/* =========================================================
   Foundy — Clean Rebuild stylesheet (clone-style.css)
   從 live foundy.hk 抽取色板/字型/節奏重寫,非抄 Elementor。
   改 visual 嚟度改呢個 file 就得。
   ========================================================= */

/* ---------- Design tokens ---------- */
:root{
  /* brand / action blues */
  --blue-deep:#03486a;          /* hero 底 */
  --blue-mid:#0493da;           /* primary 控制/連結 */
  --blue-hover:#0378b0;
  --blue-menu:#0272a4;
  --blue-soft:#b3d1ea;          /* hover / soft */
  --blue-bright:#2DB8E8;        /* START YOUR STAGE accent + 數字 */
  --blue-card:#0e6ba8;

  /* headings & text */
  --navy-h:#07438a;             /* card/feature titles */
  --ink:#22303f;
  --text:#5d6b82;
  --muted:#69727d;

  /* orange CTAs */
  --orange:#ff543e;
  --orange-deep:#e04a33;

  /* feedback accents */
  --green:#61ce70;
  --green-deep:#11a97d;
  --red:#ff5a4f;

  /* surfaces (section bg rhythm, 淺) */
  --bg-1:#ffffff;
  --bg-2:#f7fafe;
  --bg-3:#f7f9fd;
  --bg-4:#edf3fb;
  --bg-tint:#eaf1ff;
  --bg-hydro:#e6f4fd;

  /* footer navy */
  --footer:#0b202c;
  --footer-2:#0F2431;
  --footer-line:#243545;
  --footer-text:#c7ced6;

  --radius:16px;
  --shadow:0 12px 34px -18px rgba(7,52,102,.35);
  --maxw:1200px;

  --font-zh:'Noto Sans TC','Noto Sans',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-display:'Poppins','Noto Sans TC',sans-serif;
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-zh);
  color:var(--ink);
  background:var(--bg-1);
  line-height:1.7;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block}
a{color:var(--blue-mid); text-decoration:none}
h1,h2,h3,h4,p,ol,ul,address{margin:0; padding:0}
ul,ol{list-style:none}
.skip-link{position:absolute; left:-999px; top:0; background:#111; color:#fff; padding:8px 14px; z-index:200}
.skip-link:focus{left:8px; top:8px}
.container{max-width:var(--maxw); margin:0 auto; padding-left:24px; padding-right:24px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  font-family:var(--font-zh);
  font-weight:600;
  font-size:1rem;
  line-height:1;
  padding:16px 34px;
  border-radius:999px;
  border:2px solid transparent;
  text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn--white{background:#fff; color:var(--blue-deep); border-color:#fff}
.btn--white:hover{background:transparent; color:#fff}
.btn--primary{background:var(--blue-mid); color:#fff; border-color:var(--blue-mid)}
.btn--primary:hover{background:var(--blue-hover); border-color:var(--blue-hover)}
.btn--accent{background:var(--orange); color:#fff; border-color:var(--orange)}
.btn--accent:hover{background:var(--orange-deep); border-color:var(--orange-deep)}

/* =========================================================
   1. HEADER
   ========================================================= */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background-color .35s ease, box-shadow .35s ease;
}
.header-inner{display:flex; align-items:center; justify-content:space-between; gap:24px; height:78px}
.brand{display:inline-flex; align-items:center}
.brand-logo{height:34px;width:auto; transition:opacity .3s ease}
.brand-logo--dark{display:none}
.site-nav > ul{display:flex; align-items:center; gap:6px}
.site-nav a{color:#fff; font-family:var(--font-zh); font-weight:700; font-size:1.02rem; padding:6px 10px; border-radius:8px; transition:color .2s ease, background .2s ease}
.site-nav a:hover{color:var(--blue-soft)}
/* transparent state: white */
.site-header:not(.is-scrolled):not(.is-open){background:linear-gradient(180deg,rgba(3,16,28,.65),rgba(3,16,28,0))}
.site-header.is-scrolled,.site-header.is-open{
  background:rgba(255,255,255,.97); box-shadow:0 6px 20px -12px rgba(7,52,102,.35);
}
.site-header.is-scrolled .site-nav a, .site-header.is-open .site-nav a,
.site-header.is-scrolled .nav-cta    {color:var(--navy-h)}
.site-header.is-scrolled .site-nav a:hover, .site-header.is-open .site-nav a:hover{color:var(--blue-mid)}
/* logo switch when scrolled/opened */
.site-header.is-scrolled .brand-logo--white,
.site-header.is-open   .brand-logo--white{display:none}
.site-header.is-scrolled .brand-logo--dark,
.site-header.is-open   .brand-logo--dark{display:inline-flex}

