/* ===========================================================
   DDAZZL — dopamine retro-futurism
   =========================================================== */

:root {
  --void: #1a1035;
  --coral: #ff6b6b;
  --yellow: #ffd93d;
  --cream: #f5e6ca;
  --teal: #4ecdc4;
  --mauve: #c9b1ff;
  --carbon: #2d2a3e;

  --grad-primary: linear-gradient(135deg, #1a1035 0%, #4ecdc4 50%, #ffd93d 100%);
  --grad-secondary: linear-gradient(135deg, #ff6b6b 0%, #c9b1ff 100%);

  --font-display: 'Boogaloo', 'Lora', cursive;
  --font-body: 'Nunito', 'Inter', sans-serif;
  --font-mono: 'Space Mono', 'Space', monospace;

  --ease-overshoot: cubic-bezier(0.34, 1.56, 0.64, 1);
  --split-left: 1fr;
  --split-right: 1fr;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--cream);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* ============== Global overlays ============== */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.03) 0,
    rgba(255,255,255,0.03) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: overlay;
}

.grain {
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 8999;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grainShift 1.2s steps(6) infinite;
}

@keyframes grainShift {
  0%   { transform: translate(0,0); }
  20%  { transform: translate(-3%, 2%); }
  40%  { transform: translate(2%, -2%); }
  60%  { transform: translate(-2%, -3%); }
  80%  { transform: translate(3%, 2%); }
  100% { transform: translate(0,0); }
}

/* ============== Particles ============== */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 12px;
  height: 12px;
  opacity: 0.3;
  transform: translate3d(0,0,0) rotate(45deg);
  background: var(--coral);
  border: 1px solid rgba(255,255,255,0.4);
}
.particle.p-yellow { background: var(--yellow); }
.particle.p-teal   { background: var(--teal); }
.particle.p-mauve  { background: var(--mauve); }

/* ============== Nav ============== */
.nav-toggle {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9500;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border: 2px solid var(--coral);
  border-radius: 999px;
  background: rgba(26, 16, 53, 0.85);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cream);
  cursor: pointer;
  user-select: none;
  transition: transform 220ms var(--ease-overshoot), border-color 220ms ease;
}
.nav-toggle:hover { transform: translateX(-50%) scale(1.04); border-color: var(--yellow); }
.nav-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--coral);
  animation: pulse 2s ease-in-out infinite;
}
.nav-label { color: var(--yellow); }
.nav-sep { opacity: 0.4; }
.nav-alt { opacity: 0.5; }
.nav-toggle.vibe .nav-label { color: var(--coral); }
.nav-toggle.vibe .nav-alt   { color: var(--yellow); opacity: 1; }
.nav-toggle.vibe .nav-label,
.nav-toggle.vibe .nav-alt { /* swap visual emphasis */ }
body.mode-vibe .nav-toggle .nav-label { opacity: 0.5; color: var(--cream); }
body.mode-vibe .nav-toggle .nav-alt   { opacity: 1; color: var(--yellow); }

/* ============== Section base ============== */
.section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--split-left) var(--split-right);
  overflow: hidden;
  isolation: isolate;
}

.split-pane {
  position: relative;
  padding: clamp(40px, 7vw, 110px) clamp(24px, 5vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
}
.split-pane.dark   { background: var(--void); color: var(--cream); }
.split-pane.cream  { background: var(--cream); color: var(--carbon); }

.split-pane.dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='20'><path d='M0 10 L10 0 L20 10 L30 0 L40 10' stroke='%23ff6b6b' stroke-width='2' fill='none' opacity='0.1'/></svg>");
  pointer-events: none;
  z-index: 0;
}
.split-pane.cream::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24'><circle cx='2' cy='2' r='2' fill='%23ffd93d' opacity='0.18'/></svg>");
  pointer-events: none;
  z-index: 0;
}
.split-pane > * { position: relative; z-index: 1; }

/* ============== Seam ============== */
.seam-wrap {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 100%;
  z-index: 4;
  pointer-events: none;
}
.seam {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 0 8px rgba(255,107,107,0.4));
}

/* ============== Type ============== */
.mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 400;
}
.blink { animation: blink 1.4s steps(2) infinite; color: var(--coral); }
@keyframes blink { 50% { opacity: 0.25; } }

.accent-coral  { color: var(--coral); }
.accent-yellow { color: var(--yellow); }
.accent-teal   { color: var(--teal); }
.accent-mauve  { color: var(--mauve); }

