/* ===== Dark Theme (default) — matches original .dark ===== */
:root {
    --bg-deep: #111216;
    --bg-surface: #181A20;
    --text-main: #F3F3F3;
    --text-sub: #E5E5E5;

    --c:#2563EB; --cl:#3b82f6; --cb:rgba(37,99,235,.08);
    --g1:#eee; --g2:#ddd; --g3:#ccc; --g4:#bbb; --g5:#999; --g6:#888; --g9:#333; --gf:#1a1a1a;
    --red:#ef4444;

    --card-bg:rgba(30,32,40,.7); --card-hover-bg:rgba(38,40,52,.85);
    --card-border:rgba(255,255,255,.1); --card-hover-border:rgba(37,99,235,.3);
    --card-shadow:rgba(0,0,0,.15); --card-hover-shadow:rgba(37,99,235,.1);

    --tag-bg:rgba(255,255,255,.05); --tag-border:rgba(255,255,255,.1);
    --tag-color:rgba(255,255,255,.7); --tag-hover-color:#fff;

    --tc-bg:rgba(30,32,40,.6); --tc-border:rgba(255,255,255,.1);
    --tc-hover-border:rgba(37,99,235,.2); --tc-shadow:rgba(0,0,0,.1);

    --header-bg:rgba(17,18,22,.9); --header-border:rgba(255,255,255,.05);

    --video-overlay:rgba(17,18,22,.5); --video-blend:multiply; --video-gradient-via:rgba(17,18,22,.3); --video-gradient-to:#111216;

    --frame-bar:#222; --frame-body:#1a1a1a; --frame-border:rgba(255,255,255,.1); --frame-shadow:rgba(0,0,0,.25);

    --scroll-color:rgba(255,255,255,.3);
    --section-border:rgba(255,255,255,.05);

    --ba-before-icon:rgba(255,255,255,.3); --ba-before-text:rgba(255,255,255,.6); --ba-before-label:rgba(255,255,255,.4);
    --ba-after-text:rgba(255,255,255,.9);

    --faq-border:rgba(255,255,255,.1);
    --cta-blur:rgba(37,99,235,.08);
    --footer-bg:#111216;
}

/* ===== Light Theme — matches original :root ===== */
html.light {
    --bg-deep: #ffffff;
    --bg-surface: #f4f7fb;
    --text-main: #1a1a2e;
    --text-sub: #2d3748;

    --c:#2563EB; --cl:#3b82f6; --cb:rgba(37,99,235,.06);
    --g1:#111; --g2:#1a1a1a; --g3:#232323; --g4:#333; --g5:#555; --g6:#888; --g9:#e0e7ef; --gf:#f8fafc;

    --card-bg:rgba(255,255,255,.9); --card-hover-bg:rgba(255,255,255,1);
    --card-border:rgba(37,99,235,.1); --card-hover-border:rgba(37,99,235,.3);
    --card-shadow:rgba(37,99,235,.06); --card-hover-shadow:rgba(37,99,235,.12);

    --tag-bg:rgba(37,99,235,.04); --tag-border:rgba(37,99,235,.12);
    --tag-color:#374151; --tag-hover-color:#1a1a2e;

    --tc-bg:rgba(255,255,255,.9); --tc-border:rgba(37,99,235,.1);
    --tc-hover-border:rgba(37,99,235,.25); --tc-shadow:rgba(37,99,235,.04);

    --header-bg:rgba(255,255,255,.9); --header-border:rgba(37,99,235,.1);

    --video-overlay:rgba(255,255,255,.7); --video-blend:normal; --video-gradient-via:rgba(255,255,255,.5); --video-gradient-to:#ffffff;

    --frame-bar:#f1f5f9; --frame-body:#ffffff; --frame-border:rgba(37,99,235,.12); --frame-shadow:rgba(37,99,235,.08);

    --scroll-color:rgba(71,85,105,.5);
    --section-border:rgba(37,99,235,.1);

    --ba-before-icon:rgba(45,55,72,.5); --ba-before-text:#2d3748; --ba-before-label:rgba(45,55,72,.8);
    --ba-after-text:#1a1a2e;

    --faq-border:rgba(37,99,235,.1);
    --cta-blur:rgba(37,99,235,.05);
    --footer-bg:#f4f7fb;
}

