/* ==========================================================================
   Bharat Uday — Design System
   Navy / Amber institutional theme. No framework, no build step.
   ========================================================================== */

:root {
  --navy: #0B192C;
  --navy-800: #0F2038;
  --navy-700: #16273f;
  --navy-600: #1E3350;
  --amber: #D97706;
  --amber-light: #F0A24A;
  --terracotta: #E07A5F;
  --off-white: #F8FAFC;
  --slate: #475569;
  --slate-light: #94A3B8;
  --border-dark: rgba(248, 250, 252, 0.12);
  --border-light: rgba(11, 25, 44, 0.1);
  --success: #15803D;
  --error: #B91C1C;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-head: 'Montserrat', 'Inter', -apple-system, sans-serif;

  --max-width: 1180px;
  --radius: 6px;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

a { color: inherit; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 14px;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.22;
  margin: 0;
  color: var(--navy);
}

h2 {
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.35rem);
  letter-spacing: -0.01em;
}

p { margin: 0; }

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head p {
  margin-top: 14px;
  color: var(--slate);
  font-size: 1.05rem;
}

section { padding: 88px 0; }
section[id] { scroll-margin-top: 96px; } /* clears the 76px sticky header on anchor-scroll (nav links, hero CTA) */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--amber);
  color: var(--navy);
}
.btn-primary:hover { background: var(--amber-light); }

.btn-outline {
  background: transparent;
  color: var(--off-white);
  border-color: var(--border-dark);
}
.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber-light);
}

.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--border-light);
}
.btn-outline-dark:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--amber);
  color: var(--navy);
  padding: 12px 20px;
  z-index: 1000;
  font-family: var(--font-head);
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(11, 25, 44, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-dark);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--off-white);
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 22%;
  object-fit: cover;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--off-white);
}

.brand-sub {
  font-size: 0.68rem;
  color: var(--slate-light);
  letter-spacing: 0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-family: var(--font-head);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--slate-light);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--off-white); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  overflow: hidden;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
}

.lang-switch a {
  padding: 7px 13px;
  text-decoration: none;
  color: var(--slate-light);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.lang-switch a[aria-current="true"] {
  background: var(--amber);
  color: var(--navy);
}

.lang-switch a:not([aria-current="true"]):hover {
  color: var(--off-white);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  color: var(--off-white);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--navy);
  color: var(--off-white);
  overflow: hidden;
  padding: 108px 0 96px;
}

.hero-canvas-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}

#mesh-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 55% at 50% 0%, transparent 0%, var(--navy) 78%);
  z-index: 1;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-inner {
  max-width: 780px;
}

.hero h1 {
  font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.4rem);
  color: var(--off-white);
  letter-spacing: -0.01em;
}

.hero h1 .accent { color: var(--amber-light); }

.hero-sub {
  margin-top: 22px;
  font-size: 1.15rem;
  color: var(--slate-light);
  max-width: 640px;
  line-height: 1.65;
}

.hero-ctas {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-meta {
  margin-top: 64px;
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border-dark);
  max-width: 780px;
}

.hero-meta-item {
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate-light);
}

.hero-meta-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--off-white);
  letter-spacing: 0.01em;
  text-transform: none;
  margin-top: 4px;
  font-weight: 600;
}

/* ---------- Capability Grid ---------- */
.capabilities {
  background: var(--off-white);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cap-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 32px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.cap-card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -16px rgba(11, 25, 44, 0.25);
}

.cap-icon {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: rgba(217, 119, 6, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.cap-icon svg { width: 24px; height: 24px; stroke: var(--amber); }

.cap-card h3 {
  font-size: 1.08rem;
  margin-bottom: 10px;
}

.cap-card p {
  color: var(--slate);
  font-size: 0.96rem;
}

/* ---------- Framework section ---------- */
.framework {
  background: var(--navy);
  color: var(--off-white);
  position: relative;
}

.framework-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.framework h2 { color: var(--off-white); }

.framework blockquote {
  margin: 28px 0 0;
  font-size: 1.12rem;
  line-height: 1.75;
  color: var(--slate-light);
  font-style: normal;
}

.framework blockquote strong { color: var(--off-white); font-weight: 600; }

.poc-card {
  margin: 48px auto 0;
  max-width: 680px;
  background: var(--navy-700);
  border: 1px solid rgba(217, 119, 6, 0.35);
  border-radius: 10px;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: left;
}

.poc-card .poc-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(217, 119, 6, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.poc-card .poc-icon svg { width: 22px; height: 22px; stroke: var(--amber-light); }

.poc-card p {
  font-size: 0.94rem;
  color: var(--slate-light);
}
.poc-card p strong { color: var(--off-white); }

