/* =====================================================
   IEEE RAS SMU — Main Stylesheet  (redesigned)
   Background: deep-purple radial gradient
   ===================================================== */

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

:root {
  --bg:     #08000d;
  --bg-mid: #16001f;
  --bg-ctr: #5F0180;
  --bg2:    #0e0015;
  --bg3:    #130020;
  --surface:  rgba(95,1,128,.18);
  --surface2: rgba(95,1,128,.10);
  --surface3: rgba(95,1,128,.30);
  --p:   #D97EFF;
  --pl:  #EEBFFF;
  --pd:  #A020C8;
  --pdk: #5F0180;
  --pm:  #FF6EFF;
  --glow:   rgba(217,126,255,.40);
  --glow2:  rgba(217,126,255,.14);
  --glow3:  rgba(255,110,255,.22);
  --border:  rgba(217,126,255,.22);
  --border2: rgba(217,126,255,.10);
  --border3: rgba(255,110,255,.18);
  --text:   #fff;
  --muted:  rgba(255,255,255,.62);
  --subtle: rgba(255,255,255,.32);
  --fd: 'Syne', sans-serif;
  --fb: 'Outfit', sans-serif;
  --theme-dur: .45s;
}

/* ===== LIGHT MODE VARIABLES ===== */
[data-theme="light"] {
  --bg:     #f5f0ff;
  --bg-mid: #ede4ff;
  --bg-ctr: #c084fc;
  --bg2:    #ece6ff;
  --bg3:    #f0e9ff;
  --surface:  rgba(147,51,234,.08);
  --surface2: rgba(147,51,234,.05);
  --surface3: rgba(147,51,234,.11);
  --p:   #7C22B8;
  --pl:  #5C0F9A;
  --pd:  #9333EA;
  --pdk: #7C22B8;
  --pm:  #A020C8;
  --glow:   rgba(124,34,184,.20);
  --glow2:  rgba(124,34,184,.08);
  --glow3:  rgba(160,32,200,.14);
  --border:  rgba(124,34,184,.18);
  --border2: rgba(124,34,184,.09);
  --border3: rgba(160,32,200,.15);
  --text:   #1a003a;
  --muted:  rgba(26,0,58,.60);
  --subtle: rgba(26,0,58,.35);
}

/* ===== SMOOTH THEME TRANSITIONS ===== */
*, *::before, *::after {
  transition:
    background-color var(--theme-dur) ease,
    border-color     var(--theme-dur) ease,
    color            var(--theme-dur) ease,
    box-shadow       var(--theme-dur) ease,
    fill             var(--theme-dur) ease;
}
/* exclude animation-heavy elements from the transition override */
.rv, .rvl, .rvr, .orb, .vr, .vr2, .vc, .rd, .hsl, .hbdot,
canvas, #sc, #cdot, #cring, #prog,
body::before, body::after {
  transition: opacity var(--theme-dur) ease,
              transform .3s ease,
              background-color var(--theme-dur) ease !important;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 38%, #5F0180 0%, #16001f 62%, #08000d 100%) fixed;
  color: var(--text);
  font-family: var(--fb);
  font-size: 16px;
  line-height: 1.65;
}

[data-theme="light"] body,
body[data-theme="light"] {
  background: radial-gradient(circle at 50% 20%, #dbb6ff 0%, #ede4ff 45%, #f5f0ff 100%) fixed;
}

/* Stars hidden in light mode */
[data-theme="light"] body::before,
[data-theme="light"] body::after { opacity: 0 !important; }

