/* =============================================
   ECK Mate – Brand Color #6FB7C4
   ============================================= */

/* ---------- Variables ---------- */
:root {
    --primary: #6FB7C4;
    --primary-dark: #5A9AA5;
    --primary-light: #8BC9D5;
    --primary-pale: rgba(111,183,196,.12);
    --grad: linear-gradient(135deg, #6FB7C4 0%, #5A9AA5 100%);
    --black: #0A0E27;
    --gray900: #111827;
    --gray700: #374151;
    --gray600: #4B5563;
    --gray500: #6B7280;
    --gray300: #D1D5DB;
    --gray100: #F3F4F6;
    --gray50: #F9FAFB;
    --white: #FFFFFF;
    --accent1: #FFD166;
    --accent2: #FFB3C6;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,.1);
    --shadow-lg: 0 8px 40px rgba(0,0,0,.14);
    --shadow-xl: 0 20px 60px rgba(0,0,0,.18);
    --shadow-prim: 0 8px 30px rgba(111,183,196,.35);
    --shadow-primary: 0 8px 30px rgba(111,183,196,.45);
    --radius: 1rem;
    --radius-sm: .6rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;
    --nav-h: 72px;
    --transition: all .3s cubic-bezier(.4,0,.2,1);
    --font-kr: 'Noto Sans KR', -apple-system, sans-serif;
    --font-en: 'Poppins', sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
    font-family: var(--font-kr);
    color: var(--gray700);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---------- Gradient Text ---------- */
.grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =============================================
   Floating Button
   ============================================= */
.floating-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
    background: var(--grad);
    color: var(--white);
    padding: .9rem 1.2rem;
    border-radius: var(--radius-lg);
    font-size: .75rem;
    font-weight: 700;
    box-shadow: var(--shadow-prim);
    transition: var(--transition);
}
.floating-btn:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(111,183,196,.5); }
.floating-btn i { font-size: 1.2rem; }

/* =============================================
   Navbar
   ============================================= */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 900;
    height: var(--nav-h);
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(111,183,196,.15);
    transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-en);
    font-weight: 900;
    font-size: 1.7rem;
    color: var(--gray900);
    letter-spacing: -.5px;
    transition: var(--transition);
}
.logo span {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo:hover { transform: scale(1.04); }
/* 로고 이미지 */
.logo-img {
    height: 36px;
    width: auto;
    display: block;
    object-fit: contain;
    /* 로고 원본 색상 그대로 표시 (filter 불필요) */
}
.footer-logo-img {
    height: 40px;
    /* 푸터 어두운 배경에서 흰색으로 표시 */
    filter: brightness(0) invert(1);
}

/* Nav menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-link {
    font-size: .92rem;
    font-weight: 500;
    color: var(--gray600);
    position: relative;
    transition: var(--transition);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--grad);
    border-radius: var(--radius-full);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-btn {
    background: var(--grad);
    color: var(--white) !important;
    padding: .5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: .88rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-prim);
}
.nav-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(111,183,196,.45); }

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: .4rem;
}
.nav-toggle span {
    display: block;
    width: 24px; height: 2px;
    background: var(--gray700);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   Buttons
   ============================================= */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--grad);
    color: var(--white);
    padding: .85rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: .95rem;
    transition: var(--transition);
    box-shadow: var(--shadow-prim);
    white-space: nowrap;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(111,183,196,.5); }

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: .82rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: .95rem;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-outline:hover { background: var(--primary-pale); transform: translateY(-3px); }

.btn-sm {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: var(--grad);
    color: var(--white);
    padding: .5rem 1.1rem;
    border-radius: var(--radius-full);
    font-size: .82rem;
    font-weight: 700;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-sm:hover { transform: translateY(-2px); box-shadow: var(--shadow-prim); }

