/* ============================================================
   数光科技 · 品牌官网共享样式
   品牌色：深蓝 #0c2461 / 主蓝 #1e50a2 / 亮蓝 #3b82f6 / 青 #06b6d4
   ============================================================ */
:root{
  --navy:#0c2461;
  --navy-2:#0a1f54;
  --blue:#1e50a2;
  --bright:#3b82f6;
  --cyan:#06b6d4;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e8edf3;
  --line-2:#eef2f7;
  --bg:#ffffff;
  --bg-soft:#f7f9fc;
  --bg-tint:#eef3fb;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05),0 2px 8px rgba(15,23,42,.04);
  --shadow-md:0 12px 30px -10px rgba(15,23,42,.18);
  --shadow-lg:0 30px 60px -20px rgba(12,36,97,.35);
  --r:18px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','PingFang SC','Microsoft YaHei','Source Han Sans CN','Noto Sans CJK SC',system-ui,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.ey{font-size:12px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--bright)}
.hl{background:linear-gradient(90deg,#5eead4,#3b82f6);-webkit-background-clip:text;background-clip:text;color:transparent}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:11px;font-weight:600;font-size:15px;transition:.25s var(--ease);cursor:pointer;border:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--bright),var(--blue));color:#fff;box-shadow:0 10px 24px -8px rgba(30,80,162,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -8px rgba(30,80,162,.6)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-outline{background:#fff;color:var(--blue);border:1px solid var(--line)}
.btn-outline:hover{border-color:var(--bright);color:var(--bright);transform:translateY(-2px);box-shadow:var(--shadow-sm)}

/* ---------- NAV ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:60;transition:.35s var(--ease)}
header.scrolled{background:rgba(12,36,97,.92);backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(8,22,55,.3)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:11px}
.logo .mark{width:40px;height:40px;display:block;flex:none}
.logo .name{color:#fff;font-size:20px;font-weight:800;letter-spacing:1px;line-height:1}
.logo .name small{display:block;font-size:9px;font-weight:600;letter-spacing:2.5px;color:#9bb4e6;margin-top:3px}
nav ul{display:flex;gap:38px;list-style:none}
nav ul a{color:rgba(255,255,255,.82);font-size:15px;font-weight:500;transition:.2s;position:relative;padding:6px 0}
nav ul a:hover{color:#fff}
nav ul a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--bright));transition:.28s var(--ease);border-radius:2px}
nav ul a:hover::after,nav ul a.active::after{width:100%}
nav ul a.active{color:#fff}
.nav-cta{display:flex;gap:12px;align-items:center}
.menu-btn{display:none;background:none;border:none;color:#fff;font-size:26px;cursor:pointer;line-height:1}

/* ---------- HERO (首页) ---------- */
.hero{position:relative;padding:184px 0 120px;background:
    radial-gradient(900px 500px at 82% -8%,rgba(6,182,212,.22),transparent 60%),
    radial-gradient(800px 500px at 10% 10%,rgba(59,130,246,.28),transparent 55%),
    linear-gradient(155deg,#081b47 0%,#0c2461 45%,#13367f 100%);
  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;mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 40%,transparent 80%);opacity:.6}
.glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none}
.glow.a{width:420px;height:420px;background:#1e50a2;top:-120px;right:8%}
.glow.b{width:360px;height:360px;background:#06b6d4;bottom:-140px;left:4%}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center;position:relative;z-index:2}
.hero h1{color:#fff;font-size:54px;line-height:1.18;font-weight:800;letter-spacing:-.5px;margin-top:18px}
.hero p.sub{color:#c8d6f0;font-size:18px;margin:24px 0 36px;max-width:540px;line-height:1.85}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{display:flex;gap:30px;margin-top:46px;flex-wrap:wrap}
.hero-meta .m{display:flex;flex-direction:column}
.hero-meta .m b{color:#fff;font-size:22px;font-weight:800;letter-spacing:.5px}
.hero-meta .m span{color:#9bb4e6;font-size:13px;margin-top:2px}

