/* =========================================================
   聯準科技官網首頁｜方向 B 科技資安（聯準綠）
   頁首、頁尾、按鈕 .nx-btn 等全站共用樣式在 css/nexus-base.css
   ========================================================= */
:root{
  --bg:#0A120B;          /* 主背景 */
  --surface:#101A11;     /* 區塊底 */
  --surface-2:#13200F;
  --line:#24331F;        /* 邊框 */
  --line-2:#3A4A33;
  --grid:#152117;        /* 格線 */
  --text:#E8EEE4;
  --text-strong:#F7FAF3;
  --text-2:#CAD5C3;
  --muted:#9DAD95;
  --brand:#9BCB3B;       /* 品牌亮綠（文字／重點） */
  --brand-btn:#8DC132;   /* 按鈕 */
  --brand-light:#C2E27A;
  --brand-pale:#CFE8A0;
  --brand-deep:#4A6D05;  /* logo 深綠 */
  --on-brand:#0C1A06;
  --warn:#F2B544;
  --radius:12px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  --sans:"Noto Sans TC",system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
a:hover{color:var(--brand-light)}
:focus-visible{outline:2px solid var(--brand-light);outline-offset:3px;border-radius:4px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.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}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;border-radius:8px;font-weight:700;text-decoration:none;transition:background .2s,border-color .2s,color .2s}
.btn-primary{background:var(--brand-btn);color:var(--on-brand)}
.btn-primary:hover{background:var(--brand-light);color:var(--on-brand)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text);font-weight:500}
.btn-ghost:hover{border-color:var(--brand);color:var(--text-strong)}

/* ---------- Header：改由 css/nexus-base.css（全站共用 .nx-header）提供 ---------- */
body.nx-home{padding-top:var(--nx-hh)}

/* ---------- Hero ---------- */
.gridbg{background-color:var(--bg);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:48px 48px}
.hero .container{display:flex;flex-wrap:wrap;gap:56px;align-items:center;padding-top:96px;padding-bottom:88px}
.hero-copy{flex:1 1 540px;min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;border:1px solid #3A5A1E;background:var(--surface-2);border-radius:999px;padding:6px 14px;font-family:var(--mono);font-size:13px;color:var(--brand-pale)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand)}
.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.25;margin:24px 0;font-weight:900;color:var(--text-strong)}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:18px;color:var(--muted);margin:0 0 32px;max-width:580px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.panel{flex:1 1 400px;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.panel-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--muted)}
.panel-bar i{width:10px;height:10px;border-radius:50%;background:var(--line-2)}
.panel-bar span{margin-left:8px}
.panel-body{padding:20px;display:flex;flex-direction:column;gap:14px}
.trust{margin:0;display:flex;flex-direction:column;gap:12px;font-family:var(--mono);font-size:14px}
.trust div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:12px}
.trust dt{color:var(--muted)}
.trust dd{margin:0;color:var(--brand-light);text-align:right}
.film{position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;aspect-ratio:16/9;background:#000}
.film img,.film iframe{width:100%;height:100%;object-fit:cover;border:0;display:block}
.film-play{position:absolute;left:14px;bottom:14px;display:flex;align-items:center;gap:8px;background:var(--text-strong);color:#1C2A12;border-radius:999px;padding:6px 16px 6px 8px;font-size:14px;font-weight:500;text-decoration:none;min-height:44px}
.film-play:hover{background:#fff;color:#1C2A12}
.film-play b{width:30px;height:30px;border-radius:50%;background:var(--brand-deep);display:flex;align-items:center;justify-content:center}

/* ---------- Stats ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.stats ul{list-style:none;margin:0 auto;padding:40px 24px 24px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:24px;max-width:1240px}
@media (max-width:480px){.stats ul{grid-template-columns:repeat(2,minmax(0,1fr))}.stats-note{max-width:1240px;margin:0 auto;padding:0 24px 32px;font-size:14px;color:var(--text-2)}
.stats-note span{display:inline-block;margin-left:12px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.stats strong{font-size:32px}}
.stats-note{max-width:1240px;margin:0 auto;padding:0 24px 32px;font-size:14px;color:var(--text-2)}
.stats-note span{display:inline-block;margin-left:12px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.stats strong{display:block;font-family:var(--mono);font-size:40px;font-weight:600;color:var(--brand);line-height:1.2}
.stats li span{font-size:14px;color:var(--muted)}

