/* ==========================================================================
   STORASTRA ENERGY — Design System
   Brand: Teal #26B7BC · Blue #3861C7 · Ink #0D1B2A
   ========================================================================== */

:root{
  --teal:#26b7bc;
  --teal-600:#1b9ea3;
  --teal-700:#16808a;
  --teal-050:#eafafb;
  --blue:#3861c7;
  --blue-700:#2a4da3;
  --blue-050:#eef2fd;

  --ink:#0d1b2a;
  --ink-2:#16283c;
  --body:#3f4c5e;
  --muted:#6d7c8f;
  --line:#e5ecf1;
  --line-2:#eef3f7;
  --bg:#ffffff;
  --soft:#f6f9fb;
  --soft-2:#eef4f8;

  --grad:linear-gradient(120deg,#26b7bc 0%,#3861c7 100%);
  --grad-soft:linear-gradient(180deg,#f7fbfc 0%,#ffffff 100%);

  --r-sm:8px; --r:14px; --r-lg:20px; --r-xl:28px;
  --sh-1:0 2px 10px rgba(13,27,42,.05);
  --sh-2:0 8px 28px rgba(13,27,42,.08);
  --sh-3:0 18px 48px rgba(13,27,42,.14);
  --sh-teal:0 12px 30px rgba(38,183,188,.28);

  --wrap:1240px;
  --header:78px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--body);
  font-family:Inter,"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.22;letter-spacing:-.015em;font-weight:700}
p{margin:0}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:0;background:var(--teal);color:#fff;padding:12px 18px;z-index:999}
.skip:focus{left:8px;top:8px}

/* ---------- Typography scale ---------- */
.t-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal-700);background:var(--teal-050);
  padding:7px 14px;border-radius:100px;margin-bottom:18px;
}
.t-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);}
h1,.h1{font-size:clamp(30px,4.4vw,52px);font-weight:800}
h2,.h2{font-size:clamp(25px,3.1vw,38px);font-weight:800}
h3,.h3{font-size:clamp(19px,1.7vw,23px);font-weight:700}
h4,.h4{font-size:17px;font-weight:700}
.lead{font-size:clamp(16px,1.35vw,19px);color:var(--muted);line-height:1.72}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:100px;font-weight:700;font-size:15px;
  letter-spacing:.01em;transition:all .25s var(--ease);white-space:nowrap;border:1.5px solid transparent;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-teal)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(38,183,188,.36)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-line{border-color:var(--line);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--teal);color:var(--teal-700);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn .ar{transition:transform .25s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}

/* ---------- Topbar ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:13.5px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:42px}
.topbar-l{display:flex;gap:22px;flex-wrap:wrap}
.topbar a{color:rgba(255,255,255,.82);transition:color .2s}
.topbar a:hover{color:#fff}
.topbar-r{display:flex;gap:18px;align-items:center}
.topbar-r .wa{color:#4ade80;font-weight:600}
@media(max-width:900px){.topbar-l{display:none}.topbar .wrap{justify-content:center}}

/* ---------- Header ---------- */
.hdr{
  position:sticky;top:0;z-index:120;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line-2);
  transition:box-shadow .3s var(--ease);
}
.hdr.up{box-shadow:var(--sh-2)}
.hdr .wrap{display:flex;align-items:center;gap:28px;height:var(--header)}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-.02em;flex:0 0 auto}
.logo .mk{
  width:36px;height:36px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;box-shadow:var(--sh-teal);flex:0 0 auto;
}
.logo .mk svg{width:20px;height:20px;fill:#fff}
.logo em{font-style:normal;color:var(--teal-700)}