/* hero dashboard */
.dash{background:linear-gradient(160deg,rgba(255,255,255,.14),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.18);border-radius:22px;padding:20px;backdrop-filter:blur(12px);box-shadow:var(--shadow-lg);transform:perspective(1600px) rotateY(-11deg) rotateX(4deg);transform-origin:right center}
.dash-bar{display:flex;align-items:center;gap:8px;padding:4px 4px 14px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:16px}
.dash-bar i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.3);display:block}
.dash-bar i:nth-child(1){background:#ff6b6b}.dash-bar i:nth-child(2){background:#ffd166}.dash-bar i:nth-child(3){background:#4ade80}
.dash-bar .t{margin-left:auto;font-size:12px;color:#c8d6f0;letter-spacing:1px}
.dash-body{display:grid;grid-template-columns:62px 1fr;gap:14px}
.dash-side{background:rgba(8,22,55,.45);border-radius:12px;padding:12px 8px;display:flex;flex-direction:column;gap:11px}
.dash-side b{height:7px;border-radius:4px;background:rgba(255,255,255,.22)}
.dash-side b.active{background:linear-gradient(90deg,var(--cyan),var(--bright))}
.dash-main{display:flex;flex-direction:column;gap:11px}
.kpi-row{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.kpi{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:13px 14px}
.kpi .lab{font-size:11px;color:#9bb4e6;letter-spacing:.5px}
.kpi .val{font-size:22px;font-weight:800;color:#fff;margin-top:3px}
.kpi .val span{font-size:12px;color:#5eead4;font-weight:600;margin-left:4px}
.kpi.wide{grid-column:1/3;background:rgba(255,255,255,.06)}
.chart{display:flex;align-items:flex-end;gap:9px;height:64px;margin-top:10px}
.chart span{flex:1;border-radius:5px 5px 0 0;background:linear-gradient(180deg,var(--cyan),var(--bright));opacity:.9}
.chart span:nth-child(even){background:linear-gradient(180deg,#93c5fd,#3b82f6);opacity:.7}

/* ---------- 内页 BANNER ---------- */
.banner{position:relative;padding:150px 0 64px;background:
    radial-gradient(700px 360px at 85% -20%,rgba(6,182,212,.25),transparent 60%),
    radial-gradient(700px 380px at 5% 0%,rgba(59,130,246,.3),transparent 55%),
    linear-gradient(155deg,#081b47 0%,#0c2461 50%,#13367f 100%);
  overflow:hidden}
.banner::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:48px 48px;mask-image:radial-gradient(ellipse 80% 60% at 50% 20%,#000 30%,transparent 75%);opacity:.5}
.banner .wrap{position:relative;z-index:2}
.banner .crumb{display:flex;gap:8px;align-items:center;color:#9bb4e6;font-size:13px;margin-bottom:18px}
.banner .crumb a:hover{color:#fff}
.banner .crumb span{opacity:.5}
.banner h1{color:#fff;font-size:44px;font-weight:800;letter-spacing:-.5px;line-height:1.2}
.banner p{color:#c8d6f0;font-size:17px;margin-top:14px;max-width:640px;line-height:1.8}

/* ---------- TRUST ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-soft)}
.trust .wrap{display:flex;align-items:center;gap:32px;padding:30px 28px;flex-wrap:wrap;justify-content:center}
.trust .lead{color:var(--muted);font-size:14px;font-weight:600;letter-spacing:.5px}
.trust .tags{display:flex;gap:10px;flex-wrap:wrap}
.trust .tags span{font-size:14px;color:var(--ink-2);background:#fff;border:1px solid var(--line);padding:7px 16px;border-radius:999px;font-weight:500}

