:root {
  --chum-primary: #00091b;
  --chum-primary-soft: #002045;
  --chum-accent: #00e5ff;
  --chum-secondary: #006875;
  --chum-bg: #f8f9ff;
  --chum-surface: #ffffff;
  --chum-surface-low: #eff4ff;
  --chum-text: #0b1c30;
  --chum-muted: #5f6672;
  --chum-line: #e2e8f0;
  --chum-brand-font: "Hanken Grotesk", "Pretendard", sans-serif;
  --chum-body-font: "Inter", "Pretendard", sans-serif;
  --chum-code-font: "JetBrains Mono", monospace;
}

.chumsoft-site {
  min-width: 320px;
  margin: 0;
  background: var(--chum-bg);
  color: var(--chum-text);
  font-family: var(--chum-body-font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.chumsoft-site *,
.chumsoft-site *::before,
.chumsoft-site *::after { box-sizing: border-box; }
.chumsoft-site img { display: block; max-width: 100%; }
.chum-container { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }

.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
  line-height: 1;
}

.chum-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--chum-line);
  background: #fff;
  transition: all .2s ease;
}

.chum-header .chum-container { width: 100%; max-width: 1440px; padding-inline: 24px; }
.chum-nav-wrapper { display: flex; height: 64px; align-items: center; }
.chum-brand,
.chum-footer-brand {
  display: inline-flex;
  align-items: center;
  color: var(--chum-primary);
  font-family: var(--chum-brand-font);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.02em;
  text-decoration: none;
}
.chum-brand { justify-self: start; gap: 12px; }
.chum-brand-icon { width: 32px; height: 32px; flex: 0 0 auto; transition: transform .2s ease; }
.chum-brand:hover .chum-brand-icon { transform: scale(1.05); }
.chum-nav { display: flex; height: 100%; align-items: center; gap: 4px; margin-left: auto; }
.chum-nav > a,
.chum-nav-item > a {
  display: flex;
  height: 100%;
  align-items: center;
  padding: 0 18px;
  border-bottom: 2px solid transparent;
  color: var(--chum-muted);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color .15s ease, border-color .15s ease, background-color .15s ease;
}
.chum-nav > a:hover,
.chum-nav-item > a:hover { background: var(--chum-surface-low); color: var(--chum-primary); }
.chum-nav > a.is-active,
.chum-nav-item > a.is-active { border-bottom-color: var(--chum-secondary); color: var(--chum-secondary); font-weight: 700; }
.chum-nav-item { position: relative; height: 100%; }
.chum-submenu {
  position: absolute;
  top: calc(100% - 1px);
  left: 50%;
  display: grid;
  width: max-content;
  min-width: 180px;
  padding: 8px;
  border: 1px solid var(--chum-line);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 14px 35px rgba(0, 9, 27, .12);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: .18s ease;
}
.chum-submenu a { padding: 9px 12px; border-radius: 6px; color: var(--chum-muted); font-size: 13px; text-decoration: none; }
.chum-submenu a:hover,
.chum-submenu a.is-active { background: var(--chum-surface-low); color: var(--chum-primary); }
.chum-nav-item:hover .chum-submenu,
.chum-nav-item:focus-within .chum-submenu { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }

.chum-primary-button,
.chum-secondary-button {
  display: inline-flex;
  min-height: 45px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 22px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.chum-primary-button { background: var(--chum-primary); color: #fff; box-shadow: 0 8px 20px rgba(0, 9, 27, .14); }
.chum-primary-button:hover { background: var(--chum-primary-soft); color: #fff; transform: translateY(-2px); }
.chum-secondary-button { border-color: #c4c6cf; background: rgba(255,255,255,.72); color: var(--chum-primary); }
.chum-secondary-button:hover { border-color: var(--chum-primary); color: var(--chum-primary); transform: translateY(-2px); }
.chum-primary-button .material-symbols-outlined { font-size: 18px; }
.chum-mobile-toggle {
  display: none;
  margin-left: auto;
  padding: 8px;
  place-items: center;
  border: 0;
  background: transparent;
  color: var(--chum-muted);
  cursor: pointer;
}
.chum-mobile-toggle .material-symbols-outlined { font-size: 28px; }
.chum-mobile-menu[hidden] { display: none; }
.chum-mobile-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--chum-line);
  background: #fff;
}
.chum-mobile-menu > a {
  padding: 12px 0;
  border-bottom: 1px solid var(--chum-line);
  color: var(--chum-primary);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  text-decoration: none;
}
.chum-mobile-menu > a.is-child { padding-left: 18px; color: var(--chum-muted); font-size: 14px; }

