/* ============================================================
   OREUM CREATIVE: navy ink, electric blue, white air.
   Palette pulled from the logo vector.
   ============================================================ */

:root {
  --navy:       #051e4c;   /* logo navy */
  --navy-deep:  #03153a;
  --blue:       #0066fe;   /* logo electric blue */
  --blue-mid:   #0342a5;   /* logo mid blue */
  --blue-soft:  #3d8bff;
  --blue-light: #80b2fe;   /* logo light blue */
  --blue-tint:  #dce9ff;
  --bg:         #ffffff;
  --bg-alt:     #f3f7fe;
  --line:       #dfe8f6;
  --line-navy:  rgba(128, 178, 254, 0.22);
  --slate:      #44546e;
  --slate-on-navy: #b9c8e6;

  --font-display: "Sora", "Avenir Next", sans-serif;
  --font-body: "Manrope", "Helvetica Neue", sans-serif;

  --measure: 40rem;
  --pad-x: clamp(1.25rem, 5vw, 4.5rem);
  --radius: 1.25rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(0, 102, 254, 0.2); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

img { max-width: 100%; height: auto; }

/* ---------- shared ---------- */

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 2px;
  background: var(--blue);
  flex-shrink: 0;
}

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: #fff;
  background: var(--blue);
  padding: 0.95em 1.8em;
  border-radius: 0.7em;
  text-decoration: none;
  box-shadow: 0 10px 24px -12px rgba(0, 102, 254, 0.55);
  transition: background 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), transform 0.2s var(--ease-out);
  will-change: transform;
}
.btn:hover { background: var(--blue-mid); box-shadow: 0 14px 30px -12px rgba(3, 66, 165, 0.6); }

.btn-small { padding: 0.7em 1.35em; font-size: 0.83rem; }

.btn-light { background: #fff; color: var(--navy); box-shadow: 0 10px 24px -14px rgba(3, 21, 58, 0.7); }
.btn-light:hover { background: var(--blue-tint); box-shadow: 0 14px 30px -14px rgba(3, 21, 58, 0.8); }

.link-arrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 0.2em;
  transition: color 0.2s;
}
.link-arrow::after { content: " ↓"; color: var(--blue); }
.link-arrow:hover { color: var(--blue); }

/* scroll reveals */
.reveal {
  opacity: 0;
  transform: translateY(1.4rem);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }

/* SplitText (ported from ReactBits SplitText) */
.split .st-word { display: inline-block; white-space: nowrap; }
.split .st-seg {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.9em);
  transition: opacity 0.7s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--sd, 0s);
  will-change: transform, opacity;
}
.split.st-in .st-seg { opacity: 1; transform: none; }

/* ---------- header ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 0.85rem var(--pad-x);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.site-head.scrolled { border-bottom-color: var(--line); }

.brand { display: flex; align-items: center; text-decoration: none; }
.brand-lockup { display: block; height: 2.4rem; width: auto; }

.site-nav { display: flex; gap: 1.8rem; margin-left: auto; }
.site-nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s;
}
.site-nav a:hover { color: var(--blue); }

@media (max-width: 760px) {
  .site-nav { display: none; }
  .site-head { justify-content: space-between; }
}

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(3.5rem, 9vh, 7rem) var(--pad-x) clamp(3.5rem, 9vh, 6.5rem);
}

.hero h1 {
  font-size: clamp(2.5rem, 1.8rem + 3.6vw, 4.6rem);
  font-weight: 800;
}
.hero h1 em { color: var(--blue); font-style: normal; }

.lede {
  max-width: var(--measure);
  margin-top: 1.5rem;
  font-size: clamp(1.02rem, 0.97rem + 0.3vw, 1.2rem);
  color: var(--slate);
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  flex-wrap: wrap;
  margin-top: 2.3rem;
}

.hero-tag {
  margin-top: clamp(2.5rem, 6vh, 4rem);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
}
.hero-tag span { color: var(--blue); }

/* hero visual: MetallicSwirl shader panel (vendored ReactBits) */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 4.6;
  max-height: 34rem;
  border-radius: calc(var(--radius) * 1.4);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(5, 30, 76, 0.35);
}
#swirl { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.hero-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(7.5rem, 40%, 11rem);
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 18px 45px -18px rgba(5, 30, 76, 0.45);
}
.hero-badge img { width: 62%; height: auto; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { aspect-ratio: 16 / 10; max-height: 20rem; order: 2; }
}

/* ---------- marquee (ReactBits LogoLoop pattern) ---------- */

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 0.95rem 0;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 2.2rem;
  padding-right: 2.2rem;
  animation: marquee 36s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
}
.marquee-track i { font-style: normal; color: var(--blue); font-size: 0.9rem; }

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

/* ---------- the gap ---------- */

.gap { padding: clamp(4rem, 10vh, 7.5rem) var(--pad-x); }

.gap-intro h2 {
  font-size: clamp(1.8rem, 1.4rem + 2vw, 3rem);
  max-width: 18em;
}

