/* ==========================================================================
   Solar Expert Group (Thailand) PCL — Design System
   Navy / Clean White / Eco-Green — Clean & Corporate
   ========================================================================== */

:root{
  --navy-900:#061529;
  --navy-800:#0B2545;
  --navy-700:#13315C;
  --navy-600:#1D4E89;
  --navy-500:#2F6DB5;
  --gold-600:#C4831C;
  --gold-500:#E0A32E;
  --gold-400:#F0BC5B;
  --eco-700:#166F46;
  --eco-600:#1E8A57;
  --eco-500:#2FA46C;
  --eco-050:#EAF6F0;
  --ink:#0F1D2E;
  --ink-2:#3D4E63;
  --muted:#6B7C92;
  --line:#E2E8F0;
  --line-2:#EDF1F6;
  --bg:#FFFFFF;
  --bg-soft:#F6F8FB;
  --bg-soft-2:#EFF3F8;
  --danger:#C0392B;
  --danger-bg:#FCEEEC;
  --warn:#B7791F;
  --warn-bg:#FFF7E6;
  --radius-s:8px;
  --radius:12px;
  --radius-l:18px;
  --radius-xl:26px;
  --shadow-1:0 1px 2px rgba(11,37,69,.06), 0 2px 8px rgba(11,37,69,.05);
  --shadow-2:0 4px 12px rgba(11,37,69,.08), 0 12px 32px rgba(11,37,69,.08);
  --shadow-3:0 18px 50px rgba(11,37,69,.16);
  --container:1240px;
  --header-h:72px;
  --ff:"IBM Plex Sans Thai","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans Thai","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--ff);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--navy-600);text-decoration:none}
a:hover{color:var(--navy-800)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0 0 .5em;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--navy-800)}
h1{font-size:clamp(2rem,1.3rem + 3vw,3.4rem)}
h2{font-size:clamp(1.5rem,1.1rem + 1.7vw,2.35rem)}
h3{font-size:clamp(1.15rem,1rem + .6vw,1.5rem)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
svg{flex:none}
:focus-visible{outline:3px solid var(--navy-500);outline-offset:2px;border-radius:4px}
::selection{background:var(--navy-800);color:#fff}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:20px}
.container-narrow{max-width:880px}
.section{padding:clamp(48px,6vw,88px) 0}
.section-sm{padding:clamp(32px,4vw,56px) 0}
.section-soft{background:var(--bg-soft)}
.section-navy{background:var(--navy-800);color:#DCE6F2}
.section-navy h2,.section-navy h3{color:#fff}
.grid{display:grid;gap:24px}
.stack{display:flex;flex-direction:column}
.row{display:flex;align-items:center;gap:12px}
.row-wrap{flex-wrap:wrap}
.spread{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.spread > *{min-width:0}
.text-center{text-align:center}
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- typography helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;
  letter-spacing:.13em;text-transform:uppercase;color:var(--eco-600);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--eco-500);border-radius:2px}
.section-navy .eyebrow{color:var(--gold-400)}
.section-navy .eyebrow::before{background:var(--gold-500)}
.lead{font-size:clamp(1rem,.95rem + .3vw,1.15rem);color:var(--ink-2);max-width:62ch}
.section-navy .lead{color:#B9CBE0}
.muted{color:var(--muted)}
.small{font-size:.875rem}
.xsmall{font-size:.8rem}
.strong{font-weight:600}
.section-head{max-width:720px;margin-bottom:clamp(28px,3vw,44px)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--radius);border:1.5px solid transparent;
  font-weight:600;font-size:.95rem;line-height:1.2;cursor:pointer;
  transition:transform .14s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;text-align:center;background:none;
}
.btn:active{transform:translateY(1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{background:var(--navy-800);color:#fff;box-shadow:0 2px 10px rgba(11,37,69,.22)}
.btn-primary:hover{background:var(--navy-700);color:#fff;box-shadow:0 6px 20px rgba(11,37,69,.28)}
.btn-gold{background:linear-gradient(135deg,var(--gold-500),var(--gold-600));color:#231603;box-shadow:0 3px 14px rgba(196,131,28,.32)}
.btn-gold:hover{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:#231603;box-shadow:0 8px 24px rgba(196,131,28,.4)}
.btn-eco{background:var(--eco-600);color:#fff}
.btn-eco:hover{background:var(--eco-700);color:#fff}
.btn-outline{border-color:var(--line);background:#fff;color:var(--navy-800)}
.btn-outline:hover{border-color:var(--navy-600);color:var(--navy-800);background:#fff}
.btn-ghost{color:var(--navy-800);padding-inline:12px}
.btn-ghost:hover{background:var(--bg-soft-2)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32);backdrop-filter:blur(6px)}
.btn-light:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#9E2E22;color:#fff}
.btn-lg{padding:15px 30px;font-size:1.02rem;border-radius:14px}
.btn-sm{padding:8px 14px;font-size:.85rem;border-radius:9px;gap:6px}
.btn-xs{padding:5px 10px;font-size:.78rem;border-radius:8px;gap:5px}
.btn-block{width:100%}
.btn-icon{padding:10px;border-radius:10px}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:.76rem;font-weight:600;letter-spacing:.01em;background:var(--bg-soft-2);color:var(--ink-2);
}
.badge-eco{background:var(--eco-050);color:var(--eco-700)}
.badge-navy{background:rgba(29,78,137,.1);color:var(--navy-700)}
.badge-gold{background:#FDF2DC;color:var(--gold-600)}
.badge-danger{background:var(--danger-bg);color:var(--danger)}
.badge-warn{background:var(--warn-bg);color:var(--warn)}
.badge-grey{background:var(--bg-soft-2);color:var(--muted)}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:9px 17px;border-radius:999px;
  border:1.5px solid var(--line);background:#fff;font-size:.9rem;font-weight:500;
  color:var(--ink-2);cursor:pointer;transition:all .16s ease;white-space:nowrap;
}
.chip:hover{border-color:var(--navy-500);color:var(--navy-700)}
.chip.active{background:var(--navy-800);border-color:var(--navy-800);color:#fff}
.chip-row{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- forms ---------- */
.field{margin-bottom:16px}
.field label,.lbl{display:block;font-size:.85rem;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.req{color:var(--danger)}
.input,.select,.textarea{
  width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;
  background:#fff;transition:border-color .15s,box-shadow .15s;font-size:.95rem;
}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--navy-500);box-shadow:0 0 0 3px rgba(47,109,181,.14)}
.input.err,.select.err,.textarea.err{border-color:var(--danger);background:#FFFBFA}
.textarea{min-height:96px;resize:vertical}
.select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7C92' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:38px}
.err-msg{color:var(--danger);font-size:.8rem;margin-top:5px;display:none}
.err-msg.show{display:block}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-grid .full{grid-column:1/-1}
.check{display:flex;align-items:flex-start;gap:10px;cursor:pointer;font-size:.92rem;color:var(--ink-2)}
.check input{margin-top:4px;width:17px;height:17px;accent-color:var(--navy-700);flex:none}

