/* =====================================================================
   반복이 홈페이지 스타일 (2026-09 리프레시)
   - Pretendard Variable 웹폰트 (jsdelivr)
   - 메시 그라데이션 히어로, 스크롤 진행 바, 섹션 하이라이트, 그라데이션 테두리 카드
   - 모션은 prefers-reduced-motion을 존중한다
   ===================================================================== */

:root {
    --primary: #1A73E8;
    --primary-hover: #1765CC;
    --primary-deep: #174EA6;
    --primary-soft: #D2E3FC;
    --primary-faint: #EAF2FF;
    --violet: #7C4DFF;
    --mint: #12B886;
    --amber: #F59E0B;
    --ink: #0F172A;
    --ink-2: #1E293B;
    --ink-muted: #5B6475;
    --ink-faint: #94A0B5;
    --bg: #FFFFFF;
    --bg-alt: #F6F8FC;
    --bg-deep: #0B1220;
    --border: #E3E8F0;
    --border-strong: #CBD5E1;
    --danger: #E5484D;
    --kakao: #FEE500;
    --kakao-ink: #191919;
    --radius: 20px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .06);
    --shadow-md: 0 12px 32px rgba(26, 115, 232, .12), 0 2px 6px rgba(15, 23, 42, .05);
    --shadow-lg: 0 30px 80px rgba(15, 23, 42, .18);
    --grad-brand: linear-gradient(135deg, #1A73E8 0%, #5B8DEF 45%, #7C4DFF 100%);
    --grad-text: linear-gradient(120deg, #1A73E8 0%, #5B8DEF 50%, #7C4DFF 100%);
    --ease: cubic-bezier(.22, 1, .36, 1);
    --transition: all .3s var(--ease);
    --nav-h: 72px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
    font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Malgun Gothic', sans-serif;
    background-color: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    word-break: keep-all;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection { background: var(--primary-soft); color: var(--ink); }

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: var(--grad-brand);
    z-index: 2000;
    transition: width .12s linear;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

.btn-primary {
    background: var(--grad-brand);
    background-size: 200% 200%;
    color: #fff;
    box-shadow: 0 10px 24px rgba(26, 115, 232, .32);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(26, 115, 232, .42);
    background-position: 100% 50%;
}

.btn-outline {
    border: 1.5px solid var(--border-strong);
    color: var(--ink);
    background: rgba(255, 255, 255, .7);
    backdrop-filter: blur(6px);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-faint);
    transform: translateY(-2px);
}

.btn-kakao {
    background: var(--kakao);
    color: var(--kakao-ink);
    box-shadow: 0 10px 24px rgba(254, 229, 0, .35);
}

.btn-kakao:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(254, 229, 0, .5);
}

.btn-ghost {
    background: rgba(255, 255, 255, .1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .28);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover { background: rgba(255, 255, 255, .2); }

.btn-nav-cta {
    background: var(--ink);
    color: #fff;
    padding: 10px 20px;
    font-size: .9rem;
}

.btn-nav-cta:hover { background: var(--primary); transform: translateY(-1px); }

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, .72);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border-bottom: 1px solid rgba(227, 232, 240, .7);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, .88);
    box-shadow: 0 8px 30px rgba(15, 23, 42, .06);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    letter-spacing: -.02em;
}

.logo i {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--grad-brand);
    color: #fff;
    font-size: .95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(26, 115, 232, .35);
}

.logo.light { color: #fff; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
    background: rgba(246, 248, 252, .8);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px;
}

.nav-links a {
    text-decoration: none;
    color: var(--ink-muted);
    font-weight: 600;
    font-size: .9rem;
    padding: 7px 14px;
    border-radius: 999px;
    transition: var(--transition);
    display: block;
}

.nav-links a:hover { color: var(--ink); background: #fff; }

.nav-links a.active {
    color: var(--primary);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.nav-right { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: var(--transition);
}

.navbar.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar.open .nav-toggle span:nth-child(2) { opacity: 0; }
.navbar.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero-section {
    position: relative;
    padding: calc(var(--nav-h) + 88px) 0 96px;
    overflow: hidden;
    background: linear-gradient(180deg, #F7FAFF 0%, #FFFFFF 100%);
    isolation: isolate;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 23, 42, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, .045) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%);
    z-index: -2;
}

.hero-glow {
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.hero-glow::before,
.hero-glow::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .55;
    animation: drift 18s ease-in-out infinite alternate;
}