.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav>li{position:relative}
.nav>li>a{
  display:flex;align-items:center;gap:5px;padding:10px 14px;border-radius:8px;
  font-size:14.5px;font-weight:600;color:var(--ink);transition:all .2s;
}
.nav>li>a:hover,.nav>li>a.on{color:var(--teal-700);background:var(--teal-050)}
.nav>li>a .cv{width:9px;height:9px;opacity:.6}
.has-menu>a::after{content:"";width:0;height:0;border:4px solid transparent;border-top-color:currentColor;margin-top:4px;opacity:.55}
@media(min-width:1081px){
  .drop{
    position:absolute;top:100%;left:0;min-width:270px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r);box-shadow:var(--sh-3);padding:10px;opacity:0;visibility:hidden;
    transform:translateY(10px);transition:all .22s var(--ease);z-index:20;
  }
  .has-menu:hover .drop,.has-menu:focus-within .drop{opacity:1;visibility:visible;transform:translateY(0)}
  .drop a{display:block;padding:10px 12px;border-radius:9px;font-size:14px;color:var(--body);transition:all .18s;line-height:1.45}
  .drop a b{display:block;color:var(--ink);font-weight:600}
  .drop a span{display:block;font-size:12.5px;color:var(--muted)}
  .drop a:hover{background:var(--soft);color:var(--teal-700)}
}
.hdr-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.burger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);place-items:center}
.burger i{display:block;width:20px;height:2px;background:var(--ink);margin:3px auto;transition:all .25s}
@media(max-width:1080px){
  .nav,.hdr-cta .btn{display:none}
  .burger{display:grid;margin-left:auto}
}

/* Mobile drawer */
.drw{
  position:fixed;inset:0;z-index:200;background:rgba(13,27,42,.5);
  opacity:0;visibility:hidden;transition:all .28s var(--ease);
}
.drw.open{opacity:1;visibility:visible}
.drw-pan{
  position:absolute;top:0;right:0;width:min(400px,90vw);height:100%;background:#fff;
  padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;gap:6px;
}
.drw.open .drw-pan{transform:translateX(0)}
.drw-x{align-self:flex-end;font-size:28px;line-height:1;color:var(--muted);padding:4px 10px}
.drw-pan>a,.drw-grp>b{
  display:block;padding:14px 4px;border-bottom:1px solid var(--line-2);
  font-weight:600;color:var(--ink);font-size:16px;
}
.drw-grp{border-bottom:1px solid var(--line-2);padding-bottom:8px}
.drw-grp>b{display:block;border:0;font-size:16px;padding:14px 4px 6px;color:var(--teal-700)}
.drw-grp a{display:block;padding:9px 4px 9px 14px;font-size:14.5px;color:var(--body);border-left:2px solid var(--line)}
.drw-grp a:hover{border-left-color:var(--teal);color:var(--teal-700)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink)}
.hero-sl{position:relative;height:clamp(520px,74vh,720px)}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity .9s var(--ease);
  background-size:cover;background-position:center;
}
.hero-slide.on{opacity:1}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(9,20,32,.86) 0%,rgba(9,20,32,.62) 46%,rgba(9,20,32,.24) 100%);
}
.hero-in{
  position:relative;z-index:3;height:100%;display:flex;align-items:center;
  max-width:var(--wrap);margin:0 auto;padding:0 24px;
}
.hero-copy{max-width:660px;color:#fff}
.hero-copy .tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#7ff0f4;background:rgba(38,183,188,.16);border:1px solid rgba(38,183,188,.42);
  padding:7px 15px;border-radius:100px;margin-bottom:22px;
}
.hero-copy h1{color:#fff;font-size:clamp(32px,4.7vw,56px);font-weight:800;margin-bottom:18px}
.hero-copy p{font-size:clamp(16px,1.35vw,19px);color:rgba(255,255,255,.86);max-width:560px;margin-bottom:30px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:flex;gap:38px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.16);padding-top:24px}
.hero-stats div b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em}
.hero-stats div span{font-size:13px;color:rgba(255,255,255,.66)}
.hero-nav{position:absolute;bottom:32px;right:24px;z-index:5;display:flex;gap:10px}
.hero-nav button{
  width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);color:#fff;font-size:20px;line-height:1;
  display:grid;place-items:center;transition:all .2s;backdrop-filter:blur(6px);
}
.hero-nav button:hover{background:#fff;color:var(--ink)}
.hero-dots{position:absolute;bottom:40px;left:24px;z-index:5;display:flex;gap:9px;max-width:var(--wrap)}
.hero-dots i{width:26px;height:3px;background:rgba(255,255,255,.3);border-radius:2px;cursor:pointer;transition:all .25s}
.hero-dots i.on{background:#fff;width:44px}
@media(max-width:760px){
  .hero-sl{height:clamp(480px,86vh,600px)}
  .hero-slide{background-image:none!important}
  .hero-slide .m{position:absolute;inset:0;background-size:cover;background-position:center}
  .hero-slide::after{background:linear-gradient(180deg,rgba(9,20,32,.72),rgba(9,20,32,.88))}
  .hero-stats{gap:24px}.hero-stats div b{font-size:21px}
  .hero-nav{display:none}
}