.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--coral);
  vertical-align: middle;
  margin: 0 6px;
}
.pulse { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.15); }
}

/* ============== Stagger letters ============== */
[data-stagger] .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px) scale(0.6);
  filter: blur(8px);
  transition: opacity 600ms var(--ease-overshoot),
              transform 600ms var(--ease-overshoot),
              filter 600ms var(--ease-overshoot);
}
[data-stagger].in-view .char {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* ============== Zoomable ============== */
.zoomable {
  opacity: 0;
  transform: scale(0.6);
  filter: blur(8px);
  transition: opacity 600ms var(--ease-overshoot),
              transform 600ms var(--ease-overshoot),
              filter 600ms var(--ease-overshoot);
}
.zoomable.in-view {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
}
.zoomable:hover {
  transform: rotate3d(1,1,0,8deg) scale(1.04);
  transition: transform 200ms var(--ease-overshoot);
}

/* ============== Section 1 — Opener ============== */
.opener-eyebrow {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
  color: var(--mauve);
}
.opener-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  letter-spacing: -0.02em;
  line-height: 0.95;
  margin-bottom: 28px;
}
.opener-headline .line { display: block; }
.opener-sub {
  max-width: 38ch;
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  line-height: 1.6;
  color: var(--cream);
  margin-bottom: 36px;
}
.opener-meta {
  display: flex;
  align-items: center;
  color: var(--mauve);
}

.iso-constellation {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 60vh;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: clamp(10px, 2vw, 28px);
  padding: 4vw;
}
.iso {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(6px 8px 0 rgba(45,42,62,0.25));
  animation: float 6s ease-in-out infinite;
}
.iso svg { width: 80%; height: 80%; max-width: 180px; }
.iso-boombox  { animation-delay: 0s; }
.iso-bolt     { animation-delay: 0.6s; }
.iso-cassette { animation-delay: 1.2s; }
.iso-eye      { animation-delay: 1.8s; }
.iso-crystal  { animation-delay: 2.4s; }
.iso-cubes    { animation-delay: 3s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-10px) rotate(2deg); }
}

.iso:hover {
  filter: drop-shadow(8px 10px 0 var(--coral));
}

/* ============== Section 2 — Pulse ============== */
.section-pulse { grid-template-columns: 1fr 4fr; }
.section-pulse .narrow { padding-right: 24px; }
.section-pulse .wide   { padding-left: 40px; }

.vertical-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  position: absolute;
  top: 80px; left: 24px;
  color: var(--mauve);
}
.pulse-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  letter-spacing: -0.02em;
  line-height: 0.95;
}
.pulse-title .line { display: block; }

.tile-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(20px, 2.4vw, 40px);
  width: 100%;
}
.tile {
  background: #fff;
  border: 3px solid var(--carbon);
  box-shadow: 8px 10px 0 var(--carbon);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 260ms var(--ease-overshoot), box-shadow 260ms var(--ease-overshoot);
}
.tile:hover {
  transform: translate(-4px, -6px) rotate3d(1,1,0,8deg);
  box-shadow: 14px 16px 0 var(--coral);
}
.tile-art {
  background: var(--mauve);
  padding: 24px;
  border-bottom: 3px solid var(--carbon);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tile-art svg { width: 100%; max-width: 200px; height: auto; }
.tile:nth-child(2n) .tile-art { background: var(--yellow); }
.tile:nth-child(3n) .tile-art { background: var(--teal); }
.tile:nth-child(4n) .tile-art { background: var(--coral); }
.tile-meta {
  padding: 20px 22px 24px;
  color: var(--carbon);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tile-meta .mono { color: var(--coral); }
.tile-meta h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: -0.01em;
  line-height: 1;
  margin: 4px 0 6px;
}
.tile-meta p { font-size: 0.95rem; line-height: 1.55; }

