/* SoluMus — phong cách Apple (dùng chung cho trang chủ + trang gói) */
:root{
  --green:#1F4D3F;        /* xanh thương hiệu — nút/link */
  --green-d:#163a30;
  --ink:#111111;          /* chữ đen */
  --gray:#6e6e73;         /* chữ phụ */
  --line:#e7e7e7;
  --black:#0b0b0c;        /* section nền đen */
  --w:#f5f5f7;
  --wgray:#a1a1a6;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Plus Jakarta Sans","Segoe UI",system-ui,sans-serif;
  color:var(--ink);background:#fff;line-height:1.5;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{display:inline-block;background:var(--green);color:#fff;font-weight:700;font-size:16px;
  padding:13px 26px;border-radius:980px;transition:background .2s,transform .2s;border:none;cursor:pointer}
.btn:hover{background:var(--green-d);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--green);border:1.5px solid #d6d6d6}
.btn.ghost:hover{border-color:var(--green)}
.link{color:var(--green);font-weight:600;font-size:17px;display:inline-flex;align-items:center;gap:5px}
.link .cv{transition:transform .2s}.link:hover .cv{transform:translateX(3px)}

/* NAV */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.8);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(0,0,0,.06)}
nav .in{max-width:var(--maxw);margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
nav .logo img{height:26px;display:block}
nav .menu{display:flex;gap:26px;align-items:center;font-size:14.5px;color:var(--gray);font-weight:500}
nav .menu a:hover{color:var(--ink)}
nav .navbtn{background:var(--green);color:#fff;padding:8px 18px;border-radius:980px;font-weight:700;font-size:14px}
@media(max-width:760px){nav .menu{display:none}}

/* SECTIONS */
section{padding:96px 0}
.center{text-align:center;max-width:820px;margin:0 auto}
.eyebrow{font-size:19px;font-weight:600;color:var(--gray);margin-bottom:8px}
.eyebrow.brand{color:var(--green)}
h1{font-size:clamp(40px,7vw,84px);line-height:1.05;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(32px,5.2vw,64px);line-height:1.08;letter-spacing:-.02em;font-weight:800}
.accent{color:var(--green)}
.lead{font-size:clamp(18px,2.4vw,26px);color:var(--gray);margin-top:18px;font-weight:500}
.ctas{margin-top:30px;display:flex;gap:26px;justify-content:center;align-items:center;flex-wrap:wrap}
.trust{margin-top:22px;font-size:15px;color:var(--gray)}
.price-line{margin-top:16px;font-size:22px;font-weight:700}
.price-line small{font-size:16px;color:var(--gray);font-weight:600}
.badge{display:inline-block;background:#f0efe9;color:var(--gray);font-size:13px;font-weight:700;
  padding:5px 14px;border-radius:980px;margin-bottom:14px;letter-spacing:.02em}

section.dark{background:var(--black);color:var(--w)}
section.dark h2{color:#fff}
section.dark .accent{color:#8fd6b3}
section.dark .lead{color:var(--wgray)}

/* MACBOOK */
.mac{max-width:940px;margin:52px auto 0;position:relative}
.mac.sm{max-width:760px}
.mac .lid{background:linear-gradient(#2a2a2e,#141416);border-radius:24px;padding:12px 12px 14px;
  box-shadow:0 50px 90px -30px rgba(0,0,0,.45);position:relative}
.mac .notch{position:absolute;top:12px;left:50%;transform:translateX(-50%);width:130px;height:20px;
  background:#141416;border-radius:0 0 12px 12px;z-index:3}
.mac .screen{border-radius:9px;overflow:hidden;background:#0c2a1e;border:1px solid rgba(255,255,255,.06);line-height:0}
.mac .screen img{width:100%;height:auto;display:block}
.mac .base{width:calc(100% + 84px);margin:0 -42px;height:20px;background:linear-gradient(#c9cccd,#a7abac);border-radius:0 0 10px 10px;position:relative}
.mac .base::after{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:100px;height:8px;background:#8f9698;border-radius:0 0 6px 6px}
.mac .shadow{width:60%;height:26px;margin:8px auto 0;background:radial-gradient(ellipse,rgba(0,0,0,.22),transparent 70%)}

/* ẢNH CHỜ (khi chưa có screenshot) */
.imgsoon{max-width:940px;margin:52px auto 0;aspect-ratio:16/9;border:2px dashed #d6d6cf;border-radius:20px;
  display:flex;align-items:center;justify-content:center;color:#a6a69c;font-size:16px;font-weight:600;background:#faf9f5}
section.dark .imgsoon{background:#111214;border-color:#2a2a2d;color:#6a6a70}

/* DANH SÁCH TÍNH NĂNG (spec) */
.featwrap{max-width:900px;margin:44px auto 0}
.featgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 40px;margin-top:8px}
@media(max-width:640px){.featgrid{grid-template-columns:1fr}}
.feat{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line)}
.feat .ic{flex:0 0 22px;height:22px;margin-top:2px}
.feat .ic svg{width:22px;height:22px;stroke:var(--green);fill:none;stroke-width:2}
.feat h4{font-size:17px;font-weight:700;margin-bottom:2px}
.feat p{font-size:14.5px;color:var(--gray)}

/* PRICING */
.pricing{background:#fafafa;border-top:1px solid var(--line)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1000px;margin:44px auto 0}
@media(max-width:820px){.pgrid{grid-template-columns:1fr}}
.pc{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px 28px}
.pc.hot{border:2px solid var(--green)}
.pc .tag{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--gray);text-transform:uppercase}
.pc.hot .tag{color:var(--green)}
.pc .price{font-size:44px;font-weight:800;letter-spacing:-.02em;margin:10px 0 2px}
.pc .price small{font-size:16px;font-weight:600;color:var(--gray)}
.pc .desc{font-size:15px;color:var(--gray);margin-bottom:18px;min-height:44px}
.pc ul{list-style:none;margin:0 0 22px;padding:0}
.pc li{font-size:15px;padding:7px 0 7px 26px;position:relative;color:#333}
.pc li::before{content:"";position:absolute;left:0;top:12px;width:14px;height:8px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.pc .btn{width:100%;text-align:center}

/* CTA + FOOTER */
.cta{text-align:center}
footer{border-top:1px solid var(--line);padding:40px 0;color:var(--gray);font-size:14px}
footer .in{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a:hover{color:var(--ink)}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}