/* ---------- Section shell ---------- */
.sec{padding:clamp(56px,7vw,96px) 0}
.sec-soft{background:var(--soft)}
.sec-grad{background:var(--grad-soft)}
.sec-head{max-width:760px;margin:0 auto clamp(38px,4.5vw,58px);text-align:center}
.sec-head h2{margin-bottom:14px}
.sec-head .lead{margin:0 auto}
.sec-head.left{margin-left:0;text-align:left}

/* ---------- App cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:980px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.app{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 30px;transition:all .32s var(--ease);position:relative;overflow:hidden;
}
.app::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.app:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:transparent}
.app:hover::before{transform:scaleX(1)}
.app-ic{width:68px;height:68px;border-radius:16px;background:var(--soft-2);display:grid;place-items:center;margin-bottom:22px;transition:all .3s}
.app:hover .app-ic{background:var(--teal-050);transform:scale(1.06)}
.app-ic img{width:38px;height:38px;object-fit:contain}
.app h3{margin-bottom:10px;font-size:20px}
.app p{color:var(--muted);font-size:15px;margin-bottom:16px}
.app .lk{color:var(--teal-700);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.app .lk::after{content:"→";transition:transform .25s}
.app:hover .lk::after{transform:translateX(5px)}

/* ---------- Product cards ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:980px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.pgrid{grid-template-columns:1fr}}
.pcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;transition:all .32s var(--ease);
}
.pcard:hover{transform:translateY(-7px);box-shadow:var(--sh-3);border-color:transparent}
.pcard-img{
  aspect-ratio:4/3;background:var(--soft-2);overflow:hidden;display:grid;place-items:center;padding:22px;
}
.pcard-img img{width:100%;height:100%;object-fit:contain;transition:transform .45s var(--ease)}
.pcard:hover .pcard-img img{transform:scale(1.07)}
.pcard-b{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.pcard-b .volt{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--blue);background:var(--blue-050);padding:5px 11px;border-radius:6px;margin-bottom:12px;
}
.pcard-b h3{font-size:19px;margin-bottom:8px}
.pcard-b p{font-size:14.5px;color:var(--muted);margin-bottom:18px;flex:1}
.pcard-b .more{font-weight:700;font-size:14.5px;color:var(--teal-700);display:inline-flex;gap:7px;align-items:center}
.pcard-b .more::after{content:"→";transition:transform .25s}
.pcard:hover .more::after{transform:translateX(5px)}

/* ---------- Why us ---------- */
.why{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 30px;
  transition:all .3s var(--ease);height:100%;
}
.why:hover{box-shadow:var(--sh-2);border-color:var(--teal);transform:translateY(-4px)}
.why .n{
  width:46px;height:46px;border-radius:13px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;margin-bottom:20px;box-shadow:var(--sh-teal);
}
.why h3{font-size:18.5px;margin-bottom:10px}
.why p{font-size:14.8px;color:var(--muted)}

