.intro-page { --intro-ink:#102b3d; --intro-accent:#087c80; --intro-accent-dark:#075f63; --intro-mint:#dff2ef; --intro-paper:#f5f7f6; --intro-line:#cad6d9; background:var(--theme-page); font-size:18px; }
.intro-container { width:min(1240px,calc(100% - 64px)); margin:0 auto; }
#about,#service { scroll-margin-top:120px; }

/* Hero */
.intro-hero { position:relative; min-height:760px; display:flex; align-items:center; overflow:hidden; padding:205px 0 95px; background:linear-gradient(90deg,rgba(5,18,37,.9),rgba(6,27,51,.68) 48%,rgba(9,31,52,.12) 80%),url('../img/intro-city-hero.png') center/cover no-repeat; }
.intro-hero::after { content:'DAEJEON'; position:absolute; right:-35px; bottom:-36px; color:rgba(255,255,255,.07); font-size:clamp(8rem,19vw,20rem); font-weight:950; line-height:.8; letter-spacing:-.09em; }
.intro-hero-content { position:relative; z-index:2; }
.intro-eyebrow { margin:0 0 14px; color:#8fe7df; font-size:.78rem; font-weight:900; letter-spacing:.15em; }
.intro-hero h1 { max-width:850px; color:#fff; font-size:clamp(3rem,4.3vw,4.5rem); line-height:1.06; letter-spacing:-.075em; }
.intro-hero h1 span { color:#8fe7df; }
.intro-hero-content>p:not(.intro-eyebrow) { margin-top:30px; color:rgba(255,255,255,.84); font-size:1.18rem; line-height:1.8; }

/* Shared typography */
.intro-kicker,.intro-title-row span,.intro-centered-heading>span,.intro-operation header>span,.experience-copy>span { display:block; margin-bottom:18px; color:var(--intro-accent-dark); font-size:.84rem; font-weight:850; letter-spacing:.15em; }
.intro-title-row h2,.intro-centered-heading h2,.intro-operation h2,.experience-copy h2,.intro-audience h2 { color:var(--intro-ink); font-size:clamp(2.65rem,4.2vw,4rem); line-height:1.16; letter-spacing:-.06em; }
.intro-centered-heading { margin-bottom:48px; text-align:center; }
.intro-centered-heading>p { margin-top:20px; color:#5b6d77; font-size:1.14rem; line-height:1.75; }

/* 01 Intro */
.intro-about { padding:140px 0; background:#fff; }
.intro-about-grid { display:grid; grid-template-columns:150px minmax(0,1fr) 280px; gap:clamp(40px,6vw,88px); align-items:start; }
.intro-section-label { padding-top:8px; border-top:2px solid var(--intro-ink); }
.intro-section-label span { display:block; color:var(--intro-accent); font-size:2.6rem; font-weight:300; line-height:1; }
.intro-section-label p { margin-top:14px; color:#73818a; font-size:.7rem; font-weight:850; letter-spacing:.15em; }
.intro-about-copy h2 { color:var(--intro-ink); font-size:clamp(3.2rem,4.5vw,4.2rem); line-height:1.12; letter-spacing:-.07em; }
.intro-about-copy>p:not(.intro-kicker) { max-width:760px; margin-top:38px; color:#50646f; font-size:1.2rem; line-height:1.95; word-break:keep-all; }
.intro-inline-link { display:inline-flex; align-items:center; gap:14px; margin-top:38px; padding-bottom:7px; color:var(--intro-ink); border-bottom:1px solid var(--intro-ink); font-weight:850; }
.intro-inline-link:hover { color:var(--intro-accent); border-color:var(--intro-accent); }
.intro-about-note { min-height:340px; display:flex; flex-direction:column; justify-content:space-between; padding:38px 34px; color:#fff; border-left:7px solid #8fd6d2; background:var(--intro-ink); }
.intro-about-note strong { font-size:1.65rem; line-height:1.22; letter-spacing:-.04em; }
.intro-about-note p { color:rgba(255,255,255,.76); font-size:1rem; line-height:1.75; }

