/* ═══════════════════════════════════════════════════════════════════
   CEREMONY INTELLIGENCE SYSTEM (CIS) — Theme Layer
   FirepowerSFX · Phase 1 · 2026-05-02
   ═══════════════════════════════════════════════════════════════════

   Architecture:
   • body[data-ceremony="X"]  sets all --cis-* tokens
   • Every CIS element reads var(--cis-*) — never hardcoded values
   • JS (ceremony-intelligence.js) drives body.dataset.ceremony
     via IntersectionObserver as user scrolls through ceremony sections
   ═══════════════════════════════════════════════════════════════════ */

/* ── Default / no ceremony (inherit midnight-ember base) ─────────── */
:root {
  --cis-bg:           #0A0A0A;
  --cis-bg-mid:       #111111;
  --cis-accent:       #FF4D00;
  --cis-accent-2:     #FFB347;
  --cis-glow:         rgba(255,77,0,0.45);
  --cis-glow-rgb:     255,77,0;
  --cis-text:         #F0F0F0;
  --cis-muted:        #989898;
  --cis-border:       rgba(255,255,255,0.08);
  --cis-font-display: 'Syne', sans-serif;
  --cis-hue-shift:    0deg;
  --cis-sat-mod:      1;
  --cis-badge-bg:     rgba(255,77,0,0.12);
  --cis-badge-border: rgba(255,77,0,0.3);

  /* Transition timing for all ceremony property switches */
  --cis-transition: 0.75s cubic-bezier(0.23, 1, 0.32, 1);
}

/* ── HALDI — turmeric gold, marigold, saffron ────────────────────── */
body[data-ceremony="haldi"] {
  --cis-bg:           #1A1200;
  --cis-bg-mid:       #2E1A00;
  --cis-accent:       #FFC200;
  --cis-accent-2:     #FF9933;
  --cis-glow:         rgba(255,163,0,0.5);
  --cis-glow-rgb:     255,163,0;
  --cis-text:         #FFF8E7;
  --cis-muted:        #C9A84C;
  --cis-border:       rgba(255,194,0,0.15);
  --cis-font-display: 'Cormorant Garamond', 'Playfair Display', serif;
  --cis-badge-bg:     rgba(255,194,0,0.12);
  --cis-badge-border: rgba(255,194,0,0.35);
}

/* ── MEHENDI — forest green, henna terracotta, sage ─────────────── */
body[data-ceremony="mehendi"] {
  --cis-bg:           #0D1F15;
  --cis-bg-mid:       #162B1D;
  --cis-accent:       #52B788;
  --cis-accent-2:     #74C69D;
  --cis-glow:         rgba(45,106,79,0.55);
  --cis-glow-rgb:     45,106,79;
  --cis-text:         #F1E8D6;
  --cis-muted:        #95A58D;
  --cis-border:       rgba(82,183,136,0.15);
  --cis-font-display: 'Cormorant Garamond', 'Playfair Display', serif;
  --cis-badge-bg:     rgba(82,183,136,0.1);
  --cis-badge-border: rgba(82,183,136,0.3);
}

/* ── SANGEET — midnight velvet, electric fuchsia, royal purple ───── */
body[data-ceremony="sangeet"] {
  --cis-bg:           #1A0A2E;
  --cis-bg-mid:       #2D1B69;
  --cis-accent:       #FF006E;
  --cis-accent-2:     #E91E8C;
  --cis-glow:         rgba(255,0,110,0.5);
  --cis-glow-rgb:     255,0,110;
  --cis-text:         #F3E5F5;
  --cis-muted:        #B39DDB;
  --cis-border:       rgba(255,0,110,0.18);
  --cis-font-display: 'Plus Jakarta Sans', 'Syne', sans-serif;
  --cis-badge-bg:     rgba(255,0,110,0.12);
  --cis-badge-border: rgba(255,0,110,0.35);
}

/* ── WEDDING / BARAAT — sacred crimson, bridal gold, divine ─────── */
body[data-ceremony="wedding"] {
  --cis-bg:           #1A0000;
  --cis-bg-mid:       #2C0000;
  --cis-accent:       #C0392B;
  --cis-accent-2:     #FFD700;
  --cis-glow:         rgba(255,215,0,0.45);
  --cis-glow-rgb:     255,215,0;
  --cis-text:         #FFF8F0;
  --cis-muted:        #F5CBA7;
  --cis-border:       rgba(192,57,43,0.2);
  --cis-font-display: 'Playfair Display', 'Cormorant Garamond', serif;
  --cis-badge-bg:     rgba(255,215,0,0.1);
  --cis-badge-border: rgba(255,215,0,0.3);
}