/* ---------- Stats band ---------- */
.band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 340px at 12% 0%,rgba(38,183,188,.28),transparent 62%),
             radial-gradient(600px 320px at 92% 100%,rgba(56,97,199,.3),transparent 60%);
}
.band .wrap{position:relative}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stats b{display:block;font-size:clamp(30px,3.6vw,44px);font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.1}
.stats span{font-size:14px;color:rgba(255,255,255,.7);display:block;margin-top:6px}

/* ---------- CTA band ---------- */
.cta{background:var(--grad);color:#fff;text-align:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 60L60 0' stroke='rgba(255,255,255,.08)' stroke-width='1'/%3E%3C/svg%3E")}
.cta .wrap{position:relative}
.cta h2{color:#fff;margin-bottom:14px}
.cta p{color:rgba(255,255,255,.9);max-width:640px;margin:0 auto 30px;font-size:17px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Page hero (inner) ---------- */
.phero{background:var(--soft);border-bottom:1px solid var(--line);padding:38px 0 42px}
.phero.dark{background:var(--ink);border:0;color:#fff;padding:64px 0 68px}
.phero.dark h1{color:#fff}
.phero.dark .lead{color:rgba(255,255,255,.78)}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumb a:hover{color:var(--teal-700)}
.crumb .sep{opacity:.5}
.phero.dark .crumb{color:rgba(255,255,255,.6)}
.phero.dark .crumb a:hover{color:#fff}

/* ---------- Product detail ---------- */
.pdet{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:start}
@media(max-width:900px){.pdet{grid-template-columns:1fr;gap:34px}}
.gal{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;overflow:hidden}
.gal-main{aspect-ratio:1/1;background:var(--soft-2);display:grid;place-items:center;padding:26px}
.gal-main img{width:100%;height:100%;object-fit:contain;transition:opacity .25s}
.gal-thumbs{display:flex;gap:12px;padding:14px;border-top:1px solid var(--line)}
.gal-thumbs button{
  width:80px;height:80px;border:2px solid var(--line);border-radius:12px;overflow:hidden;
  background:#fff;padding:6px;transition:all .22s;
}
.gal-thumbs button.on,.gal-thumbs button:hover{border-color:var(--teal)}
.gal-thumbs img{width:100%;height:100%;object-fit:contain}

.psum h1,.psum .psum-h{font-size:clamp(26px,2.9vw,36px);margin-bottom:14px}
.psum .dsc{font-size:16.5px;color:var(--muted);margin-bottom:26px}
.hl{background:var(--soft);border-radius:var(--r);padding:22px 24px;margin-bottom:22px}
.hl h3{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-700);margin-bottom:14px}
.hl ul{display:grid;gap:11px}
.hl li{position:relative;padding-left:26px;font-size:15px;color:var(--ink)}
.hl li::before{
  content:"";position:absolute;left:0;top:8px;width:15px;height:15px;border-radius:50%;
  background:var(--teal-050);border:2px solid var(--teal);
}
.certs{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.certs .lb{font-size:14px;color:var(--muted);font-weight:600}
.certs .bd{display:flex;gap:9px}
.certs .bd span{
  background:var(--blue-050);color:var(--blue-700);border:1px solid #d3ddf8;
  font-size:12.5px;font-weight:800;padding:6px 13px;border-radius:7px;letter-spacing:.04em;
}
.pacts{display:flex;gap:12px;flex-wrap:wrap}