/* CSS star layers */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}
body::before {
  z-index: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,.92), transparent),
    radial-gradient(1px 1px at 40% 60%, rgba(255,255,255,.86), transparent),
    radial-gradient(1px 1px at 70% 30%, rgba(255,255,255,.80), transparent),
    radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,.88), transparent),
    radial-gradient(1px 1px at 55% 15%, rgba(238,191,255,.78), transparent),
    radial-gradient(1px 1px at 25% 75%, rgba(255,255,255,.72), transparent),
    radial-gradient(1px 1px at 80% 45%, rgba(238,191,255,.82), transparent);
  background-size: 120px 120px;
  animation: starsMoveFast 20s linear infinite;
  opacity: 0.85;
}
body::after {
  z-index: 0;
  background-image:
    radial-gradient(2px 2px at 20% 40%, rgba(255,255,255,.80), transparent),
    radial-gradient(2px 2px at 60% 10%, rgba(255,255,255,.75), transparent),
    radial-gradient(2px 2px at 80% 70%, rgba(255,255,255,.90), transparent),
    radial-gradient(1.5px 1.5px at 35% 85%, rgba(238,191,255,.72), transparent),
    radial-gradient(2px 2px at 92% 25%, rgba(255,255,255,.78), transparent),
    radial-gradient(1.5px 1.5px at 15% 55%, rgba(217,126,255,.65), transparent);
  background-size: 240px 240px;
  animation: starsMoveSlow 60s linear infinite;
  opacity: 0.65;
}
@keyframes starsMoveFast {
  from { background-position: 0 0; }
  to   { background-position: 2000px 1000px; }
}
@keyframes starsMoveSlow {
  from { background-position: 0 0; }
  to   { background-position: -1500px 800px; }
}

/* Canvas overlay for JS stars */
#sc { position: fixed; inset: 0; z-index: 1; pointer-events: none; }

a { text-decoration: none; color: inherit; }
button { font-family: var(--fb); border: none; background: none; }
ul { list-style: none; }

/* ===== CUSTOM CURSOR ===== */
#cdot {
  position: fixed; top: 0; left: 0;
  width: 8px; height: 8px;
  background: var(--pm);
  border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 14px var(--pm), 0 0 28px var(--glow3);
  display: none;
}
#cring {
  position: fixed; top: 0; left: 0;
  width: 38px; height: 38px;
  border: 1.5px solid rgba(217,126,255,.55);
  border-radius: 50%;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width .3s, height .3s, border-color .3s;
  display: none;
}
body.hv #cring { width: 54px; height: 54px; border-color: var(--pm); }

/* ===== SCROLL PROGRESS ===== */
#prog {
  position: fixed; top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--pdk), var(--p), var(--pm));
  z-index: 1001;
  box-shadow: 0 0 10px var(--pm), 0 0 22px var(--glow);
  width: 0;
  transition: width .1s;
}

/* ===== NAV ===== */
#nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 600; height: 95px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6vw;
  transition: all .4s;
  border-bottom: 1px solid transparent;
}
#nav.sc {
  background: rgba(8,0,13,.84);
  backdrop-filter: blur(22px);
  border-color: var(--border);
  box-shadow: 0 4px 40px rgba(95,1,128,.40);
}
[data-theme="light"] #nav.sc {
  background: rgba(245,240,255,.92);
  box-shadow: 0 4px 32px rgba(124,34,184,.15);
}
.nlogo {
  font-family: var(--fd); font-weight: 800; font-size: 1.25rem;
  background: linear-gradient(135deg, var(--pm), var(--pl));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 12px var(--glow3));
}
.nlogo em { font-style: normal; -webkit-text-fill-color: rgba(255,255,255,.32); filter: none; }
.nlinks { display: flex; gap: 2.2rem; align-items: center; }
.nlinks a {
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  font-weight: 500; color: var(--muted); transition: color .2s; position: relative;
}
.nlinks a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--p), var(--pm));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.nlinks a:hover, .nlinks a.act { color: var(--text); }
.nlinks a:hover::after, .nlinks a.act::after { transform: scaleX(1); }
.nbtn {
  padding: .42rem 1.3rem;
  border: 1px solid rgba(255,110,255,.38); border-radius: 5px;
  color: var(--pl); font-size: .78rem; letter-spacing: .08em;
  text-transform: uppercase; font-weight: 600; transition: all .3s;
}
.nbtn:hover { background: var(--glow3); border-color: var(--pm); box-shadow: 0 0 22px var(--glow3); }
.ham { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.ham span { display: block; width: 22px; height: 2px; background: var(--p); border-radius: 2px; transition: all .3s; }
.ham.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.ham.open span:nth-child(2) { opacity: 0; }
.ham.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== MOBILE MENU ===== */
#mmenu {
  position: fixed; inset: 0; z-index: 580;
  background: rgba(8,0,13,.97); backdrop-filter: blur(24px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem;
  opacity: 0; pointer-events: none; transition: opacity .3s;
}
#mmenu.open { opacity: 1; pointer-events: all; }
#mmenu a { font-family: var(--fd); font-size: 2rem; font-weight: 700; color: var(--text); transition: color .2s; }
#mmenu a:hover { color: var(--pm); }

