/* ==========================================================================
   Chennai Business Directory — simple sans-serif list
   ========================================================================== */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f3f4f6;

  --ink: #16181d;
  --ink-2: #42474f;
  --ink-3: #6b7280;
  --ink-4: #9ca3af;

  --line: #e5e7eb;
  --line-2: #d1d5db;

  --accent: #1d4ed8;
  --green: #16a34a;
  --green-deep: #15803d;
  --green-wash: #f0fdf4;
  --amber: #b45309;
  --amber-wash: #fffbeb;

  --radius: 8px;

  --font: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;

  --maxw: 1080px;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2 {
  margin: 0;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--accent);
}

/* .row sets display:grid, which would otherwise beat the UA [hidden] rule. */
[hidden] {
  display: none !important;
}

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

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 50;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  font-size: 0.875rem;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
}

/* ------------------------------------------------------------------ topbar */

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.topbar__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.8rem 1.25rem;
}

.topbar__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.topbar__sep {
  color: var(--line-2);
  font-weight: 400;
}

.topbar__sub {
  font-weight: 500;
  color: var(--ink-3);
}

/* ----------------------------------------------------------------- toolbar */

.toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.toolbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
}

.field {
  position: relative;
  display: flex;
  align-items: center;
}

.field--search {
  flex: 1 1 15rem;
  min-width: 11rem;
}

.field__icon {
  position: absolute;
  left: 0.7rem;
  width: 15px;
  height: 15px;
  fill: none;
  stroke: var(--ink-4);
  stroke-width: 1.7;
  stroke-linecap: round;
  pointer-events: none;
}

.field input,
.field select {
  width: 100%;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.875rem;
}

.field input {
  padding-left: 2.1rem;
}

.field input::placeholder {
  color: var(--ink-4);
}

.field input:hover,
.field select:hover {
  border-color: var(--ink-4);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(29 78 216 / 0.12);
}

.field select {
  cursor: pointer;
  appearance: none;
  padding-right: 1.9rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.7rem center;
}

.toolbar__count {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--ink-3);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.toolbar__count strong {
  color: var(--ink);
  font-weight: 600;
}

/* --------------------------------------------------------------- the list */

.directory {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.row {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  padding: 1rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.row:hover,
.row:focus-within {
  border-color: var(--line-2);
  box-shadow: 0 1px 3px rgb(16 24 40 / 0.07);
}

.row__index {
  padding-top: 0.15rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}

.row__main {
  min-width: 0;
}

.row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fff;
  object-fit: contain;
}

.logo--mono {
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: 0.8125rem;
  font-weight: 600;
}

.row__title {
  font-size: 1.0625rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--amber-wash);
  border: 1px solid #fde68a;
  color: var(--amber);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.rating svg {
  width: 11px;
  height: 11px;
  fill: currentColor;
}

.rating strong {
  font-weight: 700;
}

.rating span {
  color: #a16207;
  font-size: 0.6875rem;
}

.row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.3rem;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.row__meta li + li::before {
  content: '·';
  margin-right: 0.3rem;
  color: var(--line-2);
}

.row__cat {
  color: var(--ink-2);
  font-weight: 500;
}

.row__description {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
  margin-top: 0.45rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-2);
  overflow-wrap: anywhere;
}

.row__description.is-open {
  display: block;
  overflow: visible;
}

.row__description p,
.row__description ul,
.row__description ol {
  margin: 0.4rem 0 0;
}

.row__description ul,
.row__description ol {
  padding-left: 1.15rem;
}

.row__description ul {
  list-style: disc;
}

.row__description ol {
  list-style: decimal;
}

.row__description li {
  margin: 0.15rem 0;
}

.row__description h2,
.row__description h3,
.row__description h4 {
  margin: 0.5rem 0 0.2rem;
  font-size: 0.9375rem;
  font-weight: 600;
}

.video {
  font-weight: 500;
  white-space: nowrap;
}

.video::before {
  content: '▶';
  margin-right: 0.25em;
  font-size: 0.75em;
}

.excerpt-toggle {
  align-self: flex-start;
  margin-top: 0.3rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.excerpt-toggle:hover {
  color: var(--ink);
}

.row__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
  align-items: flex-start;
  max-width: 22rem;
}

/* ----------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink-2);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  background: var(--surface-2);
  border-color: var(--ink-4);
  color: var(--ink);
}

.btn--review {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
  font-weight: 600;
}

.btn--review:hover {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: #fff;
}

.btn--review svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

/* -------------------------------------------------------- empty / footer */

.empty {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 4rem 1rem;
  color: var(--ink-3);
  font-size: 0.9375rem;
}

.empty__reset {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink-2);
  font-family: inherit;
  font-size: 0.8125rem;
  cursor: pointer;
}

.empty__reset:hover {
  border-color: var(--ink-4);
  color: var(--ink);
}

.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.footer code {
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
  background: var(--surface-2);
  font-size: 0.75rem;
}

.footer__note {
  margin-top: 0.4rem;
  max-width: 74ch;
  color: var(--ink-4);
  font-size: 0.75rem;
}

/* ------------------------------------------------------------- responsive */

@media (max-width: 900px) {
  .row {
    grid-template-columns: 1.5rem minmax(0, 1fr);
  }

  .row__actions {
    grid-column: 2;
    justify-content: flex-start;
    max-width: none;
    margin-top: 0.35rem;
  }
}

@media (max-width: 640px) {
  .topbar__inner,
  .toolbar__inner,
  .directory,
  .footer {
    padding-inline: 1rem;
  }

  .field--search {
    flex-basis: 100%;
  }

  .field:not(.field--search) {
    flex: 1 1 8rem;
  }

  .toolbar__count {
    margin-left: 0;
    flex-basis: 100%;
  }

  .row {
    grid-template-columns: minmax(0, 1fr);
    padding: 0.9rem 1rem;
  }

  .row__index {
    display: none;
  }

  .row__actions {
    grid-column: 1;
  }

  /* The primary action spans the full row on phones, the rest share a line. */
  .btn--review {
    flex: 1 1 100%;
    justify-content: center;
  }

  /* Long, richly formatted bios are clamped so rows stay scannable. */
  .row__description {
    -webkit-line-clamp: 3;
  }
}