/* ── RECEPTION — midnight navy, champagne gold, rose gold ────────── */
body[data-ceremony="reception"] {
  --cis-bg:           #0A0A14;
  --cis-bg-mid:       #101025;
  --cis-accent:       #6C8EBF;
  --cis-accent-2:     #C9A84C;
  --cis-glow:         rgba(201,168,76,0.45);
  --cis-glow-rgb:     201,168,76;
  --cis-text:         #EEF2FF;
  --cis-muted:        #90A4AE;
  --cis-border:       rgba(201,168,76,0.15);
  --cis-font-display: 'Playfair Display', 'Syne', serif;
  --cis-badge-bg:     rgba(201,168,76,0.1);
  --cis-badge-border: rgba(201,168,76,0.3);
}

/* ── CORPORATE — carbon, electric orange, laser white ───────────── */
body[data-ceremony="corporate"] {
  --cis-bg:           #0A0A0A;
  --cis-bg-mid:       #1C1C1E;
  --cis-accent:       #FF5500;
  --cis-accent-2:     #FFD700;
  --cis-glow:         rgba(255,85,0,0.45);
  --cis-glow-rgb:     255,85,0;
  --cis-text:         #FFFFFF;
  --cis-muted:        #8E8E93;
  --cis-border:       rgba(255,85,0,0.15);
  --cis-font-display: 'Syne', sans-serif;
  --cis-badge-bg:     rgba(255,85,0,0.12);
  --cis-badge-border: rgba(255,85,0,0.3);
}


/* ═══════════════════════════════════════════════════════════════════
   CIS SECTION — Base Layout
   ═══════════════════════════════════════════════════════════════════ */

.cis-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--cis-bg);

  /* Smooth background color transition as ceremony switches */
  transition: background-color var(--cis-transition);
}

/* Ambient gradient wash — the "entering a new space" signal */
.cis-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(var(--cis-glow-rgb), 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 100% 100%, rgba(var(--cis-glow-rgb), 0.08) 0%, transparent 60%);
  pointer-events: none;
  transition: opacity 0.6s ease;
}

/* Top-down "God spot" light for Wedding section */
.cis-section[data-ceremony="wedding"]::before {
  background:
    radial-gradient(ellipse 60% 50% at 50% -5%, rgba(255,215,0,0.22) 0%, transparent 65%),
    radial-gradient(ellipse 80% 80% at 50% 50%, rgba(192,57,43,0.10) 0%, transparent 70%);
}

/* Haldi: warm ambient from top-right (outdoor tent sunshine) */
.cis-section[data-ceremony="haldi"]::before {
  background:
    radial-gradient(ellipse 70% 50% at 85% 10%, rgba(255,194,0,0.20) 0%, transparent 65%),
    radial-gradient(ellipse 50% 70% at 10% 90%, rgba(255,153,51,0.10) 0%, transparent 60%);
}

/* Sangeet: dramatic side-lights */
.cis-section[data-ceremony="sangeet"]::before {
  background:
    radial-gradient(ellipse 40% 80% at 0% 50%, rgba(255,0,110,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 40% 80% at 100% 50%, rgba(155,89,182,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 30% at 50% 100%, rgba(255,0,110,0.08) 0%, transparent 60%);
}


/* ═══════════════════════════════════════════════════════════════════
   CIS SECTION — Divider (mandala placeholder for Phase 1)
   ═══════════════════════════════════════════════════════════════════ */

.cis-divider {
  position: relative;
  height: 4px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(var(--cis-glow-rgb), 0.6) 30%,
    rgba(var(--cis-glow-rgb), 0.9) 50%,
    rgba(var(--cis-glow-rgb), 0.6) 70%,
    transparent 100%
  );
  transition: background var(--cis-transition);
  overflow: visible;
}

/* Center diya flame placeholder (Phase 2 will replace with SVG mandala) */
.cis-divider__center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.cis-diya-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cis-diya-flame {
  width: 14px;
  height: 28px;
  background: radial-gradient(ellipse at 50% 100%,
    var(--cis-accent) 0%,
    var(--cis-accent-2) 40%,
    transparent 75%
  );
  border-radius: 50% 50% 25% 25%;
  animation: cis-flicker 0.14s ease-in-out infinite alternate,
             cis-breathe 2.8s ease-in-out infinite;
  filter: blur(0.3px);
  box-shadow: 0 0 12px 4px rgba(var(--cis-glow-rgb), 0.5),
              0 0 30px 8px rgba(var(--cis-glow-rgb), 0.15);
  transition: background var(--cis-transition), box-shadow var(--cis-transition);
}