.btn-store {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    background: var(--gray900);
    color: var(--white);
    padding: .75rem 1.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
}
.btn-store:hover { background: var(--gray700); transform: translateY(-2px); }
.btn-store i { font-size: 1.6rem; }
.btn-store small { display:block; font-size:.65rem; opacity:.8; line-height:1; }
.btn-store strong { display:block; font-size:.95rem; font-family: var(--font-en); }
.btn-store.white { background: var(--white); color: var(--gray900); }
.btn-store.white:hover { background: var(--gray100); }

.store-btns { display:flex; gap:1rem; flex-wrap:wrap; }
.store-btns.center { justify-content:center; }

/* =============================================
   Section Commons
   ============================================= */
section { padding: 6rem 0; }

.section-head { text-align:center; margin-bottom:3.5rem; }
.sec-badge {
    display: inline-block;
    background: var(--primary-pale);
    color: var(--primary-dark);
    padding: .35rem 1rem;
    border-radius: var(--radius-full);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .5px;
    margin-bottom: 1rem;
}
.sec-title {
    font-family: var(--font-en);
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--black);
    line-height: 1.2;
    margin-bottom: .75rem;
}
.sec-desc { color: var(--gray500); font-size:1.05rem; line-height:1.8; }
.sec-cta { text-align:center; margin-top:3rem; }

/* =============================================
   Hero
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    padding-top: calc(var(--nav-h) + 4rem);
    padding-bottom: 5rem;
    background: linear-gradient(160deg, #f0f9fb 0%, #e8f4f6 40%, #fff 100%);
    overflow: hidden;
}
.hero-shapes { position:absolute; inset:0; pointer-events:none; overflow:hidden; }
.hs {
    position: absolute;
    border-radius: 50%;
    opacity: .18;
}
.hs1 { width:500px; height:500px; background:var(--primary); top:-150px; right:-100px; animation: float1 8s ease-in-out infinite; }
.hs2 { width:300px; height:300px; background:var(--primary-light); bottom:100px; left:-80px; animation: float2 10s ease-in-out infinite; }
.hs3 { width:200px; height:200px; background:var(--accent1); top:40%; left:40%; animation: float1 12s ease-in-out infinite; }
@keyframes float1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-30px)} }
@keyframes float2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(20px)} }

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Hero Left */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(111,183,196,.12);
    color: var(--primary-dark);
    padding: .45rem 1rem;
    border-radius: var(--radius-full);
    font-size: .82rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}
.hero-badge i { color: var(--accent1); }

.hero-title {
    font-family: var(--font-en);
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.15;
    color: var(--black);
    margin-bottom: 1.25rem;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--gray600);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: .75rem;
}
.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: .9rem .7rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: .5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(111,183,196,.15);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-icon-wrap {
    width: 42px; height: 42px;
    background: var(--primary-pale);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
}
.stat-body { display:flex; flex-direction:column; gap:.15rem; }
.stat-num {
    font-family: var(--font-en);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}
.stat-lbl { font-size: .68rem; color: var(--gray500); font-weight: 600; line-height: 1.3; }

/* Hero Right – Phone */
.hero-right { display:flex; justify-content:center; align-items:center; }
.phone-wrap { animation: float1 5s ease-in-out infinite; }
.phone-frame {
    width: 280px;
    background: var(--gray900);
    border-radius: 40px;
    padding: 16px 14px 24px;
    box-shadow: 0 30px 80px rgba(0,0,0,.3);
    position: relative;
}
.phone-notch {
    width: 90px; height: 22px;
    background: var(--gray900);
    border-radius: 0 0 14px 14px;
    margin: 0 auto 12px;
}
.phone-screen {
    background: linear-gradient(145deg, #e8f4f6 0%, #fff 100%);
    border-radius: 28px;
    padding: 1.2rem;
    min-height: 480px;
}
/* 이미지로 교체된 폰 화면 */
.phone-screen-img {
    padding: 0;
    overflow: hidden;
    min-height: auto;
    height: 520px;
}
.phone-screen-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    border-radius: 28px;
    display: block;
}
.app-time { font-family: var(--font-en); font-size:.85rem; font-weight:700; color:var(--gray700); margin-bottom:1.2rem; }
.app-greeting { font-size:.9rem; font-weight:700; color:var(--gray900); margin-bottom:1rem; }
.app-cards { display:grid; grid-template-columns:1fr 1fr; gap:.7rem; }
.app-card {
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: .9rem .6rem;
    display: flex; flex-direction: column; align-items: center; gap: .4rem;
    font-size: .72rem; font-weight: 600; color: var(--gray700);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.app-card:hover { transform:scale(1.04); }
.app-card i { font-size:1.4rem; color:var(--primary); }