/* ===== Theme-aware subtitle: silver in dark, accent in light ===== */
.theme-sub { color: var(--text-sub); }
html.light .theme-sub { color: #2563EB; }

/* ===== Theme Toggle Button ===== */
.theme-toggle-btn {
    width: 40px; height: 40px; border-radius: 9999px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
    cursor: pointer; transition: all 0.3s; color: #3B82F6;
}
.theme-toggle-btn:hover { transform: scale(1.1); }
html.light .theme-toggle-btn {
    background: rgba(37,99,235,.06); border-color: rgba(37,99,235,.12); color: #2563EB;
}

/* ===== Base ===== */
*, *::before, *::after {
    transition-property: background-color, border-color, color, fill, stroke, box-shadow, filter;
    transition-duration: .4s;
    transition-timing-function: ease;
}
.scroll-indicator { animation: scrollBounce 2s ease-in-out infinite !important; transition: none !important; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: var(--bg-deep);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    word-break: keep-all;
    overflow-wrap: break-word;
}

h1, h2, h3, h4 { font-family: 'Noto Sans KR', sans-serif; text-wrap: balance; }
p { text-wrap: pretty; }
.frame-font { font-family: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, system-ui, sans-serif; }
.serif { font-family: 'Noto Serif KR', serif; }

/* ===== Header (uses CSS vars) ===== */
header.site-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
}

/* ===== Premium Card ===== */
.premium-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    box-shadow: 0 4px 30px var(--card-shadow);
    transition: all .5s cubic-bezier(.4, 0, .2, 1);
}
.premium-card:hover {
    border-color: var(--card-hover-border);
    background: var(--card-hover-bg);
    box-shadow: 0 20px 40px -10px var(--card-hover-shadow);
    transform: translateY(-4px);
}

/* ===== Button Glow ===== */
.btn-glow { position: relative; overflow: hidden; }
.btn-glow::after {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
    transition: .5s;
}
.btn-glow:hover::after { left: 100%; }

/* ===== Showcase Frame ===== */
/* 쇼케이스 프레임 내부는 페이지 테마(다크/라이트)와 무관하게 항상 라이트 팔레트 고정 */
.sc-frame {
    --frame-bar: #f1f5f9;
    --frame-body: #ffffff;
    --frame-border: rgba(37,99,235,.18);
    --frame-shadow: rgba(15,23,42,.18);
    --g1: #111; --g2: #1a1a1a; --g3: #232323; --g4: #333;
    --g5: #555; --g6: #888; --g9: #e0e7ef; --gf: #f8fafc;
    border-radius: 14px; border: 1px solid var(--frame-border);
    overflow: hidden; background: var(--gf);
    box-shadow: 0 20px 60px var(--frame-shadow);
}
.sc-frame-bar {
    height: 36px; background: var(--frame-bar);
    border-bottom: 1px solid var(--g9);
    display: flex; align-items: center; padding: 0 14px; gap: 7px;
}
.frame-dot { width: 9px; height: 9px; border-radius: 50%; }
.sc-frame-body { padding: 18px; font-size: 12px; background: var(--frame-body); }

/* ===== Showcase Tag ===== */
.sc-tag {
    display: flex; align-items: center; gap: 7px; font-size: 13px;
    color: var(--tag-color); background: var(--tag-bg);
    border: 1px solid var(--tag-border); border-radius: 8px;
    padding: 10px 18px; font-weight: 500; transition: all .2s;
}
.sc-tag:hover { border-color: rgba(37,99,235,.4); color: var(--tag-hover-color); }

/* ===== Before/After ===== */
.ba-item {
    display: flex; align-items: flex-start; gap: 10px;
    margin-bottom: 16px; font-size: 14px; line-height: 1.6;
}
.ba-before-card { background: var(--card-bg); border: 1px solid var(--card-border); }
.ba-before-label { color: var(--ba-before-label); }
.ba-before-icon { color: var(--ba-before-icon); }
.ba-before-text { color: var(--ba-before-text); }
.ba-after-card {
    background: rgba(37,99,235,.15); border: 1px solid rgba(37,99,235,.3);
    transition: all .5s cubic-bezier(.4,0,.2,1);
}
.ba-after-card:hover {
    background: rgba(37,99,235,.2); border-color: rgba(37,99,235,.5);
    box-shadow: 0 20px 40px -10px rgba(37,99,235,.15); transform: translateY(-4px);
}
.ba-after-text { color: var(--ba-after-text); font-weight: 500; }