.cis-diya-base {
  width: 24px;
  height: 8px;
  background: radial-gradient(ellipse at 50% 50%,
    rgba(var(--cis-glow-rgb), 0.35) 0%,
    transparent 70%
  );
  border-radius: 50%;
  margin-top: -2px;
  transition: background var(--cis-transition);
}

@keyframes cis-flicker {
  0%   { transform: skewX(-3deg) scaleX(0.93); }
  100% { transform: skewX(3deg)  scaleX(1.07); }
}
@keyframes cis-breathe {
  0%, 100% { transform: scaleY(1.00); }
  50%       { transform: scaleY(1.09); }
}

@media (prefers-reduced-motion: reduce) {
  .cis-diya-flame { animation: none; }
}


/* ═══════════════════════════════════════════════════════════════════
   CIS SECTION — Inner Layout
   ═══════════════════════════════════════════════════════════════════ */

.cis-section__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.cis-section__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cis-section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cis-accent);
  background: var(--cis-badge-bg);
  border: 1px solid var(--cis-badge-border);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  width: fit-content;
  transition: color var(--cis-transition), background var(--cis-transition), border-color var(--cis-transition);
}

.cis-section__title {
  font-family: var(--cis-font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--cis-text);
  letter-spacing: -0.02em;
  transition: color var(--cis-transition), font-family var(--cis-transition);
}

.cis-section__title em {
  font-style: italic;
  color: var(--cis-accent);
  transition: color var(--cis-transition);
}

.cis-section__tagline {
  font-family: var(--cis-font-display);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-style: italic;
  color: var(--cis-accent-2);
  letter-spacing: 0.02em;
  opacity: 0.85;
  transition: color var(--cis-transition);
}

.cis-section__description {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--cis-muted);
  max-width: 48ch;
  transition: color var(--cis-transition);
}

.cis-effects-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.cis-effects-list li {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cis-text);
  background: rgba(var(--cis-glow-rgb), 0.1);
  border: 1px solid rgba(var(--cis-glow-rgb), 0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  transition: background var(--cis-transition), border-color var(--cis-transition), color var(--cis-transition);
}

.cis-section__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--cis-bg);
  background: var(--cis-accent);
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  text-decoration: none;
  width: fit-content;
  margin-top: 0.5rem;
  transition:
    background var(--cis-transition),
    color var(--cis-transition),
    box-shadow 0.2s ease,
    transform 0.15s ease;
  box-shadow: 0 0 0 0 rgba(var(--cis-glow-rgb), 0);
}

.cis-section__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(var(--cis-glow-rgb), 0.45);
}

.cis-section__cta:active {
  transform: translateY(0);
}


/* ═══════════════════════════════════════════════════════════════════
   CIS SECTION — Visual Panel (right column)
   ═══════════════════════════════════════════════════════════════════ */

.cis-section__visual {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 1.5rem;
  overflow: hidden;
  background: var(--cis-bg-mid);
  border: 1px solid var(--cis-border);
  transition: background var(--cis-transition), border-color var(--cis-transition);
}

/* Animated gradient background for Phase 1 (no real images required) */
.cis-section__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 80%, rgba(var(--cis-glow-rgb), 0.4) 0%, transparent 65%),
    radial-gradient(ellipse 50% 60% at 80% 20%, rgba(var(--cis-glow-rgb), 0.2) 0%, transparent 55%);
  transition: background var(--cis-transition);
}

/* Glowing orb centerpiece (placeholder for real product photo) */
.cis-visual__orb {
  position: absolute;
  left: 50%;
  bottom: 20%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cis-accent) 0%, var(--cis-accent-2) 40%, transparent 70%);
  filter: blur(18px);
  opacity: 0.7;
  animation: cis-orb-pulse 3s ease-in-out infinite;
  transition: background var(--cis-transition);
}

@keyframes cis-orb-pulse {
  0%, 100% { transform: translateX(-50%) scale(1);   opacity: 0.65; }
  50%       { transform: translateX(-50%) scale(1.15); opacity: 0.85; }
}

@media (prefers-reduced-motion: reduce) {
  .cis-visual__orb { animation: none; }
}