.hero-glow::before {
    width: 620px;
    height: 620px;
    right: -140px;
    top: -200px;
    background: radial-gradient(circle, rgba(26, 115, 232, .55) 0%, rgba(124, 77, 255, .35) 45%, transparent 70%);
}

.hero-glow::after {
    width: 480px;
    height: 480px;
    left: -180px;
    bottom: -220px;
    background: radial-gradient(circle, rgba(18, 184, 134, .32) 0%, rgba(26, 115, 232, .28) 50%, transparent 70%);
    animation-delay: -9s;
}

@keyframes drift {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(-40px, 30px, 0) scale(1.08); }
}

.hero-section .container {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    align-items: center;
    gap: 56px;
    position: relative;
}

.hero-content > * { animation: rise .8s var(--ease) both; }
.hero-content > *:nth-child(1) { animation-delay: .05s; }
.hero-content > *:nth-child(2) { animation-delay: .15s; }
.hero-content > *:nth-child(3) { animation-delay: .25s; }
.hero-content > *:nth-child(4) { animation-delay: .35s; }
.hero-content > *:nth-child(5) { animation-delay: .45s; }

@keyframes rise {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .8);
    border: 1px solid var(--border);
    color: var(--ink-muted);
    font-size: .84rem;
    font-weight: 600;
    padding: 7px 14px 7px 10px;
    border-radius: 999px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(6px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 0 4px rgba(18, 184, 134, .18);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(18, 184, 134, .18); }
    50%      { box-shadow: 0 0 0 8px rgba(18, 184, 134, .06); }
}

.hero-title {
    font-size: clamp(2.3rem, 4.2vw, 3.4rem);
    font-weight: 800;
    line-height: 1.18;
    margin-bottom: 22px;
    letter-spacing: -.035em;
}

.highlight {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.12rem;
    color: var(--ink-muted);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-btns {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.hero-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-points li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
    color: var(--ink-2);
    font-size: .96rem;
    font-weight: 500;
}

.hero-points i {
    color: #fff;
    font-size: .7rem;
    background: var(--grad-brand);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Hero visual */
.hero-image {
    position: relative;
    animation: rise 1s var(--ease) .3s both;
}

.app-mockup {
    background: #151B27;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15, 23, 42, .08);
    width: 100%;
    transform: perspective(1600px) rotateY(-6deg) rotateX(2deg);
    transition: transform .6s var(--ease);
}

.hero-image:hover .app-mockup {
    transform: perspective(1600px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    background: #0F141E;
    padding: 11px 14px;
    display: flex;
    align-items: center;
    gap: 7px;
}

.mockup-title {
    color: #8A93A6;
    font-size: .78rem;
    margin-left: 10px;
    font-weight: 500;
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot:nth-child(1) { background: #ff5f56; }
.dot:nth-child(2) { background: #ffbd2e; }
.dot:nth-child(3) { background: #27c93f; }

.mockup-body { background: #fff; display: flex; }
.app-screenshot { width: 100%; height: auto; display: block; }

/* 떠 있는 상태 카드 / 칩 */
.float-card {
    position: absolute;
    left: -26px;
    bottom: 34px;
    width: 250px;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(227, 232, 240, .9);
    border-radius: 16px;
    padding: 14px 16px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, .16);
    animation: floaty 6s ease-in-out infinite;
}

.float-card .fc-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .8rem;
    font-weight: 700;
    color: var(--ink-2);
    margin-bottom: 8px;
}

.float-card .fc-head span:last-child {
    color: var(--mint);
    font-weight: 700;
}

.fc-bar {
    height: 8px;
    border-radius: 999px;
    background: #EEF2F8;
    overflow: hidden;
    margin-bottom: 8px;
}

.fc-bar i {
    display: block;
    height: 100%;
    width: 0;
    background: var(--grad-brand);
    border-radius: 999px;
    transition: width .35s var(--ease);
}

.fc-meta {
    display: flex;
    justify-content: space-between;
    font-size: .74rem;
    color: var(--ink-faint);
    font-variant-numeric: tabular-nums;
}

.float-chip {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(227, 232, 240, .9);
    border-radius: 999px;
    padding: 8px 14px 8px 10px;
    font-size: .8rem;
    font-weight: 700;
    color: var(--ink-2);
    box-shadow: 0 14px 34px rgba(15, 23, 42, .14);
    animation: floaty 7s ease-in-out infinite;
}

