/* Kshipra Foundation — shared site styles (light theme)
 Loaded by every page: reset, palette, nav + Events dropdown, section base, footer.
 Page-specific styles stay inline in each HTML file. */


*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #FAF8F3;              /* warm cream (light theme) */
  --bg-subtle: #F1EDE5;
  --text: #1F1B17;            /* warm near-black */
  --text-dim: #6B6356;        /* warm medium grey */
  --accent: #C47C53;          /* Kshipra Foundation copper */
  --accent-light: #A35A33;    /* deeper copper — for accent text on light */
  --rule: #E6E1D6;            /* light hairline */
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Space Grotesk', sans-serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  min-height: 100vh;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 8vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250, 248, 243, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.nav-mark {
  display: flex;
  align-items: center;
}

.nav-mark img {
  height: 2.1rem;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--text-dim);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ── NAV DROPDOWN (Events) ── */
.nav-links .has-dropdown {
  position: relative;
}

.nav-links .dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  background: none;
  border: 0;
  border-bottom: 1px solid transparent;
  padding: 0 0 2px;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--text-dim);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links .dropdown-toggle::after {
  content: "";
  width: 0.35em;
  height: 0.35em;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-0.15em) rotate(45deg);
  transition: transform 0.15s ease;
}

.nav-links .has-dropdown:hover .dropdown-toggle,
.nav-links .has-dropdown:focus-within .dropdown-toggle,
.nav-links .has-dropdown.open .dropdown-toggle {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.nav-links .has-dropdown:hover .dropdown-toggle::after,
.nav-links .has-dropdown:focus-within .dropdown-toggle::after,
.nav-links .has-dropdown.open .dropdown-toggle::after {
  transform: translateY(0.05em) rotate(-135deg);
}

.nav-links .dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 11rem;
  margin: 0;
  padding: 0.75rem 0 0;          /* hover bridge between toggle and menu */
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
}

.nav-links .has-dropdown:hover .dropdown,
.nav-links .has-dropdown:focus-within .dropdown,
.nav-links .has-dropdown.open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s;
}

.nav-links .dropdown-panel {
  background: var(--bg);
  border: 1px solid var(--rule);
}

.nav-links .dropdown a {
  display: block;
  padding: 0.75rem 1.1rem;
  border-bottom: 0;
  white-space: nowrap;
}

.nav-links .dropdown a:hover,
.nav-links .dropdown a:focus-visible {
  color: var(--text);
  background: var(--bg-subtle);
  border-left: 2px solid var(--accent);
  padding-left: calc(1.1rem - 2px);
}

/* ── DIVIDER ── */
.divider {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0 8vw;
}

/* ── SECTION BASE ── */
section {
  padding: 6rem 8vw;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 3rem;
}

/* ── FOOTER ── */
footer {
  padding: 2rem 8vw;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

footer .foot-tagline {
  color: var(--accent-light);
}

/* ── RESPONSIVE (shared) ── */
@media (max-width: 768px) {
  nav {
    padding: 1.25rem 5vw;
  }

  .nav-links {
    gap: 1.5rem;
  }

  section {
    padding: 4rem 5vw;
  }

  .divider {
    margin: 0 5vw;
  }

  footer {
    padding: 1.5rem 5vw;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .nav-links {
    font-size: 0.65rem;
    gap: 1rem;
  }
}