/* Ceremony name watermark */
.cis-visual__watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--cis-font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  font-style: italic;
  color: rgba(var(--cis-glow-rgb), 0.08);
  text-align: center;
  letter-spacing: -0.03em;
  pointer-events: none;
  user-select: none;
  transition: color var(--cis-transition);
}

/* Effect label rows */
.cis-visual__effects {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.cis-visual__effect-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--cis-text);
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(var(--cis-glow-rgb), 0.3);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  transition: border-color var(--cis-transition), color var(--cis-transition);
}

/* Stats strip at bottom of visual */
.cis-visual__stat {
  font-size: 0.7rem;
  color: var(--cis-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--cis-border);
  transition: color var(--cis-transition), border-color var(--cis-transition);
}

.cis-visual__stat strong {
  color: var(--cis-accent);
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.1rem;
  transition: color var(--cis-transition);
}


/* ═══════════════════════════════════════════════════════════════════
   CIS — Section Header (above all ceremonies)
   ═══════════════════════════════════════════════════════════════════ */

.cis-header {
  text-align: center;
  padding: 5rem 2rem 3rem;
  position: relative;
  background: var(--obsidian, #0A0A0A);
}

.cis-header__eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ignition, #FF4D00);
  display: block;
  margin-bottom: 1rem;
}

.cis-header__title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #F0F0F0;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.cis-header__title em {
  color: var(--ignition, #FF4D00);
  font-style: italic;
}

.cis-header__sub {
  font-size: 1.05rem;
  color: #989898;
  max-width: 52ch;
  margin: 0 auto;
  line-height: 1.65;
}

/* Scroll hint */
.cis-header__scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
  color: #5a5a5a;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: cis-scroll-nudge 2s ease-in-out infinite;
}

@keyframes cis-scroll-nudge {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50%       { transform: translateY(6px); opacity: 0.9; }
}

@media (prefers-reduced-motion: reduce) {
  .cis-header__scroll-hint { animation: none; }
}


/* ═══════════════════════════════════════════════════════════════════
   CIS — Ceremony Navigation Pills
   ═══════════════════════════════════════════════════════════════════ */

.cis-nav {
  position: sticky;
  top: 70px; /* below main nav */
  z-index: 90;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.3s ease;
}

.cis-nav__pill {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #5a5a5a;
  background: transparent;
  border: 1px solid transparent;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.cis-nav__pill:hover {
  color: var(--cis-text, #F0F0F0);
  border-color: rgba(255,255,255,0.15);
}

.cis-nav__pill.is-active {
  color: var(--cis-accent, #FF4D00);
  background: rgba(var(--cis-glow-rgb, 255,77,0), 0.12);
  border-color: rgba(var(--cis-glow-rgb, 255,77,0), 0.3);
}


/* ═══════════════════════════════════════════════════════════════════
   CIS — Responsive
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
  .cis-section__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 4rem 1.5rem;
  }

  .cis-section__visual {
    aspect-ratio: 4/3;
    max-height: 320px;
  }

  .cis-section__title {
    font-size: clamp(2rem, 7vw, 3rem);
  }
}

@media (max-width: 480px) {
  .cis-nav {
    gap: 0.25rem;
    padding: 0.6rem 0.75rem;
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .cis-nav::-webkit-scrollbar { display: none; }

  .cis-nav__pill {
    white-space: nowrap;
    font-size: 0.68rem;
    padding: 0.3rem 0.65rem;
  }

  .cis-section__inner {
    padding: 3rem 1rem;
  }
}


/* ═══════════════════════════════════════════════════════════════════
   CIS — Visitor hue-shift application
   Seeded by ceremony-intelligence.js via --cis-hue-shift variable
   ═══════════════════════════════════════════════════════════════════ */

.cis-section__visual,
.cis-visual__orb,
.cis-diya-flame {
  filter: hue-rotate(var(--cis-hue-shift, 0deg));
}

/* Don't apply hue-shift to text elements */
.cis-section__title,
.cis-section__description,
.cis-section__tagline {
  filter: none;
}

/* ── When a real image is injected by ceremony-intelligence.js ───── */

/* Hide the placeholder ::before gradient when we have a real photo */
.cis-section__visual[data-has-image="true"]::before {
  opacity: 0;
}

/* Subtle dark vignette at bottom so effect tags stay readable */
.cis-section__visual[data-has-image="true"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

