/* ==========================================================================
   AIShortFilmz
   Tokens > Base > Layout > Components > Sections > Motion
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ink: #0d1128;
  --ink-2: #141a3a;
  --line: #2a3160;
  --field-border: #59629f;
  --text: #edebf6;
  --muted: #a3a7c6;
  --amber: #ffb43b;
  --amber-hover: #ffc566;
  --amber-ink: #241700;
  --danger: #ff9a9a;

  --font-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;

  --header-h: 4.5rem;
  --container: 72rem;
  --radius: 10px;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.1;
  text-wrap: balance;
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
  max-width: 60ch;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

section[id] {
  scroll-margin-top: var(--header-h);
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 600;
  border-radius: 8px;
}

.skip-link:focus {
  top: 1rem;
}

/* ---------- Buttons and links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--amber);
  color: var(--amber-ink);
  font: 600 1rem/1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn:hover {
  background: var(--amber-hover);
}

.btn:disabled {
  opacity: 0.7;
  cursor: progress;
}

.btn-small {
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
}

.btn-block {
  width: 100%;
}

.text-link {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--muted);
  text-underline-offset: 0.3em;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.text-link:hover {
  color: var(--amber);
  text-decoration-color: var(--amber);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 17, 40, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font: 700 1.3rem/1 var(--font-display);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-mark rect {
  fill: var(--amber);
}

.brand-mark path {
  fill: var(--ink);
}

/* Mobile navigation (default) */
.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.nav-toggle-bars {
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  padding: 0.75rem 1.25rem 1.5rem;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.site-nav.is-open {
  display: block;
}

.site-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-nav a:not(.btn) {
  display: block;
  padding: 0.75rem 0;
  color: var(--muted);
  font-weight: 500;
  text-decoration: none;
}

.site-nav a:not(.btn):hover {
  color: var(--text);
}

.site-nav .btn {
  margin-top: 0.75rem;
  width: 100%;
}

@media (min-width: 760px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: block;
    position: static;
    padding: 0;
    background: none;
    border: 0;
  }

  .site-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
  }

  .site-nav a:not(.btn) {
    padding: 0.4rem 0;
  }

  .site-nav .btn {
    margin-top: 0;
    width: auto;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(3rem, 8vw, 6rem) clamp(3.5rem, 7vw, 5.5rem);
}

/* A soft projector glow behind the headline */
.hero::before {
  content: "";
  position: absolute;
  top: -25%;
  right: -12%;
  width: min(70vw, 60rem);
  aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(255, 180, 59, 0.14), transparent);
  pointer-events: none;
}

.hero .container {
  position: relative;
}

.hero-title {
  max-width: 16em;
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.hero-lead {
  max-width: 38rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
  margin-top: 2rem;
}

/* ---------- Length scrubber ---------- */
.scrubber {
  --thumb: 22px;
  --p: 30.44;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1.5rem, 3.5vw, 2.5rem) 1.25rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.scrubber-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.5rem 3rem;
  margin-bottom: 1.25rem;
}

.scrubber-timecode {
  min-width: 5ch;
  font: 700 clamp(3.5rem, 9vw, 6rem)/1 var(--font-display);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.scrubber-format {
  flex: 1 1 18rem;
  min-height: 5.5rem;
  padding-bottom: 0.4rem;
}

.scrubber-format-name {
  font: 700 1.5rem/1.2 var(--font-display);
  color: var(--amber);
}

.scrubber-format-text {
  margin-top: 0.35rem;
  color: var(--muted);
}

.timeline {
  position: relative;
  padding-top: 20px;
}

.timeline-track {
  position: relative;
  height: 64px;
  overflow: hidden;
  border-radius: 6px;
  background:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 14px),
    var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}

/* The clip grows to the playhead, like a clip on an editing timeline */
.timeline-clip {
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 0;
  width: calc(var(--p) * 1% + (0.5 - var(--p) / 100) * var(--thumb));
  background: linear-gradient(90deg, rgba(255, 180, 59, 0.08), rgba(255, 180, 59, 0.3));
  border-radius: 0 3px 3px 0;
}

.timeline-range {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 88px;
  margin: 0;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  cursor: ew-resize;
  touch-action: pan-y;
}

.timeline-range:focus-visible {
  outline: none;
}

.timeline-range::-webkit-slider-runnable-track {
  height: 88px;
  background: transparent;
}

.timeline-range::-moz-range-track {
  height: 88px;
  background: transparent;
}

/* The thumb is the playhead: a handle on top and a line through the track */
.timeline-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: var(--thumb);
  height: 88px;
  border: 0;
  border-radius: 6px;
  background:
    linear-gradient(90deg, transparent 8px, rgba(13, 17, 40, 0.55) 8px 10px, transparent 10px 12px, rgba(13, 17, 40, 0.55) 12px 14px, transparent 14px) top left / 100% 24px no-repeat,
    linear-gradient(var(--amber), var(--amber)) top / 100% 24px no-repeat,
    linear-gradient(var(--amber), var(--amber)) center / 2px 100% no-repeat;
}

.timeline-range::-moz-range-thumb {
  width: var(--thumb);
  height: 88px;
  border: 0;
  border-radius: 6px;
  background:
    linear-gradient(90deg, transparent 8px, rgba(13, 17, 40, 0.55) 8px 10px, transparent 10px 12px, rgba(13, 17, 40, 0.55) 12px 14px, transparent 14px) top left / 100% 24px no-repeat,
    linear-gradient(var(--amber), var(--amber)) top / 100% 24px no-repeat,
    linear-gradient(var(--amber), var(--amber)) center / 2px 100% no-repeat;
}

