:root {
    --dark: #2D3436;
    --mid: #636E72;
    --light: #F8F9FA;
    --orange: #E8873A;
    --orange-v: #FF9F43;
    --orange-bg: #FFF8F0;
    --orange-s: #FFECD2;
    --green: #7AB648;
    --green-v: #00B894;
    --green-bg: #F0FFF4;
    --green-s: #D5F5E3;
    --blue: #5B9BD5;
    --blue-v: #74B9FF;
    --blue-bg: #F0F7FF;
    --blue-s: #D6E8F7;
    --white: #FFF;
    --r: 20px;
    --rs: 12px
}

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

html,
body {
    height: 100vh;
    height: 100dvh;
    overflow: hidden
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--dark);
    background: var(--light);
    line-height: 1.85;
    font-size: 16px;
    -webkit-font-smoothing: antialiased
}

.global-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--orange), var(--blue), var(--green));
    z-index: 200;
    width: 0;
    transition: width .3s
}

.slide-container {
    position: relative;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    height: 100dvh
}

.slide-track {
    display: flex;
    height: 100%;
    transition: transform .7s cubic-bezier(.4, 0, .2, 1)
}

.slide {
    flex: 0 0 100vw;
    height: 100vh;
    height: 100dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    position: relative;
    overscroll-behavior-y: contain;
    padding-bottom: env(safe-area-inset-bottom, 0px)
}

.slide::-webkit-scrollbar {
    width: 6px
}

.slide::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, .15);
    border-radius: 3px
}

/* Hero (slide 0) */
.hero-slide {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
    padding: 80px 24px 80px;
    background: linear-gradient(135deg, #FFF8F0 0%, #FFF 25%, #F0F7FF 50%, #FFF 75%, #F0FFF4 100%);
    position: relative;
    overflow-y: auto;
    overflow-x: hidden
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 135, 58, .1), transparent 70%);
    animation: blob 10s ease-in-out infinite alternate
}

.hero-slide::after {
    content: '';
    position: absolute;
    bottom: -25%;
    left: -8%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(122, 182, 72, .1), transparent 70%);
    animation: blob 12s ease-in-out infinite alternate-reverse
}

@keyframes blob {
    0% {
        transform: translate(0, 0) scale(1)
    }

    100% {
        transform: translate(30px, -40px) scale(1.1)
    }
}

.hero-slide>* {
    position: relative;
    z-index: 1
}

.hero-logo {
    height: 60px;
    margin-bottom: 32px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, .08))
}

.hero-slide h1 {
    font-size: 36px;
    font-weight: 900;
    line-height: 1.5;
    margin-bottom: 16px;
    letter-spacing: -.03em;
    word-break: keep-all
}

.hero-slide .subtitle {
    font-size: 17px;
    color: var(--mid);
    margin-bottom: 56px
}

.scroll-hint {
    margin-top: 40px;
    color: var(--mid);
    font-size: 14px;
    animation: bounce 2s infinite;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(8px)
    }
}

.topic-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    width: 100%
}

.topic-card {
    background: rgba(255, 255, 255, .7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, .8);
    border-radius: var(--r);
    padding: 36px 24px 32px;
    cursor: pointer;
    text-decoration: none;
    color: var(--dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .05);
    transition: all .4s cubic-bezier(.4, 0, .2, 1);
    font-family: inherit
}

.topic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: height .4s
}

.tc1::before {
    background: linear-gradient(90deg, var(--orange), var(--orange-v))
}

.tc2::before {
    background: linear-gradient(90deg, var(--blue), var(--blue-v))
}

.tc3::before {
    background: linear-gradient(90deg, var(--green), var(--green-v))
}

.topic-card:hover {
    transform: translateY(-8px)
}

.tc1:hover {
    box-shadow: 0 8px 30px rgba(232, 135, 58, .18)
}

.tc2:hover {
    box-shadow: 0 8px 30px rgba(91, 155, 213, .18)
}

.tc3:hover {
    box-shadow: 0 8px 30px rgba(122, 182, 72, .18)
}

.topic-card:hover::before {
    height: 6px
}

.topic-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 30px;
    transition: transform .3s
}

.topic-card:hover .topic-icon {
    transform: scale(1.1) rotate(-3deg)
}

.tc1 .topic-icon {
    background: linear-gradient(135deg, var(--orange-s), #FFF3E8)
}

.tc2 .topic-icon {
    background: linear-gradient(135deg, var(--blue-s), #E8F4FD)
}

