/* ===== Mid-South Tamil Sangam — Design System ===== */
:root {
  --color-saffron: #E07C24;
  --color-saffron-light: #f4a84a;
  --color-deep-red: #8B2942;
  --color-maroon: #6B1E3C;
  --color-cream: #FBF8F3;
  --color-warm-white: #FFFDF9;
  --color-ink: #1C1917;
  --color-ink-muted: #57534E;
  --color-border: rgba(139, 41, 66, 0.15);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-warm-white);
}

a {
  color: var(--color-deep-red);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-maroon);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 253, 249, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), border-color var(--transition);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem var(--space-md) var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: flex-start;
  color: var(--color-ink);
}
.logo:hover {
  color: var(--color-deep-red);
}
.logo-img {
  display: block;
  height: 52px;
  width: auto;
  object-fit: contain;
}
.logo-tagline {
  font-size: 0.7rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 2px;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav a {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}
.nav a:hover {
  color: var(--color-deep-red);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 1px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: var(--space-md);
    background: var(--color-warm-white);
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-deep-red);
  color: var(--color-warm-white);
  border: 2px solid var(--color-deep-red);
}
.btn-primary:hover {
  background: var(--color-maroon);
  border-color: var(--color-maroon);
  color: var(--color-warm-white);
}
.btn-outline {
  background: transparent;
  color: var(--color-deep-red);
  border: 2px solid var(--color-deep-red);
}
.btn-outline:hover {
  background: var(--color-deep-red);
  color: var(--color-warm-white);
}

/* ===== Hero & Banner ===== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 80px;
  padding-bottom: var(--space-xl);
  background-color: var(--color-warm-white);
  overflow: hidden;
}

/* Banner block - gradient, texture, waves */
.banner {
  position: relative;
  width: 100%;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: var(--space-lg);
}
.banner-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    #b83a00 0%,
    #d44800 20%,
    #e85500 35%,
    #f06020 50%,
    #d44800 65%,
    #c03a00 80%,
    #a02800 100%
  );
}
.banner-texture {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  opacity: 0.15;
  mix-blend-mode: overlay;
}
.banner-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(255,180,80,0.18) 0%, transparent 70%);
}
.banner-wave {
  position: absolute;
  left: 0;
  width: 100%;
  z-index: 5;
  pointer-events: none;
}
.banner-wave-top {
  top: 0;
  height: 20px;
}
.banner-wave-bottom {
  bottom: 0;
  height: 55px;
}

/* Banner content layout - vertical centered stack */
.banner-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 44px 24px 32px;
  text-align: center;
  box-sizing: border-box;
}
.banner-content .banner-title,
.banner-content .banner-subtitle,
.banner-content .banner-nonprofit {
  width: 100%;
  max-width: 100%;
}
.banner-emblem-wrap {
  margin-bottom: 22px;
}
.banner-emblem {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #f5f0e8, #e8dfc8 40%, #d4c8a8 80%, #b8a880);
  border: 4px solid #fff8e8;
  box-shadow: 0 0 0 2px rgba(180,120,40,0.5), 0 4px 20px rgba(0,0,0,0.4), inset 0 2px 6px rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 8px;
}
.banner-emblem-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.banner-title {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
}
.banner-org-name {
  display: block;
  font-family: 'Cinzel', 'Playfair Display', serif;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  color: #fff8e8;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-shadow: 0 2px 6px rgba(0,0,0,0.55), 0 0 40px rgba(255,160,40,0.3);
  line-height: 1.1;
  text-align: center;
}
.banner-subtitle {
  margin: 10px 0 0;
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(11px, 1.25vw, 13px);
  color: rgba(255,240,190,0.88);
  letter-spacing: 1.5px;
  font-style: italic;
  text-shadow: 0 1px 4px rgba(0,0,0,0.45);
  text-align: center;
  line-height: 1.5;
  padding: 0 8px;
}
.banner-nonprofit {
  margin: 4px 0 0;
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(10px, 1.1vw, 12px);
  color: rgba(255,220,155,0.75);
  letter-spacing: 1px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
  text-align: center;
  line-height: 1.4;
  padding: 0 8px;
}

