/* ============================================================
   AzureCostIndia.com — Base / Shared Component CSS
   Loaded on every page, after tokens.css. Contains: reset,
   typography, accessibility baseline, header/nav system,
   buttons, pills, the receipt component, cards, footer, and
   the consulting banner. Page-specific layout (hero, calculator
   forms, scenario layouts, filter bars) stays in each page's
   own <style> block — see Reference Document §1 for the rule
   on what belongs here vs. per-page.
   ============================================================ */

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }

.container{
  width:100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ============ Accessibility ============ */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--amber-fill); color:#171208;
  padding: 10px 16px; border-radius: 0 0 8px 0;
  font-family: var(--font-mono); font-size: .85rem; font-weight:600;
  z-index: 100;
}
.skip-link:focus{ left:0; top:0; }

:focus-visible{
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ============ Header ============ */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 64px;
}
.logo{
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration:none;
  display:flex; align-items:center; gap:8px;
}
.logo-mark{ display:inline-flex; flex-shrink:0; }
.logo-mark svg{ width:1.6em; height:1.6em; display:block; }
.logo-word{ display:inline-flex; align-items:baseline; }
.logo .accent{ color: var(--mint); }
.logo .dim{ color: var(--text-muted); font-weight:400; }
.cursor-blink{
  display:inline-block; width:.5em; height:1em; background: var(--amber-fill);
  vertical-align:-0.15em; animation: blink 1.1s steps(1) infinite;
}
.logo .cursor-blink{ width:8px; height:1em; margin-left:4px; vertical-align:baseline; }
@keyframes blink{ 50%{ opacity:0; } }

.nav-toggle{
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px;
  background:none; border:1px solid var(--border); border-radius:8px;
  color: var(--text); cursor:pointer;
}
.nav-toggle svg{ width:18px; height:18px; }

.header-controls{ display:flex; align-items:center; gap:10px; }
.theme-toggle{
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px; flex-shrink:0;
  background:none; border:1px solid var(--border); border-radius:8px;
  color: var(--text); cursor:pointer;
}
.theme-toggle svg{ width:18px; height:18px; }
.theme-toggle .icon-sun,
.theme-toggle .icon-moon{ display:none; }
[data-theme="dark"] .theme-toggle .icon-sun{ display:block; }
[data-theme="light"] .theme-toggle .icon-moon{ display:block; }

.primary-nav{
  display:none;
  position:absolute; top:64px; left:0; right:0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 20px 20px;
}
.primary-nav.open{ display:block; }
.primary-nav ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:2px; }
.primary-nav a{
  display:block; padding:12px 4px; text-decoration:none;
  font-size:.95rem; color:var(--text); border-bottom:1px solid var(--border);
}
.primary-nav .nav-cta{
  margin-top:12px; display:inline-block;
  background: var(--amber-fill); color:#171208; font-weight:600;
  padding:10px 16px; border-radius:8px; text-align:center; width:100%;
}

@media (min-width:840px){
  .nav-toggle{ display:none; }
  .logo{ font-size: 1.2rem; }
  .primary-nav{
    display:block; position:static; background:none; border:0; padding:0;
  }
  .primary-nav ul{ flex-direction:row; align-items:center; gap:28px; }
  .primary-nav a{ padding:0; border-bottom:0; font-size:.92rem; color:var(--text-muted); }
  .primary-nav a:hover{ color:var(--text); }
  .primary-nav .nav-cta{ margin-top:0; width:auto; padding:9px 16px; font-size:.88rem; }
}

/* ============ Page header / breadcrumb (subpages) ============ */
.page-head{ padding-top: 32px; padding-bottom: 8px; border-top:0; }
.breadcrumb{ font-family: var(--font-mono); font-size:.78rem; color: var(--text-muted); margin:0 0 18px; }
.breadcrumb a{ text-decoration:none; color: var(--text-muted); }
.breadcrumb a:hover{ color: var(--mint); }
.breadcrumb .sep{ margin: 0 6px; }
.breadcrumb .current{ color: var(--text); }