[data-theme="light"] #mmenu {
  background: rgba(237,228,255,.98);
}

/* ===== LAYOUT ===== */
.s  { padding: 110px 6vw; position: relative; z-index: 2; }
.s2 { padding: 80px 6vw;  position: relative; z-index: 2; }
.mx { max-width: 1160px; margin: 0 auto; }
.pt { padding-top: 70px; }
.s-tint {
  background: rgba(95,1,128,.12);
  border-top: 1px solid var(--border2);
  border-bottom: 1px solid var(--border2);
}

/* ===== SECTION HEADER ===== */
.sh { text-align: center; margin-bottom: 4rem; }
.stag {
  display: inline-block; font-size: .68rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--pm); font-weight: 600; margin-bottom: 1rem;
  text-shadow: 0 0 18px var(--glow3);
}
.sttl {
  font-family: var(--fd); font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800; letter-spacing: -.03em; line-height: 1.05; margin-bottom: 1.2rem;
}
.sttl .a {
  background: linear-gradient(120deg, var(--pm), var(--p));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.sdsc { color: var(--muted); font-size: 1rem; max-width: 520px; margin: 0 auto; font-weight: 300; }

/* ===== BUTTONS ===== */
.bp {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--pd), var(--pdk));
  color: #fff; padding: .85rem 2.2rem; border-radius: 6px;
  font-weight: 600; font-size: .88rem; letter-spacing: .04em;
  transition: transform .2s, box-shadow .3s;
  box-shadow: 0 4px 28px rgba(160,32,200,.48);
  position: relative; overflow: hidden;
}
.bp::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--pm), var(--pd));
  opacity: 0; transition: opacity .3s;
}
.bp:hover { transform: translateY(-2px); box-shadow: 0 8px 44px rgba(255,110,255,.42); }
.bp:hover::before { opacity: 1; }
.bp > * { position: relative; z-index: 1; }
.bg {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--pl);
  border: 1px solid rgba(217,126,255,.38);
  padding: .85rem 2.2rem; border-radius: 6px;
  font-weight: 500; font-size: .88rem; letter-spacing: .04em;
  transition: all .3s;
}
.bg:hover { border-color: var(--pm); box-shadow: 0 0 28px var(--glow3); background: var(--glow3); color: #fff; }

/* ===== GLASS CARD ===== */
.gc {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; position: relative; overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  backdrop-filter: blur(6px);
}
.gc::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 40% 0%, rgba(255,110,255,.10), transparent 65%);
  opacity: 0; transition: opacity .4s;
}
.gc:hover { transform: translateY(-5px); box-shadow: 0 20px 64px rgba(160,32,200,.32); border-color: rgba(255,110,255,.38); }
.gc:hover::before { opacity: 1; }

/* ===== ICON PILL ===== */
.ip {
  display: flex; align-items: center; gap: 12px;
  background: rgba(217,126,255,.08); border: 1px solid var(--border);
  border-radius: 8px; padding: .85rem 1.2rem;
  font-size: .85rem; color: var(--muted); transition: all .3s;
}
.ip:hover { border-color: rgba(255,110,255,.42); color: var(--text); background: rgba(255,110,255,.10); }
.ip .ic { font-size: 1.3rem; flex-shrink: 0; }