.timeline-range:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 2px var(--ink-2), 0 0 0 4px var(--text);
}

.timeline-range:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 2px var(--ink-2), 0 0 0 4px var(--text);
}

.timeline-ticks {
  position: relative;
  height: 2.25rem;
  margin-top: 1rem;
}

.timeline-ticks li {
  position: absolute;
  top: 0;
  left: calc(var(--p) * 1% + (0.5 - var(--p) / 100) * var(--thumb));
  transform: translateX(-50%);
}

.timeline-ticks li::before {
  content: "";
  position: absolute;
  top: -0.45rem;
  left: 50%;
  width: 1px;
  height: 0.4rem;
  background: var(--muted);
}

.timeline-ticks button {
  padding: 0.35rem 0.5rem;
  background: none;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  font: 500 0.9rem/1.2 var(--font-body);
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: color 0.2s ease;
}

.timeline-ticks button:hover {
  color: var(--text);
}

.scrubber-hint {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 599px) {
  .tick-minor {
    display: none;
  }
}

/* ---------- Sections ---------- */
.section {
  padding-block: clamp(4rem, 9vw, 7rem);
}

.section-alt {
  background: var(--ink-2);
}

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section-head p {
  margin-top: 1rem;
  color: var(--muted);
}

/* ---------- What we make ---------- */
.offers {
  border-bottom: 1px solid var(--line);
}

.offer {
  display: grid;
  gap: 1rem 3rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}

.offer h3 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: 1.1;
}

.offer > p {
  color: var(--muted);
}

.offer-points {
  display: grid;
  gap: 0.5rem;
}

.offer-points li::before {
  content: "";
  display: inline-block;
  width: 0.9rem;
  height: 2px;
  margin-right: 0.65rem;
  vertical-align: middle;
  background: var(--amber);
}

@media (min-width: 900px) {
  .offer {
    grid-template-columns: 1fr 1.3fr 1fr;
    align-items: start;
  }
}

/* ---------- Process ---------- */
.process-layout {
  display: grid;
  gap: 3rem;
}

.process-intro > p {
  margin-top: 1rem;
  color: var(--muted);
}

.terms {
  margin: 2.5rem 0 0;
}

.terms > div {
  padding-block: 1.1rem;
  border-top: 1px solid var(--line);
}

.terms dt {
  font: 700 1.25rem/1.2 var(--font-display);
}

.terms dd {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.steps {
  counter-reset: none;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1.25rem;
  padding-bottom: 2.75rem;
}

.step:last-child {
  padding-bottom: 0;
}

/* Connector from this step to the next; it fills as you scroll past */
.step:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 1.125rem;
  bottom: -1.125rem;
  left: 1.125rem;
  width: 2px;
  margin-left: -1px;
  background:
    linear-gradient(var(--amber), var(--amber)) top / 100% 0 no-repeat,
    var(--line);
  transition: background-size 0.6s ease;
}

.step.is-passed::before {
  background-size: 100% 100%;
}

.step-number {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 2px solid var(--field-border);
  border-radius: 50%;
  background: var(--ink-2);
  color: var(--muted);
  font: 700 1rem/1 var(--font-display);
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.step.is-reached .step-number {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--amber-ink);
}

.step-body h3 {
  padding-top: 0.2rem;
}

.step-body p {
  margin-top: 0.5rem;
  color: var(--muted);
}

.step-tag {
  display: inline-block;
  margin-top: 0.85rem;
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--amber);
  border-radius: 999px;
  color: var(--amber);
  font-size: 0.875rem;
  font-weight: 600;
}

@media (min-width: 900px) {
  .process-layout {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 5rem;
  }

  .process-intro {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }
}

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  gap: 2.5rem 5rem;
  align-items: start;
}

.contact-copy > p {
  margin-top: 1rem;
  color: var(--muted);
}

.contact-copy > .contact-next {
  color: var(--text);
  font-weight: 500;
}

.form-panel {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.form {
  display: grid;
  gap: 1.25rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.975rem;
}

.field input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--ink);
  border: 1px solid var(--field-border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s ease;
}

.field input::placeholder {
  color: #7d82a8;
}

.field input:focus-visible {
  border-color: var(--amber);
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}

.field input[aria-invalid="true"] {
  border-color: var(--danger);
}

.field-hint,
.field-error {
  margin-top: 0.4rem;
  font-size: 0.9rem;
}

.field-hint {
  color: var(--muted);
}

.field-error {
  color: var(--danger);
}

.field-error:empty {
  display: none;
}

.form-status {
  color: var(--danger);
  font-size: 0.95rem;
}

.form-status:empty {
  display: none;
}

.form-success h3 {
  font-size: 1.75rem;
}

.form-success p {
  margin-top: 0.75rem;
  color: var(--muted);
}

.form-success:focus {
  outline: none;
}

/* Spam trap, hidden from people */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
}

.footer-inner a:hover {
  color: var(--text);
}

/* ---------- Motion ---------- */
/* One page-load sequence in the hero. Nothing else animates on its own. */
@media (prefers-reduced-motion: no-preference) {
  [data-enter] {
    opacity: 0;
    transform: translateY(14px);
    animation: enter 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
    animation-delay: calc(var(--i, 0) * 120ms + 100ms);
  }
}

@keyframes enter {
  to {
    opacity: 1;
    transform: none;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}