/* ========= Reset & Base ========= */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Microsoft YaHei","PingFang SC","Source Han Sans CN","Segoe UI",sans-serif;
  color:#1a2540;
  background:#fff;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

:root{
  --navy:#0F2B4E;
  --navy-dark:#0a1d36;
  --navy-light:#1a3e6e;
  --gold:#D4AF37;
  --gold-light:#e7c75a;
  --gray-50:#f7f9fc;
  --gray-100:#eef2f7;
  --gray-200:#d9e0ea;
  --gray-500:#6b7a90;
  --gray-700:#3a4a66;
  --text:#1a2540;
  --shadow-sm:0 2px 8px rgba(15,43,78,.06);
  --shadow-md:0 8px 24px rgba(15,43,78,.10);
  --shadow-lg:0 20px 50px rgba(15,43,78,.15);
}

.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* ========= Top Bar ========= */
.topbar{
  background:var(--navy-dark);
  color:#c8d3e3;
  font-size:13px;
  padding:8px 0;
  border-bottom:1px solid rgba(212,175,55,.15);
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.topbar .info span{margin-right:18px;opacity:.85}
.topbar .info i{color:var(--gold);margin-right:6px}

/* ========= Header / Nav ========= */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--gray-100);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:42px;height:42px;border-radius:10px;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(15,43,78,.25);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:3px;border-radius:8px;
  border:1px solid rgba(212,175,55,.55);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text .cn{font-size:18px;font-weight:700;color:var(--navy);letter-spacing:.5px}
.logo-text .en{font-size:11px;color:var(--gray-500);letter-spacing:2px;margin-top:2px}

.menu{display:flex;align-items:center;gap:4px}
.menu a{
  padding:10px 18px;font-size:15px;color:var(--gray-700);
  border-radius:6px;transition:all .25s;font-weight:500;
  position:relative;
}
.menu a:hover{color:var(--navy)}
.menu a.active{color:var(--navy);font-weight:600}
.menu a.active::after{
  content:"";position:absolute;left:50%;bottom:-22px;
  width:24px;height:3px;background:var(--gold);
  transform:translateX(-50%);border-radius:2px;
}
.cta-btn{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);
  color:var(--navy);padding:10px 22px;border-radius:6px;
  font-weight:600;font-size:14px;margin-left:12px;
  box-shadow:0 4px 12px rgba(212,175,55,.35);
  transition:transform .2s,box-shadow .2s;
}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(212,175,55,.45)}

.menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.menu-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px}

/* ========= Hero ========= */
.hero{
  position:relative;
  background:
    linear-gradient(135deg,rgba(10,29,54,.92) 0%,rgba(15,43,78,.85) 60%,rgba(26,62,110,.80) 100%),
    url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1920&q=80") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 80% 20%,rgba(212,175,55,.18) 0%,transparent 50%);
  pointer-events:none;
}
.hero-grid{
  position:absolute;inset:0;opacity:.18;
  background-image:
    linear-gradient(rgba(212,175,55,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(212,175,55,.5) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 80%);
}
.hero-inner{
  position:relative;z-index:2;
  padding:110px 0 130px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 16px;border-radius:30px;
  background:rgba(212,175,55,.12);
  border:1px solid rgba(212,175,55,.4);
  font-size:13px;color:var(--gold-light);letter-spacing:1px;
  margin-bottom:24px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;background:var(--gold);border-radius:50%;box-shadow:0 0 10px var(--gold)}
.hero h1{
  font-size:46px;line-height:1.25;font-weight:700;
  margin-bottom:14px;letter-spacing:.5px;
}
.hero h1 .gold{
  background:linear-gradient(90deg,var(--gold) 0%,var(--gold-light) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .tagline{font-size:22px;font-weight:500;color:#e8eef7;margin-bottom:18px}
.hero p.sub{font-size:16px;color:#b8c5d8;margin-bottom:36px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:6px;
  font-size:15px;font-weight:600;letter-spacing:.5px;
  transition:transform .2s,box-shadow .25s,background .25s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);
  color:var(--navy);
  box-shadow:0 8px 20px rgba(212,175,55,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(212,175,55,.5)}
.btn-outline{
  border:1.5px solid rgba(255,255,255,.4);color:#fff;
}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-light);background:rgba(212,175,55,.06)}
.btn-arrow{transition:transform .25s}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* Hero visual card */
.hero-visual{
  position:relative;
  padding:24px;
  border-radius:16px;
  background:linear-gradient(135deg,rgba(255,255,255,.06) 0%,rgba(212,175,55,.06) 100%);
  border:1px solid rgba(212,175,55,.25);
  backdrop-filter:blur(8px);
  box-shadow:0 30px 80px rgba(0,0,0,.4);
}
.hero-visual img{border-radius:10px;width:100%;height:auto}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:20px;gap:14px;
}
.hero-stat{
  text-align:center;padding:12px 6px;
  background:rgba(15,43,78,.45);border-radius:8px;
  border:1px solid rgba(212,175,55,.15);
}
.hero-stat .num{font-size:24px;font-weight:700;color:var(--gold-light);letter-spacing:.5px}
.hero-stat .label{font-size:12px;color:#a8b6cc;margin-top:4px}