/* =============================================
   Features Section
   ============================================= */
.features-section { background: var(--gray50); padding: 5rem 0; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}
.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.8rem 1.2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray100);
    transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(111,183,196,.3); }
.fc-icon {
    width: 58px; height: 58px;
    background: var(--primary-pale);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1rem;
    color: var(--primary);
    font-size: 1.45rem;
    transition: var(--transition);
}
.feature-card:hover .fc-icon { background: var(--grad); color: var(--white); }
.feature-card h3 { font-size:1rem; font-weight:700; color:var(--gray900); margin-bottom:.4rem; }
.feature-card p { font-size:.82rem; color:var(--gray500); line-height:1.65; }

/* =============================================
   Course Image Slider (Session 01)
   ============================================= */
.course-slider {
    position: relative;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16/10;
    background: var(--gray100);
}

.course-slides {
    width: 100%;
    height: 100%;
    position: relative;
}

.course-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .6s ease;
}

.course-slide.active {
    opacity: 1;
}

.course-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    display: block;
    padding: 1.5rem 2rem;
    background: #f8fbfc;
    box-sizing: border-box;
}

.course-dots {
    position: absolute;
    bottom: .9rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: .5rem;
    z-index: 10;
}

.cdot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.cdot.active {
    background: var(--white);
    transform: scale(1.3);
}

/* =============================================
   Community App Screenshots (Session 03)
   ============================================= */
.community-imgs {
    position: relative;
    width: 100%;
    aspect-ratio: 4/5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comm-img {
    position: absolute;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    object-position: top;
}

.comm-img-back {
    width: 62%;
    top: 0;
    right: 0;
    transform: rotate(4deg) translateY(10px);
    z-index: 1;
    box-shadow: 0 20px 60px rgba(0,0,0,.18);
}

.comm-img-front {
    width: 65%;
    bottom: 0;
    left: 0;
    transform: rotate(-3deg) translateY(-10px);
    z-index: 2;
    box-shadow: 0 24px 64px rgba(0,0,0,.22);
}

/* =============================================
   Living Info Section (Session 05) – 리뉴얼
   ============================================= */
.living-section {
    padding: 6rem 0;
    background: #f8fbff;
}

/* 주제 아이콘 배지 바 */
.living-topics {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin: 2rem 0 3.5rem;
}
.lt-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .55rem;
    cursor: default;
}
.lt-icon {
    width: 56px; height: 56px;
    background: var(--white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(111,183,196,.22);
    transition: var(--transition);
    border: 2px solid rgba(111,183,196,.15);
}
.lt-item:hover .lt-icon {
    background: var(--grad);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(111,183,196,.4);
}
.lt-item span {
    font-size: .78rem;
    font-weight: 700;
    color: var(--gray600);
}

/* 두 블록 래퍼 */
.living-blocks {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* 각 블록 (이미지 + 텍스트 좌우 배치) */
.living-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 3.5rem 0;
}
.living-block.reverse {
    direction: rtl;
}
.living-block.reverse > * {
    direction: ltr;
}