/* ============ Section shell ============ */
section{ padding: 40px 0; border-top: 1px solid var(--border); }
.page-head + section{ padding-top:0; }
.section-head{ margin-bottom: 32px; max-width:60ch; }
.kicker{
  font-family: var(--font-mono); font-size:.75rem; letter-spacing:.08em;
  color: var(--amber); display:block; margin-bottom:10px;
}
h2{ font-size: clamp(1.3rem, 3.4vw, 1.7rem); margin: 0 0 10px; letter-spacing:-0.01em; }
.section-sub{ color: var(--text-muted); font-size:1rem; margin:0; }

/* ============ Buttons ============
   Two variants only — see Reference Document §6. .btn-lg is a
   modifier for hero-scale primary CTAs (e.g. homepage hero); the
   base .btn size is tuned for the more numerous inline/secondary
   CTAs used across subpages. */
.btn{
  font-family: var(--font-sans); font-weight:600; font-size:.92rem;
  padding: 12px 20px; border-radius: 8px; text-decoration:none;
  display:inline-flex; align-items:center; gap:8px;
  border: 1px solid transparent; cursor:pointer;
}
.btn-lg{ font-size:.95rem; padding: 13px 22px; }
.btn-primary{ background: var(--amber-fill); color:#171208; }
.btn-primary:hover{ background: var(--amber-dark); }
.btn-ghost{ background:none; border-color: var(--border); color: var(--text); }
.btn-ghost:hover{ border-color: var(--text-muted); }

/* ============ Pills (toggle-style choice groups) ============ */
.pill-group{ display:flex; gap:8px; flex-wrap:wrap; }
.pill{
  font-family: var(--font-sans); font-size:.88rem; padding:9px 16px; border-radius:999px;
  border:1px solid var(--border); background:none; color: var(--text-muted); cursor:pointer;
}
.pill[aria-pressed="true"]{ border-color: var(--mint); color: var(--text); background: var(--surface-2); }

/* ============ Receipt (signature component) ============ */
code.inline{
  font-family: var(--font-mono); background: var(--surface-2);
  padding: 2px 6px; border-radius: 4px; font-size:.9em; color: var(--amber);
}
.receipt{
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 22px 20px 26px;
  font-family: var(--font-mono);
  position: relative;
}
.receipt-title{
  display:flex; justify-content:space-between; align-items:baseline;
  font-size:.72rem; letter-spacing:.06em; color: var(--text-muted);
  border-bottom: 1px dashed var(--border); padding-bottom:12px; margin-bottom:14px;
}
.receipt-title span:last-child{ color: var(--mint); }
.line-item{ margin-bottom:12px; }
.line-item .row{ display:flex; align-items:flex-end; gap:6px; font-size:.86rem; }
.line-item .name{ white-space:nowrap; color: var(--text); }
.line-item .leader{
  flex:1; border-bottom: 1px dotted #3A4553; height:.85em; margin-bottom:3px;
}
.line-item .price{ white-space:nowrap; color: var(--text); font-weight:600; }
.line-item .meta{ font-size:.72rem; color: var(--text-muted); margin-top:2px; }

.receipt-total{
  display:flex; justify-content:space-between; align-items:center;
  border-top: 1px dashed var(--border); margin-top:16px; padding-top:14px;
}
.receipt-total .label{ font-size:.78rem; letter-spacing:.05em; color: var(--text-muted); }
.receipt-total .value{ font-size:1.5rem; font-weight:700; color: var(--amber); }

.receipt-tear{
  height:14px;
  background:
    radial-gradient(circle at 10px 0, var(--bg) 7px, transparent 7px) repeat-x;
  background-size: 20px 14px;
  margin-top:-1px;
}
.receipt-note{
  font-family: var(--font-mono); font-size:.72rem; color: var(--text-muted);
  margin-top:10px; padding-left:2px;
}
.result-cta{ margin-top:16px; display:flex; gap:10px; flex-wrap:wrap; }

/* ============ Cards ============ */
.card-grid{ display:grid; grid-template-columns: 1fr; gap:16px; }
@media (min-width:720px){ .card-grid{ grid-template-columns: repeat(3, 1fr); } }

