/* ── TOKENS ─────────────────────────────────────── */
:root {
  --bg:        #080808;
  --bg2:       #111111;
  --bg3:       #1a1a1a;
  --accent:    #f1ff82;
  --accent-d:  #f0efee;
  --accent-g:  rgba(241,255,130,.12);
  --text:      #f0efee;
  --muted:     #dbd9d8;
  --border:    rgba(255,255,255,.07);
  --r:         14px;
  --r2:        22px;
  --wide:      1280px;
  --hero-wide: 1800px;
}

/* ── RESET ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; }
a { color: inherit; text-decoration: none; }

/* ── UTILITIES ───────────────────────────────────── */
.accent  { color: var(--accent); }
.muted   { color: var(--muted); }
.center  { text-align: center; }

/* Wide content container */
.container {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 5vw;
}

/* ── SCROLL-REVEAL ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ── NOISE TEXTURE OVERLAY ───────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ─────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 5vw;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(8,8,8,.7);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}
.nav-logo {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-size: .65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.nav-cta {
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: .85rem;
  padding: 9px 20px;
  border-radius: 50px;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.nav-cta:hover {
  background: #d4e167;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(245,192,0,.35);
}
.nav-cta:active { transform: translateY(0); }

/* ── HERO ────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100svh;

  max-width: var(--hero-wide);
  margin: 0 auto;

  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;

  padding: 120px 5vw 80px;
  overflow: hidden;
}
@media(max-width:860px) {
  #hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 110px 6vw 60px;
  }
}

/* Radial glow */
#hero::after {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 70%;
  height: 70%;
  /*background: radial-gradient(ellipse, rgba(245,192,0,.07) 0%, transparent 70%);*/
  pointer-events: none;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 14px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: .3px;
  animation: fadeSlideDown .6s ease both;
}
.hero-label::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: .4; }
}
@keyframes fadeSlideDown {
  from { opacity:0; transform: translateY(-14px); }
  to   { opacity:1; transform: none; }
}

.hero-h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -2px;
  margin-bottom: 22px;
  animation: heroTextIn .8s .1s ease both;
}
@keyframes heroTextIn {
  from { opacity:0; transform: translateY(28px); }
  to   { opacity:1; transform: none; }
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 36px;
  animation: heroTextIn .8s .25s ease both;
}
@media(max-width:860px) { .hero-sub { margin-inline: auto; } }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: heroTextIn .8s .38s ease both;
}
@media(max-width:860px) { .hero-actions { justify-content: center; } }

.btn-primary {
  background: var(--accent);
  color: #000;
  font-size: 1rem;
  font-weight: 800;
  padding: 16px 36px;
  border-radius: 50px;
  letter-spacing: -.3px;
  position: relative;
  overflow: hidden;
  transition: transform .22s, box-shadow .22s, background .22s;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.18), transparent);
  border-radius: inherit;
}
.btn-primary:hover {
  background: #d4e167;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 40px rgba(245,192,0,.4);
}
.btn-primary:active { transform: scale(.98); }

/* Ripple */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(0,0,0,.18);
  transform: scale(0);
  animation: rippleAnim .6s linear;
  pointer-events: none;
}
@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

.hero-secondary {
  background: none;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 600;
  padding: 14px 20px;
  border-radius: 50px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color .2s, border-color .2s;
}
.hero-secondary:hover { color: var(--text); border-color: rgba(255,255,255,.2); }

.hero-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  animation: heroTextIn .8s .5s ease both;
}
@media(max-width:860px) { .hero-proof { justify-content: center; } }
.avatars {
  display: flex;
}
.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--bg);
  margin-left: -8px;
  overflow: hidden;
}
.avatar:first-child { margin-left: 0; }
.proof-text { font-size: .82rem; color: var(--muted); }
.proof-text strong { color: var(--text); }
.stars { color: var(--accent); font-size: .85rem; }