/* spec table */
.spc{margin-top:clamp(46px,5vw,72px)}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.tabs button{
  padding:11px 22px;border:1.5px solid var(--line);border-radius:100px;font-weight:700;font-size:14.5px;
  color:var(--body);transition:all .22s;background:#fff;
}
.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.tabs button:not(.on):hover{border-color:var(--teal);color:var(--teal-700)}
.tbl-w{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.tbl-h{background:var(--grad);color:#fff;padding:16px 26px;font-weight:700;font-size:15px}
table.spec{width:100%;border-collapse:collapse}
table.spec tr{border-bottom:1px solid var(--line-2)}
table.spec tr:last-child{border-bottom:0}
table.spec tr:nth-child(even){background:#fbfdfe}
table.spec th{
  text-align:left;width:38%;padding:15px 26px;font-weight:600;color:var(--ink);font-size:14.8px;
}
table.spec td{padding:15px 26px;color:var(--body);font-size:14.8px}
@media(max-width:620px){table.spec th,table.spec td{padding:12px 16px;font-size:14px}table.spec th{width:44%}}

/* feature cards on product page */
.fgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:clamp(46px,5vw,72px)}
@media(max-width:760px){.fgrid{grid-template-columns:1fr}}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:all .3s}
.fcard:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.fcard .m{aspect-ratio:16/10;background:var(--soft-2);display:grid;place-items:center;overflow:hidden}
.fcard .m img{width:100%;height:100%;object-fit:cover}
.fcard .b{padding:26px 28px 30px}
.fcard h3{margin-bottom:10px;font-size:19px}
.fcard p{color:var(--muted);font-size:15px}
.temps{display:flex;gap:12px;margin-top:16px}
.temps span{font-weight:800;font-size:15px;padding:7px 15px;border-radius:8px}
.temps .c{background:#e6f2fd;color:#1266b0}
.temps .h{background:#fdece6;color:#c0451c}

/* ---------- Generic content block ---------- */
.prose{max-width:840px}
.prose h2{margin:44px 0 16px;font-size:clamp(23px,2.3vw,30px)}
.prose h3{margin:32px 0 12px;font-size:20px}
.prose p{margin-bottom:18px;font-size:16.5px}
.prose ul,.prose ol{margin:0 0 22px;display:grid;gap:11px}
.prose ul li{position:relative;padding-left:26px;font-size:16px}
.prose ul li::before{content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.prose ol{counter-reset:o}
.prose ol li{counter-increment:o;position:relative;padding-left:34px;font-size:16px}
.prose ol li::before{
  content:counter(o);position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;
  background:var(--teal-050);color:var(--teal-700);font-size:12.5px;font-weight:800;display:grid;place-items:center;
}
.prose strong{color:var(--ink)}
.tbl-scroll{overflow-x:auto;margin:24px 0 30px;border:1px solid var(--line);border-radius:var(--r)}
.tbl-scroll table{width:100%;border-collapse:collapse;min-width:560px}
.tbl-scroll thead{background:var(--ink);color:#fff}
.tbl-scroll th{padding:14px 18px;text-align:left;font-size:14.5px;font-weight:700}
.tbl-scroll td{padding:14px 18px;border-bottom:1px solid var(--line-2);font-size:14.8px}
.tbl-scroll tbody tr:last-child td{border-bottom:0}
.tbl-scroll tbody tr:nth-child(even){background:#fbfdfe}
.callout{
  background:var(--teal-050);border-left:4px solid var(--teal);border-radius:0 var(--r) var(--r) 0;
  padding:20px 24px;margin:26px 0;font-size:15.5px;color:var(--ink-2);
}
.callout b{color:var(--teal-700)}

/* ---------- Article layout ---------- */
.art{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
@media(max-width:1000px){.art{grid-template-columns:1fr;gap:40px}}
.toc{
  position:sticky;top:calc(var(--header) + 24px);background:var(--soft);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
}
.toc h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-700);margin-bottom:14px}
.toc ol{counter-reset:t;display:grid;gap:9px}
.toc a{counter-increment:t;display:block;font-size:14.5px;color:var(--body);line-height:1.5;padding-left:22px;position:relative}
.toc a::before{content:counter(t)".";position:absolute;left:0;color:var(--muted);font-weight:700;font-size:13px}
.toc a:hover{color:var(--teal-700)}
@media(max-width:1000px){.toc{position:static}}
.meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:10px}
.meta b{color:var(--ink);font-weight:600}