/* ===== Testimonial Card ===== */
.tc-card {
    background: var(--tc-bg); border: 1px solid var(--tc-border);
    border-radius: 16px; padding: 32px; transition: border-color .3s;
    box-shadow: 0 4px 20px var(--tc-shadow);
}
.tc-card:hover { border-color: var(--tc-hover-border); }

/* ===== Reveal Animation ===== */
.reveal {
    opacity: 0; transform: translateY(48px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== FAQ Accordion ===== */
.faq-answer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .3s ease-in-out, opacity .3s ease-in-out, padding .3s ease-in-out;
    padding-bottom: 0;
}
.faq-item.open .faq-answer {
    max-height: 1000px;
    opacity: 1;
    padding-bottom: 2rem;
}
.faq-item .faq-chevron { transition: transform .3s; }
.faq-item.open .faq-chevron { transform: rotate(180deg); color: #2563EB; }
.faq-item.open .faq-question-text { color: var(--text-main); font-weight: 500; }

/* FAQ 카테고리 탭 (pill) */
.faq-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .5rem;
    margin-bottom: 2.5rem;
}
.faq-tab {
    padding: .5rem 1.125rem;
    border-radius: 9999px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-sub);
    font-size: .8125rem;
    font-weight: 500;
    line-height: 1.4;
    cursor: pointer;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.faq-tab:hover {
    color: var(--text-main);
    border-color: var(--card-hover-border);
}
.faq-tab:focus-visible {
    outline: 2px solid var(--c);
    outline-offset: 2px;
}
.faq-tab[aria-selected="true"] {
    background: var(--c);
    color: #fff;
    border-color: var(--c);
}
.faq-panel[hidden] { display: none; }

/* 수치 클레임 옆 산출 근거 작은 글씨 */
.val-source {
    display: block;
    margin-top: .75rem;
    font-size: .6875rem;
    line-height: 1.55;
    color: var(--text-sub);
    opacity: .65;
    font-weight: 400;
    letter-spacing: 0;
}

/* ===== Screen-Reader Only (시각적으로 숨김, AT/AEO 노출) ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== Mobile Menu ===== */
/* ===== Mobile Hamburger Button ===== */
.menu-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 9999px;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    color: var(--text-main);
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}
/* 모바일에서만 햄버거 노출 + 데스크톱 메뉴 hide */
@media (max-width: 767px) {
    .menu-toggle-btn { display: flex; }
    header.site-header #trial-link,
    header.site-header #price-link,
    header.site-header #blog-link,
    header.site-header > div > div > a.btn-glow {
        display: none !important;
    }
    /* 헤더 좌우 padding 축소 + 로고 사이즈 다운 */
    header.site-header > div.flex {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    header.site-header #header-logo {
        height: 6rem;
        width: auto;
        margin-top: -1.75rem;
        margin-bottom: -1.75rem;
        object-position: left center;
    }
}
.menu-toggle-btn:hover { transform: scale(1.05); }
html.light .menu-toggle-btn {
    background: rgba(37, 99, 235, .06);
    border-color: rgba(37, 99, 235, .12);
    color: #2563EB;
}

/* ===== Mobile Menu Panel ===== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 5rem;
    left: 0;
    right: 0;
    z-index: 49;
    flex-direction: column;
    gap: .25rem;
    padding: 1.25rem 1.5rem 1.5rem;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--header-border);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, .15);
    opacity: 0;
    transition: opacity .3s ease;
}
.mobile-menu.open {
    display: flex;
    opacity: 1;
}
.mobile-menu a {
    padding: .85rem .5rem;
    font-size: .9375rem;
    font-weight: 500;
    color: var(--text-main);
    text-decoration: none;
    border-bottom: 1px solid var(--section-border);
    transition: color .2s ease, padding-left .2s ease;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover {
    color: var(--c);
    padding-left: .85rem;
}
.mobile-menu a.m-cta {
    margin-top: .75rem;
    padding: .85rem 1rem;
    background: var(--c);
    color: #fff;
    border-radius: .5rem;
    border-bottom: none;
    text-align: center;
    font-weight: 600;
}
.mobile-menu a.m-cta:hover {
    background: var(--cl);
    padding-left: 1rem;
}