/* ---------- cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-1)}
.card-pad{padding:clamp(18px,2.4vw,28px)}

/* ==========================================================================
   HEADER
   ========================================================================== */
.topbar{background:var(--navy-900);color:#A8BFD9;font-size:.8rem}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-block:6px}
.topbar a{color:#C6D8EC;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.topbar a:hover{color:#fff}
.topbar-left{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.topbar-right{display:flex;gap:14px;align-items:center}
.topbar-note{display:inline-flex;align-items:center;gap:6px;color:var(--gold-400);font-weight:500}
.topbar-note svg{flex:none}

.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 4px 18px rgba(11,37,69,.08)}
.nav{display:flex;align-items:center;gap:18px;min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{width:40px;height:40px;flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:700;font-size:1.02rem;color:var(--navy-800);letter-spacing:-.02em}
.brand-sub{font-size:.66rem;color:var(--muted);letter-spacing:.09em;text-transform:uppercase;font-weight:600}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  padding:9px 13px;border-radius:9px;font-size:.93rem;font-weight:500;color:var(--ink-2);
  transition:background .15s,color .15s;white-space:nowrap;
}
.nav-link:hover{background:var(--bg-soft-2);color:var(--navy-800)}
.nav-link.active{color:var(--navy-800);font-weight:600;background:var(--bg-soft-2)}
.nav-actions{display:flex;align-items:center;gap:9px;flex:none;margin-left:8px}
.cart-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:11px;border:1.5px solid var(--line);background:#fff;color:var(--navy-800);cursor:pointer;transition:all .15s}
.cart-btn:hover{border-color:var(--navy-600);background:var(--bg-soft)}
.cart-count{
  position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;border-radius:10px;
  background:var(--eco-600);color:#fff;font-size:.7rem;font-weight:700;display:flex;align-items:center;justify-content:center;
  border:2px solid #fff;
}
.cart-count[data-empty="1"]{display:none}
.burger{display:none;width:42px;height:42px;border-radius:11px;border:1.5px solid var(--line);background:#fff;color:var(--navy-800);align-items:center;justify-content:center;cursor:pointer}

