/* Animation Ads Course — styled after workflows.io */
:root {
  --bg: #07070a;
  --text: #eceef1;
  --dim: #989ca5;
  --faint: #5e636c;
  --panel: rgba(206, 214, 224, 0.05);
  --panel-2: rgba(206, 214, 224, 0.082);
  --line: rgba(206, 214, 224, 0.11);
  --glow: 206, 214, 224;
  --exp: 150, 185, 255;
  --radius: 18px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(206, 214, 224, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(206, 214, 224, 0.028) 1px, transparent 1px);
  background-size: 58px 58px;
  background-position: center top;
  overflow-x: hidden;
}

/* ambient blooms */
.bloom {
  position: fixed;
  width: 60vw; height: 60vw;
  max-width: 760px; max-height: 760px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  pointer-events: none;
}
.bloom-1 { top: -22vw; left: -14vw; background: rgba(120, 145, 200, 0.10); }
.bloom-2 { top: 30vw; right: -20vw; background: rgba(200, 209, 212, 0.06); }

/* shared glassy gradient-edge treatment */
.glassy { position: relative; }
.glassy::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(130% 130% at 78% 0%,
    rgba(var(--glow), 0.55), rgba(var(--glow), 0.07) 42%, rgba(var(--glow), 0) 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: background 0.3s ease;
}

/* ---- header ---- */
.site-head {
  position: relative; z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(48px, 9vw, 104px) 24px 12px;
  text-align: center;
}
.brand-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--panel);
  backdrop-filter: blur(6px);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.13em;
  color: var(--dim);
  margin-bottom: 28px;
}
.brand-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgb(var(--exp));
  box-shadow: 0 0 10px rgba(var(--exp), 0.9);
}
.site-head h1 {
  font-size: clamp(2.1rem, 5.4vw, 3.35rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.07;
}
.site-head h1 em {
  font-style: normal;
  color: transparent;
  background: linear-gradient(180deg, #fff, rgba(var(--exp), 0.85));
  -webkit-background-clip: text; background-clip: text;
}
.tagline {
  margin-top: 18px;
  font-size: 1.04rem;
  color: var(--dim);
  max-width: 600px;
  margin-inline: auto;
}

/* ---- controls ---- */
.controls {
  position: relative; z-index: 1;
  max-width: 1180px;
  margin: 40px auto 0;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.filters { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.pill {
  font-family: inherit;
  font-size: 13px; font-weight: 500;
  color: var(--dim);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 18px;
  cursor: pointer;
  transition: color 0.18s, background 0.18s, border-color 0.18s;
}
.pill:hover { color: var(--text); background: var(--panel-2); }
.pill.active {
  color: #fff;
  background: rgba(var(--glow), 0.12);
  border-color: rgba(var(--glow), 0.34);
  box-shadow: 0 0 22px rgba(var(--glow), 0.10);
}

.searchbar {
  display: flex; align-items: center; gap: 6px;
  width: 100%; max-width: 540px;
  background: rgba(206, 214, 224, 0.06);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 8px 8px 8px 16px;
}
.search-ico { width: 19px; height: 19px; color: #7c818b; flex-shrink: 0; }
.searchbar input {
  flex: 1;
  font-family: inherit; font-size: 15px;
  background: transparent; border: none; outline: none;
  color: var(--text);
  padding: 8px 6px;
}
.searchbar input::placeholder { color: #71757e; }

/* ---- section label ---- */
.section-label {
  position: relative; z-index: 1;
  max-width: 1180px;
  margin: 52px auto 18px;
  padding: 0 24px;
  font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--faint);
}
.section-label span { color: rgb(var(--exp)); }

/* ---- gallery ---- */
.gallery {
  position: relative; z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(218px, 1fr));
  gap: 16px;
}
.gallery.stagger .card { animation: rise 0.5s both; animation-delay: calc(var(--i) * 38ms); }
@keyframes rise { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: none; } }

