/* ==========================================================================
   MJB Prime Vikas Samiti — Premium Static Site Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg: #F8F6F2;
  --color-card: #FFFFFF;
  --color-header: #2F2C28;
  --color-accent: #A67C52;
  --color-accent-hover: #8F6844;
  --color-accent-light: #D4B896;
  --color-border: #E7E1D7;
  --color-text: #2F2C28;
  --color-text-secondary: #6B675F;
  --color-text-inverse: #F8F6F2;
  --color-text-muted-inverse: #C9C4BC;
  --color-overlay: rgba(47, 44, 40, 0.55);

  /* Typography */
  --font-heading: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: clamp(2.25rem, 5vw, 3.5rem);
  --text-5xl: clamp(2.75rem, 6vw, 4.5rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 72rem;
  --header-height: 5rem;

  /* Effects */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(47, 44, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(47, 44, 40, 0.08);
  --shadow-lg: 0 16px 48px rgba(47, 44, 40, 0.12);
  --shadow-card-hover: 0 20px 40px rgba(47, 44, 40, 0.1);

  --transition-fast: 180ms ease;
  --transition-base: 280ms ease;
  --transition-slow: 420ms ease;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
}

p {
  margin: 0 0 var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: var(--color-card);
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-md);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: min(var(--container-max), calc(100% - var(--space-xl) * 2));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-4xl);
}

.section--compact {
  padding-block: var(--space-3xl);
}

.section--connected {
  padding-top: 0;
}

.info-panel--centered {
  max-width: 40rem;
  margin-inline: auto;
}

.section__header {
  text-align: center;
  max-width: 42rem;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background-color var(--transition-base),
    box-shadow var(--transition-base),
    backdrop-filter var(--transition-base);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: transparent;
  transition: background-color var(--transition-base);
  pointer-events: none;
}

.site-header--scrolled::before {
  background: rgba(47, 44, 40, 0.97);
  backdrop-filter: blur(12px);
}

.site-header--scrolled {
  box-shadow: var(--shadow-md);
}

.site-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: min(var(--container-max), calc(100% - var(--space-xl) * 2));
  margin-inline: auto;
}

.site-header__brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text-inverse);
}

.site-header__brand:hover {
  color: var(--color-text-inverse);
}

.site-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.1;
  margin: 0;
}

.site-header__tagline {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted-inverse);
  margin-top: 0.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.site-nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(248, 246, 242, 0.88);
  padding-block: var(--space-xs);
  transition: color var(--transition-fast);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent-light);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.site-nav__link:hover,
.site-nav__link--active {
  color: var(--color-text-inverse);
}

.site-nav__link:hover::after,
.site-nav__link--active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav__link--portal {
  padding: 0.55rem 1.15rem;
  border: 1px solid rgba(248, 246, 242, 0.35);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.site-nav__link--portal::after {
  display: none;
}

.site-nav__link--portal:hover,
.site-nav__link--portal.site-nav__link--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.site-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid rgba(248, 246, 242, 0.25);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.site-nav__toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text-inverse);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-text-inverse);
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(47, 44, 40, 0.35) 0%,
    rgba(47, 44, 40, 0.5) 45%,
    rgba(47, 44, 40, 0.75) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  width: min(48rem, calc(100% - var(--space-xl) * 2));
  padding-block: calc(var(--header-height) + var(--space-3xl)) var(--space-4xl);
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: 500;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-lg);
}

.hero__text {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: rgba(248, 246, 242, 0.92);
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

.hero--page {
  min-height: 42vh;
}

.hero--page .hero__content {
  padding-block: calc(var(--header-height) + var(--space-2xl)) var(--space-2xl);
}

.hero--page .hero__title {
  font-size: var(--text-4xl);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-text-inverse);
  box-shadow: 0 8px 24px rgba(166, 124, 82, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(248, 246, 242, 0.45);
}

.btn--outline:hover {
  background: rgba(248, 246, 242, 0.12);
  color: var(--color-text-inverse);
}

.btn--secondary {
  background: var(--color-card);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent-light);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
  background: rgba(166, 124, 82, 0.1);
  border-radius: var(--radius-md);
}

.card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.card__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-accent);
}