/* 02 Benefits */
.intro-benefits { padding:140px 0 150px; background:var(--intro-paper); }
.intro-title-row { display:flex; justify-content:space-between; align-items:end; gap:40px; margin-bottom:62px; }
.intro-title-row>p { color:#5e717b; font-size:1.08rem; line-height:1.8; text-align:right; }
.benefit-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:0; border-top:2px solid var(--intro-ink); }
.benefit-grid article { position:relative; min-height:350px; padding:42px 34px 34px; overflow:hidden; border-right:1px solid var(--intro-line); background:transparent; }
.benefit-grid article:last-child { border-right:0; }
.benefit-grid article:nth-child(even) { margin-top:0; }
.benefit-grid article:hover { background:rgba(255,255,255,.55); }
.benefit-number { position:absolute; top:24px; right:26px; color:#a9b8bd; font-size:.72rem; font-weight:800; }
.benefit-grid article>i { display:block; margin:52px 0 62px; color:var(--intro-accent); font-size:2.25rem; }
.benefit-grid h3 { color:var(--intro-ink); font-size:1.55rem; letter-spacing:-.035em; }
.benefit-grid p { margin-top:18px; color:#5b6e78; font-size:1.05rem; line-height:1.8; word-break:keep-all; }

/* 03 Audience */
.intro-audience { padding:150px 0; background:#fff; }
.intro-audience-grid { display:grid; grid-template-columns:minmax(380px,.88fr) 1.12fr; gap:clamp(58px,8vw,120px); align-items:center; }
.audience-visual { min-height:620px; display:flex; flex-direction:column; justify-content:space-between; padding:54px; color:#fff; background:linear-gradient(180deg,rgba(18,43,62,.04),rgba(18,43,62,.86)),url('../img/intro-tour-experience.png') center/cover no-repeat; }
.audience-visual span { font-size:.76rem; font-weight:900; letter-spacing:.16em; }
.audience-visual strong { font-size:clamp(2.3rem,4vw,3.5rem); line-height:1.16; letter-spacing:-.06em; }
.audience-copy>ul { display:grid; grid-template-columns:1fr 1fr; gap:12px 26px; margin-top:42px; padding:0; list-style:none; }
.audience-copy li { position:relative; padding:20px 12px 20px 35px; color:#4b606b; border-bottom:1px solid var(--intro-line); font-size:1.08rem; }
.audience-copy li::before { content:'✓'; position:absolute; left:6px; color:var(--intro-accent); font-weight:900; }

/* 04 Vehicle */
.intro-vehicle { padding:140px 0 150px; background:#edf3f2; }
.vehicle-photo { position:relative; margin:0; }
.vehicle-photo img { width:100%; height:620px; display:block; object-fit:cover; }
.vehicle-photo figcaption { position:absolute; right:22px; bottom:18px; padding:7px 11px; color:rgba(255,255,255,.82); border-radius:20px; background:rgba(8,25,36,.58); font-size:.68rem; backdrop-filter:blur(8px); }
.vehicle-features { width:100%; display:grid; grid-template-columns:repeat(4,1fr); margin:0; padding:0; position:relative; z-index:2; border-bottom:1px solid var(--intro-line); background:#fff; list-style:none; }
.vehicle-features li { min-height:170px; display:grid; grid-template-columns:46px 1fr; align-content:center; column-gap:18px; padding:32px; border-right:1px solid var(--intro-line); }
.vehicle-features li:last-child { border-right:0; }
.vehicle-features i { grid-row:1/3; color:var(--intro-accent); font-size:1.65rem; }
.vehicle-features strong { align-self:end; color:var(--intro-ink); font-size:1.16rem; }
.vehicle-features span { align-self:start; margin-top:8px; color:#6b7b84; font-size:.9rem; line-height:1.5; }