.card {
  font-family: inherit;
  text-align: center;
  cursor: pointer;
  background: var(--panel);
  backdrop-filter: blur(7px);
  border-radius: var(--radius);
  padding: 26px 18px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: transform 0.2s ease, background 0.2s ease;
}
.card:hover { transform: translateY(-4px); background: var(--panel-2); }
.card:hover.glassy::before, .card:hover::before {
  background: radial-gradient(130% 130% at 78% 0%,
    rgba(var(--glow), 0.85), rgba(var(--glow), 0.12) 44%, rgba(var(--glow), 0) 72%);
}
.card-num {
  align-self: flex-start;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.card-thumb {
  width: 104px; height: 104px;
  border-radius: 50%;
  padding: 4px;
  border: 1.5px solid rgba(var(--glow), 0.35);
  margin-bottom: 14px;
  flex-shrink: 0;
}
.card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}
.card-title {
  font-size: 15.5px; font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.card-cat {
  margin-top: 9px;
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--dim);
  background: rgba(206, 214, 224, 0.06);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
}

.empty {
  position: relative; z-index: 1;
  text-align: center;
  color: var(--dim);
  padding: 30px 24px 60px;
}

.site-foot {
  position: relative; z-index: 1;
  text-align: center;
  color: var(--faint);
  font-size: 13px;
  padding: 30px 24px 64px;
  border-top: 1px solid rgba(206, 214, 224, 0.05);
  max-width: 1180px;
  margin: 20px auto 0;
}

/* ---- detail overlay ---- */
.detail-overlay {
  position: fixed; inset: 0;
  z-index: 50;
  overflow-y: auto;
  overflow-x: hidden;
}
.detail-overlay[hidden] { display: none; }
.detail-scrim {
  position: fixed; inset: 0;
  background: rgba(4, 4, 7, 0.78);
  backdrop-filter: blur(7px);
  animation: fade 0.25s ease;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.detail-panel {
  position: relative;
  width: min(940px, 92vw);
  margin: 5vh auto 8vh;
  background: #0c0c11;
  border-radius: 22px;
  padding: 0 0 8px;
  outline: none;
  animation: pop 0.3s cubic-bezier(0.2, 0.7, 0.25, 1) both;
}
@keyframes pop { from { opacity: 0; transform: translateY(22px) scale(0.99); } to { opacity: 1; transform: none; } }

.detail-close {
  position: absolute; top: 14px; right: 14px;
  z-index: 3;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(10, 10, 14, 0.7);
  backdrop-filter: blur(6px);
  color: var(--text);
  font-size: 22px; line-height: 1;
  cursor: pointer;
  transition: background 0.18s, transform 0.18s;
}
.detail-close:hover { background: rgba(var(--glow), 0.16); transform: rotate(90deg); }

.d-hero {
  width: 100%; height: clamp(220px, 38vw, 420px);
  overflow: hidden;
  border-radius: 22px 22px 0 0;
  background: #050507;
}
.d-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }

.d-head {
  padding: 26px clamp(22px, 4vw, 44px) 6px;
}
.d-kicker {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.d-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: rgb(var(--exp));
  letter-spacing: 0.05em;
}
.d-type {
  font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--faint);
}
.d-head h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
}
.d-cat {
  display: inline-block;
  margin-top: 12px;
  font-size: 11.5px; font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--dim);
  background: rgba(206, 214, 224, 0.06);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 13px;
}
.d-source {
  margin-top: 12px;
  font-size: 13px;
  color: var(--faint);
}
.d-source a { color: var(--dim); text-decoration: underline; text-underline-offset: 2px; }
.d-source a:hover { color: rgb(var(--exp)); }

/* detail sections */
.d-sec { padding: 22px clamp(22px, 4vw, 44px); }
.d-sec + .d-sec { border-top: 1px solid rgba(206, 214, 224, 0.055); }
.d-label {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 14px;
}
.d-body { font-size: 15.5px; color: #d6d9de; }
.d-intro { font-size: 14.5px; color: var(--dim); margin-bottom: 14px; }