/* 이미지 래퍼 */
.lb-img-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: visible;
}
.lb-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: contain;
    object-position: center center;
    border-radius: var(--radius-lg);
    display: block;
    box-shadow: var(--shadow-lg);
    padding: 1.5rem 2rem;
    background: #f8fbfc;
    box-sizing: border-box;
}
.lb-img-overlay {
    position: absolute;
    bottom: 1rem; left: 1rem;
}
.lb-overlay-badge {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    background: rgba(26,132,173,.82);
    backdrop-filter: blur(8px);
    color: var(--white);
    font-size: .78rem;
    font-weight: 700;
    padding: .45rem .9rem;
    border-radius: var(--radius-full);
}
/* 플로팅 스탯 카드 */
.lb-stat-card {
    position: absolute;
    top: -1.2rem; right: -1.2rem;
    background: var(--grad);
    color: var(--white);
    padding: 1rem 1.3rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 8px 24px rgba(111,183,196,.4);
    min-width: 90px;
}
.lb-stat-num {
    font-size: 1.6rem;
    font-weight: 900;
    line-height: 1;
}
.lb-stat-num span { font-size: 1rem; }
.lb-stat-label {
    font-size: .7rem;
    opacity: .9;
    margin-top: .25rem;
    font-weight: 600;
}

/* 텍스트 블록 */
.lb-info { }
.lb-info h3 {
    font-size: 1.7rem;
    font-weight: 900;
    color: var(--black);
    line-height: 1.25;
    margin: .6rem 0 .9rem;
}
.lb-info > p {
    font-size: .95rem;
    color: var(--gray600);
    line-height: 1.8;
    margin-bottom: 1.6rem;
}

/* 프로세스 스텝 */
.lb-steps {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    margin-bottom: 1.4rem;
    padding: 1.2rem 1.4rem;
    background: var(--white);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-sm);
}
.lb-step {
    display: flex;
    align-items: flex-start;
    gap: .85rem;
}
.lb-step-num {
    width: 26px; height: 26px;
    background: var(--grad);
    color: var(--white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .78rem;
    font-weight: 900;
    flex-shrink: 0;
}
.lb-step-text {
    display: flex;
    flex-direction: column;
    gap: .15rem;
}
.lb-step-text strong {
    font-size: .88rem;
    color: var(--black);
    font-weight: 700;
}
.lb-step-text span {
    font-size: .78rem;
    color: var(--gray500);
}

/* 커리큘럼 그리드 */
.lb-curriculum {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .9rem;
    margin-bottom: 1.6rem;
}
.lb-curr-item {
    display: flex;
    align-items: flex-start;
    gap: .65rem;
    background: var(--white);
    padding: .9rem 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray100);
    transition: var(--transition);
}
.lb-curr-item:hover {
    border-color: rgba(124,58,237,.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.lb-curr-item i {
    font-size: 1.1rem;
    margin-top: .1rem;
    flex-shrink: 0;
}
.lb-curr-item div { display: flex; flex-direction: column; gap: .2rem; }
.lb-curr-item strong { font-size: .85rem; color: var(--black); font-weight: 700; }
.lb-curr-item span { font-size: .75rem; color: var(--gray500); }

/* 구분선 */
.living-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    color: var(--gray400);
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.living-divider::before,
.living-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray200);
}

/* 공통 배지 & 리스트 & 버튼 */
.lc-badge {
    display: inline-block;
    background: var(--primary-pale);
    color: var(--primary-dark);
    font-size: .75rem;
    font-weight: 700;
    padding: .28rem .85rem;
    border-radius: var(--radius-full);
    margin-bottom: .5rem;
}
.lc-badge.accent {
    background: rgba(124,58,237,.1);
    color: #7c3aed;
}
.lc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    margin-bottom: 1.6rem;
}
.lc-list li {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    font-size: .88rem;
    color: var(--gray700);
    line-height: 1.55;
}
.lc-list li i {
    color: var(--primary);
    font-size: .85rem;
    margin-top: .18rem;
    flex-shrink: 0;
}
.lb-info:has(.lc-badge.accent) .lc-list li i { color: #7c3aed; }
.lc-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--grad);
    color: var(--white);
    padding: .75rem 1.6rem;
    border-radius: var(--radius-full);
    font-size: .9rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(111,183,196,.35);
}
.lc-btn:hover {
    opacity: .88;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(111,183,196,.45);
}
.lc-btn.accent {
    background: linear-gradient(135deg,#7c3aed,#c471ed);
    box-shadow: 0 4px 14px rgba(124,58,237,.3);
}
.lc-btn.accent:hover {
    box-shadow: 0 6px 20px rgba(124,58,237,.4);
}