.gap-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: clamp(1.5rem, 4vw, 4rem);
  max-width: 54rem;
  margin-top: 3rem;
}

.gap-fail { border-top: 2px solid var(--line); padding-top: 1.2rem; }
.fail-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-mid);
}
.gap-fail h3 {
  font-size: 1.3rem;
  margin: 0.5rem 0 0.6rem;
  text-decoration: line-through;
  text-decoration-color: var(--blue);
  text-decoration-thickness: 2px;
}
.gap-fail p { color: var(--slate); max-width: 26em; }

.gap-answer {
  margin-top: clamp(2.5rem, 6vh, 4.5rem);
  margin-left: clamp(0rem, 8vw, 9rem);
  max-width: 46rem;
  border-left: 3px solid var(--blue);
  padding-left: clamp(1.2rem, 3vw, 2.2rem);
}
.gap-answer p {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.12rem, 1rem + 0.6vw, 1.5rem);
  line-height: 1.5;
}
.gap-answer em { color: var(--blue); font-style: normal; }

/* ---------- funnel (navy) ---------- */

.funnel {
  background: var(--navy);
  color: #fff;
  padding: clamp(4.5rem, 11vh, 8rem) var(--pad-x) clamp(4rem, 10vh, 7rem);
}

.funnel .eyebrow { color: var(--blue-soft); }
.funnel .eyebrow::before { background: var(--blue-soft); }

.funnel-head h2 { font-size: clamp(1.9rem, 1.5rem + 2.2vw, 3.2rem); }
.funnel-sub { color: var(--slate-on-navy); max-width: var(--measure); margin-top: 1rem; }

.stages-wrap { position: relative; margin-top: clamp(3rem, 8vh, 5.5rem); }
.ascent {
  position: absolute;
  inset: -1.5rem 0 0.5rem;
  width: 100%;
  height: calc(100% + 1rem);
  pointer-events: none;
}

.stages {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.4rem;
  align-items: start;
  position: relative;
}

.stage {
  margin-top: calc((5 - var(--i)) * 2.6rem);
  border-top: 2px solid var(--line-navy);
  padding-top: 1rem;
  transition-delay: var(--d, 0s);
}
.stage:hover { border-top-color: var(--blue-soft); }

.stage-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--blue-soft);
}
.stage h3 { font-size: 1.18rem; margin: 0.35rem 0 0.5rem; }
.stage p { font-size: 0.85rem; line-height: 1.55; color: var(--slate-on-navy); }

@media (max-width: 900px) {
  .ascent { display: none; }
  .stages { grid-template-columns: 1fr; gap: 0; max-width: 32rem; }
  .stage {
    margin-top: 0;
    border-top: none;
    border-left: 2px solid var(--line-navy);
    padding: 1.1rem 0 1.1rem 1.4rem;
  }
  .stage:hover { border-left-color: var(--blue-soft); }
}

/* ---------- four questions ---------- */

.questions { padding: clamp(4.5rem, 11vh, 8rem) var(--pad-x); }

.q-head h2 {
  font-size: clamp(1.8rem, 1.4rem + 2vw, 3rem);
  max-width: 17em;
}
.q-head > p:last-child { color: var(--slate); margin-top: 1rem; }

.q-list {
  list-style: none;
  margin-top: clamp(2.5rem, 7vh, 4.5rem);
  max-width: 52rem;
}

.q-item {
  display: flex;
  gap: clamp(1.2rem, 4vw, 3rem);
  align-items: baseline;
  padding: clamp(1.4rem, 3vh, 2.2rem) 0;
  border-bottom: 1px solid var(--line);
}
.q-item:nth-child(even) { margin-left: clamp(0rem, 6vw, 5rem); }

.q-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 1.9rem + 2.3vw, 4rem);
  line-height: 1;
  color: var(--blue);
  flex-shrink: 0;
  min-width: 1.2em;
}
.q-item h3 { font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.6rem); margin-bottom: 0.4rem; }
.q-item p { color: var(--slate); max-width: 34em; }

.q-payoff {
  margin: clamp(2.5rem, 6vh, 4rem) 0 0 auto;
  max-width: 34rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.5rem);
  line-height: 1.45;
  text-align: right;
}
.q-payoff em { color: var(--blue); font-style: normal; }

/* ---------- aligned incentives ---------- */

.aligned {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(4.5rem, 11vh, 8rem) var(--pad-x);
}
.aligned-inner { max-width: 62rem; }

.aligned h2 { font-size: clamp(2rem, 1.5rem + 2.4vw, 3.6rem); }
.aligned h2 em { color: var(--blue); font-style: normal; }

.aligned-lede {
  max-width: var(--measure);
  margin-top: 1.4rem;
  font-size: clamp(1.02rem, 0.97rem + 0.3vw, 1.2rem);
  color: var(--slate);
}