/* mobile drawer */
.drawer-backdrop{position:fixed;inset:0;background:rgba(6,21,41,.5);z-index:80;opacity:0;pointer-events:none;transition:opacity .22s}
.drawer-backdrop.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;z-index:81;
  transform:translateX(100%);transition:transform .26s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;
  box-shadow:-10px 0 40px rgba(6,21,41,.2);
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.drawer-body{flex:1;overflow-y:auto;padding:12px 12px 24px;-webkit-overflow-scrolling:touch}
.drawer-link{display:flex;align-items:center;gap:11px;padding:13px 14px;border-radius:11px;font-weight:500;color:var(--ink);font-size:1rem}
.drawer-link:hover,.drawer-link.active{background:var(--bg-soft-2);color:var(--navy-800)}
.drawer-foot{padding:16px 18px;border-top:1px solid var(--line);display:grid;gap:9px;background:var(--bg-soft)}

/* ==========================================================================
   FLOATING ACTIONS
   ========================================================================== */
.floaters{position:fixed;right:16px;bottom:16px;z-index:55;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-btn{
  width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;box-shadow:0 6px 20px rgba(6,21,41,.28);border:none;cursor:pointer;transition:transform .16s, box-shadow .16s;
  position:relative;
}
.float-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 10px 28px rgba(6,21,41,.34);color:#fff}
.float-messenger{background:linear-gradient(135deg,#0695FF,#A334FA)}
.float-line{background:#06C755}
.float-phone{background:var(--navy-800)}
.float-top{background:#fff;color:var(--navy-800);border:1.5px solid var(--line);box-shadow:var(--shadow-1);width:44px;height:44px;opacity:0;pointer-events:none;transition:opacity .2s,transform .16s}
.float-top.show{opacity:1;pointer-events:auto}
.float-btn .tip{
  position:absolute;right:64px;top:50%;transform:translateY(-50%);background:var(--navy-900);color:#fff;
  padding:6px 12px;border-radius:8px;font-size:.8rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .18s;
}
.float-btn:hover .tip{opacity:1}

/* mobile sticky CTA bar */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:56;background:#fff;
  border-top:1px solid var(--line);padding:9px 12px calc(9px + env(safe-area-inset-bottom));
  gap:9px;box-shadow:0 -4px 18px rgba(11,37,69,.1);
}
.mobile-cta .btn{flex:1;padding:12px 10px;font-size:.9rem}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{position:relative;min-height:clamp(520px,78vh,760px);display:flex;align-items:center;overflow:hidden;background:var(--navy-900)}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,21,41,.94) 0%,rgba(11,37,69,.85) 38%,rgba(11,37,69,.5) 68%,rgba(11,37,69,.35) 100%);
}
.hero .container{position:relative;z-index:1;padding-block:clamp(56px,8vw,90px)}
.hero-inner{max-width:660px;color:#fff}
.hero h1{color:#fff;margin-bottom:18px;text-wrap:balance}
.hero h1 .hl{
  box-shadow:inset 0 -.26em 0 rgba(224,163,46,.45);
  padding-inline:3px;
}
.hero-sub{font-size:clamp(1rem,.95rem + .35vw,1.18rem);color:#C9DAEC;max-width:56ch;margin-bottom:28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:flex;gap:clamp(20px,4vw,48px);flex-wrap:wrap;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stat b{display:block;font-size:clamp(1.5rem,1.2rem + 1vw,2.1rem);color:#fff;font-weight:700;line-height:1.15}
.hero-stat span{font-size:.85rem;color:#9FB8D2}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.2);
  font-size:.8rem;color:#DCE9F6;font-weight:500;backdrop-filter:blur(4px);
}
.hero-badge svg{color:var(--gold-400)}

/* banner slider */
.hero-dots{position:absolute;left:0;right:0;bottom:22px;z-index:2;display:flex;justify-content:center;gap:8px}
.hero-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.4);border:none;cursor:pointer;padding:0;transition:all .2s}
.hero-dot.active{background:var(--gold-500);width:26px;border-radius:5px}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .7s ease;pointer-events:none}
.hero-slide.active{opacity:1;pointer-events:auto}
.hero-slide-static{position:relative;width:100%;flex:1 1 100%;pointer-events:auto}