/* =============================================
   Content Sections (01, 03)
   ============================================= */
.content-section { padding: 6rem 0; background: var(--white); }
.content-section.alt { background: var(--gray50); }

.cs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.cs-grid.reverse { }
.cs-grid.reverse .cs-visual { order:2; }
.cs-grid.reverse .cs-info { order:1; }

/* Image block */
.cs-img {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    background-size: cover;
    background-position: center;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.cs-overlay {
    position: absolute; inset:0;
    background: linear-gradient(135deg, rgba(111,183,196,.5) 0%, rgba(90,154,165,.6) 100%);
    border-radius: var(--radius-lg);
}

/* Info block */
.cs-badge {
    display: inline-block;
    background: var(--primary-pale);
    color: var(--primary-dark);
    padding: .35rem 1rem;
    border-radius: var(--radius-full);
    font-size: .8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.cs-info h2 {
    font-family: var(--font-en);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--black);
    line-height: 1.25;
    margin-bottom: 1rem;
}
.cs-info > p {
    color: var(--gray600);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}
.cs-list { display:flex; flex-direction:column; gap:1.25rem; margin-bottom:2rem; }
.cs-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.cs-list li > i {
    flex-shrink: 0;
    width: 42px; height: 42px;
    background: var(--primary-pale);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: .1rem;
}
.cs-list li > div { display:flex; flex-direction:column; gap:.25rem; }
.cs-list li strong { font-size:.95rem; color:var(--gray900); font-weight:700; }
.cs-list li span { font-size:.85rem; color:var(--gray500); line-height:1.6; }

/* =============================================
   Culture Grid (Session 02)
   ============================================= */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    margin-bottom: 1rem;
}
.culture-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray100);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.cc-img {
    position: relative;
    height: 190px;
    background-size: cover;
    background-position: center;
}
.cc-badge {
    position: absolute; top:.75rem; left:.75rem;
    padding: .25rem .75rem;
    border-radius: var(--radius-full);
    font-size: .72rem;
    font-weight: 700;
    color: var(--white);
}
.cc-badge.pop { background: #FF6B6B; }
.cc-badge.rec { background: #4CAF50; }
.cc-badge.new { background: var(--primary); }
.cc-body { padding:1.25rem; flex:1; display:flex; flex-direction:column; gap:.5rem; }
.cc-cat { font-size:.72rem; font-weight:700; color:var(--primary); text-transform:uppercase; letter-spacing:.5px; }
.cc-body h3 { font-size:1rem; font-weight:700; color:var(--gray900); line-height:1.3; }
.cc-body p { font-size:.83rem; color:var(--gray500); line-height:1.6; flex:1; }
.cc-meta { font-size:.78rem; color:var(--gray500); }
.cc-footer { display:flex; justify-content:space-between; align-items:center; margin-top:auto; padding-top:.75rem; border-top:1px solid var(--gray100); flex-wrap:wrap; gap:.5rem; }
.cc-price { display:none !important; }
.cc-price small { font-size:.72rem; color:var(--gray500); font-weight:400; }
/* 카드 이미지 링크 */
.cc-img-link { display:block; text-decoration:none; }
.cc-img-link .cc-img { transition: var(--transition); }
.cc-img-link:hover .cc-img { opacity:.92; transform:scale(1.02); }
/* 카드 제목 링크 */
.cc-body h3 a { color:inherit; text-decoration:none; }
.cc-body h3 a:hover { color:var(--primary); }
/* 버튼 그룹 */
.cc-btns { display:flex; gap:.4rem; }
/* 상세보기 버튼 (아웃라인 스타일) */
.btn-detail-sm {
    background: var(--white) !important;
    color: var(--primary) !important;
    border: 1.5px solid var(--primary) !important;
}
.btn-detail-sm:hover {
    background: var(--primary-pale) !important;
    transform: translateY(-2px);
}