/* ---------- SECTION ---------- */
section{padding:118px 0}
.sec-head{max-width:720px;margin:0 auto 64px;text-align:center}
.sec-head h2{font-size:38px;font-weight:800;margin:16px 0 16px;color:var(--navy);letter-spacing:-.5px;line-height:1.25}
.sec-head p{color:var(--muted);font-size:17px;line-height:1.8}
.bg-soft{background:var(--bg-soft)}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}

.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;transition:.3s var(--ease);position:relative;overflow:hidden}
.feat::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(59,130,246,.05),transparent 40%);opacity:0;transition:.3s}
.feat:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);border-color:rgba(59,130,246,.4)}
.feat:hover::before{opacity:1}
.feat .ic{width:50px;height:50px;border-radius:14px;background:var(--bg-tint);display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:.3s;color:var(--blue)}
.feat:hover .ic{background:linear-gradient(135deg,var(--bright),var(--blue));color:#fff}
.feat h3{font-size:18px;color:var(--navy);margin-bottom:9px;font-weight:700}
.feat p{font-size:14px;color:var(--muted);line-height:1.75}

.sol{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s var(--ease);position:relative}
.sol:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);border-color:transparent}
.sol .top{height:128px;background:linear-gradient(135deg,var(--blue),var(--navy));position:relative;display:flex;align-items:flex-end;padding:22px;color:#fff;overflow:hidden}
.sol .top::after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(255,255,255,.1);right:-50px;top:-60px}
.sol .top .tag{position:absolute;top:20px;left:22px;font-size:11px;letter-spacing:2px;color:#9bb4e6;font-weight:600}
.sol .top h4{font-size:21px;font-weight:800;position:relative;z-index:1}
.sol .body{padding:22px}
.sol .body ul{list-style:none;display:flex;flex-wrap:wrap;gap:9px}
.sol .body li{background:var(--bg-soft);color:var(--blue);font-size:13px;padding:6px 13px;border-radius:999px;font-weight:500}
.sol .body .desc{font-size:14px;color:var(--muted);line-height:1.8;margin:4px 0 16px}

/* why */
.why{background:linear-gradient(160deg,#0c2461,#102a63);color:#fff;position:relative;overflow:hidden}
.why::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse 70% 60% at 70% 20%,#000,transparent 70%)}
.why .grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;position:relative;z-index:2}
.why h2{font-size:38px;font-weight:800;margin:16px 0 22px;line-height:1.3}
.why .why-lead{color:#c8d6f0;font-size:17px;line-height:1.9;margin-bottom:30px}
.why-list{list-style:none;display:flex;flex-direction:column;gap:18px}
.why-list li{display:flex;gap:14px;align-items:flex-start}
.why-list .ck{width:26px;height:26px;border-radius:50%;background:rgba(94,234,212,.16);color:#5eead4;display:flex;align-items:center;justify-content:center;flex:none;font-size:14px;margin-top:2px}
.why-list b{color:#fff;font-weight:700;font-size:16px}
.why-list p{color:#aab8d8;font-size:14px;margin-top:2px}
.why-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:34px;backdrop-filter:blur(8px)}
.why-card .big{font-size:46px;font-weight:800;background:linear-gradient(90deg,#5eead4,#93c5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.why-card .row{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.why-card .row:last-child{border-bottom:none}
.why-card .row b{font-size:17px}
.why-card .row span{color:#5eead4;font-size:14px;font-weight:600}

