:root{
  --bg: #f7fbff;
  --bg2:#ffffff;
  --ink:#0b1220;
  --muted: rgba(11,18,32,.68);
  --line: rgba(11,18,32,.10);
  --shadow: 0 22px 70px rgba(11,18,32,.08);
  --shadow2: 0 10px 30px rgba(11,18,32,.06);
  --blue:#1b6cff;
  --blue2: rgba(27,108,255,.10);
  --radius: 18px;
  --radius2: 14px;
  --max: 1120px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--ink);
  background: linear-gradient(180deg, #f3f8ff 0%, #ffffff 50%, #f7fbff 100%);
  line-height: 1.5;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset:4px; }

.skip{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip:focus{
  left:14px; top:14px; width:auto; height:auto;
  background:#fff; border:1px solid var(--line); border-radius:12px; padding:10px 12px;
  box-shadow: var(--shadow2);
  z-index:9999;
}

.container{
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
}
.logo{
  width: 18px; height: 18px;
  border-radius: 6px;
  background: var(--blue);
  box-shadow: 0 10px 20px rgba(27,108,255,.18);
}
.brand-text{ white-space:nowrap; }

.nav-links{
  display:flex;
  align-items:center;
  gap: 18px;
}
.nav-link{
  font-size: 14px;
  color: rgba(11,18,32,.78);
}
.nav-link:hover{ color: rgba(11,18,32,.95); text-decoration:none; }

.nav-toggle{
  display:none;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  cursor:pointer;
}
.hamburger{
  display:block;
  width: 18px; height: 12px;
  position: relative;
}
.hamburger::before, .hamburger::after{
  content:"";
  position:absolute;
  left:0; right:0;
  height:2px;
  background: rgba(11,18,32,.75);
  border-radius: 2px;
}
.hamburger::before{ top:0; }
.hamburger::after{ bottom:0; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  font-weight: 600;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 12px 16px;
  cursor:pointer;
  box-shadow: none;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover{ transform: translateY(-1px); text-decoration:none; }
.btn:active{ transform: translateY(0); }

.btn-sm{ padding: 10px 14px; border-radius: 12px; }

.btn-primary{
  background: var(--blue);
  color: white;
  box-shadow: 0 14px 30px rgba(27,108,255,.22);
}
.btn-secondary{
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

/* Hero */
.hero{
  position:relative;
  padding: 86px 0 72px;
  overflow:hidden;
}
.hero-inner{
  text-align:center;
  position:relative;
  z-index:2;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--blue);
  background: var(--blue2);
  border: 1px solid rgba(27,108,255,.18);
}
.hero-title{
  margin: 18px 0 10px;
  font-size: clamp(44px, 6vw, 76px);
  letter-spacing: -0.03em;
  line-height: 1.02;
}
.hero-subtitle{
  margin: 0 auto;
  max-width: 78ch;
  color: rgba(11,18,32,.70);
  font-size: 16px;
}
.hero-actions{
  margin-top: 22px;
  display:flex;
  justify-content:center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-swoosh{
  position:absolute;
  inset:auto -20% -56% -20%;
  height: 520px;
  background:
    radial-gradient(50% 50% at 50% 40%, rgba(27,108,255,.12), rgba(27,108,255,0) 60%),
    linear-gradient(180deg, rgba(27,108,255,.08), rgba(27,108,255,0));
  filter: blur(0px);
  border-top-left-radius: 60%;
  border-top-right-radius: 60%;
  z-index:1;
}

/* Sections */
.section{
  padding: 68px 0;
}
.section-muted{
  background: linear-gradient(180deg, rgba(27,108,255,.06) 0%, rgba(255,255,255,1) 40%, rgba(27,108,255,.06) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head{
  max-width: 920px;
  margin: 0 auto 26px;
  text-align:left;
}
.section-title{
  margin: 0 0 8px;
  font-size: 34px;
  letter-spacing: -0.02em;
}
.section-subtitle{
  margin:0;
  color: var(--muted);
  font-size: 14px;
  max-width: 85ch;
}

