/* iCare Hub — ศูนย์กลาง iCare (/hub/) และหน้าสถานะ /operations/ /customer/
   ดีไซน์ยกมาจาก design-preview/icare-unified-portal.html (ต้นแบบที่เจ้าของงานอนุมัติ 22 ต.ค. 2569)
   หน้าเหล่านี้เป็น static ล้วน: ไม่โหลด Firebase ไม่อ่านข้อมูลภายใน ไม่เปลี่ยนสิทธิ์ผู้ใช้ */
:root{--bg:#f5f5f7;--surface:#fff;--ink:#1d1d1f;--muted:#73737a;--line:#e5e5ea;--blue:#0071e3;--blue2:#eaf3ff;
  --green:#257650;--amber:#a56520;--shadow:0 18px 55px rgba(31,39,58,.055)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Noto Sans Thai",Tahoma,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.55}
a{color:inherit}
img{max-width:100%}
.skip-link{position:absolute;left:12px;top:-60px;background:#fff;color:var(--blue);padding:8px 12px;border-radius:10px;font-weight:700;z-index:10}
.skip-link:focus{top:10px}
a:focus-visible,button:focus-visible{outline:3px solid #8bc6ff;outline-offset:2px}
.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:800;color:#787b85;text-transform:uppercase;margin:0}
.blue{color:var(--blue)}
.eyebrow-th{text-transform:none;letter-spacing:.02em;font-size:13px} /* ข้อความไทย/ชื่อ iCare: ไม่บังคับตัวพิมพ์ใหญ่ ไม่ถ่างตัวอักษร */

/* ── header ── */
.public-header{display:flex;align-items:center;justify-content:space-between;gap:20px;height:82px;padding:0 max(26px,calc((100vw - 1240px)/2));background:#fff;border-bottom:1px solid var(--line)}
.brand{font-size:26px;font-weight:800;letter-spacing:-.09em;color:#101014;text-decoration:none;line-height:1.1}
.brand span{font-size:10px;font-weight:650;letter-spacing:.08em;display:block;color:#777b84;margin-top:-3px}
.public-header nav{display:flex;align-items:center;gap:28px}
.public-header nav a{color:#51545e;font-weight:650;text-decoration:none}
.public-header nav a:hover{color:var(--blue)}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:11px 17px;font-weight:700;line-height:1.2;min-height:42px;text-decoration:none;transition:transform .15s,background .15s}
.btn:hover{background:#0062c8;transform:translateY(-1px)}
.btn.secondary{background:#f1f5fa;color:#18538f}
.btn.secondary:hover{background:#e3edf9}
.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn.small{padding:8px 12px;min-height:34px;font-size:12px}

/* ── hero ── */
.public-main{max-width:1240px;margin:auto;padding:34px 26px 70px}
.hero{border-radius:26px;background:linear-gradient(115deg,#e5e7ed 0%,#f3f4f6 44%,#e7e9ed 100%);min-height:410px;display:grid;grid-template-columns:1fr .95fr;overflow:hidden;position:relative}
.hero-copy{padding:58px 54px;z-index:1}
.hero h1{font-size:clamp(37px,4vw,60px);line-height:1.13;letter-spacing:-.06em;margin:21px 0}
.hero p{font-size:17px;color:#5d626c;max-width:490px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:27px}
.device-photo{margin:0;align-self:center;padding:14px 10px 15px 0;min-width:0}
.device-photo img{display:block;width:100%;height:auto;mix-blend-mode:multiply}
.device-photo figcaption{text-align:center;font-size:11px;color:#747b88;letter-spacing:.06em;margin:6px 0}

/* ── system cards ── */
.section-title{display:flex;justify-content:space-between;align-items:end;gap:14px;margin:52px 0 21px}
.section-title h2{font-size:30px;letter-spacing:-.05em;margin:9px 0 0}
.audiences{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.audience{border:1px solid var(--line);background:#fff;border-radius:20px;text-align:left;padding:27px;min-height:230px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:start;text-decoration:none;color:inherit;transition:transform .15s,border-color .15s}
.audience:hover{border-color:#abd4ff;transform:translateY(-2px)}
.audience-icon{height:47px;width:47px;border-radius:14px;display:grid;place-items:center;background:var(--blue2);color:var(--blue);font-size:24px;margin-bottom:22px}
.audience h3{font-size:21px;letter-spacing:-.035em;margin:0 0 7px}
.audience p{color:var(--muted);font-size:13px;margin:0;flex:1}
.audience .link{margin-top:15px;color:var(--blue);font-weight:700}
.audience.future{background:#f8f8fa}
.audience.future .audience-icon{background:#ededf0;color:#858993}
.state{display:inline-block;font-size:11px;font-weight:700;border-radius:999px;padding:3px 10px;margin:0 0 10px;white-space:nowrap}
.state.ready{background:#e7f5ee;color:var(--green)}
.state.building{background:#fdf2e3;color:var(--amber)}
.state.later{background:#ededf0;color:#62656e}

/* ── connected structure ── */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px}
.feature h3{font-size:20px;margin:0 0 7px}
.feature p{color:var(--muted);margin:0}
.feature ul{padding-left:18px;color:#555963;line-height:1.9;margin-bottom:0}
.public-note{margin-top:33px;color:#92949b;font-size:11px;text-align:center}
.footer{display:flex;justify-content:space-between;gap:15px;color:#a1a5ac;border-top:1px solid var(--line);padding-top:18px;margin-top:30px;font-size:10px}

/* ── หน้าพื้นที่ (Operation Center / บริการลูกค้า) ── */
.hub-back-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:13px;color:#18538f;background:#f1f5fa;border-radius:12px;padding:8px 13px;text-decoration:none}
.hub-back-link:hover{background:#e3edf9}
.area-hero{border-radius:26px;background:linear-gradient(115deg,#e5e7ed 0%,#f3f4f6 44%,#e7e9ed 100%);padding:46px 54px}
.area-hero h1{font-size:clamp(32px,3.4vw,48px);line-height:1.15;letter-spacing:-.055em;margin:16px 0 12px}
.area-hero p{font-size:16px;color:#5d626c;max-width:640px;margin:0}
.status-panel{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;margin-top:22px;box-shadow:var(--shadow)}
.status-panel .state{flex-shrink:0;margin:2px 0 0}
.status-panel strong{display:block;font-size:15px;margin-bottom:3px}
.status-panel p{margin:0;color:var(--muted);font-size:13px}
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.module{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px}
.module h3{font-size:16px;margin:0 0 5px;letter-spacing:-.02em}
.module p{margin:0;color:var(--muted);font-size:13px}

@media(max-width:1120px){.hero-copy{padding:42px}.module-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:780px){
  .public-header{padding:0 18px;height:72px}.public-header nav{display:none}
  .public-main{padding:18px 16px 50px}
  .hero{grid-template-columns:1fr}.hero-copy{padding:33px 26px 15px}.hero h1{font-size:40px}.hero p{font-size:14px}
  .device-photo{padding:0 18px 24px}
  .audiences,.two-col,.module-grid{grid-template-columns:1fr}.audience{min-height:160px}
  .section-title h2{font-size:26px}
  .area-hero{padding:32px 24px}
  .status-panel{flex-direction:column;gap:8px}
  .footer{flex-direction:column}
}
@media(max-width:420px){.btn{padding:10px 12px}.hero h1{font-size:35px}.public-header .btn{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}