/* ===== Fonts ===== */
@font-face {
  font-family: "Nanum Myeongjo";
  src: url("../assets/fonts/NanumMyeongjo-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Nanum Myeongjo";
  src: url("../assets/fonts/NanumMyeongjo-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Nanum Myeongjo";
  src: url("../assets/fonts/NanumMyeongjo-ExtraBold.ttf") format("truetype");
  font-weight: 800;
  font-display: swap;
}
@font-face {
  font-family: "Be Vietnam Pro";
  src: url("../assets/fonts/BeVietnamPro-Light.ttf") format("truetype");
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: "Be Vietnam Pro";
  src: url("../assets/fonts/BeVietnamPro-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Be Vietnam Pro";
  src: url("../assets/fonts/BeVietnamPro-Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Be Vietnam Pro";
  src: url("../assets/fonts/BeVietnamPro-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}

/* ===== Design tokens ===== */
:root {
  --navy: #040631;
  --navy-muted: rgba(4, 6, 49, 0.486);
  --navy-faint: rgba(4, 6, 49, 0.36);
  --blue: #0274ff;
  --blue-faint: rgba(2, 116, 255, 0.36);
  --orange: #ff5900;
  --white: #ffffff;
  --bg: #ffffff;
  --border: rgba(4, 6, 49, 0.1);
  --font-display: "Nanum Myeongjo", Georgia, serif;
  --font-body: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container: 1320px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--navy);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; margin: 0 0 1rem; line-height: 1.2; }
p { margin: 0 0 1rem; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.muted { color: var(--navy-muted); }
.accent { color: var(--blue); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  border: 1px solid var(--navy);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--navy); color: var(--white); }
.btn-solid {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}
.btn-solid:hover { background: var(--navy); border-color: var(--navy); }
.btn img { width: 14px; height: 14px; }

/* ===== Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-row {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-logo img { height: 28px; width: auto; }
.nav-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--navy-muted);
  transition: color 0.2s ease;
}
.nav-links a:hover,
.nav-links a.active { color: var(--blue); }
.nav-cta {
  padding: 0.65rem 1.35rem;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--navy);
  display: block;
}

@media (max-width: 780px) {
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    height: calc(100vh - 64px);
    height: calc(100dvh - 64px);
    background: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-toggle { display: flex; }
}

@media (max-width: 420px) {
  .nav-cta { padding: 0.55rem 1rem; font-size: 0.78rem; }
}

/* ===== Hero / sections ===== */
.section { padding: clamp(3rem, 8vw, 6rem) 0; }
.section-tight { padding: clamp(1.5rem, 4vw, 3rem) 0; }
.section-snug { padding: clamp(1.5rem, 4vw, 2.75rem) 0; }
.hero {
  min-height: min(calc(100vh - 64px), 820px);
  display: flex;
  align-items: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: 0.75fr 2.2fr 0.75fr;
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
  width: 100%;
}
.hero-grid .decor { align-self: center; }
.hero-copy { text-align: center; }
.hero-copy h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.15;
  color: var(--navy);
}
.hero-copy h1 .accent { color: var(--blue); }
.hero-copy .subtitle {
  display: block;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--navy-muted);
  margin-top: 0.75rem;
}
.hero-copy .lead {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.65;
  color: var(--navy);
  max-width: 74ch;
  margin: 1.75rem auto 0;
}
.hero-copy p { color: var(--navy-muted); max-width: 32ch; margin-inline: auto; }
.scroll-cue {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--blue-faint);
  text-align: center;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-grid .decor { max-width: 220px; margin: 0 auto; }
}

.page-hero {
  padding: clamp(3rem, 10vw, 7rem) 0 clamp(2rem, 6vw, 4rem);
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  max-width: 20ch;
  margin-inline: auto;
}
.page-hero p { color: var(--navy-muted); max-width: 48ch; margin: 1rem auto 0; }