/* about */
.about .grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about h2{font-size:38px;font-weight:800;color:var(--navy);margin:16px 0 22px;line-height:1.3}
.about p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:18px}
.about .vals{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}
.about .val{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff;transition:.25s}
.about .val:hover{box-shadow:var(--shadow-sm);border-color:rgba(59,130,246,.3)}
.about .val .n{font-size:14px;font-weight:700;color:var(--blue);margin-bottom:6px;letter-spacing:.5px}
.about .val .d{font-size:13px;color:var(--muted);line-height:1.7}
.about-visual{position:relative;background:linear-gradient(160deg,#0c2461,#1e50a2);border-radius:24px;padding:40px;color:#fff;overflow:hidden;box-shadow:var(--shadow-lg);min-height:380px;display:flex;flex-direction:column;justify-content:center}
.about-visual .q{font-size:30px;font-weight:800;line-height:1.5;margin-bottom:20px}
.about-visual .q .hl{font-size:34px}
.about-visual .who{display:flex;align-items:center;gap:12px;margin-top:10px;padding-top:22px;border-top:1px solid rgba(255,255,255,.15)}
.about-visual .who .av{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.about-visual .who b{font-size:15px}
.about-visual .who span{display:block;font-size:13px;color:#9bb4e6}

/* 关于页 · 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 24px;text-align:center;transition:.3s var(--ease)}
.stat:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(59,130,246,.35)}
.stat .n{font-size:40px;font-weight:800;background:linear-gradient(135deg,var(--bright),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat .l{color:var(--muted);font-size:14px;margin-top:10px}

/* 关于页 · 服务流程时间线 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.flow .step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 22px 24px}
.flow .step .num{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--bright),var(--blue));color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.flow .step h4{font-size:17px;color:var(--navy);margin-bottom:8px}
.flow .step p{font-size:13px;color:var(--muted);line-height:1.7}
.flow .step:not(:last-child)::after{content:"";position:absolute;top:48px;right:-14px;width:14px;height:2px;background:linear-gradient(90deg,var(--cyan),var(--bright));opacity:.5}

/* 关于页 · 资质 */
.certs{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:8px}
.cert{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 22px;box-shadow:var(--shadow-sm)}
.cert .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--bright))}
.cert b{font-size:15px;color:var(--navy)}
.cert span{font-size:13px;color:var(--muted)}

/* 解决方案详情卡 */
.sol-detail{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s var(--ease)}
.sol-detail:hover{box-shadow:var(--shadow-md);border-color:rgba(59,130,246,.35)}
.sol-detail .side{background:linear-gradient(160deg,var(--blue),var(--navy));color:#fff;padding:40px 34px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.sol-detail .side::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.08);right:-60px;bottom:-70px}
.sol-detail .side .tag{font-size:11px;letter-spacing:2px;color:#9bb4e6;font-weight:600}
.sol-detail .side h3{font-size:26px;font-weight:800;margin:12px 0 14px;position:relative;z-index:1}
.sol-detail .side p{color:#c8d6f0;font-size:14px;line-height:1.85;position:relative;z-index:1}
.sol-detail .main{padding:36px 34px}
.sol-detail .main h4{font-size:15px;color:var(--blue);margin-bottom:14px;font-weight:700;letter-spacing:.5px}
.sol-detail .main ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sol-detail .main li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--ink-2);line-height:1.6}
.sol-detail .main li .ck{color:var(--cyan);font-weight:800;flex:none}

/* cta */
.cta-box{background:linear-gradient(135deg,#1e50a2,#0c2461);border-radius:28px;padding:64px 56px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-box::before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.35),transparent 60%);left:-80px;top:-120px}
.cta-box::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,.3),transparent 60%);right:-60px;bottom:-120px}
.cta-box h2{font-size:34px;font-weight:800;margin-bottom:16px;position:relative;z-index:1}
.cta-box p{color:rgba(255,255,255,.88);margin-bottom:32px;font-size:17px;position:relative;z-index:1}
.cta-box .hero-btns{justify-content:center;position:relative;z-index:1}

/* footer */
footer{background:#07163a;color:#9fb0d0;padding:64px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-logo{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.foot-logo .mark{width:42px;height:42px}
.foot-logo .name{color:#fff;font-size:20px;font-weight:800}
footer p.desc{font-size:14px;line-height:1.8;max-width:300px;color:#8295b8}
footer h5{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
footer ul{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px}
footer ul a:hover{color:#fff}
footer .contact li{display:flex;gap:10px;align-items:center;color:#a9b8d6;font-size:14px}
footer .contact .ic{width:18px;height:18px;color:var(--cyan);flex:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:46px;padding-top:24px;display:flex;justify-content:space-between;font-size:13px;flex-wrap:wrap;gap:10px;color:#6b7fa6}