@media (max-width: 600px) {
  .banner-content {
    padding: 36px 20px 28px;
  }
  .banner-emblem {
    width: 90px;
    height: 90px;
    padding: 6px;
  }
  .banner-emblem-wrap {
    margin-bottom: 18px;
  }
}

/* Hero content below banner - aligned with banner */
.hero-content {
  position: relative;
  width: 100%;
  max-width: 560px;
  text-align: center;
  margin: 0 auto;
  box-sizing: border-box;
}
.hero-content-below {
  padding: var(--space-lg) 24px var(--space-md);
  background: var(--color-warm-white);
  width: 100%;
}
.hero-content-below .hero-subtitle {
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.hero-label {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-ink);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-lg);
  line-height: 1.65;
  text-align: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  align-items: center;
  width: 100%;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-deep-red), transparent);
  border-radius: 1px;
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Sections ===== */
.section {
  padding: var(--space-2xl) 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 var(--space-md);
  text-align: center;
}

.section-intro {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  text-align: center;
  color: var(--color-ink-muted);
  font-size: 1.0625rem;
}

/* ===== Mission ===== */
.mission {
  background: var(--color-warm-white);
}

.mission-list {
  list-style: none;
  padding: 0;
  margin: 0 auto var(--space-lg);
  max-width: 560px;
}
.mission-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: var(--space-sm);
}
.mission-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--color-saffron);
  border-radius: 50%;
}
.mission-cta {
  text-align: center;
}

/* ===== Events / Cards ===== */
.events {
  background: var(--color-cream);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.card {
  background: var(--color-warm-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: 0 12px 40px rgba(139, 41, 66, 0.08);
  transform: translateY(-2px);
}
.card-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
  color: var(--color-ink);
}
.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
}

/* ===== Tamil School ===== */
.tamil-school {
  background: var(--color-warm-white);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
@media (max-width: 768px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.split-content .section-title {
  text-align: left;
}
.split-content p {
  color: var(--color-ink-muted);
  margin-bottom: var(--space-md);
}

.split-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.visual-block {
  background: linear-gradient(145deg, var(--color-deep-red), var(--color-maroon));
  color: var(--color-warm-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  max-width: 280px;
  text-align: center;
}
.visual-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.85;
  display: block;
  margin-bottom: var(--space-xs);
}
.visual-block p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
}

/* ===== Membership ===== */
.membership {
  background: var(--color-cream);
}

.membership-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.option {
  background: var(--color-warm-white);
  padding: var(--space-md);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.option h4 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  margin: 0 0 var(--space-xs);
  color: var(--color-deep-red);
}
.option p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

.membership-note {
  margin-bottom: var(--space-md);
  color: var(--color-ink-muted);
  text-align: center;
}
.membership .btn {
  display: block;
  margin: 0 auto;
  width: fit-content;
}

/* ===== Contact ===== */
.contact {
  background: var(--color-warm-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.contact-block h4 {
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-xs);
}
.contact-block p {
  margin: 0;
  color: var(--color-ink);
  line-height: 1.6;
}
.contact-block a {
  color: var(--color-deep-red);
  font-weight: 500;
}
.contact-footer {
  text-align: center;
  color: var(--color-ink-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-ink);
  color: var(--color-cream);
  padding: var(--space-lg) 0;
}
.footer a {
  color: var(--color-saffron-light);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.footer-logo-img {
  height: 44px;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}
.footer-brand .logo-tagline {
  font-size: 0.6875rem;
  color: rgba(255, 253, 249, 0.7);
  margin-top: 2px;
}
.footer-legal {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(255, 253, 249, 0.7);
}

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}