:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #172033;
  --muted: #596276;
  --accent: #1b5cf5;
  --accent-dark: #103d9e;
  --border: #dce4f0;
  --shadow: 0 16px 40px rgba(17, 25, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Noto Sans Tamil', 'Lohit Tamil', 'Arial Unicode MS', sans-serif;
  background: linear-gradient(180deg, #f8faff 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.7;
}

img {
  max-width: 100%;
}

.container {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--accent-dark);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.8rem;
  background: linear-gradient(135deg, var(--accent) 0%, #5d8dff 100%);
  color: #fff;
  box-shadow: 0 6px 14px rgba(27, 92, 245, 0.16);
  flex-shrink: 0;
}

.brand-mark svg {
  width: 1rem;
  height: 1rem;
}

.brand-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand-tag {
  font-size: 0.58rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 0.1rem;
}

.brand-footer {
  padding: 0.2rem 0;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.top-nav a.active,
.top-nav a:hover {
  color: var(--accent);
}

.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.45rem 0.8rem;
  font: inherit;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--accent);
  color: #fff;
}

.hero,
.page-content {
  padding: 3rem 0 2rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(27, 92, 245, 0.1);
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

h1,
h2,
h3 {
  line-height: 1.3;
}

.hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 1rem;
}

.hero p,
.page-intro p,
.info-card p,
.info-panel p {
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-secondary {
  background: #f0f4ff;
  color: var(--accent-dark);
}

.hero-card,
.info-card,
.info-panel,
.stock-card,
.modal-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.35rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.info-card {
  padding: 1.25rem;
}

.info-card a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.info-panel {
  padding: 1.35rem;
  margin-bottom: 2rem;
}

.toolbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 0 0 1.2rem;
  flex-wrap: wrap;
}

.toolbar input,
.toolbar select {
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font: inherit;
  min-width: 240px;
  background: #fff;
}

.stock-list {
  display: grid;
  gap: 1rem;
}

.stock-card {
  padding: 1rem 1.15rem;
}

.stock-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.stock-title {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stock-title strong {
  font-size: 1.02rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin-bottom: 0.8rem;
}

.metric {
  background: #f8fbff;
  border: 1px solid #eaf0fa;
  padding: 0.7rem;
  border-radius: 0.8rem;
}

.metric .label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.metric .value {
  font-weight: 700;
  color: var(--text);
}

.link-btn,
.close-btn {
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 0.95rem;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.link-btn {
  background: var(--accent);
  color: white;
}

.close-btn {
  background: #eef3ff;
  color: var(--accent-dark);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(8, 16, 32, 0.58);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  z-index: 50;
}

.modal.hidden {
  display: none;
}

.modal-content {
  width: min(720px, 100%);
  padding: 1.3rem;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  background: #fff;
}

.footer-wrap {
  padding: 1rem 0 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-wrap {
    flex-direction: column;
    gap: 0.5rem;
  }

  .toolbar input,
  .toolbar select {
    width: 100%;
    min-width: 0;
  }
}