/* 05 Operation */
.intro-operation { padding:150px 0; background:#fff; }
.operation-grid { display:grid; grid-template-columns:360px 1fr; gap:clamp(60px,9vw,140px); }
.intro-operation header { position:sticky; top:140px; align-self:start; }
.intro-operation header>p { margin-top:28px; color:#596d78; font-size:1.08rem; line-height:1.85; }
.operation-list { margin:0; border-top:2px solid var(--intro-ink); }
.operation-list>div { display:grid; grid-template-columns:150px 1fr; gap:30px; padding:29px 10px; border-bottom:1px solid var(--intro-line); }
.operation-list dt { color:#667780; font-size:.96rem; font-weight:800; }
.operation-list dd { color:var(--intro-ink); font-size:1.2rem; font-weight:750; }
.operation-list dd a { color:var(--intro-accent-dark); }
.operation-list small { display:block; margin-top:8px; color:#77868e; font-size:.88rem; font-weight:500; }

/* 06 Experience */
.intro-experience { position:relative; height:760px; display:flex; align-items:flex-end; overflow:hidden; }
.experience-photo,.experience-photo::after { position:absolute; inset:0; }
.experience-photo img { width:100%; height:100%; object-fit:cover; }
.experience-photo::after { content:''; background:linear-gradient(90deg,rgba(7,24,36,.9),rgba(7,24,36,.36) 62%,rgba(7,24,36,.05)); }
.experience-copy { position:relative; z-index:2; padding-bottom:96px; color:#fff; }
.experience-copy>span { color:#8fe7df; }
.experience-copy h2 { max-width:760px; color:#fff; font-size:clamp(3rem,5.6vw,5.5rem); }
.experience-copy>p { max-width:720px; margin-top:30px; color:rgba(255,255,255,.82); font-size:1.16rem; line-height:1.9; word-break:keep-all; }

/* 07 Reviews */
.intro-reviews { padding:140px 0 150px; background:var(--intro-paper); }
.review-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:0; border-top:2px solid var(--intro-ink); }
.review-grid blockquote { margin:0; padding:44px 38px 34px; border-right:1px solid var(--intro-line); background:transparent; }
.review-grid blockquote:last-child { border-right:0; }
.review-stars { color:#e3a33e; font-size:.78rem; letter-spacing:.12em; }
.review-grid blockquote>p { min-height:160px; margin-top:28px; color:#344f5e; font-size:1.16rem; line-height:1.9; word-break:keep-all; }
.review-grid footer { display:flex; align-items:center; gap:10px; padding-top:22px; border-top:1px solid var(--intro-line); }
.review-grid footer strong { color:var(--intro-ink); font-size:.9rem; }
.review-grid footer span { color:#8a969d; font-size:.76rem; }
.review-note { margin-top:18px; color:#8a959c; text-align:right; font-size:.72rem; }

/* 08 CTA */
.intro-booking-cta { padding:120px 0; text-align:center; background:var(--intro-ink); }
.intro-booking-cta p { color:#8fe7df; font-size:.76rem; font-weight:900; letter-spacing:.18em; }
.intro-booking-cta h2 { margin-top:18px; color:#fff; font-size:clamp(2.4rem,4.8vw,4.5rem); line-height:1.2; letter-spacing:-.06em; }
.intro-booking-cta span { display:block; margin-top:18px; color:rgba(255,255,255,.66); font-size:1rem; }
.intro-booking-cta a { min-width:250px; min-height:64px; display:inline-flex; align-items:center; justify-content:center; gap:12px; margin-top:42px; color:var(--intro-ink); background:#8fe7df; font-size:1.06rem; font-weight:900; }
.intro-booking-cta a:hover { color:#fff; background:var(--intro-accent); }

/* Dark mode */
html[data-theme='dark'] .intro-about,html[data-theme='dark'] .intro-audience,html[data-theme='dark'] .intro-operation { background:#151a23; }
html[data-theme='dark'] .intro-benefits,html[data-theme='dark'] .intro-reviews { background:#11161e; }
html[data-theme='dark'] .intro-vehicle { background:#172324; }
html[data-theme='dark'] :is(.intro-about-copy h2,.intro-title-row h2,.intro-centered-heading h2,.intro-audience h2,.intro-operation h2,.benefit-grid h3,.vehicle-features strong,.operation-list dd,.review-grid footer strong) { color:#eef5f6; }
html[data-theme='dark'] :is(.intro-about-copy>p:not(.intro-kicker),.intro-title-row>p,.intro-centered-heading>p,.benefit-grid p,.audience-copy li,.intro-operation header>p,.review-grid blockquote>p) { color:#aab7bd; }
html[data-theme='dark'] :is(.benefit-grid article,.review-grid blockquote) { border-color:#354048; background:transparent; }
html[data-theme='dark'] .vehicle-features { border-color:#354048; background:#1c242e; }
html[data-theme='dark'] :is(.audience-copy li,.operation-list>div,.review-grid footer) { border-color:#354048; }