.calc-card{
  background: var(--surface);
  border:1px solid var(--border); border-radius: var(--radius);
  padding: 24px; text-decoration:none; color:var(--text);
  display:flex; flex-direction:column; gap:10px;
  transition: border-color .15s ease, transform .15s ease;
}
.calc-card:hover{ border-color: var(--mint); transform: translateY(-2px); }
.calc-card .tag{
  font-family: var(--font-mono); font-size:.7rem; color: var(--mint);
  letter-spacing:.05em;
}
.calc-card h3{ margin:0; font-size:1.1rem; }
.calc-card p{ margin:0; color: var(--text-muted); font-size:.9rem; flex:1; }
.calc-card .go{ font-family: var(--font-mono); font-size:.82rem; color: var(--amber); }

/* ============ Long-tail SEO link index ============ */
.index-grid{
  display:grid; grid-template-columns: 1fr; gap:1px;
  background: var(--border); border:1px solid var(--border); border-radius: var(--radius);
  overflow:hidden;
}
@media (min-width:720px){ .index-grid{ grid-template-columns: 1fr 1fr; } }
.index-link{
  background: var(--surface); padding:16px 18px;
  text-decoration:none; display:flex; align-items:center; gap:10px;
  font-size:.9rem; color: var(--text);
}
.index-link:hover{ background: var(--surface-2); }
.index-link .prompt{ font-family: var(--font-mono); color: var(--amber); flex-shrink:0; }
.index-link .label{ flex:1; }
.index-link .path,
.index-link .updated{ color: var(--text-muted); font-family: var(--font-mono); font-size:.78rem; margin-left:auto; white-space:nowrap; }

/* ============ Consulting banner ============ */
.consult-banner{
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border:1px solid var(--border); border-radius: var(--radius);
  padding: 32px 24px;
  display:flex; flex-direction:column; gap:18px;
}
@media (min-width:760px){
  .consult-banner{ flex-direction:row; align-items:center; justify-content:space-between; padding:36px 40px; }
  .consult-banner .copy{ max-width: 56ch; }
}
.consult-banner h2{ margin:0 0 8px; font-size:1.4rem; }
.consult-banner p{ margin:0; color: var(--text-muted); }
.consult-banner .btn{ flex-shrink:0; }

/* ============ Footer ============ */
footer{ border-top:1px solid var(--border); padding: 56px 0 28px; }

.footer-top{
  display:grid; grid-template-columns: 1fr; gap:40px;
  padding-bottom:36px; border-bottom:1px solid var(--border);
}
@media (min-width:720px){
  .footer-top{ grid-template-columns: 1.4fr repeat(3, 1fr); gap:32px; }
}

.footer-brand-col .logo{ margin-bottom:14px; }
.footer-tagline{ color: var(--text-muted); font-size:.9rem; max-width:34ch; margin:0 0 20px; }

.footer-status{
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size:.78rem; color: var(--text-muted);
  margin:0 0 8px;
}
.status-dot{ width:7px; height:7px; border-radius:50%; background: var(--mint); flex-shrink:0; }
.footer-building{
  font-family: var(--font-mono); font-size:.78rem; color: var(--text-muted); margin:0 0 22px;
}
.footer-building .cursor-blink{ width:6px; margin-left:2px; }

.footer-social{ display:flex; gap:8px; }
.social-icon{
  display:flex; align-items:center; justify-content:center;
  width:34px; height:34px; border-radius:8px;
  border:1px solid var(--border); text-decoration:none;
  font-family: var(--font-mono); font-size:.75rem; color: var(--text-muted);
}
.social-icon:hover{ color: var(--text); border-color: var(--text-muted); }

.footer-col h3{
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.06em;
  text-transform:uppercase; color: var(--text-muted); margin:0 0 16px; font-weight:600;
}
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px; }
.footer-col a{ text-decoration:none; color: var(--text); font-size:.9rem; }
.footer-col a:hover{ color: var(--mint); }

.footer-newsletter{
  display:flex; flex-direction:column; gap:18px;
  padding:32px 0; border-bottom:1px solid var(--border);
}
.footer-newsletter h3{ margin:0 0 6px; font-size:1.05rem; }
.footer-newsletter p{ margin:0; color: var(--text-muted); font-size:.88rem; }
.newsletter-form{ display:flex; flex-direction:column; gap:10px; }
.newsletter-form input{
  font-family: var(--font-sans); font-size:.92rem;
  background: var(--surface); border:1px solid var(--border); color: var(--text);
  padding:12px 14px; border-radius:8px; width:100%;
}
.newsletter-form input:focus{ outline:none; border-color: var(--mint); }
.newsletter-form .btn{ justify-content:center; white-space:nowrap; }

