/* me:most website — shared styles */

:root {
  --paper: #faf8f2;
  --paper-deep: #f2efe6;
  --ink: #17181a;
  --ink-soft: #4a4d50;
  --teal: #2fb8b8;
  --teal-dark: #1f9494;
  --sage: #8fa39a;
  --sage-soft: #e3e9e4;
  --line: #e6e2d6;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 2px 6px rgba(23, 24, 26, 0.06), 0 12px 32px rgba(23, 24, 26, 0.07);
  --font: "Pretendard", "Pretendard Variable", -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Segoe UI", "Malgun Gothic", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--teal-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

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

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 242, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex; align-items: center; gap: 1.5rem;
  height: 4rem;
}

.brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-weight: 800; font-size: 1.2rem; color: var(--ink);
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.brand .colon { color: var(--teal); }

.site-nav { display: flex; align-items: center; gap: 1.4rem; margin-left: auto; }
.site-nav a { color: var(--ink-soft); font-size: 0.95rem; font-weight: 500; }
.site-nav a:hover { color: var(--ink); text-decoration: none; }
.site-nav a.cta {
  background: var(--ink); color: var(--paper);
  padding: 0.45rem 1rem; border-radius: 999px;
}
.site-nav a.cta:hover { background: #000; }

.lang-switch {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.88rem; color: var(--sage);
  border-left: 1px solid var(--line); padding-left: 1.2rem;
}
.lang-switch a { color: var(--ink-soft); }
.lang-switch .active { color: var(--ink); font-weight: 700; }

/* mobile nav */
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute; top: 4rem; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start;
    padding: 1rem 1.5rem 1.4rem; gap: 1rem;
  }
  .site-nav.open { display: flex; }
  .lang-switch { border-left: 0; padding-left: 0; }
}

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

.hero { padding: 5.5rem 0 4rem; text-align: center; overflow: hidden; }

.hero .app-icon {
  width: 96px; height: 96px; margin: 0 auto 1.6rem;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.2;
}
.hero h1 .colon { color: var(--teal); }

.hero .motto {
  margin-top: 1rem;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: var(--ink-soft);
}
.hero .motto strong { color: var(--ink); font-weight: 700; }

.hero .sub {
  margin: 1.1rem auto 0; max-width: 620px;
  color: var(--ink-soft); font-size: 1.02rem;
}

.hero-actions {
  margin-top: 2.2rem;
  display: flex; justify-content: center; gap: 0.9rem; flex-wrap: wrap;
}

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.6rem; border-radius: 999px;
  font-weight: 700; font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: var(--paper); box-shadow: var(--shadow); }
.btn-primary:hover { background: #000; }
.btn-secondary { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.btn-secondary:hover { border-color: var(--sage); }

.hero-note { margin-top: 1rem; font-size: 0.85rem; color: var(--sage); }

/* app window mockup */
.mockup {
  margin: 3.5rem auto 0; max-width: 860px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(23, 24, 26, 0.12);
  overflow: hidden;
  text-align: left;
}
.mockup-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 0.7rem 1rem;
  background: var(--paper-deep);
  border-bottom: 1px solid var(--line);
}
.mockup-bar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.mockup-bar i:nth-child(1) { background: #f26d60; }
.mockup-bar i:nth-child(2) { background: #f2bd4f; }
.mockup-bar i:nth-child(3) { background: #5fc76a; }
.mockup-body { display: grid; grid-template-columns: 200px 1fr; min-height: 340px; }
.mockup-side {
  background: var(--paper-deep);
  border-right: 1px solid var(--line);
  padding: 1rem 0.9rem;
  font-size: 0.82rem; color: var(--ink-soft);
}
.mockup-side .tree-item { padding: 0.3rem 0.5rem; border-radius: 6px; white-space: nowrap; overflow: hidden; }
.mockup-side .tree-item.on { background: var(--sage-soft); color: var(--ink); font-weight: 600; }
.mockup-side .tree-item.sub { padding-left: 1.4rem; }
.mockup-page { padding: 2rem 2.4rem; }
.mockup-page h3 { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.9rem; }
.mockup-page p { font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 0.55rem; }
.mockup-page .hl { background: #d9f3f3; border-radius: 3px; padding: 0 3px; color: var(--ink); }
.mockup-page .todo { display: flex; align-items: center; gap: 0.5rem; }
.mockup-page .todo i {
  width: 15px; height: 15px; border: 1.5px solid var(--sage); border-radius: 4px; display: inline-block; flex: none;
}
.mockup-page .todo.done i { background: var(--teal); border-color: var(--teal); position: relative; }
.mockup-page .todo.done i::after {
  content: ""; position: absolute; left: 4px; top: 1px;
  width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.mockup-page .todo.done span { color: var(--sage); text-decoration: line-through; }
.mockup-page .slash {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 0.8rem; padding: 0.35rem 0.7rem;
  background: var(--paper-deep); border: 1px solid var(--line); border-radius: 8px;
  font-size: 0.85rem; color: var(--ink-soft);
}
.mockup-page .slash b { color: var(--teal-dark); }
.caret { display: inline-block; width: 2px; height: 1em; background: var(--teal); vertical-align: text-bottom; animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 640px) {
  .mockup-body { grid-template-columns: 1fr; }
  .mockup-side { display: none; }
  .mockup-page { padding: 1.4rem 1.2rem; }
}