@media (max-width:1020px) {
    .intro-about-grid { grid-template-columns:110px 1fr; }
    .intro-about-note { display:none; }
    .benefit-grid { grid-template-columns:1fr 1fr; }
    .benefit-grid article:nth-child(even) { margin-top:0; }
    .intro-audience-grid { grid-template-columns:1fr 1fr; gap:50px; }
    .audience-copy>ul { grid-template-columns:1fr; }
    .vehicle-features { width:100%; grid-template-columns:1fr 1fr; }
    .vehicle-features li:nth-child(2) { border-right:0; }
    .vehicle-features li:nth-child(-n+2) { border-bottom:1px solid var(--intro-line); }
    .operation-grid { grid-template-columns:280px 1fr; gap:60px; }
}

@media (max-width:760px) {
    .intro-container { width:calc(100% - 32px); }
    .intro-hero { min-height:680px; padding:150px 0 75px; background:linear-gradient(90deg,rgba(5,18,37,.9),rgba(6,27,51,.72) 68%,rgba(9,27,43,.3)),url('../img/intro-city-hero.png') 62% center/cover no-repeat; }
    .intro-hero h1 { font-size:clamp(2.5rem,12vw,3.5rem); }
    .intro-hero-content>p:not(.intro-eyebrow) { font-size:.98rem; }
    .intro-hero-content>p:not(.intro-eyebrow) br { display:none; }
    .intro-page { font-size:16px; }
    .intro-about,.intro-benefits,.intro-audience,.intro-vehicle,.intro-operation,.intro-reviews { padding:88px 0; }
    .intro-about-grid { display:block; }
    .intro-section-label { width:74px; margin-bottom:34px; }
    .intro-section-label span { font-size:2rem; }
    .intro-about-copy h2 { font-size:2.55rem; }
    .intro-about-copy>p:not(.intro-kicker) { margin-top:24px; font-size:.98rem; }
    .intro-title-row { display:block; margin-bottom:38px; }
    .intro-title-row>p { margin-top:20px; text-align:left; }
    .benefit-grid { grid-template-columns:1fr; }
    .benefit-grid article { min-height:0; padding:34px 10px 38px; border-right:0; border-bottom:1px solid var(--intro-line); }
    .benefit-grid article:last-child { border-bottom:0; }
    .benefit-grid article>i { margin-bottom:34px; }
    .intro-audience-grid { display:block; }
    .audience-visual { min-height:500px; padding:34px; }
    .audience-copy { margin-top:52px; }
    .audience-copy>ul { margin-top:30px; }
    .vehicle-photo img { height:400px; }
    .vehicle-photo figcaption { right:10px; bottom:10px; }
    .vehicle-features { width:100%; grid-template-columns:1fr; margin-top:0; }
    .vehicle-features li { min-height:112px; border-right:0; border-bottom:1px solid var(--intro-line); }
    .vehicle-features li:last-child { border-bottom:0; }
    .operation-grid { display:block; }
    .intro-operation header { position:static; margin-bottom:42px; }
    .operation-list>div { grid-template-columns:100px 1fr; gap:18px; padding:24px 4px; }
    .intro-experience { height:660px; }
    .experience-copy { padding-bottom:60px; }
    .experience-copy h2 { font-size:3rem; }
    .experience-photo img { object-position:64% center; }
    .review-grid { grid-template-columns:1fr; }
    .review-grid blockquote { padding:36px 8px; border-right:0; border-bottom:1px solid var(--intro-line); }
    .review-grid blockquote:last-child { border-bottom:0; }
    .review-grid blockquote>p { min-height:0; font-size:1.06rem; }
    .review-note { text-align:left; line-height:1.5; }
    .intro-booking-cta { padding:90px 0; }
}