:root {
  --teal: #194047;
  --teal-deep: #112f35;
  --tint: #eef3f3;
  --ink: #1b2a2d;
  --muted: #566669;
  --line: #d6e0e0;
  --wrap: 1100px;
  --curve: 56px;
}

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

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

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Noto Sans", "Nirmala UI", "Latha", "Tamil Sangam MN", "Noto Sans Tamil", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

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

a { color: var(--teal); text-underline-offset: 3px; }
a:hover { color: var(--teal-deep); }
a:focus-visible, .btn:focus-visible {
  outline: 3px solid #5fb3b3;
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap { width: min(var(--wrap), 100% - 2.5rem); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: #fff; color: var(--teal); padding: .6rem 1rem; z-index: 10;
}
.skip:focus { left: .5rem; top: .5rem; }

.ico {
  width: 1.35rem; height: 1.35rem; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- header: teal band with curved lower edge, like the letterhead ---------- */
.masthead {
  background: var(--teal);
  color: #fff;
  padding: 1.1rem 0 calc(var(--curve) + 1.25rem);
  border-bottom-left-radius: 50% var(--curve);
  border-bottom-right-radius: 50% var(--curve);
}
.langbar { margin: 0 0 1rem; text-align: right; }
.langswitch {
  display: inline-block;
  padding: .2rem .95rem;
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: 999px;
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
}
.langswitch:hover { background: rgba(255, 255, 255, .14); color: #fff; }
.langswitch:focus-visible { outline-color: #fff; }
.masthead__in {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.brand { display: block; flex: none; width: 17.5rem; }
.brand img { display: block; width: 100%; height: auto; }

.masthead__rule {
  align-self: stretch;
  width: 1px;
  background: rgba(255, 255, 255, .45);
  margin-block: .25rem;
}

.reach {
  margin-left: auto;
  font-style: normal;
  font-size: 1rem;
  line-height: 1.55;
}
.reach__row {
  display: flex;
  gap: .85rem;
  align-items: flex-start;
  margin: 0 0 .55rem;
}
.reach__row:last-child { margin-bottom: 0; }
.reach .ico { margin-top: .22rem; }
.reach a { color: #fff; text-decoration: none; }
.reach a:hover { text-decoration: underline; color: #fff; }
.reach a:focus-visible { outline-color: #fff; }

/* ---------- hero ---------- */
.hero { padding-block: 3.25rem 3rem; }
.eyebrow {
  margin: 0 0 .6rem;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero h1 {
  margin: 0 0 .75rem;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--teal);
}
.lead {
  margin: 0 0 1.75rem;
  max-width: 36rem;
  font-size: 1.25rem;
  color: var(--muted);
}
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 0; }
.btn {
  display: inline-block;
  padding: .8rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--teal);
}
.btn--solid { background: var(--teal); color: #fff; }
.btn--solid:hover { background: var(--teal-deep); border-color: var(--teal-deep); color: #fff; }
.btn--line { background: transparent; color: var(--teal); }
.btn--line:hover { background: var(--tint); }

/* ---------- services ---------- */
.services { background: var(--tint); padding-block: 3.5rem; }
h2 {
  margin: 0 0 1.5rem;
  font-size: 1.75rem;
  line-height: 1.2;
  color: var(--teal);
}
.cards {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .cards { grid-template-columns: repeat(4, 1fr); } }
.card {
  background: #fff;
  border-top: 4px solid var(--teal);
  border-radius: 6px;
  padding: 1.5rem 1.4rem 1.6rem;
  box-shadow: 0 1px 2px rgba(17, 47, 53, .08);
}
.card h3 { margin: 0 0 .5rem; font-size: 1.2rem; color: var(--ink); }
.card p { margin: 0; color: var(--muted); }

/* ---------- encouragement tips ---------- */
.tips { padding-block: 3.5rem 1rem; }
.tips__lead { margin: 0 0 1.75rem; max-width: 40rem; font-size: 1.2rem; color: var(--muted); }
.tips__list {
  list-style: none;
  counter-reset: tip;
  margin: 0; padding: 0;
  display: grid;
  gap: 1.1rem 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 760px)  { .tips__list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .tips__list { grid-template-columns: repeat(3, 1fr); } }
.tips__list li {
  counter-increment: tip;
  position: relative;
  padding-left: 3rem;
  color: var(--muted);
}
.tips__list li::before {
  content: counter(tip);
  position: absolute; left: 0; top: .05rem;
  width: 2.1rem; height: 2.1rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--teal); color: #fff;
  font-weight: 700; font-size: .95rem;
}
.tips__list strong { display: block; color: var(--ink); }
.tips__close {
  margin: 2rem 0 0;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--teal);
}
.tips .note { margin-top: .6rem; }

/* ---------- contact ---------- */
.contact { padding-block: 3.5rem 2.5rem; }
.contact__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.contact__item .ico { display: block; color: var(--teal); width: 1.6rem; height: 1.6rem; }
.contact__item h3 { margin: .6rem 0 .2rem; font-size: 1.05rem; }
.contact__item p, .contact__item address { margin: 0; font-style: normal; color: var(--muted); }
.contact__item a { overflow-wrap: anywhere; }
.note { margin: 2.25rem 0 0; font-size: .95rem; color: var(--muted); }

/* ---------- footer: plain hairline footer, like the letterhead ---------- */
.foot { margin-top: 1.5rem; padding-block: 1.1rem 1.5rem; border-top: 1px solid var(--line); }
.foot__in {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: .875rem; color: var(--muted);
}
.foot p { margin: 0; }

/* ---------- phones ---------- */
@media (max-width: 760px) {
  :root { --curve: 32px; }
  .masthead__in { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .brand { width: 13.5rem; }
  .masthead__rule { align-self: stretch; width: auto; height: 1px; margin: 0; }
  .reach { margin-left: 0; }
  .hero { padding-block: 2.5rem 2.25rem; }
  .lead { font-size: 1.125rem; }
}

/* ---------- Tamil: taller lines, no tight tracking, no forced capitals ---------- */
:lang(ta) body, body:lang(ta) { line-height: 1.8; }
:lang(ta) .hero h1 { letter-spacing: 0; line-height: 1.25; }
:lang(ta) .eyebrow { letter-spacing: 0; text-transform: none; font-size: 1rem; }
:lang(ta) .card h3, :lang(ta) h2 { line-height: 1.4; }
/* Tamil words are long: keep two columns on wide screens so lines do not break word by word */
@media (min-width: 1040px) {
  :lang(ta) .cards { grid-template-columns: repeat(2, 1fr); }
  :lang(ta) .tips__list { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: no-preference) {
  .btn { transition: background-color .15s ease; }
}