/* ---------- sections ---------- */

section { padding: 4.5rem 0; }
section.alt { background: var(--paper-deep); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-head .eyebrow {
  display: inline-block; margin-bottom: 0.8rem;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal-dark);
}
.section-head h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.3; }
.section-head p { margin-top: 0.9rem; color: var(--ink-soft); }

/* feature grid */
.feature-grid {
  display: grid; gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.7rem 1.6rem;
}
.feature .icon {
  width: 44px; height: 44px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: var(--sage-soft); margin-bottom: 1rem;
}
.feature .icon svg { width: 24px; height: 24px; stroke: var(--teal-dark); }
.feature h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.feature p { font-size: 0.93rem; color: var(--ink-soft); }
.feature p + p { margin-top: 0.5rem; }
.feature kbd {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.8em;
  background: var(--paper-deep); border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 5px; padding: 0.08em 0.45em;
}

/* split highlight (local / sync) */
.split {
  display: grid; gap: 3rem; align-items: center;
  grid-template-columns: 1fr 1fr;
}
.split.rev .split-visual { order: 2; }
.split h2 { font-size: clamp(1.5rem, 3.4vw, 2rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.3; margin-bottom: 1rem; }
.split p { color: var(--ink-soft); }
.split p + p { margin-top: 0.8rem; }
.split ul { margin-top: 1rem; padding-left: 1.2rem; color: var(--ink-soft); }
.split li + li { margin-top: 0.4rem; }
.split .badge-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1.2rem; }
.badge {
  font-size: 0.82rem; font-weight: 600;
  background: var(--sage-soft); color: var(--ink-soft);
  border-radius: 999px; padding: 0.3rem 0.85rem;
}

.split-visual {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 2rem;
  display: flex; align-items: center; justify-content: center; min-height: 280px;
}
.split-visual svg { width: 100%; height: auto; max-width: 380px; }

@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; gap: 2rem; }
  .split.rev .split-visual { order: 0; }
}

/* ---------- download ---------- */

.dl-grid {
  display: grid; gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.dl-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.5rem; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
}
.dl-card .os-icon { width: 46px; height: 46px; margin-bottom: 0.6rem; }
.dl-card .os-icon svg { width: 100%; height: 100%; stroke: var(--ink); }
.dl-card h3 { font-size: 1.1rem; font-weight: 700; }
.dl-card .meta { font-size: 0.85rem; color: var(--sage); }
.dl-card .btn { margin-top: 0.9rem; font-size: 0.92rem; padding: 0.6rem 1.3rem; }
.dl-card.soon { opacity: 0.75; }
.dl-card .soon-tag {
  margin-top: 0.9rem;
  font-size: 0.85rem; font-weight: 700; color: var(--sage);
  background: var(--sage-soft); border-radius: 999px; padding: 0.45rem 1.1rem;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  font-size: 0.88rem; color: var(--sage);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; }
.site-footer a { color: var(--ink-soft); }
.site-footer .foot-nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }

/* ---------- manual ---------- */

.manual-layout {
  display: grid; grid-template-columns: 230px 1fr; gap: 3rem;
  padding: 3rem 0 5rem;
}
.manual-toc {
  position: sticky; top: 5.5rem; align-self: start;
  font-size: 0.92rem;
}
.manual-toc .toc-title {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--sage); margin-bottom: 0.8rem;
}
.manual-toc a {
  display: block; padding: 0.35rem 0.7rem; border-radius: 7px;
  color: var(--ink-soft); border-left: 2px solid transparent;
}
.manual-toc a:hover { background: var(--paper-deep); text-decoration: none; color: var(--ink); }

.manual-body h1 { font-size: 2.1rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.6rem; }
.manual-body .lede { color: var(--ink-soft); font-size: 1.05rem; margin-bottom: 2.5rem; }
.manual-body h2 {
  font-size: 1.45rem; font-weight: 800; letter-spacing: -0.01em;
  margin: 3rem 0 1rem; padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.manual-body h3 { font-size: 1.1rem; font-weight: 700; margin: 1.6rem 0 0.6rem; }
.manual-body p { color: var(--ink-soft); margin-bottom: 0.9rem; }
.manual-body ul, .manual-body ol { padding-left: 1.4rem; color: var(--ink-soft); margin-bottom: 1rem; }
.manual-body li + li { margin-top: 0.35rem; }
.manual-body strong { color: var(--ink); }

.manual-body .tip {
  background: #eaf7f7; border: 1px solid #cdeaea; border-radius: 10px;
  padding: 0.9rem 1.1rem; margin: 1.2rem 0; font-size: 0.93rem; color: var(--ink-soft);
}
.manual-body .tip b { color: var(--teal-dark); }

.manual-body kbd {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82em;
  background: var(--card); border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 5px; padding: 0.1em 0.5em;
  white-space: nowrap;
}

.manual-body table {
  width: 100%; border-collapse: collapse; margin: 1rem 0 1.6rem;
  font-size: 0.92rem; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
}
.manual-body th, .manual-body td {
  text-align: left; padding: 0.6rem 0.9rem; border-bottom: 1px solid var(--line);
}
.manual-body th { background: var(--paper-deep); font-weight: 700; font-size: 0.85rem; }
.manual-body tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; }

@media (max-width: 820px) {
  .manual-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .manual-toc { position: static; display: flex; flex-wrap: wrap; gap: 0.2rem; }
  .manual-toc .toc-title { width: 100%; }
  .manual-toc a { border: 1px solid var(--line); border-radius: 999px; padding: 0.25rem 0.8rem; font-size: 0.85rem; }
}