/* ---------- trust strip ---------- */
.trust-strip{background:#fff;border-bottom:1px solid var(--line)}
.trust-strip .container{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2)}
.trust-item{background:#fff;padding:22px 18px;display:flex;gap:13px;align-items:flex-start}
.trust-item svg{color:var(--eco-600);flex:none;margin-top:2px}
.trust-item b{display:block;font-size:.95rem;color:var(--navy-800);font-weight:600}
.trust-item span{font-size:.82rem;color:var(--muted);line-height:1.5}

/* ==========================================================================
   PRODUCT CARDS
   ========================================================================== */
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:22px}
.p-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;transition:transform .2s ease, box-shadow .22s ease, border-color .2s;
  position:relative;height:100%;
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D3DEEB}
.p-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft-2);display:block}
.p-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.p-card:hover .p-thumb img{transform:scale(1.05)}
.p-flags{position:absolute;top:11px;left:11px;display:flex;flex-direction:column;gap:6px;align-items:flex-start;z-index:2}
.p-flag{padding:4px 10px;border-radius:7px;font-size:.72rem;font-weight:700;letter-spacing:.02em;color:#fff;background:var(--eco-600);box-shadow:0 2px 8px rgba(0,0,0,.14)}
.p-flag.sale{background:var(--danger)}
.p-flag.hot{background:var(--gold-600);color:#fff}
.p-flag.out{background:#64748B}
.p-body{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1}
.p-brand{font-size:.72rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--eco-600);margin-bottom:6px}
.p-name{font-size:1rem;font-weight:600;color:var(--navy-800);line-height:1.42;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.84em}
.p-name a{color:inherit}
.p-name a:hover{color:var(--navy-600)}
.p-specs{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px}
.p-spec{font-size:.72rem;padding:3px 8px;border-radius:6px;background:var(--bg-soft-2);color:var(--ink-2);font-weight:500}
.p-price-row{margin-top:auto;display:flex;align-items:flex-end;gap:9px;flex-wrap:wrap;margin-bottom:12px}
.p-price{font-size:1.3rem;font-weight:700;color:var(--navy-800);line-height:1.1}
.p-price small{font-size:.76rem;font-weight:500;color:var(--muted)}
.p-was{font-size:.9rem;color:var(--muted);text-decoration:line-through}
.p-quote{font-size:1.02rem;font-weight:700;color:var(--eco-700)}
.p-actions{display:flex;gap:8px}
.p-actions .btn{flex:1;padding:10px 12px;font-size:.88rem}
.p-actions .btn-icon{flex:none;width:42px;padding:10px}

/* product list rows (compact) */
.p-list{display:grid;gap:14px}
.p-row{display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px}
.p-row img{width:120px;height:90px;object-fit:cover;border-radius:9px}

/* ==========================================================================
   PRODUCT DETAIL
   ========================================================================== */
.breadcrumb{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:.83rem;color:var(--muted);padding:16px 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--navy-700)}
.breadcrumb svg{opacity:.5}
.pd-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,4vw,52px);align-items:start}
.pd-gallery{position:sticky;top:96px}
.pd-main{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);background:var(--bg-soft-2);aspect-ratio:4/3}
.pd-main img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pd-thumb{width:76px;height:60px;border-radius:9px;overflow:hidden;border:2px solid var(--line);cursor:pointer;background:var(--bg-soft-2);padding:0}
.pd-thumb.active{border-color:var(--navy-700)}
.pd-thumb img{width:100%;height:100%;object-fit:cover}
.pd-title{font-size:clamp(1.4rem,1.1rem + 1.2vw,2.05rem);margin-bottom:12px}
.pd-price-box{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:20px 0}
.pd-price{font-size:clamp(1.7rem,1.4rem + 1.2vw,2.3rem);font-weight:700;color:var(--navy-800);line-height:1.15}
.pd-price small{font-size:.9rem;font-weight:500;color:var(--muted)}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:11px;overflow:hidden;background:#fff}
.qty button{width:42px;height:44px;border:none;background:#fff;cursor:pointer;color:var(--navy-800);display:flex;align-items:center;justify-content:center;transition:background .14s}
.qty button:hover{background:var(--bg-soft-2)}
.qty input{width:56px;height:44px;border:none;text-align:center;font-weight:600;-moz-appearance:textfield;background:#fff}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem}
.spec-table th,.spec-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
.spec-table th{width:42%;color:var(--muted);font-weight:500;background:var(--bg-soft)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:22px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.tab{padding:12px 18px;border:none;background:none;cursor:pointer;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap;font-size:.94rem}
.tab.active{color:var(--navy-800);border-bottom-color:var(--navy-800)}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.usp-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.usp-list li{display:flex;gap:10px;align-items:flex-start;font-size:.94rem;color:var(--ink-2)}
.usp-list svg{color:var(--eco-600);flex:none;margin-top:3px}

