/* ==========================================================================
   Tatva Law LLP — stylesheet
   Modern minimal. One accent colour. Edit the variables below to re-skin.
   ========================================================================== */

:root {
  --ink:        #0d1b21;
  --ink-soft:   #3d4d54;
  --ink-faint:  #7a878d;
  --rule:       #e3e7e6;
  --paper:      #ffffff;
  --paper-alt:  #f6f8f7;
  --accent:     #14665b;
  --accent-dk:  #0e4a42;
  --accent-tint:#e8f1ef;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --wrap: 1160px;
  --gut: 24px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1.1em; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dk); text-decoration: underline; }

img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.narrow { max-width: 760px; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.lede { font-size: 1.16rem; color: var(--ink-soft); }

section { padding: clamp(56px, 8vw, 104px) 0; }
section.tint { background: var(--paper-alt); }

.rule { height: 1px; background: var(--rule); border: 0; margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 13px 26px;
  border-radius: 2px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { background: var(--accent-dk); border-color: var(--accent-dk); color: #fff; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent); color: #fff; }

.arrow-link {
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.arrow-link::after { content: "→"; transition: transform .18s ease; }
.arrow-link:hover::after { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; flex: 0 0 38px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--accent);
  line-height: 1;
}
.brand-name {
  font-family: var(--serif);
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.brand-sub {
  display: block;
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 3px;
}

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 1.5px solid transparent;
  white-space: nowrap;
  flex: 0 0 auto;
}
.nav a:hover { color: var(--ink); text-decoration: none; border-bottom-color: var(--rule); }
.nav a.active { color: var(--ink); border-bottom-color: var(--accent); }
.nav .btn { color: #fff; padding: 11px 24px; border: 1px solid var(--accent); }
.nav .btn:hover { color: #fff; border-color: var(--accent-dk); }

.nav-toggle {
  display: none;
  background: none; border: 0; padding: 8px; cursor: pointer;
  color: var(--ink);
}
.nav-toggle svg { display: block; }

/* ---------- Hero ---------- */
.hero { padding: clamp(72px, 11vw, 140px) 0 clamp(56px, 8vw, 96px); }
.hero h1 { max-width: 19ch; }
.hero .lede { max-width: 56ch; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.page-head {
  padding: clamp(56px, 8vw, 96px) 0 clamp(32px, 4vw, 48px);
  border-bottom: 1px solid var(--rule);
}
.page-head h1 { margin-bottom: 0.4em; }
.page-head .lede { max-width: 62ch; margin-bottom: 0; }

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 30px 28px;
  background: var(--paper);
  transition: border-color .18s ease, transform .18s ease;
}
.card:hover { border-color: #c9d2d0; }
.card h3 { margin-bottom: 0.5em; }
.card p:last-child { margin-bottom: 0; }
.card .num {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.stat .k {
  font-family: var(--serif);
  font-size: 2.2rem;
  color: var(--ink);
  line-height: 1;
  display: block;
  margin-bottom: 8px;
}
.stat .v { font-size: 0.9rem; color: var(--ink-faint); }

/* ---------- Practice area list ---------- */
.pa-item {
  border-top: 1px solid var(--rule);
  padding: 34px 0;
  display: grid;
  grid-template-columns: 56px 0.85fr 1.5fr;
  gap: 28px;
  align-items: start;
}
.pa-item:last-child { border-bottom: 1px solid var(--rule); }
.pa-item .idx { font-family: var(--serif); color: var(--accent); font-size: 0.9rem; padding-top: 6px; }
.pa-item h3 { font-size: 1.35rem; margin: 0; }
.pa-item ul { margin: 0.9em 0 0; padding-left: 1.1em; }
.pa-item li { margin-bottom: 0.35em; }
.pa-item p:last-child { margin-bottom: 0; }

/* ---------- Team ---------- */
.person { }
.person .photo {
  aspect-ratio: 4 / 5;
  background: var(--paper-alt);
  border: 1px solid var(--rule);
  border-radius: 3px;
  margin-bottom: 16px;
  display: grid;
  place-items: center;
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 2rem;
  overflow: hidden;
}
.person .photo img { width: 100%; height: 100%; object-fit: cover; }
.person h3 { margin-bottom: 2px; font-size: 1.1rem; }
.person .role {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.person .meta { font-size: 0.88rem; color: var(--ink-faint); margin: 0; }