/* Wave divider */
.wave-divider{
  position:absolute;bottom:-1px;left:0;right:0;line-height:0;
}
.wave-divider svg{width:100%;height:60px;display:block}

/* ========= Section Common ========= */
section{padding:90px 0;position:relative}
.section-head{text-align:center;margin-bottom:56px}
.section-eyebrow{
  display:inline-block;color:var(--gold);font-size:13px;
  letter-spacing:3px;font-weight:600;margin-bottom:12px;
  position:relative;padding:0 28px;
}
.section-eyebrow::before,.section-eyebrow::after{
  content:"";position:absolute;top:50%;width:20px;height:1px;
  background:var(--gold);
}
.section-eyebrow::before{left:0}
.section-eyebrow::after{right:0}
.section-title{
  font-size:36px;font-weight:700;color:var(--navy);
  margin-bottom:14px;letter-spacing:.5px;
}
.section-sub{color:var(--gray-500);font-size:16px;max-width:680px;margin:0 auto}

/* ========= Intro / About brief ========= */
.intro{background:var(--gray-50)}
.intro-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.intro-img{
  position:relative;border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.intro-img img{width:100%;height:440px;object-fit:cover;transition:transform .8s}
.intro-img:hover img{transform:scale(1.05)}
.intro-img::after{
  content:"";position:absolute;left:-20px;bottom:-20px;
  width:140px;height:140px;border:3px solid var(--gold);
  border-radius:14px;z-index:-1;
}
.intro-content h2{font-size:32px;color:var(--navy);margin-bottom:18px;line-height:1.3}
.intro-content .lead{color:var(--gray-700);font-size:16px;margin-bottom:24px}
.intro-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin-bottom:30px}
.intro-list li{
  display:flex;align-items:flex-start;gap:10px;
  color:var(--gray-700);font-size:15px;
}
.intro-list li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:4px;
  background:var(--gold);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/contain no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/contain no-repeat;
}

/* ========= Services / Cards ========= */
.services{background:#fff}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  position:relative;
  background:#fff;border-radius:14px;padding:36px 32px;
  border:1px solid var(--gray-100);
  transition:transform .35s,box-shadow .35s,border-color .35s;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--navy) 0%,var(--gold) 100%);
  transform:scaleX(0);transform-origin:left;
  transition:transform .4s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card-icon{
  width:60px;height:60px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;
  box-shadow:0 8px 20px rgba(15,43,78,.18);
}
.card-icon svg{width:30px;height:30px;color:var(--gold)}
.card h3{font-size:21px;color:var(--navy);margin-bottom:14px}
.card ul li{
  position:relative;padding-left:22px;color:var(--gray-700);
  font-size:14.5px;line-height:1.9;
}
.card ul li::before{
  content:"";position:absolute;left:0;top:13px;
  width:8px;height:8px;background:var(--gold);
  transform:rotate(45deg);
}

/* ========= Advantages ========= */
.advantages{
  background:
    linear-gradient(135deg,rgba(10,29,54,.95) 0%,rgba(15,43,78,.92) 100%),
    url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1920&q=80") center/cover fixed no-repeat;
  color:#fff;
}
.advantages .section-title{color:#fff}
.advantages .section-sub{color:#b8c5d8}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv-item{
  padding:32px 26px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(212,175,55,.18);
  border-radius:12px;
  transition:all .35s;
  display:flex;gap:20px;align-items:flex-start;
}
.adv-item:hover{background:rgba(212,175,55,.08);border-color:rgba(212,175,55,.5);transform:translateY(-4px)}
.adv-num{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);
  color:var(--navy);font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.adv-item h4{font-size:18px;margin-bottom:8px;color:var(--gold-light)}
.adv-item p{color:#c8d3e3;font-size:14px;line-height:1.7}

