/* Adv. Saurav Deep — chambers site
   Palette: navy / charcoal / muted gold / paper */
:root {
  --navy: #0f172a;
  --navy-deep: #0a1628;
  --ink: #1e293b;
  --gold: #c9a227;
  --gold-soft: #d4b45a;
  --gold-dim: rgba(201, 162, 39, 0.16);
  --paper: #f8fafc;
  --paper-warm: #f4f1ea;
  --white: #ffffff;
  --line: #e2e8f0;
  --muted: #64748b;
  --text: #1e293b;
  --text-on-dark: #e8eef6;
  --danger: #9f2d2d;
  --ok: #0f6b56;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);
  --radius: 14px;
  --header-h: 76px;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
  --max: 1120px;
  --wide: 1240px;
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font-family: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--gold);
  color: var(--navy);
  padding: 8px 14px;
  z-index: 100;
}
.skip-link:focus { left: 8px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy);
  color: var(--text-on-dark);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(0,0,0,.22); }

.header-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border: 1px solid var(--gold);
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gold);
  font-size: 15px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
}
.brand-text em {
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav > a,
.nav-group > a {
  text-decoration: none;
  font-size: 0.92rem;
  padding: 8px 11px;
  color: #dbe4f0;
  letter-spacing: 0.01em;
}
.site-nav a[aria-current="page"] { color: var(--gold); }
.site-nav a:hover { color: var(--gold-soft); }

.nav-group { position: relative; }
.nav-sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 300px;
  background: var(--navy);
  border: 1px solid rgba(201,162,39,.25);
  padding: 10px 0;
  box-shadow: var(--shadow-lg);
}
.nav-group:hover .nav-sub,
.nav-group:focus-within .nav-sub { display: block; }
.nav-sub a {
  display: block;
  padding: 8px 16px;
  text-decoration: none;
  font-size: 0.9rem;
  color: #dbe4f0;
}
.nav-sub a:hover { color: var(--gold); background: rgba(255,255,255,.03); }

.nav-cta {
  margin-left: 8px !important;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  padding: 8px 14px !important;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.75rem !important;
}
.nav-cta:hover { background: var(--gold); color: var(--navy) !important; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(201,162,39,.55);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  z-index: 60;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--gold);
}

/* Hero */
.hero {
  background: var(--navy);
  color: var(--text-on-dark);
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px 24px 80px;
}
.eyebrow {
  display: inline-block;
  color: var(--gold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.74rem;
  margin: 0 0 18px;
}
h1, h2, h3, .serif { font-family: var(--serif); font-weight: 500; }
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.05;
  margin: 0 0 12px;
  color: #f8fafc;
}
.hero .tagline {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  color: var(--gold-soft);
  margin: 0 0 18px;
  letter-spacing: 0.01em;
}
.hero .lede {
  max-width: 42rem;
  color: #c5d0de;
  font-size: 1.08rem;
  margin: 0 0 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.page-hero {
  background: var(--navy);
  color: var(--text-on-dark);
  padding: 56px 24px 48px;
}
.page-hero-inner { max-width: var(--max); margin: 0 auto; }
.page-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  margin: 0 0 10px;
  line-height: 1.12;
}
.page-hero p { margin: 0; max-width: 42rem; color: #c5d0de; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border: 1px solid transparent;
  padding: 12px 20px;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  background: transparent;
  color: inherit;
  transition: background .18s, color .18s, border-color .18s, transform .18s;
}
.btn:hover { opacity: 0.9; }
.btn-gold {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
  font-weight: 600;
}
.btn-gold:hover { background: var(--gold-soft); }
.btn-ghost {
  border-color: rgba(201,162,39,.7);
  color: var(--gold);
}
.btn-ghost:hover { background: var(--gold); color: var(--navy); }
.btn-navy {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.btn-navy:hover { background: #1e293b; }
.btn-line {
  border-color: var(--line);
  color: var(--ink);
  background: #fff;
}
.btn-line:hover { border-color: var(--gold); color: var(--navy); }

/* Layout */
.section { padding: 64px 24px; }
.section-tight { padding: 56px 24px; }
.wrap { max-width: var(--max); margin: 0 auto; }
.wrap-wide { max-width: var(--wide); margin: 0 auto; }
.section-head { max-width: 40rem; margin-bottom: 40px; }
.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0 0 10px;
  line-height: 1.15;
}
.section-head p { margin: 0; color: var(--muted); }
.kicker {
  color: var(--gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  margin: 0 0 8px;
}

.band-navy { background: var(--navy); color: var(--text-on-dark); }
.band-navy .section-head p,
.band-navy .muted { color: #9fb0c5; }
.band-warm { background: #fff; }
.band-white { background: #fff; }