/* ==========================================================================
   COMPARE TABLE
   ========================================================================== */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius-l);background:#fff}
.cmp{width:100%;border-collapse:collapse;min-width:760px;font-size:.92rem}
.cmp th,.cmp td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line-2)}
.cmp thead th{background:var(--navy-800);color:#fff;font-weight:600;font-size:.9rem;position:sticky;top:0}
.cmp thead th:first-child{border-top-left-radius:var(--radius-l)}
.cmp thead th:last-child{border-top-right-radius:var(--radius-l)}
.cmp tbody th{font-weight:500;color:var(--muted);background:var(--bg-soft);width:210px}
.cmp .featured{background:#FBFDFF}
.cmp td svg{color:var(--eco-600)}
.cmp .no svg{color:#C3CDDA}

/* pricing cards */
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;align-items:stretch}
.price-card{display:flex;flex-direction:column;background:#fff;border:1.5px solid var(--line);border-radius:var(--radius-xl);padding:28px 26px;position:relative;transition:box-shadow .2s,transform .2s}
.price-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.price-card.pop{border-color:var(--gold-500);box-shadow:0 10px 34px rgba(196,131,28,.15)}
.price-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--gold-500),var(--gold-600));color:#231603;padding:5px 16px;border-radius:999px;font-size:.76rem;font-weight:700;white-space:nowrap;box-shadow:0 3px 10px rgba(196,131,28,.3)}
.price-card h3{margin-bottom:4px}
.price-card .amount{font-size:2.1rem;font-weight:700;color:var(--navy-800);line-height:1.1;margin:14px 0 2px}
.price-card .amount small{font-size:.85rem;font-weight:500;color:var(--muted);display:block;margin-bottom:6px}
.price-feats{list-style:none;padding:0;margin:20px 0 24px;display:grid;gap:11px;flex:1}
.price-feats li{display:flex;gap:9px;align-items:flex-start;font-size:.9rem;color:var(--ink-2)}
.price-feats svg{color:var(--eco-600);flex:none;margin-top:3px}

/* ==========================================================================
   CART / CHECKOUT
   ========================================================================== */
.checkout-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:clamp(20px,3vw,36px);align-items:start}
.summary{position:sticky;top:96px}
.sum-line{display:flex;justify-content:space-between;gap:14px;padding:9px 0;font-size:.93rem;color:var(--ink-2)}
.sum-line.total{border-top:1.5px solid var(--line);margin-top:8px;padding-top:15px;font-size:1.18rem;font-weight:700;color:var(--navy-800)}
.sum-line .val{font-variant-numeric:tabular-nums;white-space:nowrap}
.sum-line.discount .val{color:var(--eco-600);font-weight:600}
.cart-item{display:grid;grid-template-columns:96px 1fr auto;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-2);align-items:start}
.cart-item:last-child{border-bottom:none}
.cart-item img{width:96px;height:76px;object-fit:cover;border-radius:10px;background:var(--bg-soft-2)}
.cart-item-name{font-weight:600;color:var(--navy-800);font-size:.97rem;margin-bottom:3px;display:block}
.cart-item-name:hover{color:var(--navy-600)}
.cart-line-total{font-weight:700;color:var(--navy-800);white-space:nowrap;font-variant-numeric:tabular-nums}
.cart-empty{text-align:center;padding:70px 20px}
.cart-empty svg{color:#C3CDDA;margin-bottom:18px}
.coupon-row{display:flex;gap:9px}
.coupon-row .input{flex:1}
.coupon-ok{background:var(--eco-050);border:1px solid #BFE3D0;color:var(--eco-700);padding:10px 13px;border-radius:10px;font-size:.86rem;display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:9px}
.steps{display:flex;align-items:center;gap:5px;margin-bottom:28px;flex-wrap:wrap}
.step{display:flex;align-items:center;gap:9px;font-size:.85rem;color:var(--muted);font-weight:500}
.step i{width:26px;height:26px;border-radius:50%;background:var(--bg-soft-2);color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;font-style:normal;flex:none}
.step.done i{background:var(--eco-600);color:#fff}
.step.active{color:var(--navy-800);font-weight:600}
.step.active i{background:var(--navy-800);color:#fff}
.step-sep{width:22px;height:1.5px;background:var(--line);flex:none}