.float-chip i {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    color: #fff;
}

.chip-esc { right: -18px; top: -18px; animation-delay: -2s; }
.chip-esc i { background: var(--danger); }
.chip-local { right: 24px; bottom: -22px; animation-delay: -4s; }
.chip-local i { background: var(--mint); }

@keyframes floaty {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-9px); }
}

/* ---------- Marquee (사용처) ---------- */
.marquee {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: #fff;
    padding: 16px 0;
    overflow: hidden;
    position: relative;
}

.marquee::before,
.marquee::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.marquee::before { left: 0; background: linear-gradient(90deg, #fff, transparent); }
.marquee::after { right: 0; background: linear-gradient(270deg, #fff, transparent); }

.marquee-track {
    display: flex;
    gap: 12px;
    width: max-content;
    animation: marquee 38s linear infinite;
}

.marquee:hover .marquee-track { animation-play-state: paused; }

.marquee-track span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    color: var(--ink-muted);
    font-size: .88rem;
    font-weight: 600;
    white-space: nowrap;
}

.marquee-track span i { color: var(--primary); font-size: .8rem; }

@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ---------- Stats strip ---------- */
.stats-strip {
    background: var(--bg-deep);
    padding: 54px 0;
    position: relative;
    overflow: hidden;
}

.stats-strip::before {
    content: "";
    position: absolute;
    inset: -40% -10%;
    background:
        radial-gradient(600px 300px at 20% 40%, rgba(26, 115, 232, .45), transparent 60%),
        radial-gradient(500px 300px at 85% 60%, rgba(124, 77, 255, .4), transparent 60%);
    filter: blur(20px);
}

.stats-strip .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
}

.stat {
    text-align: center;
    color: #fff;
    padding: 22px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .1);
    backdrop-filter: blur(6px);
}

.stat-value {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -.03em;
    margin-bottom: 6px;
    background: linear-gradient(120deg, #fff 0%, #BFD3FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label { font-size: .88rem; opacity: .8; line-height: 1.5; }

/* ---------- Sections ---------- */
.section { padding: 120px 0; position: relative; }

.section-eyebrow {
    text-align: center;
    color: var(--primary);
    font-weight: 700;
    font-size: .82rem;
    letter-spacing: .04em;
    margin-bottom: 16px;
}

.section-eyebrow::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--grad-brand);
    margin-right: 8px;
    vertical-align: middle;
}

.section-eyebrow.light { color: #BFD3FF; }

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 64px;
    letter-spacing: -.03em;
    line-height: 1.28;
}

/* 공통 카드 (그라데이션 테두리 hover) */
.pain-card,
.feature-card,
.step,
.install-card,
.trust-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}

.pain-card::after,
.feature-card::after,
.step::after,
.install-card::after,
.trust-card::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: var(--grad-brand);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .35s var(--ease);
    pointer-events: none;
}

.pain-card:hover,
.feature-card:hover,
.step:hover,
.install-card:hover,
.trust-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.pain-card:hover::after,
.feature-card:hover::after,
.step:hover::after,
.install-card:hover::after,
.trust-card:hover::after { opacity: 1; }

/* ---------- Pain section ---------- */
.pain-section { background: var(--bg-alt); }

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: 22px;
    margin-bottom: 44px;
}

.pain-card { padding: 34px 30px; }

.pain-card i {
    font-size: 1.5rem;
    color: var(--danger);
    background: rgba(229, 72, 77, .09);
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.pain-card h3 { font-size: 1.18rem; margin-bottom: 10px; letter-spacing: -.01em; }
.pain-card p { color: var(--ink-muted); font-size: .95rem; }

.pain-callout {
    text-align: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 36px;
    font-size: 1.15rem;
    color: var(--ink);
    position: relative;
    overflow: hidden;
}

.pain-callout::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--grad-brand);
}

.pain-callout strong {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
}

/* ---------- Features ---------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(255px, 100%), 1fr));
    gap: 22px;
}

.feature-card { padding: 32px 28px; }

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: var(--grad-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 10px 22px rgba(26, 115, 232, .28);
}

.feature-icon i { font-size: 1.25rem; color: #fff; }
.feature-card h3 { margin-bottom: 10px; font-size: 1.12rem; letter-spacing: -.01em; }
.feature-card p { color: var(--ink-muted); font-size: .93rem; }

