/* ==========================================================================
   衡域策略顧問 EQUA — 官網樣式
   依品牌識別規範 v1.0：靛藍 × 電光藍 × 暖中性；Space Grotesk + 思源黑體
   ========================================================================== */
:root{
  --indigo:#1E3A8A;
  --electric:#2E8FE6;
  --link:#0F63C0;
  --ink:#15264D;
  --slate:#6B665D;
  --mist:#BDB7AB;
  --cloud:#EEF3FB;
  --paper:#F5F3EE;
  --line:#E7E2D9;
  --text:#2B2A28;
  --white:#ffffff;
  --maxw:1120px;
  --r-sm:12px; --r-md:16px; --r-lg:20px;
  --lh-body:1.8; --lh-compact:1.6;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --serif:"Noto Serif TC",serif;
  --mono:"Space Grotesk","Noto Sans TC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-weight:400;line-height:var(--lh-body);font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--ink);font-weight:500;line-height:1.3;margin:0}
p{margin:0 0 1em}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}
.serif{font-family:var(--serif)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-weight:500;font-size:15px;padding:13px 24px;border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;transition:.18s;line-height:1}
.btn-primary{background:var(--indigo);color:#fff}
.btn-primary:hover{background:#16306f;text-decoration:none}
.btn-accent{background:var(--electric);color:#fff}
.btn-accent:hover{background:#1c7ad2;text-decoration:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--indigo);color:var(--indigo);text-decoration:none}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--cloud);text-decoration:none}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(245,243,238,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:11px}
.brand img{width:34px;height:34px}
.brand > span{display:flex;flex-direction:column;justify-content:center}
.brand .bt{display:block;font-family:var(--mono);font-weight:700;font-size:20px;color:var(--ink);letter-spacing:.04em;line-height:1}
.brand .bs{display:block;font-size:11px;color:var(--slate);letter-spacing:.16em;margin-top:3px}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav a{color:var(--slate);font-size:15px;font-weight:500}
.nav a:hover{color:var(--indigo);text-decoration:none}
.nav a.active{color:var(--indigo)}
.nav a.active::after{content:"";display:block;height:2px;background:var(--electric);border-radius:2px;margin-top:3px}
.nav-cta{margin-left:4px}
.nav a.nav-cta,.nav a.nav-cta:hover{color:#fff}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:38px;font-size:20px;color:var(--ink);cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;-webkit-mask-image:radial-gradient(circle at 82% 24%,#000,transparent 68%);mask-image:radial-gradient(circle at 82% 24%,#000,transparent 68%)}
.hero .wrap{position:relative;padding:104px 28px 96px}
.hero-eyebrow{font-family:var(--mono);letter-spacing:.2em;font-size:13px;color:#8FB4E6;text-transform:uppercase;margin-bottom:22px}
.hero h1{color:#fff;font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:.01em;font-weight:500;max-width:16em}
.hero h1 .hl{color:var(--electric)}
.hero .lead{color:#D8D2C6;font-size:18px;max-width:36em;margin:24px 0 34px;line-height:1.85}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero-en{font-family:var(--mono);font-size:15px;letter-spacing:.14em;color:#8FB4E6;margin-top:40px}

/* ---------- sections ---------- */
section{padding:88px 0}
.sec-alt{background:var(--white)}
.sec-ink{background:var(--ink);color:#fff}
.sec-ink h2,.sec-ink h3{color:#fff}
.eyebrow{font-family:var(--mono);font-weight:600;letter-spacing:.2em;font-size:12px;color:var(--link);text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.sec-ink .eyebrow{color:#8FB4E6}
.eyebrow .no{color:var(--slate)}
.sec-title{font-size:clamp(26px,3.4vw,36px);margin-bottom:10px;letter-spacing:.01em}
.sec-lead{color:var(--slate);font-size:17px;max-width:640px;margin-bottom:44px}
.sec-ink .sec-lead{color:#C7CEDD}
.center{text-align:center}
.center .eyebrow{justify-content:center}
.center .sec-lead{margin-left:auto;margin-right:auto}

/* ---------- numbers ---------- */
.numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.numbers .n{font-family:var(--mono);font-weight:700;font-size:clamp(40px,6vw,64px);color:var(--indigo);line-height:1}
.sec-ink .numbers .n{color:#fff}
.numbers .n .u{color:var(--electric)}
.numbers .t{color:var(--slate);margin-top:8px;font-size:15px}
.sec-ink .numbers .t{color:#C7CEDD}

/* ---------- cards / grids ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:30px;transition:.18s}
.sec-alt .card{background:var(--paper)}
.card:hover{border-color:#cfd6e6;transform:translateY(-2px)}
.card .ic{width:44px;height:44px;border-radius:12px;background:var(--cloud);color:var(--indigo);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:700;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--slate);font-size:15px;margin:0}
.card ul{margin:14px 0 0;padding:0;list-style:none}
.card ul li{position:relative;padding-left:20px;color:var(--slate);font-size:14px;margin-top:8px}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--electric)}