/* Ensure effect tags + watermark sit above the vignette */
.cis-section__visual[data-has-image="true"] .cis-visual__effects,
.cis-section__visual[data-has-image="true"] .cis-visual__watermark,
.cis-section__visual[data-has-image="true"] .cis-visual__orb {
  z-index: 2;
  position: relative;
}


/* ═══════════════════════════════════════════════════════════════════
   CIS PHASE 2 — SVG Mandala Dividers
   Replace CSS diya placeholder with two counter-rotating petal rings.
   ═══════════════════════════════════════════════════════════════════ */

/* Override Phase 1 4px height */
.cis-divider { height: 80px; }

.cis-mandala {
  width: 72px;
  height: 72px;
  display: block;
  overflow: visible;
  filter: hue-rotate(var(--cis-hue-shift, 0deg));
  transition: filter var(--cis-transition);
}

/* Outer ring — 8 petals, clockwise — speed personalised via --cis-mandala-speed */
.cis-mandala__outer {
  fill: var(--cis-accent);
  opacity: 0.65;
  transform-box: fill-box;
  transform-origin: center;
  animation: cis-mandala-cw calc(22s / var(--cis-mandala-speed, 1)) linear infinite;
  transition: fill var(--cis-transition);
}

/* Inner ring — 6 petals, counter-clockwise 15s */
.cis-mandala__inner {
  fill: var(--cis-accent-2);
  opacity: 0.88;
  transform-box: fill-box;
  transform-origin: center;
  animation: cis-mandala-ccw calc(15s / var(--cis-mandala-speed, 1)) linear infinite;
  transition: fill var(--cis-transition);
}

.cis-mandala__ring {
  fill: none;
  stroke: rgba(var(--cis-glow-rgb), 0.35);
  stroke-width: 0.5;
  stroke-dasharray: 4 3;
  transition: stroke var(--cis-transition);
}

.cis-mandala__center {
  fill: var(--cis-accent);
  transition: fill var(--cis-transition);
}

.cis-mandala__center-dot {
  fill: white;
  opacity: 0.75;
}

@keyframes cis-mandala-cw  { to { transform: rotate(360deg);  } }
@keyframes cis-mandala-ccw { to { transform: rotate(-360deg); } }

@media (prefers-reduced-motion: reduce) {
  .cis-mandala__outer,
  .cis-mandala__inner { animation: none; }
}


/* ═══════════════════════════════════════════════════════════════════
   CIS PHASE 2 — Toran Garland Entrance
   Traditional Indian door hanging. Slides down on first scroll-into-view.
   ═══════════════════════════════════════════════════════════════════ */

.cis-toran-wrapper {
  position: relative;
  overflow: hidden;
  height: 92px;
  line-height: 0;
  background: var(--cis-bg);
  transition: background-color var(--cis-transition);
}

.cis-toran {
  width: 100%;
  height: 92px;
  display: block;
  transform: translateY(-115%);
  transition: transform 1.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform;
}

.cis-toran--visible { transform: translateY(0); }

/* Toran SVG elements — theme-reactive via CSS custom properties */
.cis-toran .toran-rope     { stroke: var(--cis-accent-2); transition: stroke var(--cis-transition); }
.cis-toran .toran-leaf     { fill: var(--cis-accent-2);   transition: fill var(--cis-transition);   }
.cis-toran .toran-vein     { stroke: var(--cis-accent);   transition: stroke var(--cis-transition); }
.cis-toran .toran-petal    { fill: var(--cis-accent);     transition: fill var(--cis-transition);   }
.cis-toran .toran-center   { fill: var(--cis-accent-2);   transition: fill var(--cis-transition);   }
.cis-toran .toran-string   { stroke: rgba(var(--cis-glow-rgb), 0.55); transition: stroke var(--cis-transition); }

@media (prefers-reduced-motion: reduce) {
  .cis-toran { transition: none; transform: translateY(0); }
}

@media (max-width: 600px) {
  .cis-toran-wrapper { height: 70px; }
  .cis-toran { height: 70px; }
}


/* ═══════════════════════════════════════════════════════════════════
   CIS PHASE 2 — Ambient Particle Canvas
   One fixed canvas per page. Particles switch config on ceremony change.
   ═══════════════════════════════════════════════════════════════════ */

#cis-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 1.4s ease;
}

#cis-particles.cis-particles--active { opacity: 1; }


/* ═══════════════════════════════════════════════════════════════════
   CIS PHASE 3 — Generative Rangoli Canvas
   Background art for .cis-header — unique per visitor, recolours on
   ceremony change. Drawn by ceremony-intelligence.js cisRangoli module.
   ═══════════════════════════════════════════════════════════════════ */