/* mobile toggle */
.nav-toggle{display:none; flex-direction:column; justify-content:center; gap:5px; width:42px; height:42px; border:0; background:rgba(255,255,255,.14); border-radius:10px; cursor:pointer}
.nav-toggle span{display:block; height:2.5px; width:22px; margin:0 auto; background:currentColor; color:inherit; border-radius:2px; transition:transform .25s ease,opacity .25s ease}
.nav-toggle, .mobile-menu{color:#0b2b42}
.site-header:not(.is-scrolled) .nav-toggle{color:#fff}
.site-header:not(.is-scrolled).is-open .mobile-menu, .mobile-menu{color:var(--navy-h)}

.mobile-menu{display:none}
.site-header.is-open .mobile-menu{display:block; background:rgba(255,255,255,.98); padding:8px 20px 20px; border-radius:0 0 16px 16px; box-shadow:0 16px 24px -18px rgba(0,0,0,.35)}
.mobile-menu ul{display:flex; flex-direction:column}
.mobile-menu a{display:block; padding:12px 4px; border-bottom:1px solid #eef3fa; color:var(--navy-h); font-weight:700}

/* =========================================================
   2. HERO
   ========================================================= */
.hero{position:relative; min-height:92vh; display:flex; align-items:center;
  background:linear-gradient(180deg,#0a4c70,#03486a 45%,#023a57);
  background-color:var(--blue-deep);
}
.hero-overlay{position:absolute; inset:0; background:
  radial-gradient(120% 120% at 20% 10%, rgba(2,84,131,.72), rgba(2,48,72,.94) 55%, rgba(2,33,52,.98));
}
.hero-inner{position:relative; z-index:2; padding:150px 24px 96px; max-width:var(--maxw); margin:0 auto; width:100%}
.hero-kicker{
  font-family:var(--font-display); font-weight:900; letter-spacing:3px;
  color:#fff; font-size:1.35rem; margin-bottom:1rem;
}
.hero-kicker .accent{color:var(--blue-bright)}
.hero-title{
  font-family:var(--font-display); font-weight:700;
  color:#fff; font-size:clamp(2.1rem,5.2vw,3.6rem); line-height:1.22;
  max-width:16ch; text-shadow:0 2px 18px rgba(0,0,0,.25);
}
.hero-sub{color:rgba(255,255,255,.88); font-size:clamp(1.02rem,1.6vw,1.3rem); max-width:52ch; margin:20px 0 36px}
.hero-actions{display:flex; flex-wrap:wrap; gap:16px}
.hero-scroll{position:absolute; bottom:24px; left:50%; transform:translateX(-50%); width:26px; height:42px; border:2px solid rgba(255,255,255,.5); border-radius:16px}
.hero-scroll::after{content:""; position:absolute; top:8px; left:50%; margin-left:-2px; width:4px; height:8px; border-radius:3px; background:#fff; animation:drop 1.6s infinite}
@keyframes drop{0%{opacity:0;transform:translateY(-4px)}50%{opacity:1}100%{opacity:0;transform:translateY(10px)}}

