@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=Public+Sans:wght@400;500;600&display=swap');

:root{
  --bg: #F7F8FB;
  --bg-panel: #FFFFFF;
  --ink: #1B1E2B;
  --ink-soft: #565B70;
  --indigo: #2B2D6E;
  --indigo-deep: #1D1E4B;
  --amber: #F4A340;
  --line: #E1E4EE;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Public Sans', sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .display{
  font-family: 'Space Grotesk', sans-serif;
  color: var(--indigo-deep);
  margin: 0;
  letter-spacing: -0.01em;
}
a{ color: var(--indigo); text-decoration: none; }
a:hover{ text-decoration: underline; }
:focus-visible{ outline: 2px solid var(--amber); outline-offset: 3px; }

.wrap{ max-width: 1040px; margin: 0 auto; padding: 0 32px; }

/* NAV */
nav{ padding: 24px 0 0; position:relative; }
nav .wrap{ display:flex; justify-content: space-between; align-items:center; }
.mark{ font-family:'Space Grotesk', sans-serif; font-weight:700; font-size:1.1rem; color:var(--indigo-deep); }
.mark span{ color: var(--amber); }
nav ul{ list-style:none; display:flex; gap:28px; margin:0; padding:0; }
nav a{ color: var(--ink-soft); font-weight:500; font-size:0.95rem; }
nav a:hover{ color: var(--indigo-deep); text-decoration:none; }

.nav-toggle{ display:none; }
.nav-toggle-label{ display:none; }

@media (max-width: 680px){
  nav ul{
    display:none;
    position:absolute;
    top: 100%;
    left:0;
    right:0;
    flex-direction:column;
    gap:0;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--line);
    padding: 8px 32px 16px;
    box-shadow: 0 12px 24px rgba(29,30,75,0.08);
    z-index: 20;
  }
  nav ul li{ padding: 12px 0; border-top: 1px solid var(--line); }
  nav ul li:first-child{ border-top:none; }
  nav ul li a{ display:block; font-size: 1rem; }

  .nav-toggle-label{
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width: 28px;
    height: 22px;
    cursor:pointer;
  }
  .nav-toggle-label span{
    display:block;
    height:2px;
    width:100%;
    background: var(--indigo-deep);
    border-radius:2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .nav-toggle:checked ~ .wrap .nav-toggle-label span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle:checked ~ .wrap .nav-toggle-label span:nth-child(2){ opacity:0; }
  .nav-toggle:checked ~ .wrap .nav-toggle-label span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
  .nav-toggle:checked ~ .wrap ul{ display:flex; }
}

/* HERO */
.hero{ padding: 90px 0 70px; }
.hero .wrap{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items:center; }
.kicker{ color: var(--ink-soft); font-size: 1.05rem; margin-bottom: 14px; }
.hero h1{ font-size: clamp(2.1rem, 4.4vw, 3.4rem); line-height:1.08; }
.hero h1 em{ font-style: normal; color: var(--amber); }
.hero p.lead{ margin-top: 22px; max-width: 46ch; color: var(--ink-soft); font-size: 1.08rem; }
.cta-row{ margin-top: 34px; display:flex; gap:16px; flex-wrap:wrap; }
.btn{ display:inline-block; padding: 13px 26px; border-radius: 8px; font-weight:600; font-size:0.95rem; border:none; cursor:pointer; font-family:'Public Sans', sans-serif; }
.btn-primary{ background: var(--indigo-deep); color:#fff; }
.btn-primary:hover{ background: var(--indigo); text-decoration:none; }
.btn-ghost{ border: 1.5px solid var(--line); color: var(--indigo-deep); background:transparent; }
.btn-ghost:hover{ border-color: var(--indigo-deep); text-decoration:none; }

/* diagram */
.diagram{ width:100%; height:auto; }

/* SECTIONS */
section{ padding: 64px 0; border-top: 1px solid var(--line); }
.section-head{ display:grid; grid-template-columns: 220px 1fr; gap: 40px; margin-bottom: 40px; }
.section-head h2{ font-size: 1.7rem; }
.section-head .note{ color: var(--ink-soft); max-width: 52ch; }