.tc3 .topic-icon {
    background: linear-gradient(135deg, var(--green-s), #E8F8E8)
}

.topic-card h3 {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 8px
}

.topic-card p {
    font-size: 14px;
    color: var(--mid);
    line-height: 1.6
}

/* Slide nav */
.slide-nav {
    position: fixed;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .15);
    cursor: pointer;
    transition: all .3s;
    border: 2px solid transparent;
    padding: 0
}

.dot.active {
    transform: scale(1.3)
}

.dot[data-i="0"].active {
    background: var(--orange);
    border-color: var(--orange-s)
}

.dot[data-i="1"].active {
    background: var(--blue);
    border-color: var(--blue-s)
}

.dot[data-i="2"].active {
    background: var(--green);
    border-color: var(--green-s)
}

.slide-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 0, 0, .08);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all .3s;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .08);
    margin: 4px 0;
    padding: 0;
    font-family: inherit
}

.slide-arrow:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, .12)
}

.slide-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 11px;
    font-weight: 700;
    color: var(--mid);
    letter-spacing: .08em;
    margin: 8px 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    transition: color .3s
}

.slide-label.active-label {
    font-weight: 900
}

.slide-label.active-label[data-i="0"] {
    color: var(--orange)
}

.slide-label.active-label[data-i="1"] {
    color: var(--blue)
}

.slide-label.active-label[data-i="2"] {
    color: var(--green)
}

/* Content sections */
.section-pad {
    padding: 80px 24px 100px;
    max-width: 800px;
    margin: 0 auto
}

.s-abuse {
    background: linear-gradient(180deg, var(--orange-bg), #FFFBF5)
}

.s-divorce {
    background: linear-gradient(180deg, var(--blue-bg), #F8FBFF)
}

.s-juvenile {
    background: linear-gradient(180deg, var(--green-bg), #F5FFF5)
}

.section-header {
    text-align: center;
    margin-bottom: 52px
}

.section-icon {
    width: 80px;
    height: 80px;
    border-radius: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .05)
}

.s-abuse .section-icon {
    background: linear-gradient(135deg, var(--orange-s), #FFE0B2)
}

.s-divorce .section-icon {
    background: linear-gradient(135deg, var(--blue-s), #B3D9F7)
}

.s-juvenile .section-icon {
    background: linear-gradient(135deg, var(--green-s), #A8E6B0)
}

.section-header h2 {
    font-size: 28px;
    font-weight: 900;
    line-height: 1.5;
    margin-bottom: 10px;
    letter-spacing: -.03em
}

.section-header .section-sub {
    font-size: 16px;
    color: var(--mid)
}

.reading-bar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    z-index: 10;
    background: rgba(0, 0, 0, .04)
}

.reading-fill {
    height: 100%;
    width: 0;
    transition: width .15s
}

.s-abuse .reading-fill {
    background: linear-gradient(90deg, var(--orange), var(--orange-v))
}

.s-divorce .reading-fill {
    background: linear-gradient(90deg, var(--blue), var(--blue-v))
}

.s-juvenile .reading-fill {
    background: linear-gradient(90deg, var(--green), var(--green-v))
}

.keywords {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 44px
}

.keyword-card {
    padding: 20px 22px;
    border-radius: var(--rs);
    font-size: 15px;
    font-weight: 500;
    background: var(--white);
    box-shadow: 0 2px 12px rgba(0, 0, 0, .05);
    line-height: 1.6;
    transition: all .4s;
    position: relative;
    overflow: hidden
}

.keyword-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, .08)
}

.s-abuse .keyword-card {
    border-left: 4px solid var(--orange)
}

.s-divorce .keyword-card {
    border-left: 4px solid var(--blue)
}

.s-juvenile .keyword-card {
    border-left: 4px solid var(--green)
}

.body-text {
    background: var(--white);
    border-radius: var(--r);
    padding: 44px 40px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, .08);
    margin-bottom: 44px;
    border: 1px solid rgba(0, 0, 0, .03)
}

.body-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 2.1;
    opacity: 0;
    transform: translateY(20px);
    transition: all .6s cubic-bezier(.4, 0, .2, 1)
}

.body-text p.revealed {
    opacity: 1;
    transform: translateY(0)
}

.body-text p:last-child {
    margin-bottom: 0
}

.pull-quote {
    padding: 32px 40px;
    margin: 32px 0;
    border-radius: var(--r);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.6;
    text-align: center;
    position: relative;
    opacity: 0;
    transform: scale(.95);
    transition: all .6s
}