/* ===== Nav Link ===== */
.nav-link { position: relative; padding: .5rem 0; }
.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 50%;
    width: 0; height: 1px; background: #2563EB; transition: .3s;
}
.nav-link:hover::after { width: 100%; left: 0; }
.nav-link[aria-current="page"] { color: var(--c); font-weight: 500; }

/* ===== Animations ===== */
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delay { animation: float 6s ease-in-out 3s infinite; }
@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.animate-spin-slow { animation: spin-slow 20s linear infinite; }
.animate-spin-reverse { animation: spin-slow 15s linear infinite reverse; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }
.animate-pulse { animation: pulse 2s cubic-bezier(.4, 0, .6, 1) infinite; }
@keyframes scrollBounce { 0%, 100% { transform: translateY(0); opacity: .6; } 50% { transform: translateY(8px); opacity: 1; } }

/* ===== No Scrollbar ===== */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* ===== Content Visibility ===== */
.cv-auto { content-visibility: auto; contain-intrinsic-size: auto 800px; }

/* ===== Modal (always dark) ===== */
.modal-overlay {
    display: none; position: fixed; inset: 0; z-index: 100;
    background: rgba(0,0,0,.7); backdrop-filter: blur(6px);
    align-items: center; justify-content: center; padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal-close {
    position: absolute; top: 1rem; right: 1rem; background: transparent;
    border: none; color: #9ca3af; font-size: 1.5rem; cursor: pointer;
    width: 2rem; height: 2rem; display: flex; align-items: center;
    justify-content: center; border-radius: .5rem; transition: .2s;
}
.modal-close:hover { color: #fff; background: rgba(255,255,255,.1); }
.modal-msg { text-align: center; padding: 1rem 0; font-size: .875rem; display: none; }
.modal-msg.success { color: #34d399; display: block; }
.modal-msg.error { color: #f87171; display: block; }
.modal-checkbox {
    display: flex; align-items: flex-start; gap: .5rem;
    margin-bottom: 1.25rem; font-size: .8rem; color: #9ca3af;
    cursor: pointer; line-height: 1.5;
}
.modal-checkbox input[type=checkbox] { margin-top: .2rem; accent-color: #3b82f6; flex-shrink: 0; }
.recaptcha-wrap { margin-bottom: 1rem; min-height: 78px; display: flex; justify-content: center; }
/* Modal card — adapts to theme */
.modal-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
}
.modal-card label { color: var(--text-sub); }
.modal-card input,
.modal-card textarea {
    background: var(--gf);
    border: 1px solid var(--g9);
    color: var(--text-main);
}
.modal-card input:focus,
.modal-card textarea:focus { border-color: #2563EB; }
.modal-card input::placeholder,
.modal-card textarea::placeholder { color: var(--g6); }
.modal-card .modal-checkbox { color: var(--g5); }
.modal-card .modal-close { color: var(--g5); }
.modal-card .modal-close:hover { color: var(--text-main); background: var(--cb); }

/* ===== Footer ===== */
footer { background: var(--footer-bg); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .sc-2col { grid-template-columns: 1fr !important; }
    .ba-grid { grid-template-columns: 1fr !important; }
    .ba-mid-arrow { transform: rotate(90deg); }
    .testi-grid { grid-template-columns: 1fr !important; }
}

/* 히어로 한 줄 강제 — md 이상에서만 적용, 모바일은 자연 줄바꿈 */
@media (min-width: 768px) {
    .hero-nowrap-md { white-space: nowrap; }
}

/* ============================================================
   Workflow — 5단계 입찰 흐름 개요 (customer-intro Chapter 02)
   ============================================================ */
.wf-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    counter-reset: wf;
}
.wf-step {
    position: relative;
    padding: 1.75rem 1.25rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    transition: border-color .2s, transform .2s;
}
.wf-step:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-2px);
}
.wf-step--hilite {
    background: linear-gradient(180deg, rgba(37,99,235,.08) 0%, transparent 70%), var(--card-bg);
    border-color: rgba(37,99,235,.25);
}
.wf-step-num {
    display: block;
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .12em;
    color: var(--c);
    margin-bottom: 1rem;
    font-variant-numeric: tabular-nums;
}
.wf-step h3 {
    margin: 0 0 .5rem;
    font-size: 1.0625rem;
    font-weight: 700;
    letter-spacing: -.015em;
    color: var(--text-main);
}
.wf-step p {
    margin: 0 0 1rem;
    font-size: .875rem;
    line-height: 1.6;
    color: var(--text-sub);
}
.wf-step-meta {
    display: block;
    font-size: .75rem;
    color: var(--text-sub);
    opacity: .65;
    line-height: 1.5;
}