/* payment methods */
.pay-opts{display:grid;gap:11px}
.pay-opt{
  display:flex;gap:13px;align-items:flex-start;padding:15px 17px;border:1.5px solid var(--line);
  border-radius:var(--radius);cursor:pointer;transition:all .16s;background:#fff;
}
.pay-opt:hover{border-color:var(--navy-500);background:#FCFDFF}
.pay-opt.sel{border-color:var(--navy-700);background:#F8FBFF;box-shadow:0 0 0 3px rgba(29,78,137,.09)}
.pay-opt input{margin-top:3px;width:18px;height:18px;accent-color:var(--navy-700);flex:none}
.pay-opt-ic{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--bg-soft-2);color:var(--navy-700);flex:none}
.pay-opt b{display:block;font-size:.95rem;color:var(--navy-800)}
.pay-opt span{font-size:.83rem;color:var(--muted);line-height:1.5}
.bank-card{border:1.5px dashed var(--line);border-radius:var(--radius);padding:18px;background:var(--bg-soft)}
.bank-row{display:flex;justify-content:space-between;gap:12px;padding:7px 0;font-size:.92rem}
.bank-row b{font-variant-numeric:tabular-nums;color:var(--navy-800)}
.qr-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:20px;text-align:center;max-width:330px;margin-inline:auto}
.qr-box canvas,.qr-box svg{max-width:100%;height:auto;display:block;margin-inline:auto}
.qr-head{background:linear-gradient(180deg,#003D6B,#00558F);color:#fff;border-radius:10px 10px 0 0;padding:10px;margin:-20px -20px 16px;font-weight:700;letter-spacing:.05em;font-size:.9rem}

/* upload */
.drop{
  border:2px dashed var(--line);border-radius:var(--radius-l);padding:34px 20px;text-align:center;
  cursor:pointer;transition:all .18s;background:var(--bg-soft);
}
.drop:hover,.drop.over{border-color:var(--navy-500);background:#F4F9FF}
.drop svg{color:var(--navy-600);margin-bottom:10px}
.slip-preview{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);max-width:280px}
.slip-preview img{width:100%}
.slip-preview button{position:absolute;top:8px;right:8px}

/* thank you */
.ty-icon{width:88px;height:88px;border-radius:50%;background:var(--eco-050);color:var(--eco-600);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;animation:pop .45s cubic-bezier(.34,1.56,.64,1)}
@keyframes pop{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
.order-box{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-l);padding:22px 24px;text-align:left}

/* ==========================================================================
   PORTFOLIO / PROJECTS
   ========================================================================== */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.proj-card{border-radius:var(--radius-l);overflow:hidden;position:relative;background:var(--navy-800);aspect-ratio:4/3;display:block}
.proj-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.92}
.proj-card:hover img{transform:scale(1.06)}
.proj-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;
  background:linear-gradient(180deg,rgba(6,21,41,0) 38%,rgba(6,21,41,.88) 100%);color:#fff;
}
.proj-overlay .badge{align-self:flex-start;margin-bottom:9px;background:rgba(255,255,255,.18);color:#fff;backdrop-filter:blur(4px)}
.proj-overlay b{font-size:1.06rem;font-weight:600;display:block;margin-bottom:3px}
.proj-overlay span{font-size:.84rem;color:#B9CBE0}
.proj-meta{display:flex;gap:14px;margin-top:9px;font-size:.8rem;color:#9FB8D2;flex-wrap:wrap}
.proj-meta span{display:inline-flex;align-items:center;gap:5px}

/* ---------- partner logos ---------- */
.logo-wall{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line-2);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden}
.logo-cell{background:#fff;padding:26px 16px;display:flex;align-items:center;justify-content:center;min-height:96px;transition:background .2s}
.logo-cell:hover{background:var(--bg-soft)}
.logo-cell svg{max-width:100%;height:auto}
.brand-logo{max-width:82%;width:auto;object-fit:contain;filter:saturate(.96)}
@media (max-width:640px){ .brand-logo{max-width:88%} }
.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:center}
.cert-ic{width:52px;height:52px;border-radius:13px;background:var(--eco-050);color:var(--eco-700);display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.cert b{display:block;font-size:.94rem;color:var(--navy-800);margin-bottom:3px}
.cert span{font-size:.8rem;color:var(--muted)}