.pull-quote.revealed {
    opacity: 1;
    transform: scale(1)
}

.s-abuse .pull-quote {
    background: var(--orange-s);
    color: #B35A15
}

.s-divorce .pull-quote {
    background: var(--blue-s);
    color: #2A6DA0
}

.s-juvenile .pull-quote {
    background: var(--green-s);
    color: #4A8520
}

.pull-quote::before {
    content: '\201C';
    font-size: 60px;
    position: absolute;
    top: -10px;
    left: 20px;
    opacity: .2;
    font-family: Georgia, serif
}

.media-stack {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-top: 40px
}

.media-box {
    background: var(--white);
    border-radius: var(--r);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, .08);
    border: 1px solid rgba(0, 0, 0, .03);
    transition: all .3s
}

.media-box:hover {
    box-shadow: 0 16px 48px rgba(0, 0, 0, .12)
}

.media-box h4 {
    padding: 20px 24px 8px;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px
}

.media-label {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    color: white
}

.s-abuse .media-label {
    background: linear-gradient(135deg, var(--orange), var(--orange-v))
}

.s-divorce .media-label {
    background: linear-gradient(135deg, var(--blue), var(--blue-v))
}

.s-juvenile .media-label {
    background: linear-gradient(135deg, var(--green), var(--green-v))
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    margin: 8px 24px 24px;
    border-radius: var(--rs);
    overflow: hidden;
    background: #000
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none
}

.pdf-preview {
    padding: 8px 24px 24px
}

.pdf-preview iframe {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: var(--rs);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .06)
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 28px;
    font-size: 14px;
    font-weight: 700;
    margin: 4px 24px 24px;
    transition: all .3s cubic-bezier(.4, 0, .2, 1)
}

.s-abuse .cta-btn {
    background: linear-gradient(135deg, var(--orange), var(--orange-v))
}

.s-divorce .cta-btn {
    background: linear-gradient(135deg, var(--blue), var(--blue-v))
}

.s-juvenile .cta-btn {
    background: linear-gradient(135deg, var(--green), var(--green-v))
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .15)
}

.nav-prompt {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 40px 24px 60px
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 28px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all .3s;
    text-decoration: none;
    border: 2px solid rgba(0, 0, 0, .1);
    color: var(--dark);
    background: var(--white);
    box-shadow: 0 2px 12px rgba(0, 0, 0, .05);
    font-family: inherit
}

.nav-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .1)
}

.nav-btn.next {
    color: var(--white);
    border: none
}

.s-abuse .nav-btn.next {
    background: linear-gradient(135deg, var(--orange), var(--orange-v))
}

.s-divorce .nav-btn.next {
    background: linear-gradient(135deg, var(--blue), var(--blue-v))
}

.s-juvenile .nav-btn.next {
    background: linear-gradient(135deg, var(--green), var(--green-v))
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all .6s cubic-bezier(.4, 0, .2, 1)
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0)
}

.footer {
    text-align: center;
    padding: 48px 24px;
    font-size: 13px;
    color: var(--mid);
    background: var(--white);
    border-top: 1px solid rgba(0, 0, 0, .04)
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0
}

.skip-link {
    position: fixed;
    top: -100%;
    left: 16px;
    z-index: 300;
    padding: 12px 24px;
    background: var(--dark);
    color: var(--white);
    border-radius: 0 0 8px 8px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: top .2s
}

.skip-link:focus {
    top: 0
}

:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 2px
}

@media(prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important
    }

    .fade-up,
    .body-text p,
    .pull-quote {
        opacity: 1 !important;
        transform: none !important
    }
}

@media(max-width:700px) {
    .hero-slide {
        padding: 48px 20px 60px
    }

    .topic-cards {
        grid-template-columns: 1fr;
        max-width: 400px
    }

    .hero-slide h1 {
        font-size: 26px
    }

    .keywords {
        grid-template-columns: 1fr
    }

    .body-text {
        padding: 28px 22px
    }

    .section-pad {
        padding: 60px 16px 80px
    }

    .section-header h2 {
        font-size: 22px
    }

    .slide-nav {
        right: 12px
    }

    .video-wrapper {
        margin: 8px 16px 16px
    }

    .pdf-preview {
        padding: 8px 16px 16px
    }

    .pdf-preview iframe {
        height: 400px
    }

    .pull-quote {
        padding: 24px 28px;
        font-size: 17px
    }
}