/* =============================================
   Jobs Section
   ============================================= */
.jobs-section { background: var(--gray50); padding: 6rem 0; }
.jobs-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:2rem; }
.job-card {
    background: var(--white);
    border-radius: 1.25rem;
    overflow: hidden;
    border: 1px solid var(--gray100);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.job-card:hover { transform:translateY(-8px); box-shadow:var(--shadow-xl); border-color:rgba(111,183,196,.3); }

/* 카드 사진 영역 */
.jc-photo {
    position: relative;
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}
.jc-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
}
.jc-badge-wrap {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 1;
}
.jc-category {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(111,183,196,0.92);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    padding: .35rem .85rem;
    border-radius: var(--radius-full);
    letter-spacing: .02em;
}

/* 카드 본문 */
.jc-body {
    padding: 1.5rem 1.75rem 1.75rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.jc-body h3 { font-size:1.15rem; font-weight:800; color:var(--gray900); margin-bottom:.6rem; }
.jc-body p { font-size:.875rem; color:var(--gray500); line-height:1.75; margin-bottom:1rem; flex:1; }
.jc-tags { display:flex; gap:.4rem; flex-wrap:wrap; margin-bottom:1.25rem; }
.jc-tags span {
    background: var(--primary-pale);
    color: var(--primary-dark);
    padding: .25rem .7rem;
    border-radius: var(--radius-full);
    font-size: .72rem;
    font-weight: 600;
}

/* 지원하기 버튼 */
.jc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: var(--grad);
    color: #fff;
    font-size: .9rem;
    font-weight: 700;
    padding: .75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
    width: 100%;
    box-sizing: border-box;
}
.jc-btn:hover { opacity: .88; transform: translateY(-2px); box-shadow: var(--shadow-primary); }
.jc-btn.kakao-btn {
    background: #FEE500;
    color: #3A1D1D;
}

/* =============================================
   Download Section
   ============================================= */
.download-section {
    background: var(--grad);
    position: relative;
    overflow: hidden;
    padding: 6rem 0;
}
.dl-shapes { position:absolute; inset:0; pointer-events:none; overflow:hidden; }
.dl-s {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
}
.dl-s1 { width:400px; height:400px; top:-150px; right:-100px; }
.dl-s2 { width:300px; height:300px; bottom:-100px; left:-80px; }
.dl-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}
.dl-content h2 {
    font-family: var(--font-en);
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 1rem;
}
.dl-content p { font-size:1.1rem; opacity:.9; line-height:1.8; margin-bottom:2.5rem; }

/* =============================================
   Footer
   ============================================= */
.footer {
    background: #0D1117;
    color: rgba(255,255,255,.75);
    padding: 5rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
    font-family: var(--font-en);
    font-weight: 900;
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 1rem;
    letter-spacing: -.5px;
    display: flex;
    align-items: center;
}
.footer-logo span {
    background: linear-gradient(135deg, #8BC9D5, #6FB7C4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer-brand p { font-size:.88rem; line-height:1.8; margin-bottom:1.5rem; }

.social-links { display:flex; gap:.75rem; flex-wrap:wrap; }
.social-links a {
    width: 40px; height: 40px;
    background: rgba(255,255,255,.08);
    border-radius: var(--radius-sm);
    display: flex; align-items:center; justify-content:center;
    color: rgba(255,255,255,.6);
    font-size: .95rem;
    transition: var(--transition);
}
.social-links a:hover { background:var(--primary); color:var(--white); transform:translateY(-3px); }

