@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.css');

:root {
  --primary: #4A80FF;
  --primary-dark: #2f5fd9;
  --secondary: #7BA1FF;
  --text: #101828;
  --text-2: #5b6472;
  --bg: #ffffff;
  --bg-2: #F5F8FF;
  --bg-blue: #E3EDFF;
  --muted: #5b6472;
  --line: #E4E9F5;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(74,128,255,.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Pretendard Variable", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ── hero ── */
.hero {
  padding: 7rem 1.5rem 5.5rem;
  text-align: center;
  background:
    radial-gradient(60% 70% at 50% 0%, var(--bg-blue) 0%, rgba(227,237,255,0) 70%),
    linear-gradient(180deg, #fbfcff, #fff 60%);
}

.hero-in {
  max-width: 44rem;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  color: var(--primary-dark);
  background: var(--bg-blue);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.35;
  margin: 0 auto 1.2rem;
  color: var(--text);
}

.tldr {
  color: var(--text-2);
  font-size: 1.1rem;
  max-width: 32rem;
  margin: 0 auto 2.2rem;
}

.cta {
  display: inline-block;
  padding: 1rem 2rem;
  margin: 0.3rem;
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(74,128,255,.28);
  transition: transform .15s ease, box-shadow .15s ease;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(74,128,255,.36);
}

main {
  padding: 5rem 1.5rem 2rem;
}

section {
  margin: 0 auto 5.5rem;
}

section.wide {
  max-width: 72rem;
}

section.prose {
  max-width: 42rem;
}

section > h2 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 2.5rem;
}

/* ── feature cards ── */
.feature-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.2rem;
}

.feature-grid li {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.8rem 1.6rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feature-grid .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.feature-grid .icon svg {
  width: 1.4rem;
  height: 1.4rem;
}

.feature-grid strong {
  color: var(--text);
  font-size: 1.05rem;
}

.feature-grid .desc {
  color: var(--text-2);
  font-size: 0.92rem;
}

/* ── how it works ── */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.4rem;
}

.steps li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.8rem 1.6rem;
  text-align: center;
  align-items: center;
}

.steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 1.9rem;
  right: -0.9rem;
  width: 1.4rem;
  height: 1.5px;
  background: var(--line);
}

@media (max-width: 47rem) {
  .steps li:not(:last-child)::after {
    display: none;
  }
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.steps strong {
  font-size: 1.05rem;
  color: var(--text);
}

.steps .desc {
  color: var(--text-2);
  font-size: 0.92rem;
}

/* ── faq ── */
#faq h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1.6rem 0 0.4rem;
}

#faq p {
  color: var(--text-2);
  margin: 0;
}

/* ── download ── */
#download {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: var(--bg-blue);
  border-radius: 28px;
}

#download p {
  color: var(--text-2);
  margin-bottom: 1.5rem;
}

.cta-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 1.5px solid var(--primary);
  box-shadow: none;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.store-btn svg {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
}

#blog-teaser {
  text-align: center;
}

#blog-teaser a {
  color: var(--primary-dark);
  font-weight: 600;
  text-decoration: none;
}

ul {
  padding-left: 1.2rem;
}

footer {
  text-align: center;
  padding: 2.5rem;
  color: var(--text-2);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}

footer a {
  color: var(--text-2);
  text-decoration: none;
}

/* ── blog (build_blog.mjs 산출물) ── */
.nav {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.nav .in {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav .brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav .brand img {
  border-radius: 7px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--text-2);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--primary-dark);
}

.nav-links a.cta {
  color: #fff;
  padding: 0.55rem 1.2rem;
  box-shadow: none;
}

.nav-links a.cta:hover {
  color: #fff;
}

.wrap {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.page-head .eyebrow {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
}

.search-box {
  margin-top: 20px;
}

.search-box input {
  width: 100%;
  padding: 0.85rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-2);
  color: var(--text);
}

.search-box input:focus {
  outline: none;
  border-color: var(--secondary);
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
}

.pager a,
.pager .pg-cur {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  height: 2.2rem;
  padding: 0 0.5rem;
  border-radius: 8px;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text-2);
}

.pager a:hover {
  background: var(--bg-2);
}

.pager .pg-cur {
  background: var(--primary);
  color: #fff;
  font-weight: 700;
}

.pager .pg-nav {
  font-weight: 600;
  color: var(--primary-dark);
}

.crumb {
  max-width: 58rem;
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
  font-size: 0.85rem;
  color: var(--text-2);
}

.crumb a {
  color: var(--text-2);
  text-decoration: none;
}

.reading {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}

.article {
  max-width: 58rem;
  margin: 0 auto;
}

.article h1 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.article .meta {
  color: var(--text-2);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.article h2 {
  margin-top: 2.2rem;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.article h3 {
  margin-top: 1.6rem;
  font-size: 1.05rem;
}

.source {
  color: var(--text-2);
  font-size: 0.8rem;
  margin-top: 2rem;
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.post-card {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  padding: 1.2rem 1.3rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.post-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow);
}

.post-card h2 {
  font-size: 1.1rem;
  margin: 0 0 0.3rem;
  letter-spacing: -0.01em;
}

.post-card p {
  color: var(--text-2);
  font-size: 0.9rem;
  margin: 0;
}

.post-card .d {
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.faq-sec {
  max-width: 58rem;
  margin: 2rem auto 0;
  padding: 0 1.5rem;
}

.faq-sec details {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.6rem;
}

.faq-sec summary {
  font-weight: 700;
  cursor: pointer;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(74,128,255,.28);
}