/* ---------- Guide cards ---------- */
.gcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 28px;transition:all .3s var(--ease);height:100%;
}
.gcard:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:transparent}
.gcard .cat{font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.gcard h3{font-size:19px;margin-bottom:11px;line-height:1.35}
.gcard p{font-size:14.8px;color:var(--muted);flex:1;margin-bottom:18px}
.gcard .rd{font-weight:700;font-size:14.5px;color:var(--teal-700);display:inline-flex;gap:7px;align-items:center}
.gcard .rd::after{content:"→";transition:transform .25s}
.gcard:hover .rd::after{transform:translateX(5px)}
.gcard .dt{font-size:12.5px;color:var(--muted);margin-top:14px;padding-top:14px;border-top:1px solid var(--line-2)}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;border-top:1px solid var(--line)}
.faq-i{border-bottom:1px solid var(--line);background:#fff}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-weight:700;font-size:16.5px;color:var(--ink);transition:color .2s;
}
.faq-q:hover{color:var(--teal-700)}
.faq-q i{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--soft-2);position:relative;transition:all .28s}
.faq-q i::before,.faq-q i::after{content:"";position:absolute;background:var(--teal-700);transition:all .28s;border-radius:2px}
.faq-q i::before{top:12px;left:7px;width:12px;height:2px}
.faq-q i::after{left:12px;top:7px;width:2px;height:12px}
.faq-i.open .faq-q{color:var(--teal-700)}
.faq-i.open .faq-q i{background:var(--teal)}
.faq-i.open .faq-q i::before,.faq-i.open .faq-q i::after{background:#fff}
.faq-i.open .faq-q i::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq-a p{padding:0 40px 24px 4px;color:var(--body);font-size:15.8px}
.faq-a ul{padding:0 40px 24px 4px;display:grid;gap:8px}
.faq-a li{position:relative;padding-left:20px;font-size:15.5px}
.faq-a li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* ---------- Contact / form ---------- */
.cgrid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
@media(max-width:900px){.cgrid{grid-template-columns:1fr;gap:38px}}
.cinfo{display:grid;gap:22px}
.cinfo .it{display:flex;gap:16px;align-items:flex-start}
.cinfo .ic{
  width:46px;height:46px;border-radius:13px;background:var(--teal-050);color:var(--teal-700);
  display:grid;place-items:center;flex:0 0 auto;
}
.cinfo .ic svg{width:22px;height:22px;fill:currentColor}
.cinfo h3{font-size:15px;margin-bottom:4px}
.cinfo p,.cinfo a{font-size:15.2px;color:var(--body);line-height:1.6}
.cinfo a:hover{color:var(--teal-700)}

.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(28px,3.4vw,44px);box-shadow:var(--sh-1)}
.form-card h2{font-size:26px;margin-bottom:8px}
.form-card>.lead{font-size:15.5px;margin-bottom:28px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:620px){.frow{grid-template-columns:1fr}}
.fld{margin-bottom:18px}
.fld label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.fld label .rq{color:#e0453a}
.fld input,.fld select,.fld textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:11px;
  font:inherit;font-size:15px;color:var(--ink);background:#fff;transition:all .2s;
}
.fld textarea{min-height:132px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 4px rgba(38,183,188,.13)}
.fld input::placeholder,.fld textarea::placeholder{color:#a9b5c2}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fnote{font-size:13px;color:var(--muted);margin-top:16px;line-height:1.6}
.fmsg{margin-top:18px;padding:15px 18px;border-radius:11px;font-size:14.8px;display:none}
.fmsg.ok{display:block;background:#e8f8f0;border:1px solid #b6e5cd;color:#12734a}
.fmsg.er{display:block;background:#fdeceb;border:1px solid #f6c6c2;color:#a8322a}
.fmsg.pending{display:block;background:var(--blue-050);border:1px solid #d3ddf8;color:var(--blue-700)}