/* ---------- steps / process ---------- */
.process{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:22px;counter-reset:st}
.pstep{position:relative;padding-top:8px}
.pstep-n{
  width:46px;height:46px;border-radius:14px;background:var(--navy-800);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;margin-bottom:14px;
}
.pstep h4{font-size:1.02rem;margin-bottom:6px;color:var(--navy-800)}
.pstep p{font-size:.89rem;color:var(--muted);margin:0}

/* ---------- feature blocks ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:26px 24px;transition:box-shadow .2s,transform .2s}
.feat:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.feat-ic{width:50px;height:50px;border-radius:14px;background:var(--eco-050);color:var(--eco-700);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feat h3{font-size:1.08rem;margin-bottom:8px}
.feat p{font-size:.9rem;color:var(--muted);margin:0}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:clamp(28px,4vw,56px);align-items:center}
.split-media{border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-2)}
.split-media video,.split-media img{width:100%;display:block}

/* ---------- FAQ (AEO) ---------- */
.faq{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;
  background:none;border:none;cursor:pointer;text-align:left;font-weight:600;color:var(--navy-800);font-size:.98rem;
}
.faq-q svg{transition:transform .22s;color:var(--muted);flex:none}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 18px;color:var(--ink-2);font-size:.93rem;line-height:1.7}
.faq-item.open .faq-a{display:block}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.contact-card{display:flex;gap:14px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l)}
.contact-card .ic{width:44px;height:44px;border-radius:12px;background:var(--bg-soft-2);color:var(--navy-700);display:flex;align-items:center;justify-content:center;flex:none}
.contact-card b{display:block;color:var(--navy-800);font-size:.95rem;margin-bottom:2px}
.contact-card a,.contact-card span{font-size:.9rem;color:var(--ink-2);word-break:break-word}
.map-embed{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);background:var(--bg-soft-2)}
.map-embed iframe{display:block;width:100%;height:380px;border:0}
.ig-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.ig-cell{aspect-ratio:1;border-radius:var(--radius);overflow:hidden;position:relative;background:var(--bg-soft-2)}
.ig-cell img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.ig-cell:hover img{transform:scale(1.07)}
.ig-cell .ov{position:absolute;inset:0;background:rgba(11,37,69,.45);display:flex;align-items:center;justify-content:center;color:#fff;opacity:0;transition:opacity .22s}
.ig-cell:hover .ov{opacity:1}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--navy-900),var(--navy-700) 60%,var(--navy-600));color:#fff;border-radius:var(--radius-xl);padding:clamp(30px,4vw,52px);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(224,163,46,.28),transparent 68%)}
.cta-band .inner{position:relative;z-index:1;display:flex;gap:26px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:8px}
.cta-band p{color:#BCD0E6;margin:0;max-width:56ch}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{background:var(--navy-900);color:#9FB4CC;padding-top:clamp(44px,5vw,68px);font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:16px;font-weight:600}
.site-footer a{color:#9FB4CC;display:inline-flex;align-items:center;gap:8px}
.site-footer a:hover{color:#fff}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#7B93AD}
.socials{display:flex;gap:9px;margin-top:18px}
.social{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#C6D8EC;transition:all .18s}
.social:hover{background:var(--gold-500);color:#231603}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#7B93AD}
.footer-bottom a{color:#7B93AD}

/* ==========================================================================
   UTILITIES / FEEDBACK
   ========================================================================== */
.toast-wrap{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:10px;pointer-events:none;max-width:min(92vw,360px)}
.toast{
  display:flex;gap:11px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:4px solid var(--eco-600);
  box-shadow:var(--shadow-3);border-radius:12px;padding:13px 16px;font-size:.9rem;color:var(--ink);
  animation:slidein .28s cubic-bezier(.2,.9,.3,1);pointer-events:auto;
}
.toast.err{border-left-color:var(--danger)}
.toast.warn{border-left-color:var(--warn)}
.toast svg{flex:none;margin-top:2px;color:var(--eco-600)}
.toast.err svg{color:var(--danger)}
.toast.warn svg{color:var(--warn)}
.toast.hide{animation:slideout .25s forwards}
@keyframes slidein{from{opacity:0;transform:translateX(28px)}to{opacity:1;transform:none}}
@keyframes slideout{to{opacity:0;transform:translateX(28px)}}

