/* ==========================================================================
   G Factor — Components
   Intro · Header · Menu · Button · Link · Form · Marquee · Footer
   ========================================================================== */

/* ---------- Intro (first visit only) ---------- */
.intro {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.7s var(--ease) 0.1s, visibility 0s linear 0.8s;
}

.intro.is-done {
  opacity: 0;
  visibility: hidden;
}

.intro__mark {
  display: grid;
  justify-items: center;
  gap: 22px;
}

.intro__mark img {
  width: clamp(72px, 12vw, 120px);
  height: auto;
  clip-path: inset(0 0 100% 0);
  animation: intro-in 1s var(--ease) 0.1s forwards;
}

.intro__mark p {
  font-size: var(--fs-caption);
  color: var(--text-3);
  letter-spacing: 0.01em;
  opacity: 0;
  animation: fade-in 0.8s var(--ease) 0.7s forwards;
}

@keyframes intro-in {
  to {
    clip-path: inset(0);
  }
}

@keyframes fade-in {
  to {
    opacity: 1;
  }
}

html.no-intro .intro {
  display: none;
}

/* ---------- Header ---------- */
.hd {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header);
  border-bottom: 1px solid transparent;
  transition: transform 0.5s var(--ease), background-color 0.3s, border-color 0.3s;
}

.hd.is-scrolled {
  background: rgba(6, 5, 14, 0.72);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: saturate(150%) blur(18px);
  backdrop-filter: saturate(150%) blur(18px);
}

.hd.is-hidden {
  transform: translateY(-100%);
}

.hd__in {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--s4);
}

.hd__logo {
  display: block;
  margin-right: auto;
  padding: 8px 0;
}

.hd__logo img {
  width: auto;
  height: 20px;
}

.hd__nav {
  display: none;
  gap: var(--s4);
}

.hd__nav a {
  position: relative;
  padding: 6px 0;
  font-size: var(--fs-small);
  color: var(--text-2);
  transition: color 0.2s;
}

.hd__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.hd__nav a:hover,
.hd__nav a[aria-current="true"] {
  color: var(--text);
}

.hd__nav a:hover::after,
.hd__nav a[aria-current="true"]::after {
  transform: scaleX(1);
}

.hd .hd__cta {
  display: none;
}

.hd__menu {
  min-height: 44px;
  padding: 0 2px;
  font-size: var(--fs-small);
  font-weight: 500;
}

@media (min-width: 900px) {
  .hd__nav,
  .hd .hd__cta {
    display: flex;
  }

  .hd__nav {
    margin-right: var(--s2);
  }

  .hd__menu {
    display: none;
  }
}

/* ---------- Menu (mobile) ---------- */
.menu {
  position: fixed;
  inset: var(--header) 0 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  padding: var(--s5) var(--gutter) max(var(--s4), env(safe-area-inset-bottom));
  background: var(--bg);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  overflow-y: auto;
}

.menu::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 60%;
  background: radial-gradient(90% 80% at 50% 110%, rgba(var(--glow-rgb), 0.45), transparent 70%);
  pointer-events: none;
}

.menu[hidden] {
  display: none;
}

.menu.is-open {
  opacity: 1;
}

.menu nav {
  position: relative;
  display: grid;
}

.menu nav a {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 2.25rem;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.035em;
  transform: translateY(14px);
  opacity: 0;
  transition: transform 0.6s var(--ease), opacity 0.6s var(--ease);
  transition-delay: calc(var(--i, 0) * 45ms);
}

.menu.is-open nav a {
  transform: none;
  opacity: 1;
}

.menu__foot {
  position: relative;
  display: grid;
  gap: var(--s2);
  margin-top: auto;
  padding-top: var(--s5);
  font-size: var(--fs-small);
  color: var(--text-2);
}

/* ---------- Button ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding: 0 24px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--violet-hi);
  color: #fff;
  font-size: var(--fs-small);
  font-weight: 500;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24), 0 0 0 1px rgba(143, 128, 255, 0.5), 0 10px 32px -10px rgba(var(--glow-rgb), 0.9);
  transition: transform 0.25s var(--ease), box-shadow 0.3s;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.28) 50%, transparent 70%);
  transform: translateX(-120%);
}

.btn:hover::after {
  transform: translateX(120%);
  transition: transform 0.8s var(--ease);
}

.btn:hover {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 0 0 1px rgba(180, 169, 242, 0.8), 0 14px 40px -8px rgba(var(--glow-rgb), 1);
}

.btn:active {
  transform: scale(0.98);
}

.btn--sm {
  height: 40px;
  padding: 0 18px;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 0 0 1px var(--line-3);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 0 0 1px var(--lav);
}

