/* ==========================================================================
   Koundinya Constructions — store design system
   Palette: concrete greys + structural teal (carried from original #009688)
   Display: Archivo (condensed, industrial).  Body: Mulish (from original).
   ========================================================================== */

:root {
  --ink:        #14181b;   /* near-black, like wet cement */
  --slate:      #3a4248;
  --steel:      #6b7782;
  --line:       #e2e5e8;
  --mist:       #f4f6f7;
  --paper:      #ffffff;
  --teal:       #009688;   /* structural accent, from original brand */
  --teal-deep:  #00756a;
  --amber:      #e8893a;   /* tags / pending */
  --red:        #d04a4a;   /* from original info-delivery bar */
  --green:      #2e9e6b;
  --shadow:     0 1px 2px rgba(20,24,27,.06), 0 8px 24px rgba(20,24,27,.06);
  --radius:     10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Mulish", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--mist);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display {
  font-family: "Archivo", "Arial Narrow", sans-serif;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.05;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; }
img { display: block; }

/* ---- top bar ------------------------------------------------------------ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--ink);
  color: #fff;
  border-bottom: 3px solid var(--teal);
}
.topbar-inner {
  max-width: 1240px; margin: 0 auto;
  display: flex; align-items: center; gap: 22px;
  padding: 14px 24px;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand .mark {
  font-family: "Archivo", sans-serif; font-weight: 800;
  font-size: 20px; letter-spacing: -.02em;
}
.brand .mark b { color: var(--teal); }
.brand .sub {
  font-size: 11px; text-transform: uppercase; letter-spacing: .18em;
  color: #9aa6ad;
}
.nav { display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  font-size: 13px; font-weight: 700;
  padding: 8px 14px; border-radius: 999px;
  color: #c5cdd2;
  text-transform: uppercase; letter-spacing: .04em;
  transition: background .15s, color .15s;
}
.nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav a.active { color: var(--ink); background: var(--teal); }
.nav a.nav-site {
  border: 1.5px solid var(--teal); color: var(--teal);
  font-weight: 800;
}
.nav a.nav-site:hover { background: var(--teal); color: var(--ink); }

.cart-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal); color: var(--ink);
  font-weight: 800; font-size: 13px;
  padding: 8px 14px; border-radius: 999px;
}
.cart-pill .count {
  background: var(--ink); color: #fff;
  min-width: 20px; height: 20px; padding: 0 6px;
  border-radius: 999px; font-size: 12px;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ---- layout shell ------------------------------------------------------- */
.wrap { max-width: 1240px; margin: 0 auto; padding: 28px 24px 80px; }

.page-head { margin-bottom: 24px; }
.eyebrow {
  font-size: 12px; font-weight: 800; text-transform: uppercase;
  letter-spacing: .2em; color: var(--teal-deep);
}
.page-head h1 { font-size: clamp(30px, 5vw, 46px); margin-top: 6px; }
.page-head p { color: var(--steel); margin-top: 8px; max-width: 62ch; }

/* ---- buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 800; font-size: 14px;
  padding: 11px 18px; border-radius: var(--radius);
  background: var(--ink); color: #fff;
  transition: transform .12s, background .15s, box-shadow .15s;
}
.btn:hover { background: #000; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-teal { background: var(--teal); color: var(--ink); }
.btn-teal:hover { background: var(--teal-deep); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { background: var(--mist); border-color: var(--steel); }
.btn-wa { background: #25d366; color: #08361b; }
.btn-wa:hover { background: #1ebe5a; color: #052711; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ---- cards / surfaces --------------------------------------------------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.tag {
  display: inline-block; font-size: 11px; font-weight: 800;
  text-transform: uppercase; letter-spacing: .05em;
  padding: 3px 9px; border-radius: 999px;
}
.tag-teal  { background: #d8f1ee; color: var(--teal-deep); }
.tag-amber { background: #fbe7d3; color: #a85b1d; }
.tag-red   { background: #f8dada; color: #9c2c2c; }
.tag-green { background: #d6f0e2; color: #1f7a4f; }
.tag-grey  { background: var(--mist); color: var(--slate); }

.field label {
  display: block; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em;
  color: var(--slate); margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: 14px;
  padding: 11px 13px; border: 1.5px solid var(--line);
  border-radius: 8px; background: var(--paper); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,150,136,.15);
}
.field + .field { margin-top: 14px; }

.muted { color: var(--steel); }
.right { text-align: right; }
.rupee::before { content: "₹"; margin-right: 1px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 14px; font-size: 14px; }
th {
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--steel); border-bottom: 1.5px solid var(--line);
}
tbody tr { border-bottom: 1px solid var(--line); }
tbody tr:last-child { border-bottom: 0; }

.empty {
  text-align: center; padding: 64px 24px; color: var(--steel);
}
.empty h3 { color: var(--ink); margin-bottom: 6px; }

/* ---- toast -------------------------------------------------------------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: #fff; font-weight: 700; font-size: 14px;
  padding: 12px 20px; border-radius: 999px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: .25s; z-index: 200;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Responsive: tablet ─────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .topbar-inner { padding: 12px 16px; gap: 12px; flex-wrap: wrap; }
  .brand .sub { display: none; }
  .wrap { padding: 22px 16px 64px; }
  .page-head h1 { font-size: clamp(26px, 6vw, 38px); }
  table { font-size: 13px; }
  th, td { padding: 10px 10px; }
}

/* ── Responsive: phones ─────────────────────────────────────────────────── */
@media (max-width: 560px) {
  .topbar-inner { gap: 8px; }
  .brand .mark { font-size: 17px; }
  .nav { width: 100%; gap: 4px; margin-left: 0; justify-content: flex-start; }
  .nav a { padding: 7px 11px; font-size: 12px; }
  .cart-pill { margin-left: auto; }

  .wrap { padding: 18px 14px 56px; }
  .page-head h1 { font-size: 26px; }
  .page-head p { font-size: 14px; }

  /* tables scroll sideways instead of squashing */
  .scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .scroll-x table { min-width: 540px; }

  .btn { padding: 10px 14px; font-size: 13px; }
  .modal { padding: 20px 16px; }
  .modal-grid { grid-template-columns: 1fr; }
}

/* Make any 2-column form grids single-column on small screens */
@media (max-width: 560px) {
  .pgrid { grid-template-columns: 1fr !important; }
  .cols, .twocol { grid-template-columns: 1fr !important; }
}

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