/* ---------- Focus Areas Table ---------- */
.focus-areas { background: var(--off-white); }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: #fff;
}

table.matrix {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: 0.94rem;
}

table.matrix th {
  font-family: var(--font-head);
  background: var(--navy);
  color: var(--off-white);
  text-align: left;
  padding: 16px 22px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

table.matrix td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-light);
  color: var(--slate);
  vertical-align: top;
}

table.matrix tr:last-child td { border-bottom: none; }

table.matrix td:first-child {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}

table.matrix td:last-child {
  font-weight: 600;
  color: var(--amber);
  white-space: nowrap;
}

table.matrix tbody tr:hover { background: rgba(217, 119, 6, 0.04); }

/* Below ~700px the table can't fit its columns without cutting content off,
   so each row becomes a labeled card instead of a horizontally-scrolling table. */
@media (max-width: 700px) {
  .table-wrap {
    overflow-x: visible;
    border: none;
    border-radius: 0;
    background: transparent;
  }

  table.matrix {
    display: block;
    min-width: 0;
  }

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

  table.matrix tbody,
  table.matrix tr,
  table.matrix td {
    display: block;
    width: 100%;
  }

  table.matrix tr {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
  }

  table.matrix tr:last-child { margin-bottom: 0; }

  table.matrix td {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-light);
  }

  table.matrix td:first-child { padding-top: 0; }
  table.matrix td:last-child { padding-bottom: 0; border-bottom: none; }

  table.matrix td:first-child,
  table.matrix td:last-child {
    white-space: normal;
  }

  table.matrix td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-head);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--slate);
    opacity: 0.75;
    margin-bottom: 4px;
  }
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 40px; }
.contact-intro-copy { margin: 14px 0 0; color: var(--slate); font-size: 1.02rem; max-width: 440px; }

.contact-card { background: #fff; border: 1px solid var(--border-light); border-radius: 10px; padding: 32px; position: relative; overflow: hidden; }
.contact-alt { font-size: 0.88rem; color: var(--slate); margin: 0 0 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border-light); }
.contact-alt a { color: var(--amber); text-decoration: underline; }

.form-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label, .checkbox-group legend {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--navy);
  background: var(--off-white);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus-visible {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.18);
}
textarea.form-control { min-height: 110px; resize: vertical; }

.checkbox-group { border: none; margin: 0; padding: 0; }
.checkbox-options { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.checkbox-item { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--slate); font-weight: 400; }
.checkbox-item input { margin-top: 3px; accent-color: var(--amber); }

.contact-submit { width: 100%; margin-top: 8px; }
.form-status { min-height: 1.2em; margin-top: 14px; font-size: 0.88rem; }
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--error); }

.form-sent { filter: blur(5px); opacity: 0.35; pointer-events: none; user-select: none; transition: filter 0.4s ease, opacity 0.4s ease; }

.contact-success {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
  padding: 40px 32px;
  background: rgba(248, 250, 252, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.contact-success[hidden] { display: none; }
.contact-success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(21, 128, 61, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-success-icon svg { width: 26px; height: 26px; stroke: var(--success); }
.contact-success h3 { font-size: 1.15rem; }
.contact-success p { font-size: 0.92rem; color: var(--slate); max-width: 320px; }

@media (min-width: 900px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 56px; align-items: start; }
}
@media (min-width: 1080px) {
  .form-grid { grid-template-columns: 1fr 1fr; gap: 18px 20px; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-800);
  color: var(--slate-light);
  padding: 64px 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-dark);
}

.footer-brand .brand-title { color: var(--off-white); }
.footer-brand p {
  margin-top: 14px;
  max-width: 400px;
  font-size: 0.9rem;
  color: var(--slate-light);
}
.footer-brand p a { text-decoration: underline; }

.footer-contact {
  font-size: 0.9rem;
}
.footer-contact a {
  color: var(--amber-light);
  text-decoration: none;
}
.footer-contact a:hover { text-decoration: underline; }
.footer-contact .contact-line { margin-bottom: 8px; }

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 36px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.78rem;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--slate-light);
}
.badge svg { width: 14px; height: 14px; stroke: var(--amber); }
.badge svg.flag-icon { width: 20px; height: 13.3px; flex-shrink: 0; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  font-size: 0.8rem;
}

.footer-bottom .legal { max-width: 640px; color: var(--slate-light); }

.footer-lang { display: flex; gap: 6px; }
.footer-lang a {
  text-decoration: none;
  color: var(--slate-light);
  font-weight: 600;
}
.footer-lang a[aria-current="true"] { color: var(--amber-light); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cap-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border-dark);
  }

  .site-header.nav-open .main-nav a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-dark);
  }
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .hero { padding: 88px 0 72px; }
  .poc-card { flex-direction: column; text-align: center; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}