/* ---------- Sections ---------- */
.section{padding:96px 0;border-top:1px solid var(--line)}
.section-tag{font-family:var(--mono);font-size:13px;color:var(--brand)}
.section h2{font-size:clamp(28px,3.4vw,38px);margin:8px 0 12px;color:var(--text-strong);font-weight:900;line-height:1.3}
.section-lead{margin:0 0 40px;color:var(--muted);max-width:640px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.section-head h2{margin-bottom:0}

/* ---------- Services ---------- */
.svc-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.svc-grid a{background:var(--bg);padding:28px;text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:8px;min-height:180px;height:100%;transition:background .2s}
.svc-grid a:hover{background:var(--surface)}
.svc-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.svc-code{font-family:var(--mono);font-size:14px;font-weight:600;color:var(--brand)}
.svc-group{font-family:var(--mono);font-size:11px;color:var(--muted);border:1px solid var(--line-2);border-radius:4px;padding:1px 6px}
.svc-grid h3{font-size:19px;margin:0;color:var(--text-strong)}
.svc-grid p{font-size:14px;color:var(--muted);margin:0}

/* ---------- Feed & tools ---------- */
.split{display:flex;flex-wrap:wrap;gap:48px}
.split>.main{flex:3 1 560px;min-width:0}
.split>.side{flex:2 1 340px;min-width:0}
.feed{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.feed a{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px 20px;text-decoration:none;color:var(--text);transition:border-color .2s}
.feed a:hover{border-color:var(--line-2)}
.tag{font-family:var(--mono);font-size:12px;font-weight:600;border:1px solid currentColor;border-radius:4px;padding:2px 8px;white-space:nowrap}
.tag-reg{color:var(--brand-light)}.tag-vuln{color:var(--warn)}.tag-case{color:var(--brand)}
.feed h3{font-size:16px;font-weight:500;color:var(--text-strong);margin:0}
.feed p{margin:4px 0 0;font-size:14px;color:var(--muted)}
.feed time{font-family:var(--mono);font-size:12px;color:var(--muted)}
.tools h2{font-size:28px}
.tool-list{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.tool-list li+li{border-top:1px solid var(--line)}
.tool-list a{display:flex;justify-content:space-between;gap:12px;padding:13px 18px;text-decoration:none;color:var(--text-2);font-size:15px;min-height:48px;align-items:center}
.tool-list a:hover{background:var(--surface);color:var(--text-strong)}
.tool-list a span:last-child{color:var(--brand)}

/* ---------- Contact ---------- */
.contact{background:var(--surface)}
.contact .container{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.contact-copy{flex:1 1 460px;min-width:0}
.contact h2{font-size:clamp(28px,3.6vw,40px)}
.contact h2 em{font-style:normal;color:var(--brand)}
.contact-info{margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.contact-info dl{margin:0 0 16px;display:grid;grid-template-columns:auto 1fr;gap:12px 16px;font-size:15px}
.contact-info dt{font-family:var(--mono);color:var(--muted);font-size:13px;padding-top:2px}
.contact-info dd{margin:0}
.map{border:1px solid var(--line);border-radius:10px;overflow:hidden;height:240px}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(.35) contrast(.95)}