/* ---------- framework ---------- */
.framework{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fw{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:28px 22px}
.fw .l{font-family:var(--mono);font-size:44px;font-weight:700;color:var(--electric);line-height:1}
.fw .t{font-weight:500;font-size:18px;color:#fff;margin-top:14px}
.fw .d{color:#C7CEDD;font-size:14px;margin-top:6px;line-height:var(--lh-compact)}

/* ---------- belief list ---------- */
.beliefs{margin:0;padding:0;list-style:none;counter-reset:b}
.beliefs li{counter-increment:b;border-top:1px solid var(--line);padding:20px 0;display:flex;gap:18px;align-items:flex-start}
.beliefs li::before{content:counter(b,decimal-leading-zero);font-family:var(--mono);font-weight:700;color:var(--indigo);font-size:15px;min-width:30px}
.beliefs .lead-belief{font-family:var(--serif);font-size:20px;color:var(--ink);line-height:1.7}

/* ---------- brand wall ---------- */
.brands{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:900px;margin:0 auto}
.brands span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-size:14px;color:var(--ink)}

/* ---------- tiers ---------- */
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:32px;display:flex;flex-direction:column;height:100%}
.tier.feat{border:2px solid var(--electric)}
.tier .badge{align-self:flex-start;background:var(--cloud);color:var(--indigo);font-size:12px;font-weight:500;padding:4px 12px;border-radius:999px;margin-bottom:14px}
.tier h3{font-size:20px}
.tier .term{font-family:var(--mono);color:var(--slate);font-size:13px;margin:4px 0 18px}
.tier ul{list-style:none;margin:0 0 20px;padding:0;flex:1}
.tier ul li{position:relative;padding-left:24px;font-size:14px;color:var(--text);margin-top:10px}
.tier ul li::before{content:"✓";position:absolute;left:0;color:var(--electric);font-weight:700}
.tier .fit{font-size:13px;color:var(--slate);border-top:1px solid var(--line);padding-top:14px}

/* ---------- FAQ ---------- */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:0 24px;margin-bottom:12px}
.faq summary{list-style:none;cursor:pointer;padding:22px 0;font-weight:500;color:var(--ink);font-size:17px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:24px;color:var(--electric);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--slate);font-size:15px;padding-bottom:22px;margin:0}

/* ---------- Alice profile ---------- */
.profile{display:grid;grid-template-columns:200px 1fr;gap:36px;align-items:start}
.profile{grid-template-columns:220px 1fr}
.profile .avatar{width:220px;height:270px;border-radius:var(--r-lg);background:var(--ink);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.profile .avatar::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:22px 22px}
.profile .avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 15%}
.profile .avatar .ini{position:relative;font-family:var(--mono);font-weight:700;font-size:56px;color:#fff}
.profile .tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 18px}
.profile .tags span{background:var(--cloud);color:var(--indigo);font-size:12px;padding:4px 11px;border-radius:999px;font-family:var(--mono)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px;text-align:center}
.contact-card .k{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--slate);text-transform:uppercase;margin-bottom:10px}
.contact-card .v{font-size:17px;color:var(--ink);font-weight:500}

/* ---------- CTA band ---------- */
.cta-band{background:var(--indigo);color:#fff;border-radius:var(--r-lg);padding:52px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:40px 40px;-webkit-mask-image:radial-gradient(circle at 85% 20%,#000,transparent 70%);mask-image:radial-gradient(circle at 85% 20%,#000,transparent 70%)}
.cta-band > *{position:relative}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.cta-band p{color:#C7CEDD;margin-bottom:26px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C7CEDD;padding:56px 0 40px;font-size:14px}
.site-footer .top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer .brand .bt{color:#fff}
.site-footer .brand .bs{color:var(--mist)}
.site-footer .fnav{display:flex;gap:24px;flex-wrap:wrap}
.site-footer .fnav a{color:#C7CEDD}
.site-footer .fnav a:hover{color:#fff}
.site-footer .bottom{padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--mist);font-size:13px}

/* ---------- helpers ---------- */
.mt-lead{color:var(--slate);font-size:17px;line-height:1.9}
.divider{height:1px;background:var(--line);margin:0}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .grid-3,.numbers,.framework,.contact-grid{grid-template-columns:1fr 1fr}
  .profile{grid-template-columns:1fr}
  .profile .avatar{width:180px;height:220px}
}
@media(max-width:720px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 0}
  .nav.open{display:flex}
  .nav a{padding:13px 28px}
  .nav a.active::after{display:none}
  .nav-cta{margin:10px 28px}
  .nav-toggle{display:block}
  .grid-2,.grid-3,.numbers,.framework,.contact-grid{grid-template-columns:1fr}
  section{padding:60px 0}
  .hero .wrap{padding:72px 28px 64px}
  .cta-band{padding:38px 24px}
}