/* ========= Solutions ========= */
.solutions{background:var(--gray-50)}
.sol-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.sol-card{
  position:relative;border-radius:12px;overflow:hidden;
  height:340px;cursor:pointer;
  transition:transform .4s;
}
.sol-card:hover{transform:translateY(-6px)}
.sol-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.sol-card:hover img{transform:scale(1.1)}
.sol-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,29,54,.95) 0%,rgba(10,29,54,.55) 50%,rgba(10,29,54,.15) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px 20px;color:#fff;
}
.sol-overlay h4{font-size:18px;margin-bottom:10px;color:#fff}
.sol-overlay p{font-size:13px;color:#c8d3e3;line-height:1.7;
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .4s,opacity .4s,margin .4s;
}
.sol-card:hover .sol-overlay p{max-height:120px;opacity:1;margin-top:4px}
.sol-overlay::before{
  content:"";display:block;width:30px;height:3px;background:var(--gold);margin-bottom:14px;
}

/* ========= Cases ========= */
.cases{background:#fff}
.cases-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.case-item{
  border-radius:12px;overflow:hidden;
  background:#fff;border:1px solid var(--gray-100);
  transition:all .35s;
}
.case-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.case-img{height:180px;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-item:hover .case-img img{transform:scale(1.08)}
.case-body{padding:22px 20px}
.case-tag{
  display:inline-block;font-size:12px;color:var(--gold);
  letter-spacing:1px;margin-bottom:8px;font-weight:600;
}
.case-body h4{color:var(--navy);font-size:17px;line-height:1.5;margin-bottom:10px}
.case-body p{font-size:13.5px;color:var(--gray-500);line-height:1.7}

.logo-wall{
  margin-top:54px;padding:36px 0;
  border-top:1px solid var(--gray-100);
  border-bottom:1px solid var(--gray-100);
  display:grid;grid-template-columns:repeat(6,1fr);gap:30px;align-items:center;
}
.logo-wall .lw-item{
  height:46px;display:flex;align-items:center;justify-content:center;
  color:var(--gray-500);font-weight:600;letter-spacing:1px;
  font-size:14px;opacity:.7;transition:opacity .3s,color .3s;
  border:1px dashed var(--gray-200);border-radius:6px;
}
.logo-wall .lw-item:hover{opacity:1;color:var(--navy)}

/* ========= CTA Banner ========= */
.cta-banner{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);
  color:#fff;text-align:center;padding:70px 0;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:
    linear-gradient(rgba(212,175,55,.6) 1px,transparent 1px),
    linear-gradient(90deg,rgba(212,175,55,.6) 1px,transparent 1px);
  background-size:50px 50px;
}
.cta-banner .container{position:relative}
.cta-banner h2{font-size:32px;margin-bottom:14px;color:#fff}
.cta-banner p{color:#c8d3e3;margin-bottom:28px;font-size:16px}

/* ========= Footer ========= */
footer{
  background:var(--navy-dark);color:#a8b6cc;
  padding:64px 0 0;font-size:14px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:50px;padding-bottom:48px}
.foot-col h5{
  color:#fff;font-size:16px;margin-bottom:20px;font-weight:600;
  position:relative;padding-bottom:12px;
}
.foot-col h5::after{
  content:"";position:absolute;left:0;bottom:0;
  width:28px;height:2px;background:var(--gold);
}
.foot-col p,.foot-col li{margin-bottom:10px;line-height:1.8;color:#a8b6cc}
.foot-col a{color:#a8b6cc;transition:color .25s}
.foot-col a:hover{color:var(--gold-light)}
.foot-brand .logo-text .cn{color:#fff}
.foot-brand .logo-text .en{color:#7d8aa3}
.foot-brand p.desc{margin-top:18px;line-height:1.8;color:#a8b6cc;font-size:14px}
.foot-contact li{display:flex;align-items:flex-start;gap:10px}
.foot-contact li i{color:var(--gold);margin-top:5px;flex-shrink:0}

.foot-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:20px 0;text-align:center;color:#7d8aa3;font-size:13px;
}
.foot-bottom a{color:#a8b6cc}