.chum-home { overflow: hidden; background: var(--chum-bg); }
.chum-hero { position: relative; isolation: isolate; background: linear-gradient(135deg, #f8f9ff 0%, #eff6ff 53%, #f6feff 100%); }
.chum-blueprint {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: linear-gradient(rgba(0, 104, 117, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 104, 117, .05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to right, #000, transparent 68%);
}
.chum-hero-grid { display: grid; min-height: 650px; grid-template-columns: minmax(0, 1fr) minmax(420px, .9fr); align-items: center; gap: 72px; padding-block: 84px 94px; }
.chum-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  border: 1px solid rgba(0, 104, 117, .2);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  padding: 7px 12px;
  color: var(--chum-secondary);
  font-family: var(--chum-code-font);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
}
.chum-status span { width: 7px; height: 7px; border-radius: 50%; background: #10b981; box-shadow: 0 0 0 5px rgba(16,185,129,.1); }
.chum-hero-copy h1 {
  max-width: 680px;
  margin: 0;
  color: var(--chum-primary);
  font-family: var(--chum-brand-font);
  font-size: clamp(48px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.055em;
}
.chum-hero-copy h1 em { position: relative; z-index: 0; color: var(--chum-primary-soft); font-style: normal; white-space: nowrap; }
.chum-hero-copy h1 em::after { position: absolute; z-index: -1; right: 0; bottom: 3px; left: 0; height: 14px; background: var(--chum-accent); content: ""; opacity: .44; transform: skewX(-9deg); }
.chum-hero-description { max-width: 620px; margin: 27px 0 0; color: var(--chum-muted); font-size: 16px; line-height: 1.9; word-break: keep-all; }
.chum-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.chum-hero-visual { position: relative; border: 1px solid rgba(0, 32, 69, .13); border-radius: 14px; background: #fff; padding: 9px; box-shadow: 0 26px 65px rgba(0, 32, 69, .18); transform: perspective(1200px) rotateY(-3deg) rotateX(1deg); }
.chum-hero-visual::before { position: absolute; z-index: -1; right: -34px; bottom: -34px; width: 62%; height: 65%; border-radius: 18px; background: var(--chum-accent); content: ""; opacity: .14; filter: blur(3px); }
.chum-hero-visual img { width: 100%; aspect-ratio: 3 / 2; border-radius: 9px; object-fit: cover; }
.chum-floating-card { position: absolute; display: flex; align-items: center; gap: 12px; min-width: 160px; border: 1px solid rgba(226,232,240,.92); border-radius: 9px; background: rgba(255,255,255,.94); padding: 13px 15px; box-shadow: 0 13px 30px rgba(0,9,27,.15); backdrop-filter: blur(10px); }
.chum-floating-card > .material-symbols-outlined { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 50%; background: #eafcff; color: var(--chum-secondary); font-size: 21px; }
.chum-floating-card small { display: block; color: #74777f; font-family: var(--chum-code-font); font-size: 8px; letter-spacing: .08em; }
.chum-floating-card strong { display: block; margin-top: 2px; color: var(--chum-primary); font-family: var(--chum-code-font); font-size: 15px; }
.chum-card-top { top: -25px; right: -24px; }
.chum-card-bottom { bottom: -27px; left: -28px; }

.chum-stats { position: relative; z-index: 2; background: var(--chum-primary); color: #fff; }
.chum-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.chum-stats-grid > div { padding: 36px 24px; border-right: 1px solid rgba(255,255,255,.12); text-align: center; }
.chum-stats-grid > div:first-child { border-left: 1px solid rgba(255,255,255,.12); }
.chum-stats strong { font-family: var(--chum-brand-font); font-size: clamp(30px, 3.3vw, 44px); line-height: 1; }
.chum-stats strong span { color: var(--chum-accent); font-size: .58em; }
.chum-stats p { margin: 9px 0 0; color: #aebed7; font-size: 12px; font-weight: 600; }