.cis-header { position: relative; overflow: hidden; }

#cis-rangoli {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.6s ease;
}

#cis-rangoli.cis-rangoli--ready { opacity: 0.28; }

/* Returning visitor: header gets a subtle warm pulse on eyebrow */
.cis-header--returning .cis-header__eyebrow {
  background: rgba(var(--cis-glow-rgb), 0.18);
  border-color: rgba(var(--cis-glow-rgb), 0.5);
  animation: cis-eyebrow-pulse 3s ease-in-out 1;
}

@keyframes cis-eyebrow-pulse {
  0%,100% { box-shadow: none; }
  50%      { box-shadow: 0 0 18px 4px rgba(var(--cis-glow-rgb), 0.35); }
}

@media (prefers-reduced-motion: reduce) {
  #cis-rangoli { transition: none; }
  .cis-header--returning .cis-header__eyebrow { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   PHASE 4 — SFX SCRUB DEMO
   Scroll-scrubbed canvas SFX experience between ceremony and gallery sections.
   ═══════════════════════════════════════════════════════════════════════════ */

.cis-sfx-demo {
  position: relative;
  height: 450vh;
  background: #030306;
  /* Isolation creates a stacking context so z-indexes inside are self-contained */
  isolation: isolate;
}

.cis-sfx-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 100;
  background: #030306;
  display: none;                 /* hidden by default; JS adds --active */
}

.cis-sfx-overlay--active {
  display: block;
}

#cis-sfx-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  /* render size is set via JS .width/.height attrs, not CSS */
}

/* Header — top-centre, always visible */
.cis-sfx-header {
  position: absolute;
  top: 9%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 2;
  pointer-events: none;
  white-space: nowrap;
}

.cis-sfx-header h2 {
  font-size: clamp(1.35rem, 3.8vw, 2.4rem);
  color: #fff;
  margin: 0 0 0.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.9);
}

.cis-sfx-header p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.42);
  margin: 0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Label stack — bottom-centre, stage descriptions cross-fade */
.cis-sfx-labels {
  position: absolute;
  bottom: 22%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 2;
  pointer-events: none;
  min-height: 4.5rem;
}

.cis-sfx-label {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  transition: opacity 0.35s ease;
}

.cis-sfx-label h3 {
  font-size: clamp(1.15rem, 3.2vw, 1.9rem);
  color: #fff;
  margin: 0 0 0.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-shadow: 0 0 32px rgba(255, 150, 0, 0.45);
}

.cis-sfx-label p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.48);
  margin: 0;
  letter-spacing: 0.055em;
}

/* Scroll progress pill — bottom-centre */
.cis-sfx-progress {
  position: absolute;
  bottom: 7%;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  z-index: 2;
  overflow: hidden;
}

.cis-sfx-progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #FF9900, #FFD700);
  border-radius: 2px;
  transition: width 0.08s linear;
}

/* CTA — bottom-right, fades in at 75% scroll */
.cis-sfx-cta {
  position: absolute;
  bottom: 9%;
  right: 5%;
  z-index: 3;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
}

.cis-sfx-cta.cis-sfx-cta--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Reduced-motion: collapse spacer; overlay will still show but not animate */
@media (prefers-reduced-motion: reduce) {
  .cis-sfx-demo { height: 100vh; }
}

/* Mobile adjustments */
@media (max-width: 640px) {
  .cis-sfx-demo          { height: 380vh; }
  .cis-sfx-header h2     { font-size: 1.25rem; }
  .cis-sfx-label h3      { font-size: 1.05rem; }
  .cis-sfx-cta           { right: 50%; transform: translateX(50%) translateY(8px); bottom: 6%; }
  .cis-sfx-cta.cis-sfx-cta--visible { transform: translateX(50%) translateY(0); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   PHASE 5 — WARP-GATE CEREMONY TRANSITION
   clip-path circle expands from scroll position, covers viewport, swaps
   ceremony palette underneath, then contracts — portal-open illusion.
   ═══════════════════════════════════════════════════════════════════════════ */

#cis-warp-gate {
  position: fixed;
  inset: 0;
  z-index: 2000;            /* above everything — wa-float is z:1050, warp-gate must be higher */
  pointer-events: none;
  clip-path: circle(0% at 50% 50%);
  opacity: 0;
  will-change: clip-path;
}

@media (prefers-reduced-motion: reduce) {
  #cis-warp-gate { display: none; }
}