/* ---------- Guide (steps) ---------- */
.guide-section { background: var(--bg-alt); }

.steps-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
    gap: 24px;
    margin-bottom: 54px;
    position: relative;
}

.step { padding: 34px 28px 30px; }

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: .9rem;
    font-weight: 800;
    color: #fff;
    background: var(--grad-brand);
    border-radius: 12px;
    margin-bottom: 18px;
    box-shadow: 0 8px 18px rgba(26, 115, 232, .3);
}

.step h4 { font-size: 1.15rem; margin-bottom: 10px; letter-spacing: -.01em; }
.step p { color: var(--ink-muted); font-size: .94rem; }
.guide-cta { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ---------- Install ---------- */
.install-download {
    text-align: center;
    margin: -28px auto 44px;
    max-width: 640px;
}

.install-download .btn { gap: 10px; }

.install-download-meta {
    margin-top: 14px;
    color: var(--ink-muted);
    font-size: .9rem;
}

.install-download-note {
    margin-top: 10px;
    color: var(--ink-muted);
    font-size: .86rem;
    line-height: 1.6;
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.install-card { min-width: 0; }

@media (max-width: 992px) {
    .install-grid { grid-template-columns: minmax(0, 1fr); }
}

.install-card { padding: 32px 28px; }

.install-card > i:first-child {
    font-size: 1.3rem;
    color: var(--primary);
    background: var(--primary-faint);
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.install-card h3 { font-size: 1.1rem; margin-bottom: 10px; letter-spacing: -.01em; }
.install-card p { color: var(--ink-muted); font-size: .93rem; margin-bottom: 10px; }
.install-card p:last-child { margin-bottom: 0; }

.install-steps {
    background: var(--primary-faint);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--ink) !important;
}

.hash-cmd,
.hash-value {
    display: block;
    min-width: 0;
    max-width: 100%;
    font-family: 'JetBrains Mono', 'Cascadia Code', Consolas, 'Courier New', monospace;
    background: #0F141E;
    color: #7EE787;
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: .8rem;
    margin-bottom: 10px;
    overflow-x: auto;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, .06);
}

.hash-value { color: #79C0FF; font-size: .72rem; letter-spacing: .02em; }

.hash-label {
    font-size: .85rem !important;
    color: var(--ink-faint) !important;
    margin-bottom: 6px !important;
}

/* ---------- Trust ---------- */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(255px, 100%), 1fr));
    gap: 22px;
    margin-bottom: 36px;
}

.trust-card { padding: 32px 28px; }

.trust-card > i {
    font-size: 1.3rem;
    color: var(--primary);
    background: var(--primary-faint);
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.trust-card h3 { font-size: 1.1rem; margin-bottom: 10px; letter-spacing: -.01em; }
.trust-card p { color: var(--ink-muted); font-size: .93rem; }
.trust-link { text-align: center; }

.trust-link a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--primary-soft);
    background: var(--primary-faint);
    transition: var(--transition);
}

.trust-link a:hover { background: var(--primary-soft); transform: translateY(-2px); }

/* ---------- FAQ ---------- */
.faq-section { background: var(--bg-alt); }

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover { border-color: var(--border-strong); }

.faq-item[open] {
    border-color: var(--primary-soft);
    box-shadow: var(--shadow-md);
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 24px;
    font-weight: 700;
    font-size: 1.02rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    letter-spacing: -.01em;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: "\f067";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: .72rem;
    color: var(--primary);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-faint);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .3s var(--ease), background .3s;
    flex-shrink: 0;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.faq-item p {
    padding: 0 24px 22px;
    color: var(--ink-muted);
    font-size: .96rem;
}

.faq-item p a { color: var(--primary); font-weight: 600; }

/* ---------- Contact ---------- */
.contact-section { padding-top: 0; }

.contact-card {
    position: relative;
    overflow: hidden;
    background: var(--bg-deep);
    border-radius: 28px;
    padding: 84px 40px;
    text-align: center;
    color: #fff;
    box-shadow: var(--shadow-lg);
    isolation: isolate;
}

.contact-card::before {
    content: "";
    position: absolute;
    inset: -30%;
    background:
        radial-gradient(500px 320px at 20% 20%, rgba(26, 115, 232, .55), transparent 60%),
        radial-gradient(520px 340px at 80% 80%, rgba(124, 77, 255, .5), transparent 60%),
        radial-gradient(400px 260px at 60% 10%, rgba(18, 184, 134, .25), transparent 60%);
    filter: blur(30px);
    z-index: -1;
    animation: drift 16s ease-in-out infinite alternate;
}