/* ---------- 联系我们 ---------- */
.contact-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.contact-info{background:linear-gradient(160deg,#0c2461,#1e50a2);border-radius:24px;padding:42px 38px;color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.contact-info::after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.28),transparent 60%);right:-70px;bottom:-90px}
.contact-info h3{font-size:22px;font-weight:800;margin-bottom:8px;position:relative;z-index:1}
.contact-info .tip{color:#c8d6f0;font-size:14px;line-height:1.8;margin-bottom:26px;position:relative;z-index:1}
.ci-row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-top:1px solid rgba(255,255,255,.12);position:relative;z-index:1}
.ci-row .ic{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#5eead4;flex:none}
.ci-row b{font-size:15px;display:block;margin-bottom:2px}
.ci-row span{font-size:13px;color:#aab8d8;line-height:1.6}
.ci-row a{color:#fff}
.ci-row a:hover{color:#5eead4}

.form-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:38px;box-shadow:var(--shadow-md)}
.form-card h3{font-size:22px;color:var(--navy);font-weight:800;margin-bottom:6px}
.form-card .sub{color:var(--muted);font-size:14px;margin-bottom:26px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field label .req{color:#ef4444;margin-left:2px}
.field input,.field textarea,.field select{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:11px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff;transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--bright);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.field textarea{resize:vertical;min-height:120px}
.field .err{color:#ef4444;font-size:12px;margin-top:6px;display:none}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:#ef4444}
.field.invalid .err{display:block}
.form-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:6px}
.form-note code{background:#eef2ff;color:#1e50a2;padding:1px 6px;border-radius:5px;font-size:11px}
.form-success{display:none;background:#ecfdf5;border:1px solid #a7f3d0;color:#047857;border-radius:14px;padding:18px 20px;font-size:14px;line-height:1.7;margin-top:18px}
.form-success.show{display:block}
.form-error{display:none;background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;border-radius:14px;padding:18px 20px;font-size:14px;line-height:1.7;margin-top:18px}
.form-error.show{display:block}

/* map placeholder */
.map{margin-top:40px;border-radius:24px;overflow:hidden;border:1px solid var(--line);height:340px;background:linear-gradient(135deg,#eef3fb,#e2eaf6);position:relative;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.map .pin{text-align:center}
.map .pin .ic{width:54px;height:54px;border-radius:50%;background:#fff;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;color:var(--blue);margin:0 auto 12px}
.map .pin b{color:var(--navy);font-size:16px}
.map .pin span{font-size:13px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:44px}.dash{transform:none}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .why .grid,.about .grid,.contact-wrap{grid-template-columns:1fr;gap:40px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr 1fr}
  .sol-detail{grid-template-columns:1fr}
  .sol-detail .side{min-height:160px}
  nav ul,.nav-cta .btn-outline{display:none}
  .menu-btn{display:block}
  .hero h1{font-size:40px}
  .about .vals{grid-template-columns:1fr}
  .banner h1{font-size:34px}
}
@media(max-width:560px){
  .grid-4,.stats,.flow{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-box{padding:40px 22px}
  section{padding:80px 0}
  .hero{padding:150px 0 90px}
  .banner{padding:128px 0 48px}
  .sol-detail .main ul{grid-template-columns:1fr}
  .form-card,.contact-info{padding:28px 22px}
}
.mobile-menu{display:none;background:rgba(12,36,97,.97);padding:18px 28px;backdrop-filter:blur(10px)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;color:#fff;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:16px}
.mobile-menu a.active{color:#5eead4}