* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tool-intro {
  max-width: 780px;
  padding: 46px 0 28px;
}

.eyebrow {
  margin-bottom: 13px;
  color: var(--warm);
  font: 500 12px/1 var(--mono);
  letter-spacing: 0;
  text-transform: uppercase;
}

.tool-intro h1 {
  max-width: 760px;
  margin: 0;
  color: var(--text);
  font: 500 48px/1.06 var(--disp);
  letter-spacing: 0;
}

.tool-intro p {
  max-width: 64ch;
  margin: 18px 0 0;
  color: #C9CED6;
  font-size: 17px;
}

.planner-shell {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.planner-controls {
  min-width: 0;
  padding: 24px;
  border-right: 1px solid var(--border);
}

.planner-output {
  min-width: 0;
}

.pane-head,
.output-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.pane-head {
  margin-bottom: 18px;
}

.pane-head h2,
.output-head h2 {
  margin: 0;
  color: var(--text);
  font: 600 19px/1.25 var(--disp);
  letter-spacing: 0;
}

.pane-head span,
.output-head p {
  color: var(--dim);
  font: 500 11px/1.4 var(--mono);
}

.presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 18px;
}

.presets button,
.output-actions button,
.scene-copy,
.handoff button {
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--muted);
  cursor: pointer;
}

.presets button {
  min-width: 0;
  padding: 8px 5px;
  font-size: 11.5px;
}

.presets button[aria-pressed="true"],
.presets button:hover {
  border-color: var(--accent-dim);
  color: var(--text);
}

.field {
  display: block;
  margin-bottom: 14px;
}

.field > span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font: 500 11px/1 var(--mono);
  letter-spacing: 0;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #111317;
  color: var(--text);
}

.field input,
.field select {
  min-height: 44px;
  padding: 0 11px;
}

.field textarea {
  min-height: 78px;
  padding: 11px;
  resize: vertical;
  line-height: 1.5;
}

.setting-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 10px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin: 2px 0 8px;
  color: var(--text);
  font-size: 14px;
}

.toggle-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.form-error {
  min-height: 18px;
  margin: 0 0 8px;
  color: #FF8B8B;
  font-size: 12px;
}

.build-btn {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #06231F;
  font-weight: 600;
  cursor: pointer;
}

.proof {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #0D0F12;
}

.proof video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.proof > span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 5px;
  background: rgba(10, 11, 13, .78);
  color: #E8EAED;
  font: 500 11px/1 var(--mono);
}

.output-head {
  align-items: center;
  padding: 20px 22px 14px;
  border-bottom: 1px solid var(--border);
}

.output-head p {
  margin: 5px 0 0;
}

.output-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.output-actions button,
.scene-copy {
  min-height: 38px;
  padding: 0 11px;
  font-size: 12px;
}

.output-actions button:hover,
.scene-copy:hover {
  border-color: var(--dim);
  color: var(--text);
}

.scene-list {
  max-height: 660px;
  overflow-y: auto;
}

.scene {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.scene-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 11px;
}

.scene-number {
  color: var(--accent);
  font: 600 12px/1 var(--mono);
}

.scene-title {
  min-width: 0;
  margin: 0;
  color: var(--text);
  font: 600 15px/1.3 var(--sans);
}

.scene-time {
  margin-left: auto;
  color: var(--warm);
  font: 500 10.5px/1 var(--mono);
}

.scene-copy {
  min-height: 32px;
  margin-left: 4px;
}

.scene-label {
  margin: 11px 0 5px;
  color: var(--dim);
  font: 500 10px/1 var(--mono);
  text-transform: uppercase;
}

.scene-text {
  margin: 0;
  color: #C9CED6;
  font-size: 12.5px;
  line-height: 1.6;
}

.scene-narration {
  color: var(--text);
  font: 500 13px/1.55 var(--mono);
}

.handoff {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  background: #111317;
}

.handoff p {
  max-width: 62ch;
  margin: 0;
  color: var(--dim);
  font-size: 11.5px;
}

.handoff button {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 15px;
  border-color: var(--accent);
  background: var(--accent);
  color: #06231F;
  font-weight: 600;
}

.method,
.faq-section {
  padding: 60px 0 20px;
}

.method h2,
.faq-section h2 {
  margin: 0 0 24px;
  color: var(--text);
  font: 600 32px/1.18 var(--disp);
  letter-spacing: 0;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.method-grid article {
  padding: 22px 22px 24px 0;
}

.method-grid article + article {
  padding-left: 22px;
  border-left: 1px solid var(--border);
}

.method-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}

.method-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.faq {
  display: grid;
  gap: 8px;
  max-width: 780px;
}

.faq details {
  padding: 0 17px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
}

.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
  color: var(--text);
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: var(--accent);
  font-family: var(--mono);
}

.faq details[open] summary::after {
  content: "-";
}

.faq p {
  max-width: 66ch;
  margin: 0;
  padding: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 42px;
  padding: 26px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--dim);
  font-size: 13px;
}

footer .links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

footer .links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
}

@media (max-width: 820px) {
  .planner-shell {
    grid-template-columns: 1fr;
  }

  .planner-controls {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 620px) {
  .tool-intro {
    padding: 34px 0 24px;
  }

  .tool-intro h1 {
    font-size: 36px;
  }

  .planner-controls,
  .scene,
  .output-head,
  .handoff {
    padding-right: 15px;
    padding-left: 15px;
  }

  .presets,
  .setting-grid {
    grid-template-columns: 1fr 1fr;
  }

  .proof {
    aspect-ratio: 4 / 3;
  }

  .output-head,
  .handoff {
    align-items: stretch;
    flex-direction: column;
  }

  .output-actions {
    justify-content: flex-start;
  }

  .scene-list {
    max-height: none;
  }

  .scene-head {
    flex-wrap: wrap;
  }

  .scene-time {
    margin-left: auto;
  }

  .method-grid {
    grid-template-columns: 1fr;
  }

  .method-grid article,
  .method-grid article + article {
    padding: 18px 0;
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .method-grid article:first-child {
    border-top: 0;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .proof video {
    display: none;
  }

  .proof {
    background: #0D0F12 url("/landing-media/60038af6-c756-4a59-a7be-338eb2a1f08b.jpg") center / cover no-repeat;
  }
}