.aligned-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: clamp(1.8rem, 4vw, 3.5rem);
  margin-top: clamp(2.5rem, 6vh, 4rem);
}
.aligned-list h3 { font-size: 1.18rem; margin-bottom: 0.5rem; }
.aligned-list h3::before {
  content: "";
  display: block;
  width: 2rem;
  height: 3px;
  background: var(--blue);
  margin-bottom: 0.9rem;
}
.aligned-list p { color: var(--slate); font-size: 0.94rem; }

/* ---------- engage ---------- */

.engage { padding: clamp(4.5rem, 11vh, 8rem) var(--pad-x); }

.engage > h2 { font-size: clamp(1.8rem, 1.4rem + 2vw, 3rem); }

.models {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 60rem;
  margin-top: 2.8rem;
}

/* SpotlightCard (ported from ReactBits) */
.spot { position: relative; overflow: hidden; }
.spot::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), var(--spot-color, rgba(0, 102, 254, 0.09)), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.spot:hover::before { opacity: 1; }

.model {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.2rem);
  background: #fff;
}
.model-core {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
  --spot-color: rgba(128, 178, 254, 0.14);
}
.model-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--blue);
}
.model-core .model-num { color: var(--blue-soft); }
.model h3 { font-size: 1.4rem; margin: 0.4rem 0 0.7rem; }
.model p { font-size: 0.94rem; color: var(--slate); }
.model-core p { color: var(--slate-on-navy); }

.model-badge {
  position: absolute;
  top: clamp(1.5rem, 3vw, 2.2rem);
  right: clamp(1.5rem, 3vw, 2.2rem);
  font-family: var(--font-display);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-light);
}
@media (max-width: 560px) {
  .model-badge { position: static; display: block; margin-bottom: 0.6rem; }
}

.audit {
  margin-top: clamp(3rem, 7vh, 5rem);
  max-width: 60rem;
  background: linear-gradient(120deg, var(--blue-mid), var(--blue) 55%, var(--blue-soft));
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(2rem, 5vw, 3.2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
  scroll-margin-top: 5rem;
  box-shadow: 0 30px 60px -30px rgba(0, 102, 254, 0.5);
}
.audit h3 { font-size: clamp(1.45rem, 1.25rem + 1vw, 2rem); max-width: 16em; }
.audit h3 em { font-style: normal; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 5px; }
.audit p { margin-top: 0.9rem; max-width: 36em; color: #e6efff; font-size: 0.96rem; }
.audit .btn-light { flex-shrink: 0; }
.audit-copy { flex: 1 1 24rem; }

/* ---------- serve ---------- */

.serve {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding: clamp(4.5rem, 11vh, 8rem) var(--pad-x);
}
.serve h2 { font-size: clamp(1.8rem, 1.4rem + 2vw, 3rem); max-width: 15em; }
.serve-lede { max-width: 42rem; margin-top: 1.3rem; color: var(--slate); }

.serve-lang {
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--slate);
  max-width: 42rem;
}
.serve-lang span { font-family: var(--font-display); font-weight: 600; color: var(--navy); }

/* ---------- name story ---------- */

.name-story {
  padding: clamp(5rem, 13vh, 9rem) var(--pad-x);
  display: flex;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  flex-wrap: wrap;
}

.hangul {
  font-family: var(--font-display), "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  font-weight: 800;
  font-size: clamp(6rem, 4rem + 10vw, 13rem);
  line-height: 1;
  color: var(--blue-tint);
  -webkit-text-stroke: 2px var(--blue-light);
  user-select: none;
}

.name-copy { flex: 1 1 24rem; max-width: 38rem; }
.name-copy h2 { font-size: clamp(1.7rem, 1.3rem + 1.8vw, 2.7rem); margin-bottom: 1rem; }
.name-copy p { color: var(--slate); font-size: clamp(1rem, 0.95rem + 0.3vw, 1.12rem); }
.name-copy strong { color: var(--navy); }
.name-copy em { font-style: normal; color: var(--blue); font-weight: 700; }

/* ---------- final cta ---------- */

.final {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
  padding: clamp(5rem, 13vh, 9rem) var(--pad-x);
  text-align: center;
}
.final-mark {
  position: absolute;
  right: -6%;
  bottom: -12%;
  width: clamp(16rem, 34vw, 30rem);
  opacity: 0.07;
  pointer-events: none;
}
.final h2 {
  font-size: clamp(1.9rem, 1.4rem + 2.6vw, 3.6rem);
  max-width: 17em;
  margin-inline: auto;
}
.final p {
  color: var(--slate-on-navy);
  max-width: 34rem;
  margin: 1.3rem auto 2.4rem;
}

/* ---------- footer ---------- */

.site-foot {
  background: var(--navy-deep);
  color: #fff;
  padding: 2.4rem var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.foot-left { display: flex; flex-direction: column; align-items: flex-start; gap: 0.75rem; }
.foot-lockup { display: block; height: 1.9rem; width: auto; }
.foot-tag {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-light);
}
.foot-legal { font-size: 0.82rem; color: #64789e; }

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .split .st-seg { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .btn, .btn:hover { transition: none; transform: none !important; }
}