:flex;align-items:center;gap:8px;padding:10px 14px;cursor:pointer;font-size:13.5px;font-weight:600;color:var(--navy)}
.tune summary::-webkit-details-marker{display:none}
.tune summary svg{width:18px;height:18px;color:var(--blue)}
.tune summary::after{content:"";margin-left:auto;width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .2s}
.tune[open] summary::after{transform:rotate(-135deg)}
.tune-body{padding:2px 14px 14px;display:grid;gap:10px}
.tune .opt label{display:flex;justify-content:space-between;font-size:13px;font-weight:500;color:var(--navy)}
.tune .opt output{color:var(--blue);font-weight:600}
.tune input[type=range]{width:100%;accent-color:var(--blue)}
.tune .check{font-size:12.5px;color:var(--text);line-height:1.4;gap:8px}
.tune .check input{accent-color:var(--blue);width:16px;height:16px;flex:0 0 auto}
.studio-status{margin:12px 0 0;font-size:13px;line-height:1.5;padding:10px 12px;border-radius:12px;background:var(--tint);color:var(--navy)}
.studio-status.is-error{background:#fdecef;color:#9b1c30}
.studio-status.is-ok{background:#e6f8f0;color:#0b6b46}

.studio-result{position:sticky;top:calc(var(--head-h) + 12px)}
.result-frame{position:relative;border-radius:20px;overflow:hidden;background:repeating-conic-gradient(#f1f5fc 0 25%,#fff 0 50%) 0 0/22px 22px;border:1px solid #d9e6fb;min-height:420px;display:flex;align-items:center;justify-content:center}
.result-empty{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:30px;color:var(--muted);font-size:13px}
.result-empty strong{color:var(--navy);font-size:16px;margin-top:10px}
.ghost-faces{display:flex;align-items:center;gap:14px}
.gf{width:88px;height:108px;border-radius:44% 44% 48% 48%;background:linear-gradient(160deg,#dbe8ff,#c3f2fb);position:relative;box-shadow:inset 0 0 0 2px #fff}
.gf::before,.gf::after{content:"";position:absolute;top:42%;width:10px;height:10px;border-radius:50%;background:#8aa6d8}
.gf::before{left:28%}.gf::after{right:28%}
.gf-b{background:linear-gradient(160deg,#ffe2c7,#ffd0e0);animation:fs-float 3s ease-in-out infinite}
.gf-a{animation:fs-float 3s ease-in-out infinite reverse}
.gf-arrow{width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center}
.gf-arrow svg{width:18px;height:18px}
@keyframes fs-float{50%{transform:translateY(-6px)}}
.compare{position:relative;width:100%;line-height:0;touch-action:pan-y}
.compare canvas{width:100%;height:auto;display:block}
.compare-after{position:absolute;inset:0;clip-path:inset(0 0 0 0)}
.compare-line{position:absolute;top:0;bottom:0;left:100%;width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 8px rgba(0,0,0,.3);pointer-events:none}
.compare-line span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;background:#fff;color:var(--blue);display:grid;place-items:center;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.compare-line span svg{width:18px;height:18px}
.compare-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.tag{position:absolute;bottom:12px;font-size:12px;font-weight:600;line-height:1;padding:7px 12px;border-radius:999px;pointer-events:none}
.tag-before{left:12px;background:rgba(255,255,255,.92);color:var(--navy)}
.tag-after{right:12px;background:var(--cyan-l);color:var(--navy)}
.scan{position:absolute;inset:0;background:rgba(11,27,77,.35);display:flex;align-items:flex-end;justify-content:center;padding:18px;overflow:hidden}
.scan-line{position:absolute;left:0;right:0;height:80px;top:-80px;background:linear-gradient(180deg,transparent,rgba(0,229,255,.55),transparent);animation:fs-scan 1.4s linear infinite}
@keyframes fs-scan{to{top:100%}}
.scan-text{position:relative;background:#fff;color:var(--navy);font-weight:600;font-size:13.5px;line-height:1;padding:10px 16px;border-radius:999px;box-shadow:var(--shadow-m)}
.result-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.result-actions .btn{flex:1 1 auto}
.result-actions .btn svg{width:16px;height:16px}

.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px}
.how-step{position:relative;background:#fff;border:1.5px solid #e1ebfa;border-radius:20px;padding:30px 22px 22px;box-shadow:var(--shadow-s)}
.how-step h3{font-size:18px}
.how-step p{margin:0;font-size:15px;color:var(--muted)}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}
.center-cta{text-align:center;margin-top:28px}