/* Cards / grids */
.grid-3, .grid-2, .grid-6 { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-6 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 22px 22px;
  height: 100%;
  text-decoration: none;
  color: inherit;
  display: block;
}
a.card:hover { border-color: var(--navy); }
.card h3 {
  margin: 0 0 8px;
  font-size: 1.3rem;
  line-height: 1.25;
}
.card p { margin: 0; color: var(--muted); }
.card .more {
  display: inline-block;
  margin-top: 16px;
  color: var(--gold);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.num {
  font-family: var(--serif);
  color: var(--gold);
  font-size: 1.4rem;
  display: block;
  margin-bottom: 8px;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(201,162,39,.25);
  background: rgba(255,255,255,.03);
}
.stat { padding: 22px 24px; border-right: 1px solid rgba(201,162,39,.18); }
.stat:last-child { border-right: 0; }
.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--gold);
}
.stat span { color: #b7c3d4; font-size: 0.92rem; }

/* Lists */
.fine-list { list-style: none; padding: 0; margin: 0; }
.fine-list li {
  padding: 10px 0 10px 22px;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.fine-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  position: absolute;
  left: 0;
  top: 18px;
}

/* Split */
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.split-text h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin: 0 0 16px; }
.split-text p { color: var(--ink); }
.prose p { margin: 0 0 1em; }
.prose h2 { font-size: 1.9rem; margin: 1.6em 0 0.5em; }
.prose h3 { font-size: 1.35rem; margin: 1.4em 0 0.4em; }
.prose ul { padding-left: 1.15em; }
.prose a { color: #8a7010; }
.article { max-width: 760px; margin: 0 auto; }

/* Forms */
label {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 6px;
}
.field { margin-bottom: 16px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 1rem;
}
.field input[type="checkbox"],
.field input[type="radio"] {
  width: auto;
  padding: 0;
  flex: 0 0 auto;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(201,162,39,.45);
  border-color: var(--gold);
}
.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--muted);
}
.check input { margin-top: 4px; }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 32px;
  box-shadow: var(--shadow);
}

/* Calculator */
.calc-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 28px;
  align-items: start;
}
.calc-panel {
  background: #fff;
  border: 1px solid var(--line);
  padding: 28px;
  box-shadow: var(--shadow);
}
.calc-panel h2 {
  margin: 0 0 18px;
  font-size: 1.5rem;
}
.inline-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rate-note {
  font-size: 0.88rem;
  color: var(--muted);
  background: var(--paper-warm);
  border-left: 3px solid var(--gold);
  padding: 12px 14px;
  margin: 0 0 18px;
}
.results-hero {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.result-tile {
  background: var(--navy);
  color: #fff;
  padding: 16px 18px;
}
.result-tile span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}
.result-tile b {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
}
.result-tile.wide { grid-column: span 2; }
.legal-note {
  background: #f8fafc;
  border: 1px dashed var(--line);
  padding: 14px;
  font-size: 0.92rem;
  white-space: pre-wrap;
}
.table-wrap { overflow-x: auto; margin: 16px 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.td-right { text-align: right; white-space: nowrap; }
.actions-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.error-box {
  background: #fdecec;
  color: var(--danger);
  padding: 12px 14px;
  margin-bottom: 12px;
  font-size: 0.92rem;
}
.hidden { display: none !important; }
.disclaimer-mini {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 16px;
}

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  float: right;
  color: var(--gold);
  font-weight: 400;
  font-size: 1.2rem;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 10px 0 4px; }

/* Videos / empty */
.empty {
  border: 1px dashed var(--line);
  padding: 48px 24px;
  text-align: center;
  background: #fff;
}
.empty h2 { margin: 0 0 8px; }

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: #c5d0de;
  margin-top: 0;
  border-top: 1px solid rgba(201,162,39,.28);
}
.footer-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 40px 24px 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
}
.footer-brand { display: flex; gap: 14px; }
.footer-brand strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.3rem;
  color: #fff;
  font-weight: 500;
}
.footer-brand p { margin: 4px 0; font-size: 0.92rem; }
.footer-tagline { color: var(--gold-soft) !important; font-size: 0.85rem !important; }
.footer-col h2 {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px;
  font-weight: 600;
}
.footer-col a, .footer-col p {
  display: block;
  text-decoration: none;
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: #c5d0de;
}
.footer-col a:hover { color: var(--gold); }
.footer-base {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 24px 32px;
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 18px;
  font-size: 0.82rem;
  color: #8a97ab;
}
.bci-note { max-width: 70ch; }

