/* ============================================================
   CS Solutions — brand-driven stylesheet
   Palette + type derived from the official brand book.
   ============================================================ */
:root{
  --navy:#0B2C4D;
  --navy-900:#081f38;
  --tech-blue:#1C98D9;
  --tech-blue-600:#1580ba;
  --gray:#E6E8EB;
  --gray-mid:#aab3bd;
  --orange:#FF6A00;
  --white:#ffffff;
  --ink:#0B2C4D;
  --muted:#5a6b7d;
  --radius:14px;
  --shadow:0 18px 40px -18px rgba(11,44,77,.35);
  --maxw:1160px;
  --font-head:'Montserrat',sans-serif;
  --font-sub:'Poppins',sans-serif;
  --font-body:'Open Sans',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.hidden{display:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;font-family:var(--font-sub);font-weight:600;
  padding:14px 28px;border-radius:var(--radius);font-size:.98rem;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  cursor:pointer;border:2px solid transparent;
}
.btn--primary{background:var(--orange);color:var(--white)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(255,106,0,.6)}
.btn--ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{border-color:var(--tech-blue);color:var(--tech-blue)}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,44,77,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav__logo{height:42px;width:auto;filter:drop-shadow(0 2px 8px rgba(0,0,0,.3))}
.nav__links{display:flex;gap:30px;align-items:center}
.nav__links a{color:var(--gray);font-family:var(--font-sub);font-weight:500;font-size:.95rem;transition:color .15s}
.nav__links a:hover{color:var(--tech-blue)}
.nav__cta{background:var(--orange);color:#fff!important;padding:9px 20px;border-radius:10px}
.nav__cta:hover{background:#ff7d1f}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}
.nav__toggle span{width:26px;height:3px;background:var(--gray);border-radius:2px;transition:.25s}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,var(--navy) 0%,var(--navy-900) 100%);color:var(--white);overflow:hidden;padding:120px 0 100px}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(28,152,217,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(28,152,217,.09) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(ellipse at 70% 30%,#000 30%,transparent 75%)}
.hero__inner{position:relative;max-width:820px}
.hero__eyebrow{font-family:var(--font-sub);letter-spacing:.22em;text-transform:uppercase;font-size:.78rem;color:var(--tech-blue);margin-bottom:22px}
.hero__title{font-family:var(--font-head);font-weight:800;font-size:clamp(2.4rem,6vw,4.1rem);line-height:1.05;letter-spacing:-.5px}
.hero__title span{color:var(--tech-blue)}
.hero__sub{font-size:1.2rem;color:var(--gray);margin:24px 0 36px;max-width:600px}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap}
.hero__stats{display:flex;gap:44px;margin-top:64px;flex-wrap:wrap}
.hero__stat b{display:block;font-family:var(--font-head);font-weight:800;font-size:2.4rem;color:var(--orange)}
.hero__stat span{font-family:var(--font-sub);color:var(--gray-mid);font-size:.9rem}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section--alt{background:var(--gray)}
.eyebrow{font-family:var(--font-sub);text-transform:uppercase;letter-spacing:.2em;font-size:.76rem;color:var(--tech-blue);font-weight:600;margin-bottom:14px}
.eyebrow--light{color:var(--tech-blue)}
.section__title{font-family:var(--font-head);font-weight:700;font-size:clamp(1.9rem,4vw,2.8rem);letter-spacing:-.5px;line-height:1.1}
.section__lead{color:var(--muted);font-size:1.1rem;max-width:640px;margin-top:16px}

/* ---------- Cards / services ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-top:48px}
.card{background:var(--white);border:1px solid var(--gray);border-radius:var(--radius);padding:32px 28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--tech-blue)}
.card__icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--tech-blue),var(--navy));display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px}
.card h3{font-family:var(--font-sub);font-weight:600;font-size:1.2rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.96rem}

/* ---------- About ---------- */
.about__grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:center}
.about__body{color:var(--muted);margin-top:18px;font-size:1.05rem}
.about__body p{margin-bottom:14px}
.about__stats{display:grid;gap:18px}
.about__stat{background:var(--white);border-radius:var(--radius);padding:24px;border-left:4px solid var(--orange);box-shadow:var(--shadow)}
.about__stat b{font-family:var(--font-head);font-weight:800;font-size:2rem;color:var(--navy);display:block}
.about__stat span{color:var(--muted);font-size:.92rem}