/* ============================================================
   Values — 핵심 가치 3가지 (customer-intro Chapter 04)
   ============================================================ */
.val-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.val-card {
    position: relative;
    overflow: hidden;
    padding: 2rem 1.75rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
}
.val-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c), #60a5fa);
    opacity: .35;
}
.val-card--hilite {
    background: linear-gradient(180deg, rgba(37,99,235,.06) 0%, transparent 60%), var(--card-bg);
    border-color: rgba(37,99,235,.25);
    box-shadow: 0 22px 60px -28px rgba(37,99,235,.35);
}
.val-card--hilite::before { opacity: 1; height: 4px; }
.val-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--c);
    letter-spacing: -.04em;
    margin-bottom: 1rem;
    font-variant-numeric: tabular-nums;
    opacity: .18;
}
.val-card h3 {
    margin: 0 0 .35rem;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -.015em;
    color: var(--text-main);
}
.val-hl {
    background: linear-gradient(180deg, var(--c) 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.val-claim {
    margin: 0 0 1rem;
    font-size: .875rem;
    font-weight: 600;
    color: var(--c);
}
.val-body {
    margin: 0;
    font-size: .9rem;
    line-height: 1.7;
    color: var(--text-sub);
}

/* ============================================================
   Cases — 업종별 도입 사례 (customer-intro Chapter 03)
   ============================================================ */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    align-items: stretch;
}
.case-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
}
.case-card--hilite {
    background: linear-gradient(180deg, rgba(37,99,235,.06) 0%, transparent 55%), var(--card-bg);
    border-color: rgba(37,99,235,.25);
    box-shadow: 0 18px 48px -24px rgba(37,99,235,.3);
}
.case-tag {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    padding: .3rem .7rem;
    border-radius: 9999px;
    font-size: .6875rem;
    font-weight: 700;
    letter-spacing: .12em;
}
.case-tag--build  { background: rgba(245,158,11,.14); color: #c2710c; }
.case-tag--it     { background: rgba(37,99,235,.1);   color: var(--c); }
.case-tag--goods  { background: rgba(16,185,129,.14); color: #0a8f6a; }
html:not(.light) .case-tag--build { background: rgba(251,191,36,.14); color: #fcd34d; }
html:not(.light) .case-tag--it    { background: rgba(96,165,250,.16); color: #93c5fd; }
html:not(.light) .case-tag--goods { background: rgba(52,211,153,.14); color: #6ee7b7; }
.case-card h3 {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 800;
    letter-spacing: -.015em;
    color: var(--text-main);
}
.case-pain {
    margin: 0;
    padding: .65rem .85rem;
    border-radius: .65rem;
    border-left: 2px solid var(--card-border);
    background: var(--bg-surface);
    font-size: .8125rem;
    line-height: 1.6;
    color: var(--text-sub);
}
.case-body { flex: 1; }
.case-body h4 {
    margin: 0 0 .65rem;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--c);
}
.case-body ul {
    display: flex;
    flex-direction: column;
    gap: .55rem;
    margin: 0;
    padding: 0;
    list-style: none;
}
.case-body li {
    position: relative;
    padding-left: 1.1rem;
    font-size: .8125rem;
    line-height: 1.55;
    color: var(--text-sub);
}
.case-body li::before {
    content: '';
    position: absolute;
    left: 0; top: .55rem;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--c);
}
.case-result {
    margin-top: auto;
    padding: .9rem 1.1rem 1rem;
    border-radius: .85rem;
    background: linear-gradient(180deg, rgba(37,99,235,.07) 0%, rgba(37,99,235,.02) 100%);
    border: 1px solid rgba(37,99,235,.14);
    display: flex;
    flex-direction: column;
    gap: .35rem;
}
html:not(.light) .case-result {
    background: linear-gradient(180deg, rgba(96,165,250,.12) 0%, rgba(96,165,250,.04) 100%);
    border-color: rgba(96,165,250,.22);
}
.case-result-label {
    font-size: .625rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c);
}
.case-result p {
    margin: 0;
    font-size: .8125rem;
    line-height: 1.55;
    color: var(--text-main);
}
.case-result strong { color: var(--c); font-weight: 800; }