/* ===== TAGS ===== */
.tags { display: flex; gap: .5rem; flex-wrap: wrap; }
.tag {
  background: rgba(217,126,255,.10); border: 1px solid rgba(217,126,255,.28);
  border-radius: 100px; padding: 3px 12px;
  font-size: .7rem; color: var(--pl); font-weight: 500;
}

/* ===== REVEAL ===== */
.rv  { opacity: 0; transform: translateY(28px); }
.rvl { opacity: 0; transform: translateX(-36px); }
.rvr { opacity: 0; transform: translateX(36px); }

/* ===== EVENT CARD ===== */
.ec {
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(8px);
  transition: transform .3s, box-shadow .3s; cursor: pointer;
}
.ec:hover { transform: translateY(-4px); box-shadow: 0 20px 64px rgba(160,32,200,.30); }
.eb { height: 185px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }

/* photo layer */
.ev-img-wrap {
  position: absolute; inset: 0; z-index: 0;
}
.ev-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .45s ease, filter .45s ease;
  filter: brightness(.82) saturate(.9);
}
.ec:hover .ev-img {
  transform: scale(1.06);
  filter: brightness(.95) saturate(1.05);
}

/* dark scrim so badges stay readable over photos */
.ev-img-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,0,13,.72) 0%, transparent 60%);
  pointer-events: none;
}

/* fallback: gradient + icon (shown when no image) */
.ev-icon-fallback {
  position: absolute; inset: 0;
  align-items: center; justify-content: center;
  z-index: 0;
}

.ebi { font-size: 3rem; position: relative; z-index: 1; }
.ebadge {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  font-size: .6rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--pm); background: rgba(8,0,13,.82); backdrop-filter: blur(8px);
  border: 1px solid var(--border3); border-radius: 4px; padding: 4px 10px;
}
.epast {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-size: .6rem; letter-spacing: .08em; text-transform: uppercase;
  color: rgba(255,255,255,.45); background: rgba(8,0,13,.82);
  border: 1px solid rgba(255,255,255,.1); border-radius: 4px; padding: 4px 10px;
}
.ebody { padding: 1.6rem; }
.emeta { display: flex; align-items: center; gap: .8rem; margin-bottom: .5rem; flex-wrap: wrap; }
.edate { font-size: .7rem; color: var(--pm); letter-spacing: .08em; text-transform: uppercase; font-weight: 600; }
.eloc { font-size: .7rem; color: var(--subtle); }
.etitle { font-family: var(--fd); font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.edesc { font-size: .82rem; color: var(--muted); line-height: 1.6; font-weight: 300; }
.efoot { padding: 1rem 1.6rem; border-top: 1px solid var(--border2); display: flex; justify-content: space-between; align-items: center; }
.edbtn { font-size: .74rem; color: var(--p); letter-spacing: .06em; display: flex; align-items: center; gap: 5px; font-weight: 500; transition: color .2s; }
.edbtn:hover { color: var(--pm); }
.etime { font-size: .7rem; color: var(--subtle); }

/* ===== GRID ===== */
.eg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 1160px; margin: 0 auto; }

/* ===== FOOTER ===== */
#footer {
  border-top: 1px solid var(--border);
  padding: 3rem 6vw;
  position: relative; z-index: 2;
  background: rgba(8,0,13,.80);
  backdrop-filter: blur(20px);
}
[data-theme="light"] #footer {
  background: rgba(237,228,255,.85);
}
.fi { max-width: 1160px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; }
.fl {
  font-family: var(--fd); font-weight: 800; font-size: 1.1rem;
  background: linear-gradient(135deg, var(--pm), var(--pl));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px var(--glow3));
}
.fc { font-size: .78rem; color: var(--muted); text-align: center; }
.flinks { display: flex; gap: 1.5rem; justify-content: flex-end; }
.flinks a { font-size: .78rem; color: var(--muted); transition: color .2s; }
.flinks a:hover { color: var(--pm); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) { .eg { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .nlinks, .nbtn { display: none; }
  .ham { display: flex; }
  .eg { grid-template-columns: 1fr; }
  .fi { grid-template-columns: 1fr; text-align: center; }
  .flinks { justify-content: center; }
}

