/*
  ╔══════════════════════════════════════════════════════════╗
  ║   SANDHRI ASSOCIATES — COMMON STYLESHEET                ║
  ║   Covers: CSS variables, reset, header, footer,         ║
  ║           typography, shared utility classes            ║
  ║   Import in every page's <head>:                        ║
  ║     <link rel="stylesheet" href="common.css"/>          ║
  ╚══════════════════════════════════════════════════════════╝
*/

/* ══════════════════════════════════════
   RESET
══════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:#ffffff;
  color:#1e293b;
  overflow-x:hidden;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

/* ══════════════════════════════════════
   CSS VARIABLES  (brand tokens)
══════════════════════════════════════ */
:root{
  /* Blues */
  --blue:       #1a51a3;
  --blue-dark:  #123a75;
  --blue-mid:   #1a51a3;
  --blue-light: #3670c9;
  --blue-pale:  #e8eef8;
  --blue-pale2: #f0f4fc;

  /* Accent */
  --accent: #de2d26;

  /* Neutrals */
  --white:    #ffffff;
  --offwhite: #f8f9fc;
  --gray:     #64748b;
  --gray-light:#f1f5f9;
  --border:   #e2e8f0;
  --dark:     #0f1729;
  --text:     #1e293b;
}

/* ══════════════════════════════════════
   TOP BAR
══════════════════════════════════════ */
.topbar{
  background:var(--blue-dark);
  padding:9px 0;
  font-size:0.76rem;
  color:rgba(255,255,255,0.75);
}
.topbar-inner{
  max-width:1280px;margin:0 auto;padding:0 48px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.topbar a{color:rgba(255,255,255,0.75);text-decoration:none;transition:color 0.2s}
.topbar a:hover{color:#fff}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.tb-dot{color:rgba(255,255,255,0.3)}

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
nav{
  background:var(--white);
  position:sticky;top:0;z-index:1000;
  box-shadow:0 1px 0 var(--border),0 4px 24px rgba(26,81,163,0.07);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 48px;
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:24px;
}
.nav-logo img{height:54px;width:auto;display:block}
.nav-links{display:flex;list-style:none;align-items:center;gap:4px}
.nav-links a{
  display:block;padding:8px 16px;
  text-decoration:none;color:var(--text);
  font-size:0.84rem;font-weight:600;
  letter-spacing:0.02em;border-radius:6px;
  transition:color 0.2s,background 0.2s;
}
.nav-links a:hover{color:var(--blue);background:var(--blue-pale)}
.nav-links a.active{color:var(--blue)}
.nav-cta{
  background:var(--blue)!important;color:#fff!important;
  padding:10px 22px!important;border-radius:8px!important;
  font-weight:700!important;letter-spacing:0.03em!important;
  box-shadow:0 2px 8px rgba(26,81,163,0.25);
  transition:background 0.2s,transform 0.15s,box-shadow 0.2s!important;
}
.nav-cta:hover{
  background:var(--blue-dark)!important;transform:translateY(-1px);
  box-shadow:0 4px 16px rgba(26,81,163,0.35)!important;
}
/* Nav active state: NOT applied to nav-cta */
.nav-links a.active:not(.nav-cta){color:var(--blue)}

/* ── Hamburger ── */
.hamburger{
  display:none;flex-direction:column;justify-content:center;
  gap:5px;cursor:pointer;background:none;border:none;
  padding:8px;border-radius:6px;
}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all 0.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── Mobile Menu ── */
.mobile-menu{
  display:none;
  background:var(--white);border-top:1px solid var(--border);
  padding:12px 24px 20px;
}
.mobile-menu.open{display:block}
.mobile-menu ul{list-style:none;display:flex;flex-direction:column;gap:2px}
.mobile-menu ul a{
  display:block;padding:12px 16px;text-decoration:none;
  color:var(--text);font-size:0.9rem;font-weight:600;
  border-radius:8px;letter-spacing:0.02em;
  transition:background 0.2s,color 0.2s;
}
.mobile-menu ul a:hover{background:var(--blue-pale);color:var(--blue)}
.mobile-menu .m-cta{
  background:var(--blue)!important;color:#fff!important;
  text-align:center;margin-top:8px;border-radius:8px!important;
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
footer{
  background:var(--white);
  padding:72px 0 0;
  border-top:1px solid var(--border);
}
.foot-inner{max-width:1280px;margin:0 auto;padding:0 48px}
.foot-top{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:60px;padding-bottom:52px;border-bottom:1px solid var(--border);
}
.foot-logo img{height:52px;width:auto;display:block;margin-bottom:20px}
.foot-desc{color:var(--gray);font-size:0.87rem;line-height:1.72;margin-bottom:24px}
.foot-social{display:flex;gap:8px}
.soc{
  width:38px;height:38px;border-radius:8px;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--gray);font-size:0.8rem;font-weight:700;
  text-decoration:none;
  transition:border-color 0.2s,color 0.2s,background 0.2s;
}
.soc:hover{border-color:var(--blue);color:#fff;background:var(--blue)}
.foot-col h4{
  font-family:'Barlow Condensed',sans-serif;
  font-size:1rem;font-weight:800;text-transform:uppercase;
  letter-spacing:0.1em;color:var(--dark);margin-bottom:20px;
}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-col ul a{
  text-decoration:none;color:var(--gray);font-size:0.86rem;
  display:flex;align-items:center;gap:6px;transition:color 0.2s;
}
.foot-col ul a:hover{color:var(--blue)}
.foot-col ul a::before{content:'→';font-size:0.75rem;opacity:0.5}
.ci{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.ci-icon{color:var(--blue);font-size:0.9rem;margin-top:2px;flex-shrink:0}
.ci-text{color:var(--gray);font-size:0.85rem;line-height:1.6}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:22px 0;flex-wrap:wrap;gap:12px;
}
.foot-bottom p{color:var(--gray);font-size:0.78rem}
.f-badge{
  font-size:0.7rem;color:var(--blue);
  border:1px solid rgba(26,81,163,0.3);
  padding:4px 14px;border-radius:100px;
  letter-spacing:0.1em;text-transform:uppercase;
  font-weight:700;background:var(--blue-pale);
}