/* ========= Page Header (inner pages) ========= */
.page-header{
  position:relative;
  background:
    linear-gradient(135deg,rgba(10,29,54,.88) 0%,rgba(15,43,78,.82) 100%),
    url("https://images.unsplash.com/photo-1573164713988-8665fc963095?auto=format&fit=crop&w=1920&q=80") center/cover no-repeat;
  color:#fff;padding:90px 0 80px;text-align:center;
}
.page-header h1{font-size:40px;letter-spacing:1px;margin-bottom:14px}
.page-header p{color:#c8d3e3;font-size:16px;max-width:680px;margin:0 auto}
.breadcrumb{
  display:flex;justify-content:center;gap:8px;margin-top:22px;
  font-size:13px;color:#a8b6cc;
}
.breadcrumb a:hover{color:var(--gold-light)}
.breadcrumb span{color:var(--gold-light)}

/* ========= Products page ========= */
.product-block{padding:80px 0;border-bottom:1px solid var(--gray-100)}
.product-block:nth-child(even){background:var(--gray-50)}
.product-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.product-row.reverse .product-text{order:2}
.product-img{border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.product-img img{width:100%;height:380px;object-fit:cover}
.product-text .small-tag{
  color:var(--gold);font-weight:600;font-size:13px;letter-spacing:2px;margin-bottom:12px;
}
.product-text h2{font-size:30px;color:var(--navy);margin-bottom:18px;line-height:1.3}
.product-text p.lead{color:var(--gray-700);font-size:16px;margin-bottom:22px}
.feat-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;margin-bottom:26px}
.feat-list li{
  display:flex;gap:10px;align-items:flex-start;
  color:var(--gray-700);font-size:14.5px;
}
.feat-list li::before{
  content:"";flex-shrink:0;width:8px;height:8px;
  background:var(--gold);transform:rotate(45deg);margin-top:7px;
}

/* ========= Solutions page ========= */
.sol-row{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;
  align-items:center;padding:60px 0;
  border-bottom:1px solid var(--gray-100);
}
.sol-row:nth-child(even) .sol-img{order:2}
.sol-row .sol-img{border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md)}
.sol-row .sol-img img{width:100%;height:340px;object-fit:cover}
.sol-row h3{font-size:26px;color:var(--navy);margin-bottom:16px}
.sol-row .feat-list{grid-template-columns:1fr 1fr}

/* ========= About page ========= */
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:40px}
.mission-box{
  padding:36px 32px;border-radius:12px;
  background:#fff;border:1px solid var(--gray-100);
  position:relative;overflow:hidden;
}
.mission-box::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--navy),var(--gold));
}
.mission-box .icon{
  width:54px;height:54px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy),var(--navy-light));
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.mission-box .icon svg{width:26px;height:26px;color:var(--gold)}
.mission-box h4{font-size:20px;color:var(--navy);margin-bottom:10px}
.mission-box p{color:var(--gray-700);line-height:1.8}

.scope-list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px 30px;
  margin-top:24px;
}
.scope-list li{
  padding:14px 18px;background:#fff;border-radius:8px;
  border-left:3px solid var(--gold);
  color:var(--gray-700);font-size:15px;box-shadow:var(--shadow-sm);
}

/* ========= Contact page ========= */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:flex-start}
.contact-info{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);
  color:#fff;border-radius:14px;padding:40px 36px;
  position:relative;overflow:hidden;
}
.contact-info::before{
  content:"";position:absolute;right:-50px;top:-50px;
  width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(212,175,55,.25) 0%,transparent 70%);
}
.contact-info h3{color:#fff;font-size:24px;margin-bottom:8px}
.contact-info .sub{color:#b8c5d8;font-size:14px;margin-bottom:30px}
.contact-info ul li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.1);
}
.contact-info ul li:last-child{border-bottom:none}
.ci-icon{
  flex-shrink:0;width:38px;height:38px;border-radius:8px;
  background:rgba(212,175,55,.15);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);
}
.ci-icon svg{width:18px;height:18px}
.ci-meta .label{font-size:12px;color:#a8b6cc;letter-spacing:1px;margin-bottom:2px}
.ci-meta .val{font-size:15px;color:#fff;line-height:1.6}