/* Hero mockup */
.hero-mockup {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: heroMockup .9s .2s ease both;
}
@keyframes heroMockup {
  from { opacity:0; transform: translateX(40px) scale(.96); }
  to   { opacity:1; transform: none; }
}
.hero-mockup svg {
  width: 100%;
  max-width: 420px;
  filter: drop-shadow(0 40px 80px rgba(241,255,130,.1));
}
@media(max-width:860px) {
  .hero-mockup { margin-top: 20px; }
  .hero-mockup svg { max-width: 320px; }
}

/* Floating badges on mockup */
.float-badge {
  position: absolute;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: .75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}
.float-badge-1 {
  top: 8%;
  right: -4%;
  animation: floatA 3.5s ease-in-out infinite;
}
.float-badge-2 {
  bottom: 18%;
  left: -4%;
  animation: floatB 4s ease-in-out infinite;
}
@keyframes floatA {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
@keyframes floatB {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(8px); }
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

/* ── SECTION SHARED ──────────────────────────────── */
section {
  position: relative;
  z-index: 1;
}

/* ── SECTION HEADERS ─────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 16px;
}
.section-sub {
  color: var(--muted);
  font-size: 1rem;
  max-width: 560px;
  margin-bottom: 56px;
}

/* Fade divider */
.fade-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
  margin: 0 0 80px;
}

/* ── HOW IT WORKS ────────────────────────────────── */
#how {
  padding: 80px 0;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.step-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform .25s, border-color .25s;
}
.step-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.step-card:hover { transform: translateY(-6px); border-color: rgba(245,192,0,.2); }
.step-card:hover::before { opacity: 1; }

.step-num {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(245,192,0,.1);
  line-height: 1;
  margin-bottom: 16px;
}
.step-icon {
  width: 44px; height: 44px;
  background: var(--bg3);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step-icon svg { width: 22px; height: 22px; }
.step-title { font-size: 1rem; font-weight: 800; margin-bottom: 8px; }
.step-desc  { font-size: .85rem; color: var(--muted); line-height: 1.6; }

/* ── TOOL SECTION ────────────────────────────────── */
#tool {
  padding: 0 0 20px;
}

/* ── UPLOAD ZONE ─────────────────────────────────── */
.tool-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 40px;
}
@media(max-width:600px) { .tool-card { padding: 24px 18px; } }

#drop-zone {
  border: 2px dashed rgba(245,192,0,.25);
  border-radius: var(--r);
  padding: 52px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .3s, background .3s;
  position: relative;
  overflow: hidden;
}
#drop-zone:hover,
#drop-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-g);
}
#drop-zone.has-image {
  border-color: rgba(245,192,0,.5);
  padding: 16px;
}
.drop-icon {
  width: 56px; height: 56px;
  background: var(--bg3);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: transform .3s;
}
#drop-zone:hover .drop-icon { transform: scale(1.08) rotate(-4deg); }
.drop-icon svg { width: 26px; height: 26px; }
.drop-title { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.drop-sub   { font-size: .82rem; color: var(--muted); }
.drop-sub kbd {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-family: inherit;
  font-size: .78rem;
}
#file-input { display: none; }

#preview-wrap {
  display: none;
  position: relative;
}
#preview-img {
  width: 100%;
  max-height: 340px;
  object-fit: contain;
  border-radius: 10px;
  background: var(--bg3);
}
.preview-clear {
  position: absolute;
  top: 8px; right: 8px;
  background: rgba(0,0,0,.7);
  border: 1px solid var(--border);
  color: var(--text);
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: background .2s, transform .2s;
}
.preview-clear:hover { background: rgba(200,0,0,.7); transform: scale(1.1); }

/* Pieces selector */
.pieces-row {
  margin-top: 28px;
}
.pieces-label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.pieces-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.piece-btn {
  flex: 1;
  min-width: 60px;
  max-width: 90px;
  aspect-ratio: 1;
  background: var(--bg3);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: .8rem;
  font-weight: 700;
  color: var(--muted);
  transition: border-color .2s, color .2s, background .2s, transform .18s;
}
.piece-btn:hover {
  border-color: rgba(245,192,0,.4);
  color: var(--text);
  transform: translateY(-2px);
}
.piece-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-g);
}
.piece-btn .mini-grid {
  display: flex;
  gap: 2px;
}
.mini-grid span {
  height: 20px;
  background: currentColor;
  border-radius: 2px;
  opacity: .6;
}
.piece-btn.active .mini-grid span { opacity: 1; }

