:root {
  --bg: #050609;
  --bg-2: #09100e;
  --panel: rgba(11, 16, 20, 0.82);
  --panel-strong: rgba(13, 22, 25, 0.94);
  --line: rgba(147, 255, 224, 0.2);
  --line-warm: rgba(255, 165, 57, 0.24);
  --text: #fff6e6;
  --muted: #c9c2d6;
  --faint: #89879a;
  --saffron: #ff9a28;
  --green: #21e475;
  --cyan: #1ce8ff;
  --violet: #a94cff;
  --radius: 8px;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.52);
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 2%, rgba(255, 154, 40, 0.2), transparent 29rem),
    radial-gradient(circle at 92% 14%, rgba(33, 228, 117, 0.16), transparent 28rem),
    linear-gradient(180deg, #030407 0%, #07100d 46%, #050609 100%);
  color: var(--text);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.75), transparent 65%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { color: var(--muted); line-height: 1.72; font-size: 1.02rem; }
main { overflow: hidden; }

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(5, 7, 10, .78);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  box-shadow: 0 0 24px rgba(28, 232, 255, .2);
}

.brand span {
  display: block;
  font-weight: 900;
  font-size: 1.2rem;
}

.brand small {
  display: block;
  color: var(--faint);
  font-weight: 700;
  font-size: .72rem;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
}

.nav-links a {
  padding: 11px 13px;
  border-radius: var(--radius);
  color: #ebe7f3;
  font-weight: 760;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(28, 232, 255, .1);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(28, 232, 255, .22);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  border-radius: var(--radius);
}

.hero {
  position: relative;
  padding: 56px 0 42px;
}

.hero-grid {
  min-height: 610px;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 28px;
  align-items: stretch;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding: 38px 0 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  color: var(--cyan);
  font-size: .78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1, h2, h3 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.05;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.8rem);
  max-width: 780px;
}

h2 {
  font-size: clamp(2rem, 4.6vw, 4.2rem);
}

h3 { font-size: 1.18rem; }

.hero-copy p {
  font-size: 1.22rem;
  max-width: 620px;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-weight: 900;
  border: 1px solid rgba(255,255,255,.12);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(28, 232, 255, .45);
}

.button.primary {
  background: linear-gradient(135deg, var(--saffron), #ffe7b4 48%, var(--green));
  color: #080907;
  box-shadow: 0 18px 42px rgba(255, 154, 40, .18);
}

.button.ghost {
  background: rgba(255,255,255,.04);
  color: var(--text);
}

.hero-art {
  min-height: 610px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--line-warm);
  box-shadow: var(--shadow);
  background: #050609;
}

.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,6,9,.18), transparent 48%), linear-gradient(0deg, rgba(5,6,9,.46), transparent 36%);
}

.status-strip {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.status-strip span {
  padding: 13px 12px;
  border-radius: 8px;
  background: rgba(5, 8, 11, .72);
  border: 1px solid rgba(255,255,255,.12);
  color: #fdf7e8;
  font-weight: 860;
  text-align: center;
  backdrop-filter: blur(10px);
}

.section {
  padding: 58px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: .92fr 1fr;
  gap: 30px;
  align-items: end;
  margin-bottom: 28px;
}

.section-heading p { margin: 0; }

.tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.tile, .panel, .question, .legal-card, .post-card {
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.09);
  box-shadow: 0 20px 50px rgba(0,0,0,.22);
}

.tile {
  min-height: 230px;
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,154,40,.16), transparent 42%, rgba(33,228,117,.12));
  opacity: .8;
}

.tile > * { position: relative; z-index: 1; }
.tile b {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: rgba(28, 232, 255, .1);
  border: 1px solid rgba(28, 232, 255, .25);
  margin-bottom: 36px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.panel {
  padding: 28px;
}

.pulse-panel {
  min-height: 430px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 10%, rgba(169,76,255,.22), transparent 24rem),
    radial-gradient(circle at 15% 90%, rgba(33,228,117,.14), transparent 22rem),
    rgba(8,12,15,.92);
}

.number-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 24px;
}

.number-board button {
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text);
  background: rgba(255,255,255,.04);
  font-weight: 900;
  font-size: 1.2rem;
}

.number-board button.active {
  color: #07100d;
  background: linear-gradient(135deg, var(--saffron), #fff4ce, var(--green));
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 12px;
}

.check-list li {
  padding: 14px 14px 14px 42px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.09);
  background: rgba(255,255,255,.035);
  position: relative;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
}

.question-list {
  display: grid;
  gap: 12px;
}

details.question {
  padding: 0;
  overflow: hidden;
}

details summary {
  cursor: pointer;
  padding: 19px 22px;
  font-weight: 900;
  list-style: none;
}

details summary::-webkit-details-marker { display: none; }
details p { margin: 0; padding: 0 22px 22px; }

.subhero {
  padding: 72px 0 34px;
}

.subhero-inner {
  min-height: 360px;
  border-radius: 8px;
  padding: 42px;
  display: grid;
  align-content: end;
  background:
    linear-gradient(90deg, rgba(5,6,9,.92), rgba(5,6,9,.38)),
    url("assets/images/tiranga-hero.png") center / cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.subhero h1 { font-size: clamp(2.8rem, 6vw, 5.8rem); }
.subhero p { max-width: 780px; font-size: 1.15rem; }

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.content-card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.09);
  background: rgba(11,16,20,.82);
}

.content-card strong {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--cyan);
}

.wide-card {
  grid-column: 1 / -1;
}

.legal-card {
  padding: 26px;
}

.legal-card h2 { font-size: 1.8rem; margin-top: 20px; }
.legal-card h2:first-child { margin-top: 0; }

.contact-box {
  display: grid;
  grid-template-columns: 1fr .8fr;
  gap: 18px;
}

.site-footer {
  margin-top: 56px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(4,5,8,.72);
}

.footer-inner {
  padding: 34px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  color: var(--muted);
}

.copyright {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  color: var(--faint);
  text-align: center;
  font-size: .92rem;
}

@media (max-width: 980px) {
  .shell { width: min(100% - 28px, 760px); }
  .menu-button { display: inline-grid; place-items: center; }
  .nav { min-height: 74px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 74px;
    left: 14px;
    right: 14px;
    padding: 12px;
    border-radius: 8px;
    background: rgba(7, 10, 13, .96);
    border: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .hero-grid,
  .split,
  .section-heading,
  .content-grid,
  .contact-box,
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .hero-grid { min-height: auto; }
  .hero-copy { padding: 20px 0 8px; }
  .hero-art { min-height: 420px; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 20px, 520px); }
  h1 { font-size: clamp(2.55rem, 15vw, 4.2rem); }
  h2 { font-size: clamp(2rem, 10vw, 3rem); }
  .hero { padding-top: 30px; }
  .hero-art { min-height: 330px; }
  .status-strip { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr; }
  .subhero-inner { padding: 28px; min-height: 320px; }
  .panel { padding: 22px; }
  .number-board { gap: 7px; }
}