@media (min-width:640px){
  .footer-newsletter{ flex-direction:row; align-items:center; justify-content:space-between; gap:24px; }
  .footer-newsletter > div{ max-width:38ch; }
  .newsletter-form{ flex-direction:row; flex-shrink:0; }
  .newsletter-form input{ width:220px; }
}

.footer-bottom{ display:flex; flex-direction:column; gap:16px; padding-top:24px; }
@media (min-width:720px){
  .footer-bottom{ flex-direction:row; align-items:center; justify-content:space-between; }
}
.footer-bottom .footer-note{ color: var(--text-muted); font-size:.8rem; max-width:56ch; margin:0; }
.back-to-top{
  font-family: var(--font-mono); font-size:.8rem; color: var(--text-muted);
  text-decoration:none; flex-shrink:0;
}
.back-to-top:hover{ color: var(--text); }

/* ============ Lead-capture forms (Phase 6) ============ */
/* Honeypot — off-screen (not display:none, so bots still fill it). */
.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.form-status{ font-family: var(--font-mono); font-size:.8rem; margin:10px 0 0; }
.form-status.is-pending{ color: var(--text-muted); }
.form-status.is-ok{ color: var(--mint); }
.form-status.is-error{ color:#E2554E; }

.form-note{
  font-family: var(--font-mono); font-size:.8rem; margin:0 0 14px;
  padding:10px 14px; border-radius:8px; border:1px solid var(--border);
}
.form-note.ok{ color: var(--mint); border-color: color-mix(in srgb, var(--mint) 40%, var(--border)); }
.form-note.err{ color:#E2554E; }

/* Estimate email capture (on the calculators) */
.estimate-email-form{ display:flex; gap:8px; margin-top:14px; flex-wrap:wrap; }
.estimate-email-form input[type="email"]{
  flex:1; min-width:180px; font-family: var(--font-sans); font-size:.9rem;
  background: var(--surface); border:1px solid var(--border); color: var(--text);
  padding:10px 12px; border-radius:8px;
}
.estimate-email-form input[type="email"]:focus{ outline:none; border-color: var(--mint); }
.estimate-email-form .btn{ white-space:nowrap; }
.estimate-email-form .form-status{ flex-basis:100%; }

/* Consulting inquiry form */
.inquiry-form{ display:flex; flex-direction:column; gap:6px; }
.inquiry-form label{ font-family: var(--font-mono); font-size:.72rem; letter-spacing:.05em; color: var(--text-muted); margin-top:8px; }
.inquiry-form input, .inquiry-form textarea{
  font-family: var(--font-sans); font-size:.95rem;
  background: var(--surface-2); border:1px solid var(--border); color: var(--text);
  padding:12px 14px; border-radius:8px; width:100%;
}
.inquiry-form textarea{ resize:vertical; min-height:96px; }
.inquiry-form input:focus, .inquiry-form textarea:focus{ outline:none; border-color: var(--mint); }
.inquiry-form button{ margin-top:16px; align-self:flex-start; }

/* ============ Content / legal pages (Phase 7) ============ */
.prose{ max-width: 72ch; }
.prose h2{ font-size: clamp(1.2rem, 3vw, 1.5rem); margin: 34px 0 10px; }
.prose h3{ font-size: 1.05rem; margin: 22px 0 8px; }
.prose p, .prose li{ color: var(--text-muted); font-size: .98rem; }
.prose p{ margin: 0 0 14px; }
.prose ul{ padding-left: 20px; margin: 0 0 14px; }
.prose li{ margin: 6px 0; }
.prose a{ color: var(--amber); text-decoration: none; }
.prose a:hover{ text-decoration: underline; }
.prose strong{ color: var(--text); }
.updated-note{ font-family: var(--font-mono); font-size:.75rem; color: var(--text-muted); margin: 0 0 28px; }