.contact-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000, transparent 80%);
    z-index: -1;
}

.contact-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    line-height: 1.28;
    margin-bottom: 18px;
    letter-spacing: -.03em;
}

.contact-desc { margin-bottom: 38px; opacity: .85; font-size: 1.08rem; }

.contact-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.contact-meta {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    font-size: .9rem;
    opacity: .8;
}

.contact-meta span { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- Footer ---------- */
.footer {
    padding: 64px 0 40px;
    background: #0A0F1A;
    color: #8A93A6;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    flex-wrap: wrap;
    padding-bottom: 34px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    margin-bottom: 26px;
}

.footer-brand p { margin-top: 10px; font-size: .92rem; }

.footer-links { list-style: none; display: flex; gap: 22px; flex-wrap: wrap; }

.footer-links a {
    color: #B6BECD;
    text-decoration: none;
    font-size: .93rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.footer-legal {
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    margin-bottom: 22px;
}

.footer-legal p { font-size: .82rem; color: #6B7383; margin-bottom: 4px; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: .88rem;
}

.footer-bottom a { color: #B6BECD; text-decoration: none; }
.footer-bottom a:hover { color: #fff; }

/* ---------- Back to top ---------- */
.to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: var(--ink);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 12px 28px rgba(15, 23, 42, .25);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: var(--transition);
    z-index: 900;
}

.to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { background: var(--primary); transform: translateY(-3px); }

/* ---------- Reveal (JS가 .reveal 클래스를 붙임) ---------- */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Policy pages ---------- */
.policy-page { padding: calc(var(--nav-h) + 70px) 0 90px; }
.policy-body { max-width: 820px; margin: 0 auto; }

.policy-body h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -.03em;
}

.policy-date { color: var(--ink-faint); margin-bottom: 40px; font-size: .95rem; }

.policy-body h2 {
    font-size: 1.3rem;
    font-weight: 800;
    margin: 44px 0 14px;
    letter-spacing: -.01em;
}

.policy-body p, .policy-body li { color: var(--ink-muted); font-size: .98rem; margin-bottom: 10px; }
.policy-body ul { padding-left: 22px; margin-bottom: 14px; }
.policy-body a { color: var(--primary); }

.policy-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    margin-bottom: 30px;
}

.policy-back:hover { text-decoration: underline; }

/* ---------- Why (만든 사람 이야기 + 비교) ---------- */
.why-section { background: #fff; }

.founder-note {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto 44px;
    padding: 34px 36px;
    background: linear-gradient(180deg, #F7FAFF 0%, #FFFFFF 100%);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow-sm);
}

.founder-quote {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: var(--grad-brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 10px 22px rgba(26, 115, 232, .28);
}

.founder-body p { color: var(--ink-2); font-size: 1.02rem; line-height: 1.85; margin-bottom: 14px; }
.founder-body p:last-child { margin-bottom: 0; }
.founder-body strong { color: var(--ink); }
.founder-sign { color: var(--ink-faint) !important; font-size: .92rem !important; text-align: right; }

.compare-wrap { overflow-x: auto; margin: 0 auto; max-width: 1040px; }

.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: .93rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
}

.compare-table th, .compare-table td {
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--border);
    color: var(--ink-muted);
}

.compare-table thead th {
    background: var(--bg-alt);
    color: var(--ink);
    font-weight: 800;
    font-size: .9rem;
}

.compare-table tbody td:first-child { font-weight: 700; color: var(--ink); background: var(--bg-alt); width: 130px; }
.compare-table tr:last-child td { border-bottom: none; }

.compare-table .me {
    background: var(--primary-faint);
    color: var(--ink);
    font-weight: 700;
    border-left: 2px solid var(--primary-soft);
}

.compare-table thead th.me {
    background: var(--grad-brand);
    color: #fff;
}

.compare-note {
    text-align: center;
    color: var(--ink-muted);
    font-size: .95rem;
    margin-top: 22px;
}

/* 첫 열 고정: 가로로 넘겨도 항목 이름이 보이게 */
.compare-table th:first-child, .compare-table td:first-child { position: sticky; left: 0; z-index: 1; }

