/* =====================================================================
   Hope 랜딩 — 공통 스타일 (index 셸 + 모든 section-*.html 이 함께 로드)
   구성: ① 폰트/아이콘 import ② 디자인 토큰(Nocturne) ③ 리셋/베이스
         ④ 섹션 공용 클래스 ⑤ 셸 UI(헤더·하단바·전체메뉴) ⑥ 반응형
   섹션 전용 규칙은 각 section-*.html 의 <style> 에.
   ===================================================================== */

/* ① 폰트 · 아이콘 */
@import url("assets/css/fonts.css");
@import url("assets/css/phosphor.css");

/* ② 디자인 토큰 + 베이스 (Claude Design Nocturne 원본, 주석 정리) */
:root {
  --color-bg: #161826;
  --color-surface: #232532;
  --color-text: #e9e9ed;
  --color-accent: #9184d9; 
  --color-accent-2: #a7a1db; 
  --color-divider: color-mix(in srgb, #e9e9ed 16%, transparent);

  
  --color-neutral-100: #f3f5fe;
  --color-neutral-200: #e4e7f5;
  --color-neutral-300: #cfd3e5;
  --color-neutral-400: #b2b6ca;
  --color-neutral-500: #9397ab;
  --color-neutral-600: #75798c;
  --color-neutral-700: #595d6c;
  --color-neutral-800: #3f424d;
  --color-neutral-900: #292b31;

  --color-accent-100: #f5f4ff;
  --color-accent-200: #e7e5fe;
  --color-accent-300: #d2cefd;
  --color-accent-400: #b5abfc;
  --color-accent-500: #968ae0;
  --color-accent-600: #796cbf;
  --color-accent-700: #5d5294;
  --color-accent-800: #423a6a;
  --color-accent-900: #2b2741;

  --color-accent-2-100: #f5f4ff;
  --color-accent-2-200: #e7e5fe;
  --color-accent-2-300: #d2cefd;
  --color-accent-2-400: #b5afe8;
  --color-accent-2-500: #9690c9;
  --color-accent-2-600: #7972a9;
  --color-accent-2-700: #5c5783;
  --color-accent-2-800: #423e5d;
  --color-accent-2-900: #2b293a;

  
  --color-section: #262a60;
  --color-section-glow: #353b80;
  --color-section-ghost: #4c5397;

  --font-heading: "Inter", system-ui, sans-serif;
  --font-heading-weight: 500;
  --font-body: "Inter", system-ui, sans-serif;

  --space-1: 2.8px;
  --space-2: 5.6px;
  --space-3: 8.4px;
  --space-4: 11.2px;
  --space-6: 16.8px;
  --space-8: 22.4px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  
  --shadow-sm: 0 0 0 1px #3f424d;
  --shadow-md: 0 0 0 1px #595d6c, 0 6px 18px rgba(0,0,0,0.55);
  --shadow-lg: 0 0 0 1px #9397ab, 0 16px 40px rgba(0,0,0,0.65);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.lighten{mix-blend-mode:lighten;background-color:transparent}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: 11px; margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

.hr {
  height: 1px; border: 0; margin: var(--space-4) 0;
  background: linear-gradient(to right,
    transparent, var(--color-divider) 48px,
    var(--color-divider) calc(100% - 48px), transparent);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text); 
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { color: var(--color-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.btn-primary:active { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }


/* ③ 베이스 보강 */
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: "Inter", "Pretendard Variable", Pretendard, system-ui, sans-serif; }
body.in-frame { background: transparent; }           /* iframe 안에서는 셸 배경을 그대로 비춤 */
a { color: var(--color-accent-300); text-decoration: none; }
a:hover { color: var(--color-accent-200); }
::selection { background: var(--color-accent-800); }
.m-br { display: none; }
@media (max-width: 768px) { .m-br { display: block; } }

