:root {
  --bg: #0b0d12;
  --bg-alt: #10131b;
  --surface: #151926;
  --surface-2: #1b2030;
  --border: #262c3d;
  --text: #e8ebf2;
  --muted: #9aa3b8;
  --accent: #f5b301;
  --accent-2: #ffd25a;
  --grad: linear-gradient(135deg, #f5b301 0%, #ff8a3d 100%);
  --radius: 16px;
  --maxw: 1140px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --font-head: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

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

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; font-weight: 700; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 13, 18, 0.8);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav__brand { font-family: var(--font-head); font-weight: 800; font-size: 1.4rem; letter-spacing: -0.5px; }
.nav__brand span { color: var(--accent); }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a { color: var(--muted); font-size: 0.95rem; font-weight: 500; transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__cta {
  background: var(--grad); color: #0b0d12 !important; font-weight: 600;
  padding: 9px 18px; border-radius: 999px;
}
.nav__cta:hover { filter: brightness(1.08); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 160px 0 90px; overflow: hidden; }
.hero__glow {
  position: absolute; top: -30%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,179,1,0.16) 0%, rgba(245,179,1,0) 62%);
  pointer-events: none;
}
.hero__inner { position: relative; text-align: center; max-width: 880px; margin: 0 auto; }
.hero__eyebrow {
  text-transform: uppercase; letter-spacing: 3px; font-size: 0.8rem;
  color: var(--accent); font-weight: 600; margin-bottom: 22px;
}
.hero__title { font-size: clamp(2.1rem, 5.2vw, 3.7rem); font-weight: 800; letter-spacing: -1.5px; }
.hero__sub { color: var(--muted); font-size: 1.12rem; margin: 26px auto 0; max-width: 680px; }
.hero__sub strong { color: var(--text); font-weight: 600; }
.hero__actions { display: flex; gap: 14px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 0.98rem;
  transition: transform .2s ease, filter .2s ease, background .2s, border-color .2s; cursor: pointer;
}
.btn--primary { background: var(--grad); color: #0b0d12; }
.btn--primary:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn--ghost { border: 1px solid var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); transform: translateY(-2px); }

.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-top: 60px; padding-top: 34px; border-top: 1px solid var(--border);
}
.stat { text-align: center; }
.stat__num { display: block; font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: var(--text); }
.stat__num::after { content: "+"; color: var(--accent); }
.stat__label { color: var(--muted); font-size: 0.85rem; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }
.section--cta { background: linear-gradient(180deg, var(--bg-alt), var(--bg)); text-align: center; }
.section__head { max-width: 680px; margin: 0 auto 54px; text-align: center; }
.section__tag {
  text-transform: uppercase; letter-spacing: 2.5px; font-size: 0.78rem;
  color: var(--accent); font-weight: 600; margin-bottom: 12px;
}
.section__title { font-size: clamp(1.8rem, 3.8vw, 2.6rem); letter-spacing: -1px; }
.section__lead { color: var(--muted); margin-top: 16px; font-size: 1.05rem; }

.grid { display: grid; gap: 20px; }
.services { grid-template-columns: repeat(3, 1fr); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; transition: transform .25s ease, border-color .25s ease, background .25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(245,179,1,0.4); background: var(--surface-2); }
.card__icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 700; font-size: 1.15rem;
  background: rgba(245,179,1,0.12); color: var(--accent); margin-bottom: 18px;
}
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Case studies ---------- */
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: transform .25s, border-color .25s;
}
.case:hover { transform: translateY(-4px); border-color: rgba(245,179,1,0.35); }
.case__body { padding: 30px; }
.case__pill {
  display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.5px;
  color: var(--accent); background: rgba(245,179,1,0.1);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 16px;
}
.case h3 { font-size: 1.4rem; }
.case__role { color: var(--accent-2); font-size: 0.85rem; font-weight: 500; margin: 4px 0 14px; }
.case p { color: var(--muted); font-size: 0.96rem; }
.case__list { list-style: none; margin: 18px 0; display: grid; gap: 9px; }
.case__list li { position: relative; padding-left: 24px; color: var(--text); font-size: 0.93rem; }
.case__list li::before {
  content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700;
}
.case__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.case__meta span {
  font-size: 0.75rem; color: var(--muted);
  border: 1px solid var(--border); padding: 4px 10px; border-radius: 999px;
}

/* ---------- Stack ---------- */
.stack { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stack__col {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.stack__col h4 { color: var(--accent); font-size: 0.95rem; margin-bottom: 14px; }
.stack__col ul { list-style: none; display: grid; gap: 8px; }
.stack__col li { color: var(--muted); font-size: 0.9rem; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.about__text .section__title { text-align: left; }
.about__text .section__head { text-align: left; }
.about__text p { color: var(--muted); margin-top: 16px; }
.about__text .btn { margin-top: 26px; }
.about__facts { display: grid; gap: 14px; }
.fact { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; }
.fact span { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent); }
.fact p { color: var(--text); font-weight: 500; margin-top: 4px; }

/* ---------- CTA ---------- */
.cta h2 { font-size: clamp(2rem, 4.5vw, 3rem); letter-spacing: -1px; }
.cta p { color: var(--muted); margin: 16px auto 0; max-width: 520px; }
.cta__actions { display: flex; gap: 14px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.cta__trust { color: var(--muted); font-size: 0.9rem; margin-top: 20px; }
.cta__trust strong { color: var(--accent-2); }

/* ---------- Contact form ---------- */
.contact-form {
  max-width: 640px; margin: 40px auto 0; text-align: left;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; margin-bottom: 18px; }
.form-field label { font-size: 0.82rem; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
.form-field input,
.form-field textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-family: var(--font-body); font-size: 0.95rem;
  padding: 12px 14px; transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #5c6577; }
.form-field input:focus,
.form-field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 179, 1, 0.15);
}
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-actions .btn { border: 0; font-family: var(--font-body); }
.form-actions .btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-status { font-size: 0.9rem; color: var(--muted); }
.form-status--success { color: #4ade80; }
.form-status--error { color: #f87171; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 30px 0; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 0.88rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .cases { grid-template-columns: 1fr; }
  .stack { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav__links {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--border);
    padding: 10px 24px 20px; transform: translateY(-120%); transition: transform .3s ease;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { padding: 12px 0; width: 100%; }
  .nav__toggle { display: flex; }
  .services, .stack { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .section { padding: 72px 0; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 22px; }
  .footer__inner { flex-direction: column; gap: 8px; text-align: center; }
}