/* ---------- Downloads ---------- */
.dl{display:grid;gap:14px}
.dl .row{
  display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:20px 24px;transition:all .25s;
}
.dl .row:hover{border-color:var(--teal);box-shadow:var(--sh-1)}
.dl .ic{width:42px;height:42px;border-radius:11px;background:var(--blue-050);color:var(--blue);display:grid;place-items:center;flex:0 0 auto}
.dl .ic svg{width:20px;height:20px;fill:currentColor}
.dl .tx{flex:1;min-width:0}
.dl .tx b{display:block;font-size:15.5px;color:var(--ink)}
.dl .tx span{font-size:13.5px;color:var(--muted)}
.dl .go{font-weight:700;font-size:14.5px;color:var(--teal-700);flex:0 0 auto}

/* ---------- Timeline (about) ---------- */
.tl{display:grid;gap:0;max-width:760px}
.tl .it{display:grid;grid-template-columns:120px 1fr;gap:26px;padding-bottom:30px;position:relative}
.tl .it:not(:last-child)::before{content:"";position:absolute;left:59px;top:36px;bottom:0;width:2px;background:var(--line)}
.tl .yr{font-weight:800;font-size:17px;color:var(--teal-700);padding-top:2px}
.tl .ct{position:relative;padding-left:26px}
.tl .ct::before{content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--teal)}
.tl .ct h3{font-size:17px;margin-bottom:6px}
.tl .ct p{font-size:15px;color:var(--muted)}
@media(max-width:620px){.tl .it{grid-template-columns:1fr;gap:8px}.tl .it::before{display:none}.tl .ct{padding-left:20px}.tl .ct::before{left:-20px}}

/* ---------- Footer ---------- */
.ftr{background:var(--ink);color:rgba(255,255,255,.68);font-size:14.8px}
.ftr-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding:clamp(48px,5.5vw,74px) 0 44px}
@media(max-width:960px){.ftr-top{grid-template-columns:1fr 1fr;gap:34px}}
@media(max-width:600px){.ftr-top{grid-template-columns:1fr}}
.ftr .logo{color:#fff;margin-bottom:18px}
.ftr .logo em{color:#5fdfe3}
.ftr p.ab{color:rgba(255,255,255,.62);max-width:340px;margin-bottom:22px;font-size:14.5px}
.socials{display:flex;gap:10px}
.socials a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:all .22s}
.socials a:hover{background:var(--teal);transform:translateY(-3px)}
.socials svg{width:18px;height:18px;fill:#fff}
.ftr h4{color:#fff;font-size:14px;letter-spacing:.09em;text-transform:uppercase;margin-bottom:18px;font-weight:700}
.ftr ul{display:grid;gap:11px}
.ftr ul a{color:rgba(255,255,255,.66);transition:all .2s;font-size:14.5px}
.ftr ul a:hover{color:#fff;padding-left:5px}
.ftr .ci{display:grid;gap:14px}
.ftr .ci .r{display:flex;gap:12px;align-items:flex-start}
.ftr .ci svg{width:17px;height:17px;fill:var(--teal);flex:0 0 auto;margin-top:4px}
.ftr .ci span,.ftr .ci a{color:rgba(255,255,255,.66);font-size:14.2px;line-height:1.6}
.ftr .ci a:hover{color:#fff}
.ftr-b{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.5)}
.ftr-b a:hover{color:#fff}

/* ---------- Back to top ---------- */
.totop{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:var(--sh-teal);
  opacity:0;visibility:hidden;transform:translateY(14px);transition:all .3s var(--ease);z-index:90;
}
.totop.on{opacity:1;visibility:visible;transform:translateY(0)}
.totop svg{width:20px;height:20px;fill:#fff}

/* ---------- Reveal on scroll ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}