.btn--light {
  background: var(--text);
  color: var(--bg);
  box-shadow: none;
}

.btn--light:hover {
  background: #fff;
  box-shadow: 0 14px 40px -10px rgba(255, 255, 255, 0.45);
}

.btn--light::after {
  background: linear-gradient(105deg, transparent 30%, rgba(91, 59, 255, 0.18) 50%, transparent 70%);
}

/* ---------- Text link ---------- */
.tlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text);
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  padding-bottom: 3px;
  opacity: 0.92;
  transition: background-size 0.45s var(--ease), opacity 0.2s;
}

.tlink::after {
  content: "→";
  transition: transform 0.35s var(--ease);
}

.tlink:hover {
  opacity: 1;
}

.tlink:hover::after {
  transform: translateX(4px);
}

.tlink--plain::after {
  display: none;
}

/* ---------- Form ---------- */
.form {
  display: grid;
  gap: var(--s3) var(--col-gap);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 640px) {
  .form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .field--full,
  .form__foot,
  .form__status,
  .form__note,
  .form__plan {
    grid-column: 1 / -1;
  }
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: var(--fs-caption);
  color: var(--text-2);
}

.field input,
.field textarea {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.03);
  font-size: 1.0625rem;
  line-height: 1.4;
  outline: none;
  transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-4);
}

.field input:hover,
.field textarea:hover {
  border-color: var(--line-3);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--violet-soft);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 4px rgba(var(--glow-rgb), 0.22);
}

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

.field__error {
  font-size: var(--fs-caption);
  color: var(--err);
}

.field__error:empty {
  display: none;
}

.form__plan {
  display: none;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  border: 1px dashed var(--line-3);
  font-size: var(--fs-small);
  color: var(--text-2);
}

.form__plan.is-visible {
  display: grid;
}

.form__plan b {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  font-weight: 400;
  color: var(--lav);
}

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2) var(--s3);
}

.form__note {
  font-size: var(--fs-caption);
  color: var(--text-3);
}

.form__note a {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.form__status {
  display: none;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(74, 222, 155, 0.35);
  background: rgba(74, 222, 155, 0.08);
  font-size: var(--fs-small);
}

.form__status.is-visible {
  display: block;
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 48s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__group {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--s5);
  padding: 22px var(--s3);
  margin: 0;
  list-style: none;
  font-size: var(--fs-small);
  color: var(--text-3);
  white-space: nowrap;
}

.marquee__group li {
  display: inline-flex;
  align-items: center;
  gap: var(--s5);
}

.marquee__group li::after {
  content: "";
  width: 5px;
  height: 5px;
  border: 1px solid var(--violet-soft);
  transform: rotate(45deg);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- Footer ---------- */
.ft {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--rhythm-s) 0 var(--s4);
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.ft::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 70%;
  z-index: -2;
  background: radial-gradient(80% 90% at 50% 120%, rgba(var(--glow-rgb), 0.55), transparent 70%);
}

.ft__grid {
  display: grid;
  gap: var(--s5) var(--col-gap);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ft__brand {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--s2);
  align-content: start;
}

.ft__brand img {
  width: auto;
  height: 22px;
}

.ft__brand p {
  max-width: 34ch;
  font-size: var(--fs-small);
  color: var(--text-3);
}

.ft h2 {
  margin-bottom: var(--s2);
  font-family: var(--mono);
  font-size: var(--fs-mono);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-3);
}

.ft ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-small);
}

.ft a {
  color: var(--text-2);
  transition: color 0.2s;
}

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

.ft address {
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--text-2);
}

.ft__word {
  display: grid;
  margin-top: var(--s7);
  font-size: clamp(2.5rem, 0.2rem + 10.6vw, 11.5rem);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.06em;
  color: transparent;
  background: linear-gradient(180deg, rgba(243, 242, 250, 0.95) 0%, rgba(180, 169, 242, 0.55) 60%, rgba(143, 128, 255, 0.2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  user-select: none;
}

.ft__word span:nth-child(2) {
  padding-left: 0.5em;
}

.ft__word span:nth-child(3) {
  padding-left: 1em;
}

.ft__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s1) var(--s4);
  margin-top: var(--s5);
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
  font-size: var(--fs-caption);
  color: var(--text-3);
}

.ft__bottom nav {
  display: flex;
  gap: var(--s3);
}

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

@media (min-width: 760px) {
  .ft__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .ft__brand {
    grid-column: span 4;
  }

  .ft__col {
    grid-column: span 2;
  }

  .ft__col--wide {
    grid-column: span 3;
  }
}