/* ===== Floating photo collage ===== */
.floating-collage {
  position: relative;
  height: clamp(340px, 40vw, 560px);
  margin: 2rem 0;
}
.floating-collage .fc-photo {
  position: absolute;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 20px 40px rgba(4, 6, 49, 0.18);
}
.floating-collage .fc-sphere {
  position: absolute;
  width: 100%;
  height: auto;
  pointer-events: none;
}
.fc-pointing {
  left: 0%;
  top: 18%;
  width: 27%;
  aspect-ratio: 3 / 2;
  transform: rotate(-4deg);
  z-index: 2;
}
.fc-crowd {
  left: 27%;
  top: 6%;
  width: 50%;
  aspect-ratio: 16 / 9;
  transform: rotate(1.5deg);
  z-index: 2;
}
.fc-workshop {
  right: 0%;
  top: 30%;
  width: 20%;
  aspect-ratio: 3 / 4;
  transform: rotate(3deg);
  z-index: 3;
}
.fc-sphere-1 {
  left: 19%;
  top: -6%;
  width: 15%;
  z-index: 1;
}
.fc-sphere-2 {
  left: 39%;
  top: 64%;
  width: 10%;
  z-index: 4;
}
@media (max-width: 780px) {
  .floating-collage { height: auto; display: flex; flex-direction: column; gap: 1rem; padding: 1rem 0; }
  .floating-collage .fc-photo,
  .floating-collage .fc-sphere { position: static; width: 100%; transform: none; }
  .fc-crowd, .fc-pointing, .fc-workshop { aspect-ratio: 3 / 2; }
}

/* ===== Two-col content rows ===== */
.split-row {
  display: grid;
  grid-template-columns: 5fr 1fr 6fr;
  align-items: center;
  gap: 1.5rem;
}
.split-row.reverse { grid-template-columns: 6fr 1fr 5fr; }
@media (max-width: 900px) {
  .split-row, .split-row.reverse { grid-template-columns: 1fr; }
}

/* ===== Services grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem 2.5rem;
}
.service-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1.25rem;
}
.service-card h3 { color: var(--blue); font-size: 1.35rem; }
.service-card p { color: var(--navy-muted); font-size: 0.95rem; }
@media (max-width: 980px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .services-grid { grid-template-columns: 1fr; }
}

.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--border);
}
.service-block:last-child { border-bottom: none; }
.service-block.reverse .service-media { order: 2; }
.service-block h2 { color: var(--blue); font-size: clamp(1.4rem, 2.5vw, 1.9rem); }
.service-block ul { list-style: none; margin: 1.25rem 0; padding: 0; }
.service-block ul li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.6rem;
  color: var(--navy-muted);
  font-size: 0.95rem;
}
.service-block ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}
.service-block ul li strong { color: var(--navy); font-weight: 600; }
.service-media img { border-radius: 12px; }
@media (max-width: 900px) {
  .service-block, .service-block.reverse { grid-template-columns: 1fr; }
  .service-block.reverse .service-media { order: 0; }
}

/* ===== Testimonials ===== */
.testimonial-grid {
  display: grid;
  grid-template-columns: 5fr 1fr 6fr;
  gap: 2rem;
}
.testimonial { margin-bottom: 2rem; }
.testimonial p:first-child { font-family: var(--font-display); font-size: 1.1rem; line-height: 1.6; }
.testimonial .who { font-size: 0.9rem; }
.testimonial .who .name { color: var(--orange); }
.testimonial .who .org { color: var(--navy-muted); }
@media (max-width: 900px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* ===== Clients strip ===== */
.clients-strip {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0.85;
}
.clients-strip img { width: 360px; height: 80px; object-fit: contain; }

/* ===== Media / podcasts / stages lists ===== */
.link-list { list-style: none; }
.link-list li {
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 0;
}
.link-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--navy);
  transition: color 0.2s ease;
}
.link-list a:hover { color: var(--blue); }
.link-list a::after { content: "→"; color: var(--blue); flex-shrink: 0; }

/* ===== Principles strip ===== */
.principles-strip {
  display: flex;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  flex-wrap: wrap;
  padding: 2rem 0;
}
.principles-strip img { height: 32px; width: auto; opacity: 0.7; }

/* ===== Footer ===== */
.site-footer { padding: clamp(2.5rem, 6vw, 4rem) 0 2rem; border-top: 1px solid var(--border); }
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.footer-logo img { height: 30px; width: auto; }
.footer-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.copyright { color: var(--navy-muted); font-size: 0.85rem; }

.divider-line { width: 100%; height: auto; opacity: 0.4; margin: 1.5rem 0; }

/* ===== Utility ===== */
.text-center { text-align: center; }
.eyebrow {
  text-align: center;
  color: var(--navy-muted);
  letter-spacing: 0.02em;
  margin-bottom: 0;
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
}