:root {
  --ink: #191323;
  --muted: #66566c;
  --cream: #fff8e8;
  --paper: #fffdf7;
  --saffron: #ff9f1c;
  --turmeric: #ffd23f;
  --vermilion: #d62828;
  --lotus: #e84a9b;
  --teal: #087f8c;
  --leaf: #2a9d8f;
  --indigo: #2b1b72;
  --shadow: 0 22px 60px rgba(43, 27, 114, .16);
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 210, 63, .28), transparent 26rem),
    radial-gradient(circle at 90% 8%, rgba(232, 74, 155, .16), transparent 22rem),
    var(--cream);
}
a { color: inherit; text-decoration: none; }

.site-header { position: sticky; top: 0; z-index: 20; box-shadow: 0 10px 30px rgba(25, 19, 35, .12); }
.top-line {
  padding: 8px 18px;
  text-align: center;
  color: #fff;
  background: linear-gradient(90deg, var(--vermilion), var(--lotus), var(--teal));
  font: 700 .82rem "Anek Tamil", sans-serif;
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 253, 247, .92);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 235px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(from 160deg, var(--saffron), var(--lotus), var(--teal), var(--turmeric), var(--saffron));
  color: #fff;
  font: 800 1.4rem "Anek Tamil", sans-serif;
  box-shadow: 0 10px 24px rgba(214, 40, 40, .22);
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: .98rem; }
.brand small { color: var(--muted); font: 600 .82rem "Anek Tamil", sans-serif; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 11px;
  border-radius: 999px;
  color: #3b2d44;
  font-size: .9rem;
  font-weight: 700;
}
.nav-links a:hover, .nav-links a.active { background: #ffe7a2; color: #6c220d; }
.menu-button { display: none; flex-direction: column; gap: 5px; border: 0; background: transparent; }
.menu-button span { width: 26px; height: 3px; border-radius: 4px; background: var(--indigo); }

.hero {
  position: relative;
  min-height: calc(100vh - 102px);
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: 0;
  background: url("assets/ats-hero.png") center right / cover no-repeat;
  transform: scale(1.02);
  z-index: -3;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(25, 19, 35, .92) 0%, rgba(25, 19, 35, .72) 42%, rgba(25, 19, 35, .16) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, .14), rgba(0, 0, 0, .08));
  z-index: -2;
}
.hero-content {
  max-width: 720px;
  padding: 88px clamp(20px, 6vw, 76px);
  color: #fff;
}
.eyebrow, .label {
  margin: 0 0 14px;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .76rem;
  font-weight: 800;
}
.hero .eyebrow { color: #ffe58a; }
.hero h1 { margin: 0; line-height: .98; font-size: clamp(3.15rem, 7vw, 6.8rem); letter-spacing: 0; }
.hero h1 span { display: block; }
.hero h1 .tamil {
  margin-bottom: 16px;
  color: var(--turmeric);
  font-family: "Anek Tamil", sans-serif;
  font-size: clamp(2.4rem, 5vw, 5.1rem);
}
.hero-copy { max-width: 610px; color: rgba(255,255,255,.86); font-size: clamp(1.04rem, 1.6vw, 1.24rem); line-height: 1.75; }
.hero-kural {
  max-width: 610px;
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 5px solid var(--turmeric);
  background: rgba(255, 255, 255, .12);
  backdrop-filter: blur(12px);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.hero-kural strong { display: block; font: 700 1.12rem "Anek Tamil", sans-serif; color: #fff1a8; }
.hero-kural span { display: block; margin-top: 8px; color: rgba(255,255,255,.78); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 22px;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}
.button.primary { background: linear-gradient(135deg, var(--turmeric), var(--saffron)); color: #321500; box-shadow: 0 14px 34px rgba(255, 159, 28, .32); }
.button.secondary { border: 2px solid rgba(255,255,255,.64); color: #fff; background: rgba(255,255,255,.08); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--indigo);
}
.stats div { padding: 28px 18px; text-align: center; color: #fff; background: rgba(255,255,255,.06); }
.stats strong { display: block; color: var(--turmeric); font-size: clamp(1.8rem, 4vw, 3rem); }
.stats span { color: rgba(255,255,255,.74); font-weight: 700; }

.section { padding: clamp(64px, 8vw, 108px) clamp(20px, 5vw, 70px); }
.section-heading { max-width: 780px; margin-bottom: 34px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section h2 { margin: 0; font-size: clamp(2rem, 4vw, 4rem); line-height: 1.05; letter-spacing: 0; }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .7fr); gap: 36px; align-items: start; max-width: 1160px; margin: auto; }
.intro article { font-size: 1.16rem; line-height: 1.9; color: #423249; }
.quote-card, .form-card, .contact-card, .valluvar-panel {
  background: rgba(255, 253, 247, .9);
  border: 1px solid rgba(255, 159, 28, .32);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.quote-card { padding: 30px; }
.quote-card span { color: var(--vermilion); font-weight: 800; }
.quote-card strong { display: block; margin: 14px 0; font: 700 1.35rem/1.75 "Anek Tamil", sans-serif; }
.quote-card p { color: var(--muted); line-height: 1.7; }