@media (max-width: 720px) {
    .founder-note { grid-template-columns: 1fr; padding: 24px 20px; }
    .founder-quote { width: 44px; height: 44px; }
    .compare-table { font-size: .84rem; min-width: 720px; }
}

/* ---------- Manual page ---------- */
.manual-page { padding-top: calc(var(--nav-h) + 56px); }

.manual-hero {
    max-width: 860px;
    margin: 0 auto 48px;
}

.manual-hero h1 {
    font-size: clamp(1.9rem, 3.4vw, 2.7rem);
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.25;
    margin-bottom: 16px;
}

.manual-lead { color: var(--ink-muted); font-size: 1.08rem; margin-bottom: 22px; }
.manual-lead strong { color: var(--ink); }

.manual-quick { display: flex; gap: 10px; flex-wrap: wrap; }

.manual-quick a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--ink);
    font-weight: 700;
    font-size: .9rem;
    text-decoration: none;
    transition: var(--transition);
}

.manual-quick a i { color: var(--primary); }
.manual-quick a:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.manual-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
}

.manual-toc {
    position: sticky;
    top: calc(var(--nav-h) + 20px);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px 16px;
}

.manual-toc p { font-size: .78rem; font-weight: 800; color: var(--ink-faint); letter-spacing: .06em; margin-bottom: 10px; }
.manual-toc ol { list-style: none; display: flex; flex-direction: column; gap: 2px; }

.manual-toc a {
    display: block;
    padding: 7px 10px;
    border-radius: 8px;
    font-size: .88rem;
    font-weight: 600;
    color: var(--ink-muted);
    text-decoration: none;
    transition: var(--transition);
}

.manual-toc a:hover { background: #fff; color: var(--primary); }

.manual-body { max-width: none; min-width: 0; width: 100%; margin: 0; }
.manual-body h2 { font-size: 1.55rem; margin: 64px 0 18px; padding-top: 8px; scroll-margin-top: calc(var(--nav-h) + 20px); }
.manual-body h2:first-child { margin-top: 0; }
.manual-body h3 { font-size: 1.12rem; font-weight: 800; margin: 34px 0 10px; letter-spacing: -.01em; }
.manual-body p, .manual-body li { font-size: 1rem; line-height: 1.8; }
.manual-body p.small { font-size: .9rem; color: var(--ink-faint); }
.manual-body code { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 6px; padding: 1px 7px; font-size: .9em; color: var(--ink); font-family: Consolas, 'Courier New', monospace; }

kbd {
    display: inline-block;
    padding: 1px 7px;
    border-radius: 6px;
    border: 1px solid var(--border-strong);
    border-bottom-width: 2px;
    background: #fff;
    font-family: inherit;
    font-size: .85em;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 18px 0 22px;
}

.concept-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px 18px;
}

.concept-num {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--grad-brand);
    color: #fff;
    font-weight: 800;
    font-size: .85rem;
    margin-bottom: 10px;
}

.concept-card h4 { font-size: 1.02rem; margin-bottom: 6px; }
.concept-card p { font-size: .92rem !important; color: var(--ink-muted); margin: 0; }

.callout {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    border-radius: 14px;
    padding: 16px 18px;
    margin: 18px 0 22px;
    border: 1px solid var(--border);
    background: #fff;
}

.callout > i { font-size: 1rem; margin-top: 4px; flex-shrink: 0; }
.callout p, .callout div { margin: 0; font-size: .97rem; color: var(--ink-2); }
.callout-plain { background: var(--bg-alt); }
.callout-info { background: var(--primary-faint); border-color: var(--primary-soft); }
.callout-info > i { color: var(--primary); }
.callout-note { background: #FFF8E6; border-color: #FDE9B8; }
.callout-note > i { color: var(--amber); }
.callout-warn { background: #FFF1F1; border-color: #F8CACA; }
.callout-warn > i { color: var(--danger); }
.callout-success { background: #ECFBF4; border-color: #BFECD8; }
.callout-success > i { color: var(--mint); }

.step-list { list-style: none; counter-reset: step; padding: 0; margin: 12px 0 8px; }

.step-list li {
    position: relative;
    padding-left: 44px;
    margin-bottom: 14px;
    counter-increment: step;
}

