/* ===== Reset & Base ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#0a1628;
  --navy-light:#132241;
  --blue:#1a3a6b;
  --blue-accent:#2563eb;
  --slate:#475569;
  --slate-light:#94a3b8;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --white:#ffffff;
  --gold:#c9a84c;
  --font-heading:'Inter',system-ui,-apple-system,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--slate);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1140px;margin:0 auto;padding:0 24px}

/* ===== Typography ===== */
h1,h2,h3,h4{font-family:var(--font-heading);color:var(--navy);line-height:1.25}
h1{font-size:clamp(2.25rem,5vw,3.75rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600}
p{max-width:680px}
.section-label{text-transform:uppercase;font-size:.8rem;letter-spacing:.15em;color:var(--blue-accent);font-weight:600;margin-bottom:.5rem}
.section-title{margin-bottom:1rem}
.section-intro{color:var(--slate);font-size:1.05rem;margin-bottom:3rem;max-width:620px}

/* ===== Navigation ===== */
.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:background .3s,box-shadow .3s}
.nav.scrolled{background:rgba(10,22,40,.97);box-shadow:0 2px 20px rgba(0,0,0,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:1.15rem;font-weight:700;color:var(--white);letter-spacing:.02em;display:flex;align-items:center;gap:10px}
.logo-icon{width:36px;height:36px;border:2px solid var(--gold);border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;color:var(--gold)}
.nav-links{display:flex;gap:32px}
.nav-links a{color:rgba(255,255,255,.8);font-size:.875rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--white)}
.nav-cta{background:var(--blue-accent);color:var(--white)!important;padding:8px 20px;border-radius:6px;font-size:.85rem;font-weight:600;transition:background .2s}
.nav-cta:hover{background:#1d4ed8}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.mobile-toggle span{display:block;width:22px;height:2px;background:var(--white);border-radius:2px;transition:transform .3s,opacity .3s}

/* ===== Hero ===== */
.hero{background:linear-gradient(165deg,var(--navy) 0%,var(--navy-light) 40%,var(--blue) 100%);min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(37,99,235,.12) 0%,transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(201,168,76,.06) 0%,transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:1;padding:120px 0 80px}
.hero-label{display:inline-block;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:100px;padding:6px 18px;font-size:.8rem;color:rgba(255,255,255,.7);letter-spacing:.08em;text-transform:uppercase;margin-bottom:28px;backdrop-filter:blur(4px)}
.hero h1{color:var(--white);max-width:720px;margin-bottom:24px}
.hero h1 span{color:var(--gold)}
.hero-sub{color:rgba(255,255,255,.65);font-size:1.15rem;max-width:560px;margin-bottom:40px;line-height:1.8}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:8px;font-size:.9rem;font-weight:600;transition:all .25s;cursor:pointer;border:none}
.btn-primary{background:var(--blue-accent);color:var(--white)}
.btn-primary:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 8px 24px rgba(37,99,235,.3)}
.btn-outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.25)}
.btn-outline:hover{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.05)}
.hero-stats{display:flex;gap:48px;margin-top:64px;padding-top:40px;border-top:1px solid rgba(255,255,255,.08)}
.hero-stat h3{font-size:2rem;color:var(--white);font-weight:700}
.hero-stat p{font-size:.85rem;color:rgba(255,255,255,.5);margin-top:4px}

/* ===== About ===== */
.about{padding:120px 0;background:var(--white)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.about-text p{margin-bottom:20px;font-size:1.02rem;color:var(--slate)}
.about-cards{display:flex;flex-direction:column;gap:20px}
.about-card{background:var(--gray-100);border-radius:12px;padding:28px 24px;border-left:3px solid var(--blue-accent)}
.about-card h3{margin-bottom:8px;font-size:1.05rem}
.about-card p{font-size:.92rem;color:var(--slate)}

/* ===== Portfolio ===== */
.portfolio{padding:120px 0;background:var(--gray-100)}
.portfolio-header{text-align:center;margin-bottom:60px}
.portfolio-header .section-intro{margin-left:auto;margin-right:auto}
.industries{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:64px}
.industry-card{background:var(--white);border-radius:12px;padding:32px 28px;text-align:center;transition:transform .25s,box-shadow .25s;border:1px solid var(--gray-200)}
.industry-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.06)}
.industry-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--navy),var(--blue));border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.4rem}
.industry-card h3{margin-bottom:8px;font-size:1.05rem}
.industry-card p{font-size:.88rem;color:var(--slate-light)}
.subsidiaries-title{text-align:center;margin-bottom:40px}
.subsidiaries{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.subsidiary{background:var(--white);border-radius:12px;padding:32px;border:1px solid var(--gray-200);transition:box-shadow .25s}
.subsidiary:hover{box-shadow:0 8px 24px rgba(0,0,0,.06)}
.subsidiary-tag{display:inline-block;background:rgba(37,99,235,.08);color:var(--blue-accent);font-size:.75rem;font-weight:600;padding:4px 12px;border-radius:100px;margin-bottom:14px;text-transform:uppercase;letter-spacing:.05em}
.subsidiary h3{margin-bottom:8px}
.subsidiary p{font-size:.92rem;color:var(--slate)}