/* ④ 섹션 공용 클래스 (인라인 스타일에서 추출 — 같은 값이면 여기만 고치면 전 섹션 반영) */
.sec-inner { max-width: 1120px; margin: 0 auto; padding: 88px 28px 80px; }
.sec-inner-tight { padding-bottom: 72px; }
.sec-mark { width: 28px; height: 2px; background: var(--color-accent); margin-bottom: 14px; }
.sec-eyebrow { font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-accent-300); margin-bottom: 16px; }
.sec-eyebrow-hero { margin-bottom: 20px; }
.sec-title { font-family: var(--font-heading); font-weight: 500; font-size: 34px; line-height: 1.3; margin: 0 0 14px; color: var(--color-neutral-100); }
.sec-title-xl { font-size: 44px; line-height: 1.25; }
.sec-subtitle { font-family: var(--font-heading); font-weight: 500; font-size: 20px; margin: 0 0 8px; color: var(--color-neutral-100); }
.sec-subtitle-lg { font-size: 22px; }
.sec-rule { max-width: 1120px; margin: 0 auto; height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-neutral-800) 48px, var(--color-neutral-800) calc(100% - 48px), transparent); }
.band { background: linear-gradient(135deg, var(--color-section), var(--color-section-glow));
  border-top: 1px solid var(--color-section-ghost); border-bottom: 1px solid var(--color-section-ghost); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.grid-gap-12 { gap: 12px; }
.plan-grid { margin-bottom: 14px; max-width: 840px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 48px; align-items: center; position: relative; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; padding: 52px 28px; }
.design-grid { border-radius: var(--radius-lg); border: 1px solid var(--color-neutral-800); background: var(--color-surface); overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1fr) 300px; }
.mb-12 { margin-bottom: 12px !important; } .mb-14 { margin-bottom: 14px !important; } .mb-18 { margin-bottom: 18px; }
.mb-52 { margin-bottom: 52px; } .mb-64 { margin-bottom: 64px; }

.card { border: 1px solid var(--color-neutral-800); border-radius: var(--radius-lg); background: var(--color-surface); padding: 22px; }
.card-p24 { padding: 24px; } .card-p26 { padding: 26px; }
.card-md { border-radius: var(--radius-md); padding: 18px; }
.card-click { cursor: pointer; }
.card-hi { border-color: var(--color-accent-700); box-shadow: 0 0 20px color-mix(in srgb, #9184d9 12%, transparent); }
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.card-head-step { gap: 12px; }
.card-kicker { white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; font-size: 10.5px; letter-spacing: 0.14em; color: var(--color-accent-300); margin-bottom: 10px; }
.card-title { font-size: 14.5px; font-weight: 600; color: var(--color-neutral-100); margin-bottom: 8px; }
.card-title-inline { font-size: 14.5px; font-weight: 600; color: var(--color-neutral-100); }
.card-title-15 { font-size: 15px; } .card-title-16 { font-size: 16px; }
.card-title.card-title-16 { margin-bottom: 10px; }
.card-text { font-size: 12.5px; line-height: 1.65; color: var(--color-neutral-400); margin: 0; text-wrap: pretty; }
.card-text-13 { font-size: 13px; line-height: 1.7; }
.card-text-135 { font-size: 13.5px; line-height: 1.75; }
.card-text-135.mb-12 { line-height: 1.7; }
.card-text-14 { font-size: 14px; line-height: 1.7; color: var(--color-neutral-300); }
.card-icon { font-size: 22px; color: var(--color-accent); }
.card-icon-20 { font-size: 20px; }
.card-icon-block { font-size: 26px; color: var(--color-accent); display: block; margin-bottom: 12px; }
.step-num { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--color-accent); display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; color: var(--color-accent-300); flex-shrink: 0; }
.step-label { font-size: 11px; letter-spacing: 0.18em; color: var(--color-accent-300); margin-bottom: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips-8 { gap: 8px; } .chips-5 { gap: 5px; }
.chip { white-space: nowrap; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--color-neutral-700); font-size: 11.5px; color: var(--color-neutral-300); }
.chip-accent { background: var(--color-accent-900); border-color: var(--color-accent-800); color: var(--color-accent-300); }
.chip-xs { padding: 3px 9px; font-size: 11px; }
.chip-hero { padding: 5px 12px; font-size: 11px; letter-spacing: 0.1em; }

.em-strong { font-weight: 600; color: var(--color-neutral-200); }
.em-accent { color: var(--color-accent-300); }