.step-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 2px;
    width: 30px;
    height: 30px;
    border-radius: 10px;
    background: var(--grad-brand);
    color: #fff;
    font-weight: 800;
    font-size: .85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.step-list-big li { padding: 18px 18px 18px 60px; background: #fff; border: 1px solid var(--border); border-radius: 16px; }
.step-list-big li::before { left: 16px; top: 18px; }
.step-list-big li > strong { display: block; font-size: 1.05rem; margin-bottom: 6px; }
.step-list-big li p { margin-bottom: 8px; color: var(--ink-muted); }
.step-list-big li p:last-child { margin-bottom: 0; }

.manual-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 14px 0 18px; }
.manual-table-wrap .manual-table { margin: 0; }
.manual-table-wrap.is-scrollable::before,
.compare-wrap.is-scrollable::before {
    content: "표를 좌우로 밀어서 볼 수 있습니다 →";
    display: block;
    text-align: right;
    font-size: .8rem;
    color: var(--ink-faint);
    margin-bottom: 8px;
}

.manual-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 14px 0 18px;
    font-size: .92rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.manual-table th, .manual-table td { padding: 11px 13px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.manual-table th { background: var(--bg-alt); font-weight: 700; font-size: .84rem; color: var(--ink-muted); }
.manual-table tr:last-child td { border-bottom: none; }
.manual-table td { color: var(--ink-2); }
.manual-table.mini { width: auto; min-width: 260px; }
.manual-table.settings td:first-child { font-weight: 800; color: var(--primary); }
.manual-table.settings tbody tr:hover td { background: var(--primary-faint); }

.manual-figure { margin: 10px 0 20px; }
.manual-figure img { width: 100%; border-radius: 14px; border: 1px solid var(--border); box-shadow: var(--shadow-md); }
.manual-figure figcaption { font-size: .86rem; color: var(--ink-faint); margin-top: 8px; text-align: center; }

.manual-body .faq-item { margin-bottom: 10px; }
.manual-body .faq-item p { font-size: .95rem; }

.manual-contact {
    margin-top: 56px;
    padding: 28px;
    border-radius: 18px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.manual-contact p { flex: 1 1 320px; margin: 0; }

.manual-table-wrap { overflow-x: auto; }

@media (max-width: 992px) {
    .manual-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .manual-toc { position: static; }
    .concept-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    /* 설정값 표(짧은 칸)는 한 줄 유지 + 가로 스크롤, 설명 표(.wrap)는 줄바꿈 */
    .manual-table.settings, .manual-table.mini { white-space: nowrap; }
    .manual-table.wide { min-width: 560px; }
    .manual-table th:first-child, .manual-table td:first-child { position: sticky; left: 0; background: #fff; z-index: 1; }
    .manual-table thead th:first-child { background: var(--bg-alt); }
    .manual-table.settings td:first-child { background: #fff; }
    .step-list-big li { padding-left: 54px; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
    .float-card { left: 0; }
}

@media (max-width: 992px) {
    .hero-section .container { grid-template-columns: 1fr; text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-btns { justify-content: center; }
    .hero-points { align-items: center; }
    .hero-points li { text-align: left; }
    .hero-image { max-width: 640px; margin: 24px auto 0; width: 100%; }
    .app-mockup { transform: none; }
    .stats-strip .container { grid-template-columns: repeat(2, 1fr); }

    .nav-toggle { display: inline-flex; }
    .nav-links {
        position: absolute;
        top: calc(var(--nav-h) + 8px);
        left: 16px;
        right: 16px;
        flex-direction: column;
        gap: 2px;
        background: rgba(255, 255, 255, .96);
        backdrop-filter: blur(16px);
        border-radius: 16px;
        padding: 8px;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        transition: var(--transition);
    }
    .navbar.open .nav-links { opacity: 1; transform: translateY(0); pointer-events: auto; }
    .nav-links a { padding: 12px 16px; font-size: 1rem; }
    .btn-nav-cta { display: none; }
}

@media (max-width: 768px) {
    .section { padding: 84px 0; }
    .hero-section { padding: calc(var(--nav-h) + 48px) 0 64px; }
    .stat-value { font-size: 1.9rem; }
    .contact-card { padding: 56px 24px; border-radius: 22px; }
    .float-card { width: 210px; bottom: 16px; left: 8px; }
    .chip-esc { right: 6px; top: -12px; }
    .chip-local { display: none; }
    .footer-top, .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
    .footer-legal { text-align: center; }
    .footer-links { justify-content: center; }
    .marquee::before, .marquee::after { width: 50px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001s !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001s !important;
    }
    .reveal { opacity: 1; transform: none; }
    .marquee-track { animation: none; }
}