/* ============================================================
   KPIs — 도입 효과 측정 (customer-intro Chapter 06)
   ============================================================ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}
.kpi-card {
    padding: 2rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    text-align: center;
}
.kpi-label {
    display: block;
    margin-bottom: 1rem;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--text-sub);
    letter-spacing: -.005em;
}
.kpi-num {
    font-size: 3rem;
    font-weight: 800;
    color: var(--c);
    line-height: 1;
    margin-bottom: 1rem;
}
.kpi-card p {
    margin: 0;
    font-size: .8125rem;
    line-height: 1.6;
    color: var(--text-sub);
}

/* ============================================================
   Responsive — Workflow/Values/Cases/KPIs
   ============================================================ */
@media (max-width: 1100px) {
    .wf-grid { grid-template-columns: repeat(3, 1fr); }
    .val-grid { grid-template-columns: 1fr; }
    .case-grid { grid-template-columns: 1fr; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
    .wf-grid { grid-template-columns: 1fr; gap: .85rem; }
    .kpi-grid { grid-template-columns: 1fr; }
}

/* ===== Footer Menu Bar (사이트맵) ===== */
.footer-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: .5rem 1.5rem;
    margin: 4rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--section-border);
}
.footer-menu a {
    font-size: .8125rem;
    font-weight: 500;
    letter-spacing: -.005em;
    color: var(--text-sub);
    text-decoration: none;
    transition: color .2s ease;
}
.footer-menu a:hover {
    color: var(--text-main);
}
@media (max-width: 767px) {
    .footer-menu {
        margin-top: 2rem;
        padding-top: 1.25rem;
        gap: .25rem .75rem;
    }
    .footer-menu a {
        font-size: .8125rem;
        padding: .375rem .25rem;
    }
}

/* ===== 모바일 푸터 콤팩트 =====
   기본 Tailwind 마크업: grid-cols-1 md:grid-cols-4 gap-12
   레이아웃: 로고+철학(풀폭) → Address | Company(2열) → Contact(풀폭).
   Contact 풀폭은 이메일 wrap 깨짐 방지. */
@media (max-width: 767px) {
    footer[role="contentinfo"] {
        padding-top: 2.5rem;
        padding-bottom: 2.5rem;
    }
    footer[role="contentinfo"] > div.grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem 1.5rem;
    }
    /* 1st: 로고+철학 풀폭 */
    footer[role="contentinfo"] > div.grid > :first-child {
        grid-column: 1 / -1;
        margin-bottom: 0;
    }
    /* 3rd: Contact 풀폭 (이메일 길이 → wrap 깨짐 방지) */
    footer[role="contentinfo"] > div.grid > :nth-child(3) {
        grid-column: 1 / -1;
    }
    /* 헤딩 mb 축소 */
    footer[role="contentinfo"] > div.grid [role="heading"] {
        margin-bottom: 0.5rem;
    }
    /* ul space-y 축소 */
    footer[role="contentinfo"] > div.grid ul.space-y-2 > li + li {
        margin-top: 0.25rem;
    }
    /* Copyright 라인 위 여백 축소 */
    footer[role="contentinfo"] .mt-20 {
        margin-top: 2rem;
        padding-top: 1.25rem;
    }
}

/* ===== 운영(bidraon.ai) 노출 제어 =====
   head 인라인 스크립트가 location.hostname 확인 후 html.is-prod 클래스 부여.
   CSS로 즉시 hide → defer JS hide 패턴의 깜빡임 제거. */
.is-prod #trial-link,
.is-prod #price-link,
.is-prod #ci-trial-link,
.is-prod #ci-price-link,
.is-prod #footer-trial-link,
.is-prod #footer-price-link,
.is-prod #m-trial-link,
.is-prod #m-price-link,
.is-prod #faq-q-price,
.is-prod #faq-q-trial-start,
.is-prod #faq-q-trial-bizno { display: none !important; }

/* ===== View Transitions API =====
   same-origin 페이지 간 이동 시 부드러운 cross-fade.
   미지원 브라우저는 일반 navigation으로 안전 fallback. */
@view-transition { navigation: auto; }

/* prefers-reduced-motion 시 전환 끔 */
@media (prefers-reduced-motion: reduce) {
    ::view-transition-old(root),
    ::view-transition-new(root) { animation: none; }
}