/* ---------- 預約諮詢表單（欄位同服務詳情頁，送出由 js/detail.js 處理） ---------- */
.contact .formcard{flex:1 1 440px;min-width:0;background:var(--surface-2);border:1px solid var(--line-2);border-radius:var(--radius);padding:28px;box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.formcard h3{margin:0 0 4px;font-size:20px;color:var(--text-strong)}
.formcard .fsub{margin:0 0 20px;color:var(--muted);font-size:14px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;position:relative}
.fgrid .hp{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;opacity:0}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:500;color:var(--text-2)}
.field .req{color:var(--brand);margin-left:2px}
.field input,.field select,.field textarea{font:inherit;font-size:15px;color:var(--text);background:var(--bg);border:1px solid var(--line-2);border-radius:8px;padding:11px 12px;width:100%;min-height:46px;transition:border-color .15s,box-shadow .15s}
.field select{color-scheme:dark}
.field textarea{resize:vertical;min-height:96px}
.field input::placeholder,.field textarea::placeholder{color:#7F8F78}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(155,203,59,.18)}
.field .err{display:none;font-size:12px;color:#F59A9A}
.field.invalid input{border-color:#EF6B6B;background:rgba(239,107,107,.08)}
.field.invalid .err{display:block}
.consent{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.6;cursor:pointer}
.consent input{margin-top:4px;flex:none;width:16px;height:16px;accent-color:var(--brand-btn)}
.consent a{color:var(--brand)}
.submit{grid-column:1/-1;display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:4px}
.submit button{font:inherit;font-size:16px;font-weight:700;color:var(--on-brand);background:var(--brand-btn);border:0;border-radius:8px;min-height:48px;padding:12px 28px;cursor:pointer;transition:background .2s}
.submit button:hover{background:var(--brand-light)}
.submit button:disabled{opacity:.6;cursor:default}
.submit .alt{font-size:13px;color:var(--muted)}
.thanks{display:none;text-align:center;padding:36px 10px}
.thanks .big{font-size:20px;font-weight:700;color:var(--text-strong);margin-bottom:8px}
.thanks .tk{font-family:var(--mono);color:var(--brand);font-size:13px;margin-bottom:14px}
.thanks p{color:var(--muted);font-size:14px;max-width:38ch;margin:0 auto}
.formcard.sent form{display:none}
.formcard.sent .thanks{display:block}
@media (max-width:520px){.fgrid{grid-template-columns:1fr}.contact .formcard{padding:22px 18px}}

/* ---------- Footer：改由 css/nexus-base.css（全站共用 .nx-footer）提供 ---------- */

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}
.no-js .reveal{opacity:1;transform:none}

/* ---------- 研習會活動卡（沿用 js/seminar-promo.js，配色改為聯準綠） ---------- */
#seminar-promo .sem-promo-wrap{padding:48px 24px;max-width:1240px}
#seminar-promo .sem-promo{background:var(--surface-2);border:1px solid #3A5A1E;color:var(--text);box-shadow:none}
#seminar-promo .sem-promo:hover{border-color:var(--brand);box-shadow:none}
#seminar-promo .sem-promo .sp-sum{color:var(--text-2)}
#seminar-promo .sem-promo .sp-meta{color:var(--brand-light);font-family:var(--mono)}
#seminar-promo .sem-promo .sp-tag{font-family:var(--mono)}
#seminar-promo .sem-promo .sp-go{background:var(--brand-btn);color:var(--on-brand);font-weight:700}
#seminar-promo .sem-promo:hover .sp-go{background:var(--brand-light)}

/* ---------- 形象影片：置中放大播放（js/nexus-home.js 建立 <dialog class="film-modal">） ---------- */
.film.is-clickable img{cursor:pointer;transition:transform .4s ease,opacity .2s}
.film.is-clickable:hover img{transform:scale(1.03)}
.film-modal{padding:0;border:0;background:transparent;max-width:none;max-height:none;width:100%;height:100%;margin:0;overflow:hidden;color:var(--text)}
.film-modal[open]{display:flex;align-items:center;justify-content:center}
.film-modal::backdrop{background:rgba(3,7,4,.86);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.film-modal-box{position:relative;width:min(1120px,calc(100vw - 32px),calc((100vh - 120px) * 16 / 9));animation:filmIn .25s ease}
.film-modal-frame{position:relative;aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden;border:1px solid var(--line-2);box-shadow:0 40px 80px -20px rgba(0,0,0,.8)}
.film-modal-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.film-modal-close{position:absolute;right:0;bottom:calc(100% + 12px);width:44px;height:44px;border-radius:50%;border:1px solid var(--line-2);background:var(--surface);color:var(--text-strong);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s,border-color .2s}
.film-modal-close:hover{background:var(--surface-2);border-color:var(--brand)}
html.film-open{overflow:hidden}
@keyframes filmIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.film-modal-box{animation:none}.film.is-clickable:hover img{transform:none}}