@media (max-width: 760px){
  .section-head{ grid-template-columns: 1fr; gap:10px; }
}

/* ABOUT */
.about-body{ display:grid; grid-template-columns: 220px 1fr; gap:40px; }
.about-body p{ max-width: 60ch; color: var(--ink); }
.about-body p + p{ margin-top: 16px; }

/* EXPERTISE — connected list, not identical cards */
.expertise-list{ display:flex; flex-direction: column; }
.exp-row{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.exp-row:first-child{ border-top: none; }
.exp-row h3{ font-size: 1.05rem; color: var(--indigo-deep); }
.exp-row .tag{
  display:inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--indigo);
  background: rgba(43,45,110,0.07);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 8px;
}
.exp-row p{ color: var(--ink-soft); margin: 0; max-width: 58ch; }

/* FOCUS chips */
.focus-wrap{ display:flex; flex-wrap:wrap; gap:10px; }
.chip{
  border: 1.5px solid var(--line);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.92rem;
  color: var(--ink);
  background: var(--bg-panel);
}

/* CONTACT */
.contact-panel{
  background: var(--indigo-deep);
  border-radius: 16px;
  padding: 48px;
  color: #fff;
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items:center;
}
.contact-panel h2{ color:#fff; font-size:1.7rem; }
.contact-panel p{ color: #C7C9E8; margin-top:10px; max-width: 42ch; }
.contact-links{ display:flex; flex-direction:column; gap:14px; }
.contact-links a{ color:#fff; font-weight:600; font-size:1.05rem; }
.contact-links a:hover{ color: var(--amber); }
.contact-links .label{ display:block; font-size:0.8rem; color:#9CA0D6; margin-bottom:2px; font-weight:400; }

/* CONTACT FORM PAGE */
.form-page{ padding: 90px 0 70px; }
.form-page .intro{ max-width: 56ch; margin-bottom: 44px; }
.form-page .intro p{ color: var(--ink-soft); margin-top:14px; font-size:1.05rem; }
.contact-form{ max-width: 560px; display:flex; flex-direction:column; gap:22px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-weight:600; font-size:0.92rem; color: var(--indigo-deep); }
.field input, .field textarea{
  font-family:'Public Sans', sans-serif;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--bg-panel);
  color: var(--ink);
}
.field input:focus, .field textarea:focus{ border-color: var(--indigo); outline:none; }
.field textarea{ resize: vertical; min-height: 140px; }
.form-note{ font-size: 0.85rem; color: var(--ink-soft); }
.form-status{ padding: 14px 18px; border-radius: 8px; font-size: 0.95rem; max-width:560px; }
.form-status.success{ background: rgba(60,160,120,0.12); color:#1B6E4F; }
.form-status.error{ background: rgba(210,80,80,0.12); color:#9A2C2C; }

@media (max-width: 760px){
  .wrap{ padding: 0 24px; }
  .hero{ padding: 56px 0 48px; }
  .hero .wrap{ grid-template-columns: 1fr; gap:36px; }
  .hero .diagram-col{ order:-1; max-width: 240px; margin: 0 auto; }
  .hero p.lead{ max-width: 100%; }
  .cta-row{ flex-direction:column; }
  .cta-row .btn{ text-align:center; width:100%; }
  section{ padding: 44px 0; }
  .about-body, .exp-row{ grid-template-columns: 1fr; gap:10px; }
  .contact-panel{ grid-template-columns: 1fr; padding: 28px; text-align:left; }
  .form-page{ padding: 56px 0 48px; }
}

@media (max-width: 420px){
  .kicker{ font-size: 0.95rem; }
  .hero h1{ font-size: 1.8rem; }
  .hero p.lead{ font-size: 1rem; }
  .btn{ padding: 12px 20px; font-size: 0.92rem; }
  .section-head h2{ font-size: 1.4rem; }
  .contact-panel h2{ font-size: 1.4rem; }
}

footer{ padding: 30px 0 50px; color: var(--ink-soft); font-size: 0.88rem; }