/* ══════════════════════════════════════
   SHARED SECTION UTILITIES
   (used across home, about, contact, etc.)
══════════════════════════════════════ */
.sec{padding:88px 0}
.container{max-width:1280px;margin:0 auto;padding:0 48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:0.72rem;letter-spacing:0.2em;text-transform:uppercase;
  color:var(--blue);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:'';display:block;width:24px;height:2px;background:var(--blue);border-radius:2px}
.sec-title{
  font-family:'Barlow Condensed',sans-serif;
  font-size:clamp(2.2rem,4vw,3.2rem);
  font-weight:900;text-transform:uppercase;
  color:var(--dark);line-height:1.05;margin-bottom:16px;
}
.sec-title span{color:var(--blue)}
.sec-sub{color:var(--gray);font-size:0.96rem;line-height:1.72;max-width:540px}

/* ── Buttons ── */
.btn-blue{
  background:var(--blue);color:#fff;
  padding:12px 28px;font-weight:700;font-size:0.87rem;
  letter-spacing:0.04em;text-transform:uppercase;
  text-decoration:none;border-radius:8px;
  box-shadow:0 4px 16px rgba(26,81,163,0.2);
  transition:background 0.2s,transform 0.15s;
  display:inline-block;border:none;cursor:pointer;
  font-family:'Inter',sans-serif;
}
.btn-blue:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-white{
  background:#fff;color:var(--blue);
  padding:12px 28px;font-weight:700;font-size:0.87rem;
  letter-spacing:0.04em;text-transform:uppercase;
  text-decoration:none;border-radius:8px;
  box-shadow:0 4px 16px rgba(0,0,0,0.12);
  transition:transform 0.2s,box-shadow 0.2s;display:inline-block;
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.18)}
.btn-ghost{
  border:2px solid rgba(255,255,255,0.5);color:#fff;
  padding:12px 28px;font-weight:700;font-size:0.87rem;
  letter-spacing:0.04em;text-transform:uppercase;
  text-decoration:none;border-radius:8px;
  transition:background 0.2s,border-color 0.2s,transform 0.2s;
  display:inline-block;backdrop-filter:blur(4px);
}
.btn-ghost:hover{background:rgba(255,255,255,0.12);border-color:rgba(255,255,255,0.8);transform:translateY(-2px)}

/* ══════════════════════════════════════
   RESPONSIVE — HEADER & FOOTER
══════════════════════════════════════ */
@media(max-width:1100px){
  .topbar-inner,.nav-inner,.container,.foot-inner{padding:0 28px}
  .foot-top{grid-template-columns:1fr 1fr;gap:40px}
  footer{padding:56px 0 0}
}
@media(max-width:768px){
  .topbar{display:none}
  .nav-links{display:none}
  .hamburger{display:flex}
  .sec{padding:64px 0}
  .foot-top{grid-template-columns:1fr 1fr;gap:36px 24px}
  .foot-top>div:first-child{grid-column:1/-1;text-align:center}
  .foot-top>div:first-child .foot-logo{display:flex;justify-content:center}
  .foot-logo img{height:60px}
  .foot-desc{max-width:420px;margin-left:auto;margin-right:auto}
  .foot-social{justify-content:center}
  .foot-top>div:nth-child(4){grid-column:1/-1}
  .soc:hover{border-color:var(--border);color:var(--gray);background:transparent}
}
@media(max-width:480px){
  .topbar-inner,.nav-inner,.container,.foot-inner{padding:0 20px}
}
