/* ---------- Base ---------- */
:root{
  --bg: #ffffff;
  --muted-bg: #f6f7f8;
  --text: #101214;
  --muted: #5b6572;
  --border: #e6e8eb;
  --shadow: 0 10px 30px rgba(16,18,20,0.06);
  --radius: 18px;
  --radius-sm: 12px;

  --container: 1120px;

  --accent: #1f6feb;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

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

.container{
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

h1, h2, h3, h4{
  margin: 0 0 12px 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1{ font-size: clamp(1.55rem, 2.4vw, 2.35rem); }
h2{ font-size: clamp(1.6rem, 2.2vw, 2.1rem); margin-bottom: 14px; }
h3{ font-size: 1.1rem; margin-top: 0; }
h4{ font-size: 1.0rem; margin-top: 0; }

p{ margin: 0 0 12px 0; }
ul{ margin: 10px 0 0 18px; padding: 0; }
li{ margin: 6px 0; }

.muted{ color: var(--muted); }
.mono{ font-family: var(--mono); }

/* ---------- Topbar ---------- */
.topbar{
  position: sticky;
  top:0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.90);
  border-bottom: 1px solid var(--border);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
}
.brand__logo{
  width: 28px;
  height: 28px;
  display:block;
}
.brand__name{
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
}

.nav{
  display:flex;
  align-items:center;
  gap: 14px;
  flex-wrap: wrap;
}
.nav a{
  color: var(--muted);
  font-size: 0.95rem;
}
.nav a:hover{ color: var(--text); text-decoration: none; }

/* ---------- Hero (with background image) ---------- */
.hero{
  padding: 56px 0 36px;
  position: relative;
  overflow: hidden;
}

.hero--bg{
  background-image: url("hero-bg.png");
  background-size: cover;
  background-position: center;
}

.hero--bg::before{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.90) 0%,
    rgba(255,255,255,0.82) 45%,
    rgba(255,255,255,0.55) 100%
  );
  pointer-events:none;
}

.hero__inner{
  position: relative;
  display:grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 28px;
  align-items: start;
}

.hero__sectiontitle{
  font-size: clamp(1.35rem, 1.9vw, 1.7rem);
  margin-bottom: 14px;
}

.hero__headline{
  margin-top: 6px;
  max-width: 28ch;
}

.hero__lead{
  margin-top: 14px;
  font-size: 1.05rem;
  max-width: 70ch;
}

.hero__body{
  color: rgba(16,18,20,0.92);
  max-width: 78ch;
}

.hero__actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 0;
}

/* Hero metrics panel */
.hero__panel .panel{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  background: rgba(255,255,255,0.92);
}

.panel__row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.panel__metric{
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  background: #fff;
}
.panel__value{
  font-weight: 750;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.panel__label{
  margin-top: 4px;
  font-size: 0.92rem;
  color: var(--muted);
}
.panel__note{
  margin: 12px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.hero__panelAction{
  margin-top: 14px;
}

/* ---------- Sections ---------- */
.section{
  padding: 54px 0;
}
.section--muted{
  background: var(--muted-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.prose{ max-width: 78ch; }
.prose--wide{ max-width: 92ch; }
.sublead{
  max-width: 95ch;
  color: var(--muted);
  font-size: 1.02rem;
  margin-bottom: 18px;
}

.section__subtitle{
  margin-top: 18px;
  margin-bottom: 10px;
}
.solutions__block{
  margin-top: 26px;
}
.solutions__block:first-of-type{
  margin-top: 0;
}

/* ---------- Blue bullets utility ---------- */
.bullets-blue{
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}
.bullets-blue li{
  position: relative;
  padding-left: 18px;
  margin: 10px 0;
}
.bullets-blue li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.9;
}

/* ---------- Grid / Cards ---------- */
.grid{
  display:grid;
  gap: 16px;
}
.grid--3{
  grid-template-columns: repeat(3, minmax(0,1fr));
}
.grid--2{
  grid-template-columns: repeat(2, minmax(0,1fr));
}

.card{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 18px;
  box-shadow: 0 1px 0 rgba(16,18,20,0.02);
}
.card__subtitle{
  color: var(--muted);
  margin-top: -2px;
}

.link{
  display:inline-block;
  margin-top: 10px;
  color: var(--accent);
  text-decoration: none;
}
.link:hover{ text-decoration: underline; }

/* ---------- Cases (Projects) ---------- */
.stack{
  display:flex;
  flex-direction: column;
  gap: 12px;
}
.case{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 0;
  overflow: hidden;
}
.case__summary{
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  display:flex;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
}
.case__summary::-webkit-details-marker{ display:none; }
.case__title{
  font-weight: 650;
  letter-spacing: -0.01em;
}
.case__pill{
  color: var(--muted);
  font-size: 0.92rem;
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff;
}
.case__body{
  padding: 0 18px 18px 18px;
  border-top: 1px solid var(--border);
}
.case__body p{
  margin-top: 14px;
}
.case[open] .case__summary{
  background: rgba(31,111,235,0.06);
}

/* ---------- Buttons ---------- */
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  border-radius: 999px;
  padding: 11px 16px;
  border: 1px solid var(--border);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.button--primary{
  background: var(--accent);
  color: #fff !important;
  border-color: transparent;
}
.button--primary:hover{
  text-decoration: none;
  filter: brightness(0.98);
}
.button--sm{
  padding: 9px 14px;
  font-size: 0.95rem;
}
.button--wide{
  width: 100%;
}

/* ---------- About spacing ---------- */
.about__subtitle{
  margin-top: 18px;
}
.about__subtitle:first-of-type{
  margin-top: 0;
}

/* ---------- Contact layout ---------- */
.contactGrid{
  grid-template-columns: 1fr;
  max-width: 640px;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero__inner{
    grid-template-columns: 1fr;
  }
  .grid--3{
    grid-template-columns: 1fr;
  }
  .grid--2{
    grid-template-columns: 1fr;
  }
  .nav{
    gap: 10px;
  }
  .hero--bg::before{
    background: rgba(255,255,255,0.86);
  }
  .button--wide{
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
}