.faq-item { border: 1px solid var(--color-neutral-800); border-radius: var(--radius-md); background: var(--color-surface); padding: 0 20px; }
.faq-summary { display: flex; align-items: center; gap: 10px; padding: 15px 0; font-size: 14.5px; font-weight: 500; color: var(--color-neutral-200); }
.faq-q { color: var(--color-accent); font-weight: 600; }
.faq-caret-pos { margin-left: auto; color: var(--color-neutral-500); }
.faq-answer { font-size: 13.5px; line-height: 1.75; color: var(--color-neutral-400); margin: 0; padding: 0 0 18px 24px; text-wrap: pretty; }
details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details[open] .faq-caret { transform: rotate(180deg); }
.faq-caret { transition: transform .2s ease; }
details > summary:hover { color: var(--color-accent-200); }

.stat-label { font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-accent-300); margin-bottom: 8px; }
.stat-num { font-family: var(--font-heading); font-weight: 500; font-size: 56px; line-height: 1; color: var(--color-neutral-100); margin-bottom: 14px; }
.plan-name { font-size: 19px; font-weight: 600; color: var(--color-neutral-100); margin-bottom: 4px; }
.plan-list { margin: 0 0 16px; padding-left: 16px; display: flex; flex-direction: column; gap: 7px; font-size: 13px; line-height: 1.6; color: var(--color-neutral-400); }
.plan-foot { margin-top: auto; font-size: 12px; color: var(--color-neutral-500); border-top: 1px solid var(--color-neutral-800); padding-top: 12px; }

/* hover (원본 style-hover 속성 → 클래스) */
.hv-border:hover { border-color: var(--color-accent-700); }
.hv-border-600:hover { border-color: var(--color-accent-600); }
.hv-fill:hover { background: var(--color-accent-900); }
.hv-ghost:hover { border-color: var(--color-neutral-500); color: var(--color-neutral-200); }
.hv-ghost-bright:hover { border-color: var(--color-neutral-500); color: var(--color-neutral-100); }
.hv-outline:hover { border-color: var(--color-accent); color: var(--color-accent-200); }
.hv-nav:hover { color: var(--color-accent-200); background: var(--color-accent-900); }

/* 스크린샷 자리표시(미업로드) */
.skin-ph { width: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: linear-gradient(160deg, var(--color-neutral-900), var(--color-surface)); color: var(--color-neutral-500); }
.skin-ph-pc { height: 420px; border-radius: 8px; border: 1px dashed var(--color-neutral-700); }
.skin-ph-mo { height: 620px; }
.skin-ph i { font-size: 30px; color: var(--color-neutral-600); }
.skin-ph .ph-name { font-size: 12px; letter-spacing: 0.06em; }
.skin-ph .ph-hint { font-size: 11px; color: var(--color-neutral-600); }
.phone-scroll::-webkit-scrollbar { width: 4px; }
.phone-scroll::-webkit-scrollbar-thumb { background: var(--color-neutral-700); border-radius: 2px; }
.phone-scroll::-webkit-scrollbar-track { background: transparent; }

/* 순차 페이드(시안 관용구 — 부모 startReveal 신호로 시작) */
.sfade { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; will-change: opacity, transform; }
.sfade.is-in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .sfade { opacity: 1 !important; transform: none !important; transition: none !important; } }

/* ⑤ 셸 UI — index.html 전용 (헤더 · 하단바 · 전체메뉴 오버레이 · iframe) */
.site-header { position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, #161826 82%, transparent); border-bottom: 1px solid var(--color-neutral-900); }
.header-inner { max-width: 1120px; margin: 0 auto; padding: 0 28px; height: 60px; display: flex; align-items: center; gap: 28px; }
.logo-wrap a { display: flex; align-items: center; gap: 10px; color: var(--color-text); }
.logo-wrap img { height: 48px; width: auto; display: block; }
.lighten { mix-blend-mode: lighten; background-color: transparent; }
.site-header nav { margin-left: auto; }
.site-header nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; flex-wrap: wrap; }
.site-header nav a { display: inline-block; font-size: 13px; color: var(--color-neutral-300); padding: 6px 10px; border-radius: var(--radius-md); white-space: nowrap;
  transition: background .2s ease, color .2s ease; }
.site-header nav a:hover { color: var(--color-accent-200); background: var(--color-accent-900); }
.site-header nav a.is-active { color: var(--color-accent-200); background: var(--color-accent-900); }
.site-header nav li.nav-cta a { color: var(--color-accent-300); padding: 6px 12px; border: 1px solid var(--color-accent-700); border-radius: 999px; }
.site-header nav li.nav-cta a:hover { border-color: var(--color-accent); color: var(--color-accent-200); background: transparent; }