.chum-pillars { scroll-margin-top: 76px; padding: 105px 0 118px; background: #fff; }
.chum-section-heading { max-width: 780px; margin: 0 auto 52px; text-align: center; }
.chum-section-heading > p { margin: 0 0 12px; color: var(--chum-secondary); font-family: var(--chum-code-font); font-size: 10px; font-weight: 700; letter-spacing: .14em; }
.chum-section-heading h2 { margin: 0; color: var(--chum-primary); font-family: var(--chum-brand-font); font-size: clamp(34px, 4vw, 48px); line-height: 1.18; letter-spacing: -.04em; }
.chum-section-heading > span { display: block; max-width: 660px; margin: 18px auto 0; color: var(--chum-muted); font-size: 15px; line-height: 1.8; word-break: keep-all; }
.chum-pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.chum-pillar-grid article { position: relative; min-height: 280px; overflow: hidden; border: 1px solid var(--chum-line); border-radius: 12px; background: var(--chum-bg); padding: 35px 32px; transition: .25s ease; }
.chum-pillar-grid article::after { position: absolute; right: -40px; bottom: -50px; width: 130px; height: 130px; border-radius: 50%; background: var(--chum-accent); content: ""; opacity: .07; }
.chum-pillar-grid article:hover { border-color: rgba(0,104,117,.34); background: #fff; box-shadow: 0 18px 42px rgba(0,32,69,.09); transform: translateY(-5px); }
.chum-pillar-grid article > .material-symbols-outlined { display: grid; width: 54px; height: 54px; place-items: center; border-radius: 9px; background: var(--chum-primary); color: var(--chum-accent); font-size: 28px; }
.chum-pillar-grid h3 { margin: 28px 0 12px; color: var(--chum-primary); font-family: var(--chum-brand-font); font-size: 21px; letter-spacing: -.025em; }
.chum-pillar-grid p { margin: 0; color: var(--chum-muted); font-size: 14px; line-height: 1.8; word-break: keep-all; }

.chum-footer { border-top: 1px solid #15233b; background: var(--chum-primary); color: #fff; }
.chum-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 70px; padding-block: 63px 48px; }
.chum-footer-brand { color: #fff; font-size: 23px; }
.chum-footer section p { max-width: 470px; margin: 15px 0 0; color: #94a6c1; font-size: 13px; line-height: 1.8; }
.chum-footer nav { display: grid; align-content: start; gap: 9px; }
.chum-footer nav strong { margin-bottom: 7px; color: #fff; font-family: var(--chum-brand-font); font-size: 13px; letter-spacing: .02em; }
.chum-footer nav a { color: #94a6c1; font-size: 12px; text-decoration: none; }
.chum-footer nav a:hover { color: var(--chum-accent); }
.chum-copyright { border-top: 1px solid rgba(255,255,255,.1); padding-block: 21px; color: #6f829f; font-family: var(--chum-code-font); font-size: 9px; letter-spacing: .05em; }

@media (max-width: 1020px) {
  .chum-hero-grid { min-height: auto; grid-template-columns: 1fr; gap: 70px; padding-block: 72px 95px; }
  .chum-hero-copy { max-width: 760px; }
  .chum-hero-visual { width: min(720px, 92%); margin-inline: auto; transform: none; }
}

@media (max-width: 900px) {
  .chum-nav { display: none; }
  .chum-mobile-toggle { display: grid; }
}

@media (max-width: 760px) {
  .chum-container { width: min(calc(100% - 32px), 1200px); }
  .chum-header .chum-container { padding-inline: 16px; }
  .chum-hero-grid { gap: 52px; padding-block: 58px 77px; }
  .chum-hero-copy h1 { font-size: clamp(40px, 11vw, 58px); }
  .chum-hero-description { font-size: 14px; }
  .chum-hero-visual { width: calc(100% - 18px); }
  .chum-floating-card { min-width: 135px; padding: 10px 11px; }
  .chum-floating-card > .material-symbols-outlined { width: 32px; height: 32px; font-size: 18px; }
  .chum-card-top { top: -20px; right: -13px; }
  .chum-card-bottom { bottom: -23px; left: -13px; }
  .chum-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .chum-stats-grid > div { padding: 29px 12px; border-bottom: 1px solid rgba(255,255,255,.12); }
  .chum-stats-grid > div:nth-child(odd) { border-left: 1px solid rgba(255,255,255,.12); }
  .chum-pillars { padding-block: 78px 84px; }
  .chum-pillar-grid { grid-template-columns: 1fr; }
  .chum-pillar-grid article { min-height: 0; }
  .chum-footer-grid { grid-template-columns: 1fr 1fr; gap: 42px 25px; }
  .chum-footer-grid section { grid-column: 1 / -1; }
}

@media (max-width: 430px) {
  .chum-hero-actions { display: grid; }
  .chum-primary-button,
  .chum-secondary-button { width: 100%; }
  .chum-floating-card { display: none; }
  .chum-footer-grid { grid-template-columns: 1fr; }
  .chum-footer-grid section { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .chumsoft-site *,
  .chumsoft-site *::before,
  .chumsoft-site *::after { scroll-behavior: auto !important; transition: none !important; }
}