/* ===== BACK TO TOP BUTTON ===== */
#backToTop {
  position: fixed;
  bottom: 2.2rem;
  right: 2.2rem;
  z-index: 9000;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(22,0,31,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--pl);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .3s, transform .3s, box-shadow .3s, border-color .3s;
  box-shadow: 0 4px 24px rgba(95,1,128,.35);
}
#backToTop.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
#backToTop:hover {
  border-color: var(--pm);
  box-shadow: 0 0 28px var(--glow3), 0 4px 24px rgba(95,1,128,.5);
  background: rgba(95,1,128,.5);
  color: #fff;
}

/* ===== LIGHT MODE: SECTION TINT ===== */
[data-theme="light"] .s-tint {
  background: rgba(147,51,234,.06);
}

/* ===== LIGHT MODE: EVENT CARD ===== */
[data-theme="light"] .ec {
  background: rgba(255,255,255,.72);
  border-color: rgba(124,34,184,.18);
  box-shadow: 0 2px 16px rgba(124,34,184,.08);
}
[data-theme="light"] .ec:hover {
  box-shadow: 0 20px 56px rgba(124,34,184,.18);
  border-color: rgba(160,32,200,.32);
}
[data-theme="light"] .efoot {
  border-top-color: rgba(124,34,184,.10);
}
[data-theme="light"] .ebadge {
  background: rgba(245,240,255,.92);
  border-color: rgba(160,32,200,.22);
  color: var(--pm);
}
[data-theme="light"] .epast {
  background: rgba(245,240,255,.85);
  border-color: rgba(26,0,58,.12);
  color: rgba(26,0,58,.40);
}
[data-theme="light"] .ev-img-wrap::after {
  background: linear-gradient(to top, rgba(245,240,255,.60) 0%, transparent 55%);
}

/* ===== LIGHT MODE: GLASS CARD ===== */
[data-theme="light"] .gc {
  background: rgba(255,255,255,.65);
  border-color: rgba(124,34,184,.15);
}
[data-theme="light"] .gc:hover {
  box-shadow: 0 20px 56px rgba(124,34,184,.18);
  border-color: rgba(160,32,200,.30);
}

/* ===== LIGHT MODE: IMPACT STATS ===== */
[data-theme="light"] .st {
  background: rgba(245,240,255,.80);
}
[data-theme="light"] .st:hover {
  background: rgba(220,200,255,.55);
}

/* ===== LIGHT MODE: TAG ===== */
[data-theme="light"] .tag {
  background: rgba(124,34,184,.08);
  border-color: rgba(124,34,184,.22);
  color: var(--pdk);
}

/* ===== LIGHT MODE: ICON PILL ===== */
[data-theme="light"] .ip {
  background: rgba(147,51,234,.06);
  border-color: rgba(124,34,184,.16);
}
[data-theme="light"] .ip:hover {
  background: rgba(160,32,200,.10);
  border-color: rgba(160,32,200,.32);
}

/* ===== LIGHT MODE: CANVAS STARS ===== */
[data-theme="light"] #sc { opacity: 0; pointer-events: none; }

/* ===== LIGHT MODE: BACK TO TOP ===== */
[data-theme="light"] #backToTop {
  background: rgba(245,240,255,.90);
  border-color: rgba(124,34,184,.22);
  color: var(--p);
  box-shadow: 0 4px 20px rgba(124,34,184,.15);
}
[data-theme="light"] #backToTop:hover {
  background: rgba(220,200,255,.80);
  border-color: var(--pm);
  color: var(--pdk);
  box-shadow: 0 0 24px var(--glow3);
}