/* ---------- MontCure ---------- */
.montcure{background:linear-gradient(160deg,var(--navy-900),var(--navy));color:var(--white);text-align:center}
.montcure__inner{max-width:760px;margin:0 auto}
.montcure__logo{height:120px;width:auto;margin:0 auto 12px;object-fit:contain}
.montcure .section__title{font-size:clamp(2.2rem,5vw,3rem)}
.montcure__lead{color:var(--gray);font-size:1.12rem;margin:18px auto 0;max-width:600px}
.montcure__features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:44px;text-align:left}
.montcure__feature{background:rgba(255,255,255,.05);border:1px solid rgba(28,152,217,.25);border-radius:var(--radius);padding:22px}
.montcure__feature h4{font-family:var(--font-sub);color:var(--tech-blue);margin-bottom:8px;font-size:1.05rem}
.montcure__feature p{color:var(--gray-mid);font-size:.92rem}

/* ---------- Portfolio ---------- */
.portfolio{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:48px}
.project{border:1px solid var(--gray);border-radius:var(--radius);padding:28px;background:var(--white);transition:transform .2s,box-shadow .2s}
.project:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.project__tag{display:inline-block;font-family:var(--font-sub);font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--tech-blue);background:rgba(28,152,217,.1);padding:5px 12px;border-radius:20px;margin-bottom:14px}
.project h3{font-family:var(--font-sub);font-weight:600;font-size:1.2rem;margin-bottom:8px}
.project p{color:var(--muted);font-size:.95rem}

/* ---------- Team ---------- */
.team{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;margin-top:48px;max-width:720px}
.member{background:var(--white);border-radius:var(--radius);padding:32px;text-align:center;box-shadow:var(--shadow);border-top:4px solid var(--tech-blue)}
.member__avatar{width:88px;height:88px;border-radius:50%;margin:0 auto 18px;background:linear-gradient(135deg,var(--navy),var(--tech-blue));display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-head);font-weight:800;font-size:1.8rem}
.member h3{font-family:var(--font-sub);font-weight:600;font-size:1.25rem}
.member__role{color:var(--orange);font-family:var(--font-sub);font-weight:500;font-size:.95rem;margin-bottom:12px}
.member p{color:var(--muted);font-size:.93rem}

/* ---------- Contact ---------- */
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact__details{list-style:none;margin-top:26px;display:grid;gap:14px}
.contact__details li{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:1rem}
.contact__details b{color:var(--navy);font-family:var(--font-sub);font-weight:600;min-width:78px}
.contact__form{background:var(--gray);padding:34px;border-radius:var(--radius);display:grid;gap:16px}
.contact__form label{display:grid;gap:6px;font-family:var(--font-sub);font-weight:500;font-size:.9rem;color:var(--navy)}
.contact__form input,.contact__form textarea{font-family:var(--font-body);padding:12px 14px;border:1px solid #cfd6dd;border-radius:10px;font-size:.98rem;background:#fff}
.contact__form input:focus,.contact__form textarea:focus{outline:2px solid var(--tech-blue);border-color:transparent}

/* ---------- Footer ---------- */
.footer{background:var(--navy-900);color:var(--gray);padding:48px 0;text-align:center}
.footer__logo{height:40px;margin:0 auto 14px}
.footer__tag{font-family:var(--font-sub);color:var(--tech-blue);margin-bottom:8px}
.footer__copy{font-size:.85rem;color:var(--gray-mid)}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .nav__toggle{display:flex}
  .nav__links{position:absolute;top:76px;left:0;right:0;background:var(--navy);flex-direction:column;padding:24px;gap:18px;transform:translateY(-140%);transition:transform .3s;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav__links.is-open{transform:translateY(0)}
  .about__grid,.contact__grid{grid-template-columns:1fr;gap:36px}
  .hero{padding:90px 0 70px}
  .section{padding:70px 0}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
}