.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  background: #128c7e;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(18,140,126,.35);
  font-size: 0.9rem;
  font-weight: 600;
}
.wa-float:hover { background: #0e7a6e; }

.meta-line { color: var(--muted); font-size: 0.9rem; margin-bottom: 28px; }

.success {
  background: #e8f6f1;
  border: 1px solid #b7e0d2;
  color: var(--ok);
  padding: 18px;
}

hr.gold {
  border: 0;
  border-top: 1px solid rgba(201,162,39,.35);
  margin: 28px 0;
}

@media (min-width: 981px) {
  .nav-toggle { display: none; }
}

@media (max-width: 980px) {
  .grid-3, .grid-6, .grid-2, .split, .calc-layout, .footer-inner, .stats, .results-hero, .inline-fields, .manage-layout {
    grid-template-columns: 1fr;
  }
  .stat { border-right: 0; border-bottom: 1px solid rgba(201,162,39,.18); }
  .result-tile.wide { grid-column: auto; }
  .nav-toggle {
    position: absolute;
    right: 16px;
    top: 16px;
  }
  .brand-text strong { font-size: 1rem; }
  .brand-text em { display: none; }
  .brand { min-width: 0; padding-right: 52px; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: var(--header-h);
    background: var(--navy-deep);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 24px;
    gap: 0;
    border-bottom: 1px solid rgba(201,162,39,.25);
  }
  body.nav-open .site-nav { display: flex; }
  .site-nav > a, .nav-group > a {
    padding: 12px 8px;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .nav-sub { position: static; display: block; border: 0; min-width: 0; box-shadow: none; padding: 0 0 8px 10px; }
  .nav-cta { margin: 14px 0 0 !important; text-align: center; }
  .header-inner { position: relative; }
  .hero-inner { padding: 64px 20px 56px; }
  .blog-feature { padding: 28px 22px; }
  .section { padding: 56px 20px; }
  .footer-inner { padding: 40px 20px 24px; }
  .wa-float span { display: none; }
  .wa-float { border-radius: 50%; width: 56px; height: 56px; padding: 0; justify-content: center; }
}

.manage-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 24px;
  align-items: start;
}
.article-item {
  display: block;
  width: 100%;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  border-bottom: 0;
  padding: 12px 14px;
  cursor: pointer;
  color: var(--ink);
}
.article-item:first-child { border-radius: 8px 8px 0 0; }
.article-item:last-child { border-bottom: 1px solid var(--line); border-radius: 0 0 8px 8px; }
.article-item:hover, .article-item.is-active { background: var(--paper-warm); border-color: var(--gold); }
.article-item strong { display: block; font-family: var(--serif); font-size: 1.05rem; font-weight: 500; }
.article-item span { display: block; font-size: 0.8rem; color: var(--muted); }
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 32px;
}
.blog-filters button {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.88rem;
}
.blog-filters button.is-on,
.blog-filters button:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.stack-cards { display: grid; gap: 12px; }
.stack-cards .card { box-shadow: none; }
.stack-cards .num { display: none; }

.blog-feature {
  background: var(--navy);
  color: var(--text-on-dark);
  padding: 28px 32px;
  margin-bottom: 28px;
}
.blog-feature h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin: 0 0 12px;
  color: #fff;
  line-height: 1.15;
}
.blog-feature p { color: #c5d0de; max-width: 46rem; }
.blog-feature .btn { margin-top: 8px; }

.cite-box {
  background: var(--navy);
  color: #e8eef6;
  padding: 18px 20px;
  margin: 0 0 28px;
}
.cite-box strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
  margin-bottom: 6px;
}
.cite-box div { font-size: 0.92rem; color: var(--gold-soft); }

.bci-locked { overflow: hidden; }
.bci-locked .wa-float { display: none !important; }
.bci-gate {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 16, 28, 0.94);
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: auto;
}
.bci-card {
  background: #fff;
  max-width: 640px;
  width: 100%;
  padding: 32px 28px;
  color: var(--ink);
}
.bci-card h2 {
  font-size: 1.7rem;
  margin: 0 0 12px;
}
.bci-card p { margin: 0 0 12px; font-size: 0.95rem; }
.bci-check {
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.92rem;
  color: var(--ink);
  margin: 16px 0 12px;
  align-items: flex-start;
}

@media print {
  .bci-gate { display: none !important; }
  .site-header, .site-footer, .wa-float, .nav-toggle, .hero-actions, .actions-row, .btn { display: none !important; }
  body { background: #fff; }
  .calc-layout { display: block; }
  .calc-panel { box-shadow: none; border: 0; padding: 0; }
}