.footer-col h4 { font-size:.9rem; font-weight:700; color:var(--white); margin-bottom:1.2rem; }
.footer-col ul { display:flex; flex-direction:column; gap:.7rem; }
.footer-col ul li { font-size:.85rem; display:flex; align-items:center; gap:.5rem; }
.footer-col ul a { color:rgba(255,255,255,.6); transition:var(--transition); }
.footer-col ul a:hover { color:var(--primary-light); }
.footer-col ul li i { color:var(--primary); font-size:.8rem; flex-shrink:0; }

.footer-bottom { text-align:center; }
.footer-bottom p { font-size:.78rem; color:rgba(255,255,255,.35); line-height:2; }
.footer-ai-note { font-size:.72rem; color:rgba(255,255,255,.25); margin-top:.3rem; }

/* =============================================
   Responsive – Tablet (≤ 968px)
   ============================================= */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: var(--nav-h); left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 1.5rem 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: var(--transition);
        z-index: 800;
    }
    .nav-menu.active { transform: translateY(0); }
    .nav-link { padding: .75rem 0; border-bottom: 1px solid var(--gray100); width:100%; }
    .nav-btn { margin-top:.75rem; text-align:center; }
    .nav-toggle { display:flex; }

    .hero { padding-top: calc(var(--nav-h) + 3rem); }
    .hero-grid { grid-template-columns:1fr; gap:3rem; }
    .hero-right { display:none; }
    .hero-title { font-size:2.4rem; }

    .stats-grid { grid-template-columns:repeat(3,1fr); gap:.6rem; }

    .features-grid { grid-template-columns:repeat(3,1fr); }
    .culture-grid { grid-template-columns:repeat(2,1fr); }
    .jobs-grid { grid-template-columns:repeat(2,1fr); }
    .living-block { grid-template-columns:1fr; gap:2rem; }
    .living-block.reverse { direction:ltr; }
    .lb-stat-card { top:-1rem; right:.5rem; }
    .lb-curr-item { padding:.75rem .85rem; }
    .cs-grid { grid-template-columns:1fr; gap:2.5rem; }
    .cs-grid.reverse .cs-visual { order:0; }
    .cs-grid.reverse .cs-info { order:0; }

    .footer-grid { grid-template-columns:1fr 1fr; gap:2rem; }
    .footer-brand { grid-column:span 2; }

    .sec-title { font-size:2rem; }
}

/* =============================================
   Responsive – Mobile (≤ 640px)
   ============================================= */
@media (max-width: 640px) {
    section { padding:4rem 0; }
    .container { padding:0 1.2rem; }

    .hero { padding-top: calc(var(--nav-h) + 2rem); }
    .hero-title { font-size:2rem; }
    .hero-sub { font-size:.95rem; }
    .hero-btns { flex-direction:column; }
    .hero-btns a { width:100%; justify-content:center; }

    .stats-grid { grid-template-columns:repeat(2,1fr); }
    .stat-num { font-size:1.1rem; }

    .features-grid { grid-template-columns:repeat(2,1fr); }
    .culture-grid { grid-template-columns:1fr; }
    .jobs-grid { grid-template-columns:1fr; }
    .living-block { grid-template-columns:1fr; gap:1.8rem; padding:2.5rem 0; }
    .lb-curriculum { grid-template-columns:1fr; }
    .lb-steps { margin-bottom:1.2rem; }
    .living-topics { gap:.8rem; }
    .lt-icon { width:48px; height:48px; font-size:1.1rem; }

    .sec-title { font-size:1.8rem; }
    .cs-info h2 { font-size:1.75rem; }

    .store-btns { flex-direction:column; }
    .btn-store { width:100%; }

    .footer-grid { grid-template-columns:1fr; }
    .footer-brand { grid-column:span 1; }
    .dl-content h2 { font-size:2rem; }
}