/* ============== Section 3 — Manifesto ============== */
.section-manifesto {
  grid-template-columns: 1fr;
  background: var(--void);
  padding: clamp(80px, 12vw, 160px) clamp(24px, 6vw, 100px);
  position: relative;
  overflow: hidden;
}
.manifesto-bg {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  z-index: 0;
}
.manifesto-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-primary);
  mix-blend-mode: overlay;
  opacity: 0.6;
}
.manifesto-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  text-align: left;
}
.manifesto-tag { color: var(--teal); margin-bottom: 40px; display: block; }
.manifesto-line {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0.2em 0;
  color: var(--cream);
}
.manifesto-line.whisper { font-size: clamp(1.6rem, 3vw, 2.6rem); opacity: 0.7; }
.manifesto-line.murmur  { font-size: clamp(2.2rem, 4.5vw, 4rem); opacity: 0.85; }
.manifesto-line.speak   { font-size: clamp(3rem, 6vw, 5.5rem); }
.manifesto-line.shout   { font-size: clamp(4rem, 8vw, 7.5rem); }
.manifesto-line.scream  { font-size: clamp(5rem, 11vw, 10rem); line-height: 1; }

.strike {
  position: relative;
  display: inline-block;
}
.strike::after {
  content: "";
  position: absolute;
  left: -2%; right: -2%;
  top: 52%;
  height: 4px;
  background: var(--coral);
  transform: rotate(-2deg);
}

.manifesto-foot {
  margin-top: 48px;
  color: var(--mauve);
}

/* ============== Section 4 — Grid Break ============== */
.section-grid .grid-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 50px);
  margin-top: 32px;
}
.iso-pair {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border: 2px dashed var(--carbon);
  border-radius: 14px;
  background: rgba(255,255,255,0.5);
}
.split-pane.dark .iso-pair {
  background: rgba(255,255,255,0.04);
  border-color: var(--mauve);
  color: var(--cream);
}
.iso-pair svg { width: 80px; height: 80px; flex-shrink: 0; }
.iso-pair .mono {
  font-size: 14px;
  color: var(--coral);
  letter-spacing: 0.18em;
}
.split-pane.dark .iso-pair .mono { color: var(--yellow); }
.iso-pair:hover {
  transform: rotate3d(1,1,0,6deg) translateY(-4px);
  filter: drop-shadow(6px 8px 0 var(--coral));
  transition: transform 220ms var(--ease-overshoot);
}

/* ============== Section 5 — Close ============== */
.section-close {
  grid-template-columns: 1fr;
  background: var(--void);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(80px, 14vw, 180px) 24px;
  overflow: hidden;
}
.close-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.25;
  z-index: 0;
}
.close-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.close-inner > .mono { color: var(--teal); }
.close-line {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: var(--cream);
}
.close-line .line { display: block; }
.close-sub {
  max-width: 40ch;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--mauve);
}

.cta-dot {
  position: relative;
  width: 200px;
  height: 200px;
  display: grid;
  place-items: center;
  cursor: pointer;
  margin-top: 16px;
  border-radius: 50%;
  outline: none;
}
.cta-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--coral);
  animation: pulseRing 2s ease-in-out infinite;
}
.cta-ring::before, .cta-ring::after {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 2px solid var(--yellow);
  opacity: 0.5;
}
.cta-ring::after {
  inset: 30px;
  border-color: var(--teal);
  opacity: 0.3;
}
.cta-core {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--grad-secondary);
  box-shadow: 0 0 40px rgba(255,107,107,0.6), inset 0 0 20px rgba(255,255,255,0.4);
  animation: pulse 2s ease-in-out infinite;
}
.cta-label {
  position: absolute;
  bottom: -36px;
  color: var(--cream);
  font-size: 12px;
  letter-spacing: 0.25em;
}
.cta-dot:hover .cta-core { transform: scale(1.1); }
.cta-dot.activated .cta-core {
  box-shadow: 0 0 80px var(--yellow), 0 0 160px var(--coral);
}
@keyframes pulseRing {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50%      { transform: scale(1.08); opacity: 1; }
}

.close-foot { color: var(--mauve); margin-top: 60px; }

/* ============== Mode VIBE — densify ============== */
body.mode-vibe .section { gap: 0; }
body.mode-vibe .opener-sub,
body.mode-vibe .tile-meta p,
body.mode-vibe .close-sub { display: none; }
body.mode-vibe .iso-constellation { grid-template-columns: repeat(6, 1fr); grid-template-rows: 1fr; }
body.mode-vibe .tile-gallery { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* ============== Responsive ============== */
@media (max-width: 880px) {
  .section, .section-pulse { grid-template-columns: 1fr !important; }
  .seam-wrap { display: none; }
  .iso-constellation { grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(2, 1fr); min-height: 50vh; }
  .vertical-label { writing-mode: horizontal-tb; transform: none; position: static; margin-bottom: 16px; }
  .split-pane { min-height: auto; padding: 60px 24px; }
}