/* =========================================================
   Shared section paddings & kickers
   ========================================================= */
.section{padding:96px 0}
.section-head{margin-bottom:44px; text-align:center}
.kicker{
  text-align:center; color:var(--blue-card);
  font-family:var(--font-zh); font-weight:500; letter-spacing:.25em; text-transform:uppercase;
  font-size:.82rem; margin-bottom:10px;
}
.kicker strong{color:var(--blue-card)}
.h2{
  font-family:var(--font-display); font-weight:700; color:var(--navy-h);
  font-size:clamp(1.9rem,3.6vw,2.7rem); line-height:1.25;
}
.section-sub{color:var(--navy-h); font-size:1.25rem; font-weight:600; margin-top:8px}
.section-lead{color:var(--text); max-width:62ch; margin:12px auto 0; font-size:1.03rem}

.block-center{margin-left:auto; margin-right:auto; text-align:center}

/* =========================================================
   3. 服務範疇 (bg soft #f7fafe)
   ========================================================= */
.section--services{background:var(--bg-2)}
.cards{display:grid; grid-template-columns:repeat(2,1fr); gap:26px}
.card{
  background:#fff; border-radius:var(--radius); overflow:hidden;
  box-shadow:var(--shadow); border:1px solid #eef3fb;
  display:flex; flex-direction:column;
}
.card-img{aspect-ratio:16/10; object-fit:cover; width:100%}
.card-body{padding:24px 26px 26px; display:flex; flex-direction:column; gap:10px; flex:1}
.card-title{font-size:1.3rem; font-weight:700; color:var(--navy-h); display:flex; flex-wrap:wrap; align-items:baseline; gap:.5em; line-height:1.35}
.card-tag{font-size:.78rem; font-weight:600; color:var(--blue-bright); letter-spacing:.02em; white-space:nowrap}
.card-desc{color:var(--text); font-size:.98rem}
.card-points{display:flex; flex-direction:column; gap:9px; margin-top:auto; padding-top:8px}
.card-points li{position:relative; padding-left:22px; color:#3d4f66; font-size:.95rem; font-weight:500}
.card-points li::before{
  content:""; position:absolute; left:0; top:.42em; width:9px; height:9px;
  background:var(--blue-bright); border-radius:50%; box-shadow:0 0 0 2px #dff3fc;
}

/* =========================================================
   4. 服務特點 (#edf3fb)
   ========================================================= */
.section--features{background:var(--bg-4)}
.feature-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px}
.feature{
  background:#fff; border-radius:var(--radius); padding:24px 20px 28px;
  box-shadow:var(--shadow); border:1px solid #e4edf8; text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:13px;
}
.feature-img{width:124px;height:124px; object-fit:cover; border-radius:14px; box-shadow:var(--shadow)}
.feature-icon{width:124px;height:124px; display:grid; place-items:center; border-radius:14px; color:#fff; background:linear-gradient(135deg,var(--blue-mid),var(--blue-deep)); box-shadow:var(--shadow)}
.feature-title{font-size:1.08rem; font-weight:700; color:var(--navy-h); line-height:1.4}
.feature-desc{color:var(--text); font-size:.92rem}

/* =========================================================
   5. KPI STATS (white band)
   ========================================================= */
.section--stats{background:var(--bg-1); padding:70px 0}
.stats{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center}
.stat{padding:26px 8px}
.stat-value{
  font-family:var(--font-display); font-weight:800;
  color:var(--blue-bright); font-size:clamp(2.6rem,5vw,3.6rem);
  line-height:1; text-shadow:0 6px 22px rgba(45,184,232,.18);
}
.stat-value span{font-size:1.4rem; font-weight:700}
.stat-label{color:var(--navy-h); font-weight:700; font-size:1.06rem; margin-top:10px}
.stat-note{color:var(--muted); font-size:.82rem; margin-top:4px}

/* =========================================================
   6. 合作流程 (#f7f9fd)
   ========================================================= */
.section--process{background:var(--bg-3)}
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:36px}
.step{
  background:#fff; border-radius:var(--radius); padding:26px 22px 24px;
  border:1px solid #e7eef8; box-shadow:var(--shadow);
  display:flex; flex-direction:column; gap:6px;
}
.step-num{
  font-family:var(--font-display); font-weight:800; font-size:1.15rem; color:var(--red);
  letter-spacing:.02em;
}
.step-title{font-size:1.2rem; font-weight:700; color:var(--blue-card); margin-top:8px}