/* ===== Philosophy ===== */
.philosophy{padding:120px 0;background:var(--white)}
.philosophy-header{text-align:center;margin-bottom:60px}
.philosophy-header .section-intro{margin-left:auto;margin-right:auto}
.criteria-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;margin-bottom:56px}
.criteria-card{padding:32px 28px;border-radius:12px;background:var(--gray-100);position:relative;overflow:hidden}
.criteria-card::before{content:attr(data-num);position:absolute;top:16px;right:20px;font-size:3.5rem;font-weight:800;color:rgba(10,22,40,.04);line-height:1}
.criteria-card h3{margin-bottom:10px;color:var(--navy)}
.criteria-card p{font-size:.92rem;color:var(--slate)}
.founder-section{background:var(--navy);border-radius:16px;padding:48px;color:var(--white)}
.founder-section h3{color:var(--white);font-size:1.35rem;margin-bottom:20px}
.founder-traits{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.trait{display:flex;align-items:center;gap:12px;padding:14px 18px;background:rgba(255,255,255,.06);border-radius:8px;border:1px solid rgba(255,255,255,.08);font-size:.92rem;color:rgba(255,255,255,.85)}
.trait-icon{width:32px;height:32px;border-radius:8px;background:rgba(37,99,235,.3);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.9rem}

/* ===== Contact ===== */
.contact{padding:120px 0;background:var(--gray-100)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-info h2{margin-bottom:16px}
.contact-info>p{margin-bottom:36px;font-size:1.02rem}
.contact-detail{display:flex;align-items:start;gap:16px;margin-bottom:24px}
.contact-detail-icon{width:44px;height:44px;border-radius:10px;background:var(--navy);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem}
.contact-detail h4{font-size:.92rem;color:var(--slate-light);font-weight:500;margin-bottom:2px}
.contact-detail p,.contact-detail a{font-size:1rem;color:var(--navy);font-weight:600}
.contact-detail a:hover{color:var(--blue-accent)}
.contact-form{background:var(--white);border-radius:16px;padding:40px;box-shadow:0 4px 24px rgba(0,0,0,.05);border:1px solid var(--gray-200)}
.contact-form h3{margin-bottom:24px;font-size:1.2rem}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1.5px solid var(--gray-200);border-radius:8px;font-size:.92rem;font-family:inherit;transition:border-color .2s;background:var(--white);color:var(--navy)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--blue-accent)}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.btn-submit{width:100%;justify-content:center;padding:14px;font-size:.95rem;margin-top:4px}

/* ===== Footer ===== */
.footer{background:var(--navy);padding:64px 0 32px;color:rgba(255,255,255,.6)}
.footer-inner{display:flex;justify-content:space-between;align-items:start;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);flex-wrap:wrap}
.footer-brand p{max-width:320px;font-size:.9rem;margin-top:14px;line-height:1.7}
.footer-links h4{color:var(--white);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px}
.footer-links a{display:block;font-size:.9rem;margin-bottom:10px;transition:color .2s}
.footer-links a:hover{color:var(--white)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:.82rem;flex-wrap:wrap;gap:8px}

/* ===== Animations ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== Mobile ===== */
@media(max-width:900px){
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .hero-stats{gap:28px;flex-wrap:wrap}
  .form-row{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:32px}
}
@media(max-width:700px){
  .nav-links{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--navy);flex-direction:column;padding:80px 32px 32px;gap:24px;transition:right .35s ease;box-shadow:-4px 0 24px rgba(0,0,0,.3)}
  .nav-links.open{right:0}
  .nav-links a{font-size:1rem;color:rgba(255,255,255,.8)}
  .mobile-toggle{display:flex}
  .hero-content{padding:100px 0 60px}
  .hero-stats{flex-direction:column;gap:20px}
  .industries{grid-template-columns:1fr 1fr}
  .criteria-grid{grid-template-columns:1fr}
  .founder-section{padding:32px 24px}
  .founder-traits{grid-template-columns:1fr}
  .contact-form{padding:28px 20px}
}
@media(max-width:480px){
  .industries{grid-template-columns:1fr}
  .subsidiaries{grid-template-columns:1fr}
}