.modal-backdrop{position:fixed;inset:0;background:rgba(6,21,41,.6);z-index:120;display:none;align-items:center;justify-content:center;padding:16px;overflow-y:auto}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:var(--radius-xl);width:100%;max-width:560px;box-shadow:var(--shadow-3);max-height:92vh;display:flex;flex-direction:column;animation:pop .24s cubic-bezier(.34,1.4,.64,1)}
.modal-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:14px}
.modal-head h3{margin:0}
.modal-body{padding:22px 24px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.modal-foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;background:var(--bg-soft);border-radius:0 0 var(--radius-xl) var(--radius-xl)}
.modal-wide{max-width:860px}

.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty svg{color:#C3CDDA;margin-bottom:14px}
.skeleton{background:linear-gradient(90deg,#EEF2F7 25%,#F7FAFC 50%,#EEF2F7 75%);background-size:200% 100%;animation:sk 1.3s infinite;border-radius:8px}
@keyframes sk{to{background-position:-200% 0}}
.divider-txt{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:.84rem;margin:20px 0}
.divider-txt::before,.divider-txt::after{content:"";flex:1;height:1px;background:var(--line)}
.note{background:var(--warn-bg);border:1px solid #F2DDB0;border-radius:var(--radius);padding:13px 16px;font-size:.87rem;color:#7A5410;display:flex;gap:10px;align-items:flex-start}
.note svg{flex:none;margin-top:2px}
.note-eco{background:var(--eco-050);border-color:#BFE3D0;color:var(--eco-700)}
.note-info{background:#EEF5FD;border-color:#C7DDF3;color:var(--navy-700)}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-link{padding:9px 10px;font-size:.88rem}
}
@media (max-width:940px){
  .nav-menu{display:none}
  .burger{display:flex}
  .pd-grid{grid-template-columns:1fr}
  .pd-gallery{position:static}
  .checkout-grid{grid-template-columns:1fr}
  .summary{position:static}
  .trust-strip .container{grid-template-columns:1fr 1fr}
  .cta-band .inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:720px){
  :root{--header-h:62px}
  body{font-size:15.5px}
  .container{padding-inline:16px}
  .topbar-left{display:none}
  .topbar .container{justify-content:center;min-height:34px}
  .topbar-note{text-align:center;line-height:1.45}
  .hero{min-height:auto}
  .hero .container{padding-block:52px 46px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:20px 30px;padding-top:20px}
  .products-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
  .p-body{padding:12px 13px 14px}
  .p-name{font-size:.9rem;min-height:2.6em}
  .p-price{font-size:1.1rem}
  .p-actions .btn-icon{display:none}
  .form-grid{grid-template-columns:1fr}
  .cart-item{grid-template-columns:74px 1fr;gap:12px}
  .cart-item img{width:74px;height:64px}
  .cart-line-total{grid-column:2;text-align:right}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .mobile-cta{display:flex}
  .floaters{bottom:78px;right:12px}
  .float-btn{width:48px;height:48px}
  body.has-mobile-cta{padding-bottom:70px}
  .p-row{grid-template-columns:80px 1fr}
  .p-row img{width:80px;height:64px}
  .modal{border-radius:var(--radius-l)}
  .modal-foot{border-radius:0 0 var(--radius-l) var(--radius-l)}
  .modal-foot .btn{flex:1}
  .section{padding:40px 0}
  .steps{font-size:.78rem;gap:3px}
  .step span{display:none}
  .step.active span{display:inline}
  .step-sep{width:14px}
  .proj-grid{grid-template-columns:1fr}
  .qty button{width:38px}
  .qty input{width:46px}
}
@media (max-width:400px){
  .container{padding-inline:13px}
  .products-grid{grid-template-columns:1fr 1fr;gap:11px}
  .p-specs{display:none}
  .trust-strip .container{grid-template-columns:1fr}
  .hero-badges .hero-badge:nth-child(n+3){display:none}
  .brand-sub{display:none}
  .brand-name{font-size:.92rem}
  .mobile-cta .btn{font-size:.82rem;padding:11px 6px}
}
@media (max-width:340px){
  .products-grid{grid-template-columns:1fr}
  .btn{padding:11px 16px;font-size:.9rem}
}

@media print{
  .site-header,.site-footer,.floaters,.mobile-cta,.topbar,.no-print{display:none !important}
  body{background:#fff}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}