/* ===== Alberding Consulting – Flat Design ===== */
:root{
  --navy:#003d6b;
  --blue:#005493;
  --blue-light:#34a5da;
  --blue-soft:#e8f3fb;
  --ink:#1a2733;
  --grey:#5b6b78;
  --line:#e3e9ef;
  --bg:#ffffff;
  --bg-alt:#f5f8fb;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,61,107,.08);
  --shadow-sm:0 4px 14px rgba(0,61,107,.07);
  --max:1160px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---- Buttons ---- */
.btn{
  display:inline-block;padding:14px 28px;border-radius:50px;font-weight:600;
  font-size:.98rem;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s;
  cursor:pointer;border:none;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(0,84,147,.28)}
.btn-primary:hover{transform:translateY(-2px);background:var(--blue-light)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---- Header ---- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand-logo{height:40px;width:auto;background:#0e2233;padding:8px 12px;border-radius:10px;display:block}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{font-weight:500;font-size:.96rem;color:var(--ink);position:relative;padding:4px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue-light);transition:width .25s var(--ease)}
.main-nav a:hover{color:var(--blue)}
.main-nav a:hover::after{width:100%}
.lang-switch{display:flex;align-items:center;gap:6px;margin-left:8px;font-weight:600;font-size:.9rem;color:var(--grey)}
.lang-switch a{background:none;border:none;cursor:pointer;color:var(--grey);font-weight:600;font-size:.9rem;padding:2px 4px;border-radius:6px;transition:color .2s}
.lang-switch a.active{color:var(--blue)}
.lang-switch a:hover{color:var(--blue-light)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---- Hero ---- */
.hero{position:relative;color:#fff;overflow:hidden;padding:120px 0 130px}
.hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,#00294a 0%,var(--blue) 55%,var(--blue-light) 130%);z-index:0}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(52,165,218,.45),transparent 45%),
             radial-gradient(circle at 15% 85%,rgba(255,255,255,.08),transparent 40%);
}
.hero-inner{position:relative;z-index:1;max-width:760px}
.hero-eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:.82rem;font-weight:600;color:var(--blue-light);margin-bottom:18px}
.hero-title{font-size:clamp(2.4rem,5vw,4rem);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin-bottom:22px}
.hero-sub{font-size:clamp(1.05rem,2vw,1.25rem);color:rgba(255,255,255,.9);max-width:620px;margin-bottom:36px;font-weight:300}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}

/* ---- Sections ---- */
.section{padding:90px 0}
.section.alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:54px}
.kicker{display:inline-block;text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:700;color:var(--blue-light);margin-bottom:14px}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700;letter-spacing:-.02em;line-height:1.15;color:var(--navy)}
.section-intro{margin-top:16px;color:var(--grey);font-size:1.08rem}
.lead{font-size:1.2rem;color:var(--grey);max-width:840px;font-weight:300}

/* ---- Cards ---- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;transition:transform .25s var(--ease),box-shadow .25s var(--ease);box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-icon{width:54px;height:54px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.card-icon svg{width:28px;height:28px}
.card h3{font-size:1.18rem;font-weight:700;color:var(--navy);margin-bottom:12px}
.card p{color:var(--grey);font-size:.97rem}

/* ---- Flow ---- */
.flow{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:none}
.flow li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;box-shadow:var(--shadow-sm)}
.flow-num{font-size:2rem;font-weight:800;color:var(--blue-light);opacity:.9;display:block;margin-bottom:10px}
.flow h4{color:var(--navy);font-size:1.08rem;margin-bottom:8px}
.flow p{color:var(--grey);font-size:.94rem}

/* ---- Detail ---- */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.detail-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow-sm)}
.detail-block h3{color:var(--navy);font-size:1.4rem;margin-bottom:24px}
.detail-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.detail-cols h5{color:var(--blue);font-size:.84rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.detail-cols ul{list-style:none}
.detail-cols li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--grey);font-size:.95rem}
.detail-cols li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--blue-light)}
.detail-foot{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);color:var(--grey);font-size:.92rem;font-style:italic}