/* ===== THEME TOGGLE BUTTON ===== */
#themeToggle {
  width: 42px; height: 24px;
  background: rgba(95,1,128,.55);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background .35s, border-color .35s;
  display: flex;
  align-items: center;
  padding: 0 3px;
}
#themeToggle::after {
  content: '';
  position: absolute;
  left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--pm);
  box-shadow: 0 0 10px var(--glow3);
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), background .35s, box-shadow .35s;
}
[data-theme="light"] #themeToggle {
  background: rgba(220,200,255,.65);
  border-color: rgba(124,34,184,.28);
}
[data-theme="light"] #themeToggle::after {
  transform: translateX(18px);
  background: var(--pm);
  box-shadow: 0 0 10px var(--glow3);
}
.theme-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.theme-icon {
  font-size: .95rem;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}


/* ===== LIGHT MODE: LOGO swap (white→black version) ===== */
[data-theme="light"] .nlogo img {
  filter: invert(1) hue-rotate(180deg) saturate(0.5) brightness(0.3);
}

/* ===== LIGHT MODE: NLINKS text ===== */
[data-theme="light"] .nlinks a { color: rgba(26,0,58,.55); }
[data-theme="light"] .nlinks a:hover,
[data-theme="light"] .nlinks a.act { color: var(--text); }

[data-theme="light"] .nbtn {
  border-color: rgba(124,34,184,.30);
  color: var(--pdk);
}
[data-theme="light"] .nbtn:hover {
  background: rgba(160,32,200,.10);
  border-color: var(--pm);
}

[data-theme="light"] .ham span { background: var(--pdk); }


/* ===== FAQ SECTION ===== */
#faq { padding: 6rem 6vw; }

.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--border2);
  overflow: hidden;
}
.faq-item:first-child { border-top: 1px solid var(--border2); }

.faq-q {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0;
  text-align: left;
  font-family: var(--fb);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
  transition: color .2s;
}
.faq-q:hover { color: var(--pm); }

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--p);
  transition: transform .35s cubic-bezier(.4,0,.2,1), background .2s, border-color .2s;
  line-height: 1;
}
.faq-item[data-open="true"] .faq-icon {
  transform: rotate(45deg);
  background: var(--surface3);
  border-color: var(--pm);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1), padding .3s;
  padding: 0;
}
.faq-item[data-open="true"] .faq-a {
  max-height: 300px;
  padding-bottom: 1.4rem;
}
.faq-a p {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.75;
  padding-right: 2.5rem;
}

/* ===== NEW FOOTER ===== */
#footer {
  border-top: 1px solid var(--border);
  padding: 5rem 6vw 0;
  position: relative;
  z-index: 2;
  background: rgba(8,0,13,.90);
  backdrop-filter: blur(24px);
  overflow: hidden;
}
[data-theme="light"] #footer {
  background: rgba(237,228,255,.90);
}

.footer-glow {
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 300px;
  background: radial-gradient(ellipse, rgba(217,126,255,.12) 0%, transparent 70%);
  pointer-events: none;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: 3.5rem;
  padding-bottom: 4rem;
}

.footer-tagline {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.6rem;
  max-width: 280px;
}

.footer-socials {
  display: flex;
  gap: .75rem;
}
.fsoc {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.fsoc:hover {
  background: var(--surface3);
  border-color: var(--pm);
  color: var(--pm);
  transform: translateY(-3px);
}

.footer-col-title {
  font-family: var(--fd);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--p);
  margin-bottom: 1.3rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.footer-links li { display: flex; align-items: flex-start; gap: .55rem; }
.footer-links a, .footer-links span {
  font-size: .88rem;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
  line-height: 1.5;
}
.footer-links a:hover { color: var(--pm); }
.footer-contact svg { flex-shrink: 0; margin-top: 3px; color: var(--p); }

.footer-bar {
  border-top: 1px solid var(--border2);
  padding: 1.4rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .85rem;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  font-size: .78rem;
  color: var(--subtle);
}
.footer-bar-divider { color: var(--border); }

@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-tagline { max-width: 100%; }
}
@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bar { flex-direction: column; gap: .4rem; text-align: center; }
  .footer-bar-divider { display: none; }
  .faq-a p { padding-right: 0; }
}