.card__link:hover {
  color: var(--color-accent-hover);
}

/* --------------------------------------------------------------------------
   About & Info Blocks
   -------------------------------------------------------------------------- */
.about-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-block__content p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

.about-block__highlight {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.info-panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.info-panel__list {
  list-style: none;
}

.info-panel__item {
  display: flex;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.info-panel__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-panel__item:first-child {
  padding-top: 0;
}

.info-panel__label {
  flex-shrink: 0;
  width: 6.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.info-panel__value {
  color: var(--color-text-secondary);
}

.info-panel__value a {
  text-decoration: none;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Rules Page
   -------------------------------------------------------------------------- */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.rule-card {
  display: flex;
  gap: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.rule-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.rule-card__number {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(166, 124, 82, 0.1);
  border-radius: var(--radius-md);
}

.rule-card__icon {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  padding-top: 0.35rem;
  color: var(--color-accent);
}

.rule-card__icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.rule-card__body {
  flex: 1;
  min-width: 0;
}

.rule-card__text {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Contact Page
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  height: 100%;
}

.contact-card__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.contact-card__detail {
  margin-bottom: var(--space-lg);
}

.contact-card__detail-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.contact-card__detail-value {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.contact-card__detail-value a {
  text-decoration: none;
  font-weight: 500;
}

.contact-card__address {
  font-style: normal;
}

.contact-card__message {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.75;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.qr-panel {
  text-align: center;
}

.qr-panel__frame {
  display: inline-block;
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.qr-panel__image {
  width: min(16rem, 100%);
  margin-inline: auto;
  border-radius: var(--radius-sm);
}

.qr-panel__caption {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.qr-panel__heading {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-header);
  color: var(--color-text-muted-inverse);
  padding-block: var(--space-3xl);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.site-footer__brand {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-md);
}

.site-footer__address {
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.site-footer__email a {
  color: var(--color-accent-light);
  text-decoration: none;
}

.site-footer__email a:hover {
  color: var(--color-text-inverse);
}

.site-footer__nav-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-md);
}

.site-footer__nav-list {
  list-style: none;
}

.site-footer__nav-link {
  display: inline-block;
  padding-block: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-text-muted-inverse);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__nav-link:hover {
  color: var(--color-text-inverse);
}

.site-footer__bottom {
  grid-column: 1 / -1;
  padding-top: var(--space-xl);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(248, 246, 242, 0.12);
  text-align: center;
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in--delay-1 { transition-delay: 100ms; }
.fade-in--delay-2 { transition-delay: 200ms; }
.fade-in--delay-3 { transition-delay: 300ms; }

/* --------------------------------------------------------------------------
   Responsive — Tablet (768px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid .card:last-child {
    grid-column: 1 / -1;
    max-width: 28rem;
    margin-inline: auto;
    width: 100%;
  }

  .about-block {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 4.5rem;
  }

  .section {
    padding-block: var(--space-3xl);
  }

  .site-nav__toggle {
    display: flex;
  }

  .site-nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-md);
    background: rgba(47, 44, 40, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(248, 246, 242, 0.1);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base),
      opacity var(--transition-base),
      visibility var(--transition-base);
  }

  .site-nav__list.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav__link {
    display: block;
    padding: var(--space-md);
    text-align: center;
  }

  .site-nav__link--portal {
    margin-top: var(--space-sm);
  }

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

  .card-grid .card:last-child {
    grid-column: auto;
    max-width: none;
  }

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

  .site-footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero {
    min-height: 85vh;
  }

  .hero--page {
    min-height: 36vh;
  }
}

/* --------------------------------------------------------------------------
   Responsive — Mobile (320px)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  .container {
    width: calc(100% - var(--space-lg) * 2);
  }

  .site-header__inner {
    width: calc(100% - var(--space-lg) * 2);
  }

  .site-header__title {
    font-size: var(--text-xl);
  }

  .site-header__tagline {
    font-size: 0.65rem;
  }

  .hero__content {
    width: calc(100% - var(--space-lg) * 2);
  }

  .card,
  .contact-card,
  .rule-card {
    padding: var(--space-lg);
  }

  .rule-card {
    flex-direction: column;
    gap: var(--space-md);
  }

  .info-panel__item {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .info-panel__label {
    width: auto;
  }
}