.d-list { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.d-list li {
  font-size: 14.5px;
  color: #c9ccd3;
  padding-left: 18px;
  position: relative;
}
.d-list li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(var(--glow), 0.55);
}
.d-list strong { color: #fff; font-weight: 600; }

/* conversion job lead */
.conv-job {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: rgba(var(--exp), 0.09);
  border: 1px solid rgba(var(--exp), 0.26);
  border-radius: 12px;
  padding: 13px 15px;
  margin-bottom: 16px;
}
.conv-tag {
  display: inline-block;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgb(var(--exp));
  margin-right: 8px;
}

/* steps */
.d-steps { list-style: none; display: flex; flex-direction: column; gap: 12px; counter-reset: s; }
.d-steps li { display: flex; gap: 13px; align-items: flex-start; }
.step-n {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 8px;
  background: rgba(var(--glow), 0.10);
  border: 1px solid rgba(var(--glow), 0.22);
  color: #fff;
  font-size: 12.5px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}
.step-t { font-size: 14.5px; color: #c9ccd3; padding-top: 2px; }
.step-t strong { color: #fff; font-weight: 600; }

/* prompt box */
.prompt-box {
  position: relative;
  background: #060608;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 16px;
}
.prompt-box code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.8px;
  line-height: 1.7;
  color: #b9c4d6;
  white-space: pre-wrap;
  word-break: break-word;
  display: block;
  padding-right: 64px;
}
.prompt-copy {
  position: absolute; top: 11px; right: 11px;
  font-family: inherit; font-size: 11px; font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--dim);
  background: rgba(206, 214, 224, 0.07);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 5px 11px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}
.prompt-copy:hover { color: #fff; background: rgba(var(--glow), 0.14); }
.prompt-copy.done { color: rgb(var(--exp)); border-color: rgba(var(--exp), 0.4); }

/* default vs expert */
.d-sec-dx { background: rgba(206, 214, 224, 0.012); }
.dx-note { font-size: 13.5px; color: var(--dim); margin-bottom: 18px; }
.dx { margin-bottom: 16px; }
.dx:last-child { margin-bottom: 0; }
.dx-name {
  font-size: 14px; font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.dx-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dx-col { border-radius: 12px; padding: 14px 15px; }
.dx-default {
  background: rgba(206, 214, 224, 0.035);
  border: 1px solid rgba(206, 214, 224, 0.08);
}
.dx-expert {
  background: rgba(var(--exp), 0.07);
  border: 1px solid rgba(var(--exp), 0.30);
  box-shadow: 0 0 30px rgba(var(--exp), 0.07);
}
.dx-tag {
  display: inline-block;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.13em; text-transform: uppercase;
  margin-bottom: 7px;
}
.dx-default .dx-tag { color: var(--faint); }
.dx-expert .dx-tag { color: rgb(var(--exp)); }
.dx-col p { font-size: 13.7px; }
.dx-default p { color: #9498a1; }
.dx-expert p { color: #dfe4ec; }

.dx-gap {
  margin-top: 10px;
  display: flex; gap: 12px; align-items: baseline;
  background: linear-gradient(90deg, rgba(var(--exp), 0.10), rgba(var(--exp), 0.02));
  border-left: 2px solid rgb(var(--exp));
  border-radius: 0 10px 10px 0;
  padding: 12px 15px;
}
.dx-gap-tag {
  flex-shrink: 0;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.13em; text-transform: uppercase;
  color: rgb(var(--exp));
}
.dx-gap p { font-size: 13.7px; color: #cdd3dd; }
.dx-gap strong, .dx-col strong, .d-body strong { color: #fff; font-weight: 600; }

@media (max-width: 620px) {
  .dx-cols { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(auto-fill, minmax(154px, 1fr)); gap: 12px; }
  .card { padding: 20px 12px 18px; }
  .card-thumb { width: 84px; height: 84px; }
  .d-hero { border-radius: 0; }
  .detail-panel { width: 100vw; margin: 0; border-radius: 0; min-height: 100vh; }
}