/* ---- Team ---- */
.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.team-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;box-shadow:var(--shadow-sm);transition:box-shadow .25s}
.team-card:hover{box-shadow:var(--shadow)}
.team-card img{width:180px;object-fit:cover;flex-shrink:0;background:var(--bg-alt)}
.team-body{padding:28px 26px}
.team-body h3{color:var(--navy);font-size:1.3rem}
.team-role{color:var(--blue-light);font-weight:600;font-size:.92rem;margin-bottom:16px}
.team-facts{list-style:none}
.team-facts li{position:relative;padding-left:20px;margin-bottom:8px;color:var(--grey);font-size:.92rem}
.team-facts li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:var(--blue-light)}

/* ---- Benefits ---- */
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.benefit{padding:30px 24px;border-radius:var(--radius);background:var(--bg-alt);border:1px solid var(--line)}
.benefit h4{color:var(--navy);font-size:1.1rem;margin-bottom:10px}
.benefit p{color:var(--grey);font-size:.95rem}

/* ---- Phases ---- */
.phase-track{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.phase{position:relative;padding:0 14px;text-align:center}
.phase span{width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;z-index:2}
.phase::before{content:"";position:absolute;top:23px;left:-50%;width:100%;height:3px;background:var(--blue-light);opacity:.4;z-index:1}
.phase:first-child::before{display:none}
.phase h5{color:var(--navy);font-size:1rem;margin-bottom:6px}
.phase p{color:var(--grey);font-size:.84rem}

/* ---- Contact ---- */
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-text h2{color:var(--navy);font-size:clamp(1.7rem,3vw,2.3rem);margin:10px 0 16px}
.contact-text p{color:var(--grey);font-size:1.05rem;margin-bottom:28px}
.contact-list{list-style:none}
.contact-list li{display:flex;flex-direction:column;margin-bottom:18px}
.contact-list strong{color:var(--blue);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}
.contact-list span{color:var(--ink)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
.contact-form label{display:block;margin-bottom:18px}
.contact-form span{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:7px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:9px;font-family:inherit;font-size:.96rem;color:var(--ink);transition:border .2s,box-shadow .2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--blue-light);box-shadow:0 0 0 3px rgba(52,165,218,.18)}
.contact-form .btn{width:100%;margin-top:4px}
.form-note{font-size:.8rem;color:var(--grey);margin-top:14px;text-align:center}

/* ---- Footer ---- */
.site-footer{background:var(--navy);color:rgba(255,255,255,.85);padding:50px 0 26px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:16px}
.footer-brand img{height:48px}
.footer-brand p{color:var(--blue-light);font-weight:600;font-size:.95rem}
.footer-nav{display:flex;gap:24px;flex-wrap:wrap}
.footer-nav a{font-size:.92rem;color:rgba(255,255,255,.8);transition:color .2s}
.footer-nav a:hover{color:#fff}
.footer-legal{padding-top:22px;font-size:.82rem;color:rgba(255,255,255,.6)}
.footer-legal p{margin-bottom:6px}

/* ---- Reveal animation ---- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:980px){
  .card-grid,.flow,.benefit-grid{grid-template-columns:repeat(2,1fr)}
  .detail-grid,.team-grid,.contact-inner{grid-template-columns:1fr}
  .phase-track{grid-template-columns:repeat(3,1fr);gap:30px 0}
  .phase:nth-child(4)::before{display:none}
}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:10px 24px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .35s var(--ease);height:auto}
  .main-nav.open{transform:translateY(0)}
  .main-nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
  .main-nav a::after{display:none}
  .lang-switch{margin:14px 0 0}
  .nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .hero{padding:80px 0 90px}
  .section{padding:64px 0}
}
@media(max-width:520px){
  .card-grid,.flow,.benefit-grid,.detail-cols,.phase-track{grid-template-columns:1fr}
  .team-card{flex-direction:column}
  .team-card img{width:100%;height:240px}
  .phase::before{display:none}
}