.contact-form{
  background:#fff;border-radius:14px;padding:40px 36px;
  box-shadow:var(--shadow-md);border:1px solid var(--gray-100);
}
.contact-form h3{color:var(--navy);font-size:24px;margin-bottom:8px}
.contact-form .sub{color:var(--gray-500);font-size:14px;margin-bottom:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form-group{margin-bottom:18px}
.form-group label{
  display:block;font-size:13px;color:var(--gray-700);
  margin-bottom:8px;font-weight:500;
}
.form-group label .req{color:#d04545;margin-left:2px}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 14px;
  border:1px solid var(--gray-200);border-radius:6px;
  font-size:14px;font-family:inherit;color:var(--text);
  background:#fff;transition:border-color .25s,box-shadow .25s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(212,175,55,.15);
}
.form-group textarea{resize:vertical;min-height:120px}
.form-submit{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);
  color:#fff;padding:14px 36px;border-radius:6px;
  font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(15,43,78,.25);
  transition:transform .2s,box-shadow .25s;
}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(15,43,78,.35)}

.map-wrap{
  margin-top:60px;border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-md);height:380px;
  background:var(--gray-100);
  position:relative;
  display:flex;align-items:center;justify-content:center;
  color:var(--gray-500);
  background-image:
    linear-gradient(135deg,rgba(15,43,78,.04) 0%,rgba(212,175,55,.04) 100%),
    url("https://images.unsplash.com/photo-1524661135-423995f22d0b?auto=format&fit=crop&w=1920&q=80");
  background-size:cover;background-position:center;
}
.map-wrap .pin{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-100%);
  width:54px;height:54px;border-radius:50% 50% 50% 0;
  background:var(--gold);transform-origin:bottom;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(0,0,0,.3);
  animation:bounce 2s infinite ease-in-out;
}
.map-wrap .pin::before{
  content:"";width:18px;height:18px;background:#fff;border-radius:50%;
}
.map-wrap .pin-shadow{
  position:absolute;top:50%;left:50%;transform:translateX(-50%);
  width:40px;height:8px;background:rgba(0,0,0,.3);
  border-radius:50%;filter:blur(3px);
  margin-top:6px;animation:shadow 2s infinite ease-in-out;
}
@keyframes bounce{
  0%,100%{transform:translate(-50%,-100%) rotate(-45deg)}
  50%{transform:translate(-50%,-115%) rotate(-45deg)}
}
@keyframes shadow{
  0%,100%{width:40px;opacity:.3}
  50%{width:30px;opacity:.15}
}
.map-label{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  background:#fff;padding:10px 18px;border-radius:6px;
  box-shadow:0 6px 16px rgba(0,0,0,.15);
  font-size:14px;color:var(--navy);font-weight:500;
}
.map-label strong{color:var(--gold);margin-right:6px}

/* ========= Responsive ========= */
@media (max-width:1024px){
  .hero h1{font-size:36px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:80px 0 100px}
  .intro-grid{grid-template-columns:1fr;gap:40px}
  .intro-img img{height:320px}
  .cards-3{grid-template-columns:1fr 1fr}
  .adv-grid{grid-template-columns:1fr 1fr}
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .cases-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .product-row,.product-row.reverse .product-text,.sol-row,.sol-row:nth-child(even) .sol-img{
    grid-template-columns:1fr;order:initial;
  }
  .mission-grid,.contact-grid{grid-template-columns:1fr}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:720px){
  .menu{
    display:none;position:absolute;top:74px;left:0;right:0;
    flex-direction:column;background:#fff;padding:20px;
    border-bottom:1px solid var(--gray-100);align-items:stretch;
    box-shadow:var(--shadow-md);
  }
  .menu.open{display:flex}
  .menu a.active::after{display:none}
  .menu-toggle{display:flex}
  .cta-btn{margin-left:0;margin-top:8px;text-align:center}
  section{padding:60px 0}
  .section-title{font-size:28px}
  .hero h1{font-size:30px}
  .hero .tagline{font-size:18px}
  .cards-3,.adv-grid,.sol-grid,.cases-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:34px}
  .scope-list{grid-template-columns:1fr}
  .feat-list,.intro-list{grid-template-columns:1fr}
  .topbar .info span{display:block;margin:2px 0}
  .topbar .container{flex-direction:column;align-items:flex-start;gap:4px}
}

/* Fade-in on load */
.fade-up{opacity:0;transform:translateY(20px);transition:opacity .8s,transform .8s}
.fade-up.in{opacity:1;transform:translateY(0)}