/* ---- method card (module-00) ---- */
.card-method {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 32px);
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  background: linear-gradient(120deg, rgba(var(--exp), 0.10), rgba(var(--exp), 0.03));
  border-radius: var(--radius);
  padding: 24px clamp(20px, 3vw, 34px);
  margin-bottom: 4px;
  transition: transform 0.2s ease, background 0.2s ease;
}
.card-method::before {
  background: radial-gradient(130% 130% at 80% 0%,
    rgba(var(--exp), 0.70), rgba(var(--exp), 0.13) 45%, rgba(var(--exp), 0) 72%);
}
.card-method:hover {
  transform: translateY(-3px);
  background: linear-gradient(120deg, rgba(var(--exp), 0.16), rgba(var(--exp), 0.05));
}
.cm-left { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; flex-shrink: 0; }
.cm-badge {
  font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgb(var(--exp));
  background: rgba(var(--exp), 0.12);
  border: 1px solid rgba(var(--exp), 0.35);
  border-radius: 999px; padding: 5px 11px;
}
.cm-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(32px, 5vw, 50px); font-weight: 500;
  color: rgba(var(--exp), 0.55); line-height: 1;
}
.cm-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.cm-cat {
  font-size: 11px; font-weight: 600; letter-spacing: 0.13em; text-transform: uppercase;
  color: var(--faint);
}
.cm-title {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem); font-weight: 700;
  color: #fff; letter-spacing: -0.02em;
}
.cm-sum { font-size: 13.8px; color: var(--dim); }
.cm-go {
  flex-shrink: 0;
  font-size: 13px; font-weight: 600; color: rgb(var(--exp));
  white-space: nowrap;
}

/* ---- method detail ---- */
.d-head-method { padding-top: 42px; }
.m-head {
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 700; letter-spacing: -0.02em;
  color: #fff; margin-bottom: 13px;
}
.m-body p { font-size: 15px; color: #cdd0d7; margin-bottom: 12px; }
.m-body p:last-child { margin-bottom: 0; }
.m-body strong { color: #fff; font-weight: 600; }
.m-body h4 { font-size: 14px; font-weight: 600; color: #fff; margin: 18px 0 8px; }
.m-body ul, .m-body ol { margin: 6px 0 13px; padding: 0; list-style: none; }
.m-body li {
  font-size: 14.5px; color: #c9ccd3;
  padding-left: 27px; position: relative; margin-bottom: 9px;
}
.m-body ul li::before {
  content: ""; position: absolute; left: 7px; top: 9px;
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(var(--glow), 0.5);
}
.m-body ol { counter-reset: m; }
.m-body ol li { counter-increment: m; }
.m-body ol li::before {
  content: counter(m); position: absolute; left: 0; top: 1px;
  width: 20px; height: 20px; border-radius: 6px;
  background: rgba(var(--exp), 0.12); border: 1px solid rgba(var(--exp), 0.3);
  color: rgb(var(--exp)); font-size: 11px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}

/* ---- downloads ---- */
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dl {
  display: flex; align-items: flex-start; gap: 13px;
  text-decoration: none;
  background: rgba(206, 214, 224, 0.04);
  border: 1px solid var(--line);
  border-radius: 12px; padding: 16px;
  transition: background 0.18s, border-color 0.18s, transform 0.18s;
}
.dl:hover {
  background: rgba(var(--exp), 0.08);
  border-color: rgba(var(--exp), 0.35);
  transform: translateY(-2px);
}
.dl-ico {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 9px;
  background: rgba(var(--exp), 0.12); color: rgb(var(--exp));
  display: flex; align-items: center; justify-content: center;
}
.dl-ico svg { width: 20px; height: 20px; }
.dl-txt { display: flex; flex-direction: column; gap: 3px; }
.dl-title { font-size: 14.5px; font-weight: 600; color: #fff; }
.dl-note { font-size: 12.7px; color: var(--dim); line-height: 1.5; }

@media (max-width: 620px) {
  .card-method { flex-direction: column; align-items: flex-start; gap: 14px; }
  .cm-left { flex-direction: row; align-items: center; gap: 12px; }
  .cm-num { font-size: 30px; }
  .dl-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}