/* =========================================================
   7. 資訊安全與穩定 (#edf3fb)
   ========================================================= */
.section--security{background:var(--bg-4)}
.security-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:36px}
.sec-item{
  background:#fff; border-radius:14px; padding:20px 22px;
  display:flex; gap:16px; align-items:flex-start;
  border:1px solid #e4edf8; box-shadow:0 8px 22px -16px rgba(7,52,102,.4);
}
.sec-icon{flex:0 0 auto; width:52px; height:52px; border-radius:12px; display:grid; place-items:center; font-size:1.4rem; background:var(--bg-hydro); color:var(--blue-deep)}
.sec-item h3{font-size:1.05rem; font-weight:700; color:var(--navy-h)}
.sec-item p{color:var(--text); font-size:.93rem; margin-top:2px}
.sec-item:last-child .sec-icon{background:linear-gradient(135deg,var(--green),var(--green-deep)); color:#fff}

/* =========================================================
   8. CTA (deep banner crop)
   ========================================================= */
.section--cta{
  position:relative; color:#fff; text-align:center;
  background:linear-gradient(120deg,#02212f,#043e5c 55%,#05587f);
  overflow:hidden;
}
.section--cta::before{content:""; position:absolute; inset:-40% -10% auto; height:120%;
  background:
    radial-gradient(circle at 15% 120%, rgba(45,184,232,.5), transparent 45%),
    radial-gradient(circle at 90% 0%, rgba(255,120,80,.35), transparent 40%);
}
.cta-inner{position:relative; z-index:1; padding:84px 24px; display:flex; flex-direction:column; align-items:center; gap:16px}
.cta-title{font-family:var(--font-display); font-weight:700; font-size:clamp(1.9rem,3.6vw,2.7rem); line-height:1.3}
.cta-sub{font-size:1.15rem; color:rgba(255,255,255,.9); margin-bottom:8px}
.section--cta .btn--accent{margin-top:4px}

/* =========================================================
   9. FOOTER
   ========================================================= */
.site-footer{background:linear-gradient(180deg,var(--footer),#071722); color:#bfd3e2}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:36px;
  padding:64px 24px 40px;
}
.footer-brand p{color:#9fb7c9; max-width:34ch; margin-top:14px; font-size:.96rem}
.footer-logo{height:36px;width:auto}
.footer-col h3{color:#fff; font-size:1rem; font-weight:700; margin-bottom:14px}
.footer-col ul{display:flex; flex-direction:column; gap:9px}
.footer-col a{color:#9fb7c9; font-size:.95rem; transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-col address{font-style:normal; color:#9fb7c9; margin-top:16px; font-size:.92rem; line-height:1.8}
.footer-bar{border-top:1px solid var(--footer-line); background:var(--footer-2)}
.bar-inner{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; padding:18px 24px}
.footer-copy{color:var(--footer-text); font-size:.8rem; line-height:1.6}
.badges{display:inline-flex; gap:8px; flex-wrap:wrap}
.tag{display:inline-flex; align-items:center; gap:6px; padding:5px 11px; border-radius:999px; line-height:1;
  font-size:.78rem; font-weight:600; background:var(--footer-2); border:1px solid #2c3f4f; color:#D3E9FF; white-space:nowrap}
.tag .dot{width:6px; height:6px; border-radius:50%; background:#0493DA; display:inline-block}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1080px){
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr; gap:32px}
}
@media (max-width:920px){
  .cards{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .site-nav{display:none}
  .nav-toggle{display:flex}
  .section{padding:60px 0}
  .feature-grid{grid-template-columns:1fr}
  .security-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr; gap:28px}
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:480px){
  .stats{grid-template-columns:1fr}
  .bar-inner{flex-direction:column; align-items:center; text-align:center}
}