.section-frame { width: 100%; border: 0; display: block; }
section.hero { position: relative; overflow: hidden; }

.site-footer { border-top: 1px solid var(--color-neutral-900); }
.site-footer .footer-inner { max-width: 1120px; margin: 0 auto; padding: 24px 28px; font-size: 12px; color: var(--color-neutral-500); }

.bottom-bar { position: fixed; left: 0; right: 0; bottom: 0; height: 56px; padding: 6px 10px; display: none; align-items: center; gap: 8px;
  background: color-mix(in srgb, #161826 94%, transparent); border-top: 1px solid var(--color-neutral-800); z-index: 1190; }
.bottom-bar-btn { flex: 1 1 0; display: flex; align-items: center; justify-content: center; border-radius: 999px; border: 1px solid var(--color-neutral-700);
  padding: 10px 8px; font-size: 13px; font-weight: 600; letter-spacing: 0.04em; cursor: pointer; white-space: nowrap; font-family: inherit;
  background: transparent; color: var(--color-neutral-200); }
.bottom-bar-btn--menu { border-color: var(--color-accent-700); background: var(--color-accent-900); color: var(--color-accent-200); }
.bottom-bar-btn--chat { border-color: var(--color-accent); color: var(--color-accent-200); }

.menu-overlay { position: fixed; inset: 0; background: color-mix(in srgb, #161826 86%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  z-index: 1300; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
.menu-overlay.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.menu-overlay-inner { position: relative; max-width: 520px; margin: 70px auto 40px; padding: 24px 24px 32px; border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg); }
.menu-overlay-close { position: absolute; top: 14px; right: 18px; width: 32px; height: 32px; border-radius: 999px; border: 0; background: transparent;
  color: var(--color-neutral-200); font-size: 20px; cursor: pointer; }
.menu-overlay-title { font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-accent-300); margin-bottom: 18px; }
.menu-overlay-nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.menu-overlay-nav a { display: block; padding: 11px 14px; border-radius: var(--radius-md); font-size: 15px; font-weight: 600; color: var(--color-neutral-100);
  border: 1px solid var(--color-neutral-800); background: var(--color-bg); }
.menu-overlay-nav a span.label-sub { font-size: 12px; font-weight: 400; opacity: .7; margin-left: 6px; }
.menu-overlay-nav a:hover { border-color: var(--color-accent-700); background: var(--color-accent-900); color: var(--color-accent-200); }

/* ⑥ 반응형 */
@media (max-width: 1098px) {
  .site-header { position: fixed; top: 0; left: 0; right: 0; transform: translateY(-100%); transition: transform .25s ease; }
  .site-header.is-visible { transform: translateY(0); }
  body.has-mobile-header { padding-top: 52px; }
  .header-inner { height: 52px; padding: 0 12px; gap: 12px; }
  .site-header .logo-wrap { display: none; }
  .site-header nav { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-left: 0; width: 100%; }
  .site-header nav::-webkit-scrollbar { display: none; }
  .site-header nav ul { flex-wrap: nowrap; justify-content: flex-start; gap: 0; white-space: nowrap; }
  .site-header nav li { flex: 0 0 auto; }
  body.show-bottom-bar .bottom-bar { display: flex; }
  body.menu-open { overflow: hidden; }
}
@media (min-width: 1099px) { .bottom-bar { display: none !important; } }
@media (max-width: 900px) {
  .sec-inner { padding: 64px 20px 56px; }
  .sec-title { font-size: 28px; } .sec-title-xl { font-size: 36px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .sec-title { font-size: 25px; }
  .stat-num { font-size: 44px; }
}