/* ==========================================================================
   互動與豐富度增強：捲動浮現動畫、Hero 圖像、創辦人區、Logo 牆、Framework 連線
   ========================================================================== */

/* 捲動浮現 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.40s}.reveal.d6{transition-delay:.48s}

/* Hero 兩欄 + 動態棋盤圖像 */
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-copy{min-width:0}
.hero-art{position:relative;display:flex;justify-content:center;align-items:center}
.hero-art svg{width:100%;max-width:400px;height:auto}
.go-stone{opacity:0;animation:stoneIn .6s ease forwards}
.go-stone.s2{animation-delay:.35s}.go-stone.s3{animation-delay:.7s}.go-stone.s4{animation-delay:1.05s}
.go-key{animation:stoneIn .6s ease 1.4s forwards,keyGlow 2.6s ease-in-out 2s infinite}
.go-pulse{transform-origin:center;transform-box:fill-box;opacity:0;animation:pulse 2.6s ease-out 2s infinite}
.go-line{stroke-dasharray:220;stroke-dashoffset:220;animation:draw 1s ease .3s forwards}
@keyframes stoneIn{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}
@keyframes pulse{0%{opacity:.5;transform:scale(1)}70%{opacity:0;transform:scale(2.4)}100%{opacity:0}}
@keyframes keyGlow{0%,100%{filter:none}50%{filter:drop-shadow(0 0 6px rgba(46,143,230,.8))}}
@keyframes draw{to{stroke-dashoffset:0}}
.go-stone,.go-key{transform-origin:center;transform-box:fill-box}

/* 創辦人 home 區 */
.founder{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:44px;display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.founder::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:30px 30px;-webkit-mask-image:radial-gradient(circle at 12% 20%,#000,transparent 62%);mask-image:radial-gradient(circle at 12% 20%,#000,transparent 62%)}
.founder > *{position:relative}
.founder h3{color:#fff}
.founder .avatar{width:220px;height:220px;border-radius:var(--r-lg);background:#0f1c3a;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.12)}
.founder .avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 20%}
.founder .avatar .ini{font-family:var(--mono);font-weight:700;font-size:64px;color:#fff;letter-spacing:.04em}
.founder .avatar .badge{position:absolute;bottom:0;left:0;right:0;background:var(--electric);color:#fff;font-size:11px;text-align:center;padding:6px;letter-spacing:.08em}
.founder .role{color:var(--electric);font-family:var(--mono);font-size:13px;letter-spacing:.06em;margin:4px 0 12px}
.founder .bio{color:#C7CEDD;font-size:15px;line-height:1.85}
.founder .tags{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0 0}
.founder .tags span{background:rgba(255,255,255,.08);color:#DCE6F5;font-size:12px;padding:4px 11px;border-radius:999px;font-family:var(--mono)}

/* Logo 牆（灰階字標，hover 浮現品牌色） */
.logowall{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;max-width:960px;margin:0 auto}
.logowall .cell{background:#fff;min-height:96px;display:flex;align-items:center;justify-content:center;padding:18px 14px;text-align:center;transition:.22s}
.logowall .cell img{max-width:100%;max-height:38px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.58;transition:.28s}
.logowall .cell:hover img{filter:none;opacity:1;transform:scale(1.04)}
.logowall .wm{font-family:var(--sans);font-weight:500;font-size:15px;line-height:1.25;color:#A7A29A;letter-spacing:.02em;transition:.22s}
.logowall .wm.en{font-family:var(--mono);font-weight:600;letter-spacing:.04em}
.logowall .cell:hover .wm{color:var(--indigo)}
.brandwall-note{text-align:center;color:var(--slate);font-size:13px;margin-top:16px}

/* Framework 連線（桌機） */
.framework{position:relative}
.fw{position:relative}
.fw:not(:last-child)::after{content:"";position:absolute;top:50%;right:-14px;width:14px;height:2px;background:rgba(255,255,255,.25);z-index:1}

/* section 頂部細節線 */
.eyebrow .no{font-variant-numeric:tabular-nums}

@media(max-width:900px){
  .founder{grid-template-columns:1fr;text-align:center}
  .founder .avatar{margin:0 auto}
  .founder .tags{justify-content:center}
  .logowall{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:720px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{display:none}
  .logowall{grid-template-columns:repeat(3,1fr)}
  .fw:not(:last-child)::after{display:none}
  .founder{padding:32px 24px}
}

/* 尊重使用者的減少動態偏好 */
@media (prefers-reduced-motion: reduce){
  *,.reveal{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}