@media (max-width:980px){
  .studio-body{grid-template-columns:1fr}
  .studio-result{position:static}
  .result-frame{min-height:300px}
  .how-steps{grid-template-columns:1fr}
}
@media (max-width:560px){
  .studio{padding:10px 12px 16px;border-radius:22px}
  .studio-tabs{display:grid;grid-template-columns:repeat(3,1fr);width:100%;border-radius:16px;gap:4px}
  .stab{padding:8px 6px;font-size:12.5px;white-space:normal;text-align:center;justify-content:center;line-height:1.25;border-radius:12px}
  .stab svg{display:none}
  .hero-badge{font-size:11.5px;padding:5px 12px}
  .hero-studio .hero-desc{font-size:14.5px}
  .hero-studio{padding-top:20px}
  .slots{gap:6px}
  .flip-btn{width:32px;height:32px;margin-top:20px}
  .slot-empty{font-size:11px;padding:8px}
  .slot-empty strong{font-size:12.5px}
  .slot-ic{width:44px;height:44px}
  .slot-ic svg{width:24px;height:24px}
  .slot-head small{display:none}
  .hero-studio .hero-ticks{gap:8px 16px}
}
@media (prefers-reduced-motion:reduce){
  .gf-a,.gf-b,.scan-line,.btn-swap.is-busy::after,.spinner{animation:none}
}

/* Reduced layout work and non-decorative artwork */
.photo-promise{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:30px;border:1px solid #d9e8ff;border-radius:24px;background:linear-gradient(140deg,#eef6ff,#fff);text-align:center;color:#172f55}
.photo-promise strong{font-size:clamp(1.4rem,3vw,2.5rem);line-height:1.2}
.photo-promise span{font-size:1rem;max-width:24rem;line-height:1.65}
.privacy-img .photo-promise{min-height:210px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* FaceSwapper v2: full-width editorial sections and readable guide cards */
.section-spacious{padding:56px 0}
.tips-section{background:#edf5ff}
#why .sec-head,#tips .sec-head{max-width:790px;margin-bottom:28px}
#why .why-body{display:block;max-width:1060px}
#why .why-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px}
#why .why-list li{padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px;align-items:start}
#why .why-list h3{font-size:17px}
#why .why-list p{font-size:14px}
#tips .tips-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
#tips .tip img{aspect-ratio:476/168;object-fit:cover}
#tips .tip div{padding:20px}
#tips .tip h3{font-size:17px}
#tips .tip p{font-size:14px}
#tips .tips-more{gap:24px}
#site-footer .foot-bottom{display:flex;justify-content:center;align-items:center;text-align:center}
.blog-grid{align-items:stretch}
.post-card{min-width:0}
.post-card .post-image-link{display:block;line-height:0;overflow:hidden;flex:0 0 auto}
.post-card .post-image-link img{width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover;filter:none;transition:transform .3s ease}
.post-card:hover .post-image-link img{transform:scale(1.025)}
.post-card .pc-body{min-width:0;padding:22px;gap:0}
.post-card .tag{display:block;position:static;margin-bottom:10px;line-height:1.4}
.post-card h2{font-size:19px;overflow-wrap:break-word}
.post-card p{font-size:14px;line-height:1.7;overflow-wrap:break-word}
.post-card a.more{position:static;display:inline-flex;align-self:flex-start;flex:0 0 auto;margin-top:auto;line-height:1.4;min-height:26px;white-space:nowrap}
.post-card a.more svg{flex:0 0 16px}
.hero-head #hero-title{max-width:900px;margin-left:auto;margin-right:auto}
.hero-head .hero-desc{max-width:720px;margin:18px auto 0}
@media(max-width:850px){#why .why-list{grid-template-columns:1fr}#tips .tips-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.section-spacious{padding:38px 0}#tips .tips-cards{grid-template-columns:1fr}.blog-grid{grid-template-columns:1fr}}

/* FaceSwapper v3: privacy photo and readable responsive privacy layout */
#privacy{overflow:hidden}
#privacy .privacy-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(28px,5vw,64px);align-items:center}
#privacy .privacy-img{position:relative;min-width:0;isolation:isolate}
#privacy .privacy-img>img{display:block;width:100%;height:auto;aspect-ratio:1060/850;object-fit:cover;border-radius:26px;box-shadow:0 18px 45px rgba(26,59,116,.13)}
#privacy .privacy-img .photo-promise{position:absolute;left:18px;right:18px;bottom:18px;min-height:0;display:flex;gap:2px;padding:13px 18px;background:rgba(255,255,255,.97);border:1px solid #d9e8ff;border-radius:14px;box-shadow:0 6px 20px rgba(24,52,96,.12);text-align:left;align-items:flex-start}
#privacy .photo-promise strong{font-size:1.06rem;line-height:1.45}
#privacy .photo-promise span{font-size:.85rem;line-height:1.4}
#privacy .privacy-copy{min-width:0}
#privacy .privacy-copy .sec-head{margin-bottom:18px}
#privacy .privacy-copy h2{font-size:clamp(1.6rem,2.5vw,2.35rem);overflow-wrap:break-word}
#privacy .privacy-copy p{font-size:clamp(.9rem,1.15vw,1rem);line-height:1.78}
#privacy .pills{gap:8px}
#privacy .pills li{padding:8px 12px;font-size:12px}
@media(max-width:820px){#privacy .privacy-grid{grid-template-columns:minmax(0,1fr)}#privacy .privacy-img{max-width:680px;margin-inline:auto;width:100%}}
@media(max-width:460px){#privacy .privacy-img .photo-promise{left:10px;right:10px;bottom:10px;padding:10px 12px}#privacy .photo-promise strong{font-size:.9rem}#privacy .photo-promise span{font-size:.75rem}}