/* Cards (Expertise look) */
.card-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.card{
  background: rgba(255,255,255,.85);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow2);
  transition: transform .12s ease, box-shadow .12s ease;
}
.card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-icon{
  width: 42px; height: 42px;
  border-radius: 14px;
  background: rgba(27,108,255,.10);
  border: 1px solid rgba(27,108,255,.18);
  display:grid;
  place-items:center;
  margin-bottom: 14px;
}
.card-icon svg{
  width: 22px; height: 22px;
  fill: var(--blue);
}
.card-title{
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
}
.card-text{
  margin: 0 0 12px;
  color: rgba(11,18,32,.72);
  font-size: 13px;
}
.card-link{
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  text-decoration:none;
}
.card-link:hover{ text-decoration:underline; }

/* Portfolio groups */
.portfolio-group{
  margin-top: 26px;
  padding-top: 6px;
}
.portfolio-label{
  display:flex;
  gap: 14px;
  align-items:flex-start;
  margin-bottom: 14px;
}
.portfolio-bar{
  width: 4px;
  border-radius: 999px;
  background: var(--blue);
  height: 44px;
  margin-top: 4px;
}
.portfolio-title{
  margin:0;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.portfolio-subtitle{
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.tile-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.tile{
  background: rgba(255,255,255,.90);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow2);
  display:flex;
  flex-direction: column;
  align-items: center;
  text-align:center;
}
.tile-icon{
  width: 64px; height: 64px;
  border-radius: 999px;
  background: rgba(27,108,255,.10);
  border: 1px solid rgba(27,108,255,.18);
  display:grid;
  place-items:center;
  margin-bottom: 14px;
}
.tile-icon svg{
  width: 26px; height: 26px;
  fill: var(--blue);
}
.tile-name{
  font-weight: 800;
  letter-spacing: -0.01em;
}
.tile-meta{
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

/* About */
.about-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}
.about-card{
  background: rgba(255,255,255,.85);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow2);
}
.about-card h3{
  margin: 0 0 8px;
  font-size: 16px;
}
.about-card p{
  margin:0;
  color: rgba(11,18,32,.72);
  font-size: 13px;
}
.legal-callout{
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(27,108,255,.22);
  background: rgba(27,108,255,.08);
  color: rgba(11,18,32,.78);
  font-size: 13px;
}

/* Contact */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}
.contact-card{
  background: rgba(255,255,255,.90);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow2);
}
.contact-card h3{
  margin:0 0 8px;
  font-size: 16px;
}
.muted{ color: var(--muted); }
.small{ font-size: 12px; }

.email-display{
  margin-top: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

label{
  display:block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(11,18,32,.85);
}
label span{
  display:block;
  margin-bottom: 6px;
  font-weight: 600;
  color: rgba(11,18,32,.78);
}
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  font: inherit;
}
input:focus, textarea:focus{
  outline:none;
  border-color: rgba(27,108,255,.35);
  box-shadow: 0 0 0 4px rgba(27,108,255,.10);
}

/* Footer */
.footer{
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.75);
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 16px;
  padding: 26px 0;
  flex-wrap: wrap;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
}
.footer-logo{
  width: 16px; height: 16px;
  border-radius: 6px;
  background: var(--blue);
}
.footer-links{
  display:flex;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-links a{
  font-size: 13px;
  color: rgba(11,18,32,.75);
}

/* Responsive */
@media (max-width: 980px){
  .card-grid{ grid-template-columns: 1fr; }
  .tile-grid{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .section-title{ font-size: 28px; }
}

@media (max-width: 860px){
  .nav-toggle{ display:inline-flex; }
  .nav-links{
    display:none;
  }
  .nav-links.open{
    display:flex;
    position:absolute;
    right: 20px;
    top: 64px;
    width: min(380px, calc(100% - 40px));
    flex-direction: column;
    gap: 10px;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.95);
    box-shadow: var(--shadow);
  }
}