.pieces-custom {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}
.pieces-custom label { font-size: .82rem; color: var(--muted); font-weight: 600; }
.pieces-custom input[type=number] {
  width: 72px;
  background: var(--bg3);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 700;
  padding: 8px 12px;
  text-align: center;
  transition: border-color .2s;
  -moz-appearance: textfield;
}
.pieces-custom input::-webkit-inner-spin-button { display: none; }
.pieces-custom input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Split button */
#split-btn {
  margin-top: 32px;
  width: 100%;
  padding: 17px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -.2px;
  background: var(--bg3);
  color: var(--muted);
  border: 1.5px solid var(--border);
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
#split-btn.ready {
  background: var(--accent);
  color: #000;
  border-color: transparent;
  box-shadow: 0 4px 24px rgba(245,192,0,.2);
}
#split-btn.ready:hover {
  background: #d4e167;
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(245,192,0,.4);
}
#split-btn.ready:active { transform: scale(.98); }
#split-btn.loading {
  background: var(--bg3);
  color: var(--muted);
  pointer-events: none;
}
#split-btn .btn-loader {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto;
}
#split-btn.loading .btn-text { display: none; }
#split-btn.loading .btn-loader { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Clear all button */
#clear-all-btn {
  display: none;
  margin-top: 12px;
  width: 100%;
  padding: 13px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 700;
  background: none;
  color: var(--muted);
  border: 1.5px solid var(--border);
  transition: color .2s, border-color .2s;
}
#clear-all-btn:hover {
  color: var(--text);
  border-color: rgba(255,255,255,.2);
}

/* ── RESULTS ─────────────────────────────────────── */
#results-section {
  margin-top: 48px;
  display: none;
}
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.results-title { font-size: 1rem; font-weight: 700; }
.results-meta  { font-size: .82rem; color: var(--muted); }
#download-all-btn {
  background: var(--bg3);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-size: .82rem;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: border-color .2s, transform .2s;
}
#download-all-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

#results-grid {
  display: flex;
  flex-direction: row;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
}
#results-grid .result-piece {
  flex: 1 0 0;
  min-width: 0;
}
.result-piece {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  animation: pieceIn .45s ease both;
  transition: transform .2s, box-shadow .2s;
}
.result-piece:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
}
@keyframes pieceIn {
  from { opacity:0; transform: scale(.9) translateY(16px); }
  to   { opacity:1; transform: none; }
}
.result-piece img {
  width: 100%;
  display: block;
  background: var(--bg3);
}
.piece-footer {
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.piece-num {
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
}
.piece-dl {
  background: var(--accent-g);
  border: 1px solid rgba(245,192,0,.2);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background .2s, transform .2s;
}
.piece-dl:hover {
  background: rgba(245,192,0,.22);
  transform: scale(1.04);
}
.piece-dl svg { width:12px; height:12px; }

/* ── FEATURES STRIP ──────────────────────────────── */
#features {
  padding: 0 0 80px;
}
.features-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.feat-chip {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 10px 18px;
  font-size: .82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  transition: border-color .2s, color .2s;
}
.feat-chip:hover { border-color: rgba(245,192,0,.3); color: var(--text); }
.feat-chip-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── FOOTER ──────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-logo { font-size: 1rem; font-weight: 800; letter-spacing: -.5px; }
footer p { font-size: .8rem; color: var(--muted); }

/* ── TOAST ───────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 12px 22px;
  font-size: .85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 999;
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
  transition: transform .4s cubic-bezier(.34,1.56,.64,1), opacity .4s;
  opacity: 0;
  pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.toast-icon { font-size: 1.1rem; }