.culture-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 36px;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(214, 40, 40, .94), rgba(43, 27, 114, .94)),
    repeating-linear-gradient(45deg, transparent, transparent 16px, rgba(255,255,255,.06) 17px, transparent 18px);
}
.culture-copy { max-width: 820px; }
.culture-copy .label { color: #ffe58a; }
.culture-copy p:not(.label) { max-width: 720px; color: rgba(255,255,255,.84); font-size: 1.1rem; line-height: 1.8; }
.valluvar-panel { padding: 28px; color: var(--ink); text-align: center; }
.valluvar-icon { display: grid; place-items: center; width: 108px; margin: 0 auto 14px; aspect-ratio: 1; border-radius: 50%; background: #ffe7a2; font: 800 3rem "Anek Tamil", sans-serif; color: var(--vermilion); }

.card-grid { display: grid; gap: 24px; max-width: 1160px; margin: auto; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.feature-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  border-top: 7px solid;
}
.feature-card span { font-size: 2.5rem; }
.feature-card h3 { font-size: 1.35rem; margin-bottom: 10px; }
.feature-card p { color: var(--muted); line-height: 1.75; }
.feature-card.saffron { border-color: var(--saffron); }
.feature-card.teal { border-color: var(--teal); }
.feature-card.pink { border-color: var(--lotus); }

.events { background: #fff0bf; }
.event-list { display: grid; gap: 18px; max-width: 1030px; }
.event-card { display: grid; grid-template-columns: 92px 1fr; gap: 20px; padding: 22px; background: #fff; border-radius: var(--radius); box-shadow: 0 12px 34px rgba(43, 27, 114, .1); }
.event-card time { display: grid; place-items: center; border-radius: var(--radius); background: var(--indigo); color: #fff; }
.event-card time strong { color: var(--turmeric); font-size: 2.2rem; line-height: 1; }
.event-card time span { text-transform: uppercase; font-weight: 800; }
.event-card h3 { margin: 0 0 8px; }
.event-card p { margin: 0; color: var(--muted); line-height: 1.65; }

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; max-width: 1160px; margin: auto; }
.gallery figure { margin: 0; overflow: hidden; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.gallery div { display: grid; place-items: center; min-height: 210px; color: #fff; font: 800 2.4rem "Anek Tamil", sans-serif; background: linear-gradient(135deg, var(--vermilion), var(--saffron), var(--teal)); }
.gallery figcaption { padding: 14px 16px; font-weight: 800; }

.volunteer { background: #e7fbf7; }
.volunteer-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; max-width: 1160px; align-items: start; }
.roles { display: flex; flex-wrap: wrap; gap: 12px; }
.roles span { padding: 12px 15px; border-radius: 999px; color: #063f43; background: #fff; border: 1px solid rgba(8,127,140,.22); font-weight: 800; }
.form-card { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 24px; }
label { display: grid; gap: 7px; font-weight: 800; color: #49364f; }
input, select, textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(43, 27, 114, .2);
  border-radius: var(--radius);
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}
textarea { min-height: 110px; resize: vertical; }
.wide { grid-column: 1 / -1; }
.form-card button { justify-self: start; }

.contact { background: linear-gradient(135deg, var(--indigo), #10122f); }
.contact-card { display: grid; grid-template-columns: 1fr .85fr; gap: 28px; max-width: 1120px; margin: auto; padding: 34px; color: #fff; background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.22); }
.contact-card .label { color: #ffe58a; }
.contact-card p { color: rgba(255,255,255,.82); line-height: 1.75; }
.contact-details { display: grid; gap: 12px; align-content: center; }
.contact-details a { padding: 13px 16px; border-radius: var(--radius); background: rgba(255,255,255,.12); font-weight: 800; }

.footer { padding: 34px 20px; text-align: center; color: #fff; background: #120c1f; }
.footer strong { display: block; margin-bottom: 8px; color: var(--turmeric); }
.footer p { margin: 0 0 8px; font-family: "Anek Tamil", sans-serif; }
.footer span { color: rgba(255,255,255,.62); }
.toast { position: fixed; right: 18px; bottom: 18px; z-index: 30; padding: 13px 16px; border-radius: var(--radius); background: var(--indigo); color: #fff; box-shadow: var(--shadow); opacity: 0; transform: translateY(12px); transition: .25s ease; }
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 920px) {
  .menu-button { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 18px 20px;
    background: var(--paper);
    border-top: 1px solid rgba(43, 27, 114, .12);
  }
  .nav-links.open { display: flex; }
  .nav-links a { text-align: center; }
  .hero { min-height: auto; }
  .hero-overlay { background: linear-gradient(90deg, rgba(25, 19, 35, .94), rgba(25, 19, 35, .62)); }
  .stats, .card-grid.three, .gallery { grid-template-columns: repeat(2, 1fr); }
  .intro-grid, .culture-band, .volunteer-layout, .contact-card { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .brand { min-width: 0; }
  .brand strong { font-size: .88rem; }
  .brand small { font-size: .74rem; }
  .hero-content { padding: 58px 20px; }
  .hero h1 { font-size: 3.1rem; }
  .hero h1 .tamil { font-size: 2.28rem; }
  .stats, .card-grid.three, .gallery, .form-card { grid-template-columns: 1fr; }
  .event-card { grid-template-columns: 1fr; }
  .event-card time { width: 92px; height: 92px; }
}