/* ---------- Insights ---------- */
.post {
  border-top: 1px solid var(--rule);
  padding: 30px 0;
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 28px;
}
.post:last-child { border-bottom: 1px solid var(--rule); }
.post .date { font-size: 0.85rem; color: var(--ink-faint); padding-top: 5px; }
.post h3 { margin-bottom: 0.4em; }
.post h3 a { color: var(--ink); }
.post h3 a:hover { color: var(--accent); text-decoration: none; }
.post p { margin-bottom: 0.7em; }
.tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-tint);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 12px;
}

.article-body { max-width: 720px; }
.article-body h2 { margin-top: 1.8em; }
.article-body ul, .article-body ol { padding-left: 1.2em; }
.article-body li { margin-bottom: 0.45em; }
.article-body blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--ink);
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-block { margin-bottom: 30px; }
.contact-block h3 { font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 8px; }
.contact-block p { margin-bottom: 0; color: var(--ink); }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 0.98rem;
  color: var(--ink);
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--paper);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.82rem; color: var(--ink-faint); margin-top: 14px; }

.map-embed {
  aspect-ratio: 16 / 10;
  background: var(--paper-alt);
  border: 1px solid var(--rule);
  border-radius: 3px;
  display: grid;
  place-items: center;
  color: var(--ink-faint);
  font-size: 0.9rem;
  text-align: center;
  padding: 20px;
}

/* ---------- CTA strip ---------- */
.cta {
  background: var(--ink);
  color: #cdd8d5;
  padding: clamp(52px, 7vw, 84px) 0;
}
.cta h2 { color: #fff; }
.cta p { max-width: 56ch; margin-bottom: 1.6em; }
.cta .btn { background: #fff; color: var(--ink); border-color: #fff; }
.cta .btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--paper-alt);
  border-top: 1px solid var(--rule);
  padding: 60px 0 32px;
  font-size: 0.9rem;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 36px; margin-bottom: 44px; }
.footer-grid h4 {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 14px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--ink-soft); }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--rule);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--ink-faint);
}
.footer-disclaimer {
  font-size: 0.78rem;
  color: var(--ink-faint);
  max-width: 78ch;
  margin: 0 0 22px;
  line-height: 1.6;
}

/* ---------- Disclaimer gate (BCI Rule 36) ---------- */
.gate {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(13, 27, 33, 0.72);
  display: grid;
  place-items: center;
  padding: 20px;
  overflow-y: auto;
}
.gate[hidden] { display: none; }
.gate-box {
  background: #fff;
  max-width: 620px;
  width: 100%;
  border-radius: 4px;
  padding: 40px 38px 34px;
  max-height: 92vh;
  overflow-y: auto;
}
.gate-box h2 { font-size: 1.4rem; }
.gate-box p { font-size: 0.92rem; }
.gate-box ul { font-size: 0.92rem; padding-left: 1.2em; }
.gate-box li { margin-bottom: 0.5em; }
.gate-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* ---------- Utilities ---------- */
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; }
.center { text-align: center; }
.placeholder {
  background: #fff8e1;
  border-bottom: 1px dashed #d9b95c;
  padding: 0 2px;
}
.skip-link {
  position: absolute; left: -9999px;
  background: var(--accent); color: #fff; padding: 10px 16px; z-index: 300;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .pa-item { grid-template-columns: 40px 1fr; }
  .pa-item .body { grid-column: 2; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--rule);
    padding: 8px 24px 22px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--rule); }
  .nav a.active { border-bottom-color: var(--rule); color: var(--accent); }
  .nav .btn { margin-top: 14px; text-align: center; border-bottom: 1px solid var(--accent); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; gap: 20px; }
  .post { grid-template-columns: 1fr; gap: 10px; }
  .post .date { padding-top: 0; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .gate-box { padding: 28px 22px 24px; }
  .hero-actions .btn { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}