/* Views/Home/Promotion.cshtml — page layout and domain-specific states. */
:root {
    --ink: var(--tt-text);
    --muted: var(--tt-muted);
    --line: var(--tt-border);
    --surface: var(--tt-surface-soft);
    --brand: var(--tt-brand);
    --brand-dark: var(--tt-brand-hover);
    --accent: var(--tt-accent);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
    margin: 0;
    padding: 0 !important;
    color: var(--ink);
    background: var(--tt-background);
    font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    letter-spacing: -.025em;
    word-break: keep-all;
    overflow-wrap: break-word;
    line-height: 1.6;
}
a { color: inherit; }
a:hover { color: var(--brand-dark); }
a:focus-visible, button:focus-visible {
    outline: 3px solid #43836e;
    outline-offset: 5px;
}
.nav-inner, .section-inner, .hero-inner {
    width: min(1180px, calc(100% - 64px));
    margin: 0 auto;
}
.site-nav { position: relative; z-index: 10; height: 88px; border-bottom: 1px solid var(--line); }
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 800; letter-spacing: -.05em; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: var(--tt-surface); background: var(--brand-dark); font-size: 19px; }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 13px; font-weight: 700; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { text-decoration: underline; text-underline-offset: 5px; }
.nav-cta { padding: 10px 17px; border: 1px solid var(--line); border-radius: 100px; }
.nav-create { color: var(--tt-surface); background: var(--brand-dark); border-color: var(--brand-dark); }
.nav-links .nav-create:hover { color: var(--tt-surface); background: var(--brand); text-decoration: none; }

.hero { padding: 76px 0 64px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero-content, .hero-visual { min-width: 0; }
.eyebrow, .section-kicker { color: var(--brand); font-size: 11px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 25px; }
.eyebrow:before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); }
.hero h1 { margin: 0; font-size: clamp(36px, 4.5vw, 60px); line-height: 1.22; font-weight: 800; letter-spacing: -.055em; text-wrap: balance; }
.hero-copy { max-width: 480px; margin: 24px 0 30px; color: var(--muted); font-size: 17px; line-height: 1.85; white-space: pre-line; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; }
.action-button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 18px; padding: 12px 22px; border: 1px solid transparent; border-radius: 100px; font-size: 14px; font-weight: 700; text-decoration: none; transition: background .2s, transform .2s; }
.action-button:hover { transform: translateY(-2px); text-decoration: none; }
.button-primary { color: var(--tt-surface); background: var(--brand-dark); }
.button-primary:hover { color: var(--tt-surface); background: var(--brand); }
.button-secondary { color: var(--ink); border-color: #cbd6cf; background: transparent; }
.button-secondary:hover { background: #edf2e9; }
.hero-note { display: flex; align-items: center; gap: 8px; margin: 20px 0 0; color: var(--muted); font-size: 12px; }
.hero-note span { color: var(--brand); }
.hero-visual { margin: 0; padding: 16px; background: #e8eee5; border: 1px solid #dce5d6; border-radius: 28px; }
.visual-topline { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 3px 5px 16px; color: var(--brand-dark); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.visual-topline span:last-child { letter-spacing: 0; font-size: 11px; }
.hero-media { display: block; width: 100%; aspect-ratio: 1.5; object-fit: cover; object-position: center; border-radius: 16px; }
.hero-caption { padding: 22px 10px 8px; }
.hero-caption strong { display: block; margin-bottom: 16px; font-size: 20px; font-weight: 800; letter-spacing: -.04em; }
.hero-flow { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #496357; font-size: 12px; }
.hero-flow b { color: #60826d; font-size: 15px; font-weight: 400; }

.intro { padding: 50px 0 78px; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; padding-top: 44px; border-top: 1px solid var(--line); }
.section-kicker { margin: 0 0 16px; }
.section-title { margin: 0; font-size: clamp(28px, 3.1vw, 42px); line-height: 1.35; font-weight: 800; letter-spacing: -.045em; text-wrap: balance; }
.intro .section-title { font-size: clamp(26px, 2.7vw, 34px); }
.intro-copy { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.95; white-space: pre-line; }
.features, .plans, .stories, .faq { padding: 88px 0; }
.features { background: var(--surface); }
.section-heading { max-width: 680px; margin-bottom: 36px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-item { padding: 28px; border: 1px solid #e0e7df; border-radius: 18px; background: var(--tt-surface); }
.feature-heading { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; }
.feature-icon { display: grid; flex: 0 0 44px; place-items: center; width: 44px; height: 44px; border-radius: 13px; color: var(--brand); background: #edf4e7; font-size: 18px; }
.feature-item h3 { margin: 0; font-size: 19px; font-weight: 800; letter-spacing: -.035em; }
.feature-item p { margin: 12px 0 0; color: var(--muted); font-size: 14px; line-height: 1.85; white-space: pre-line; }

.plans { background: var(--tt-background); }
.plan-table { margin-top: 38px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.plan-row { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; min-width: 0; padding: 26px 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--tt-surface); }
.plan-name { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; font-size: 16px; font-weight: 800; }
.plan-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; font-size: 16px; background: #eff3ec; color: var(--brand); }
.plan-icon.silver { color: #536979; background: #edf1f4; }
.plan-icon.gold { color: #8b6d27; background: #f8f2df; }
.plan-icon.diamond { color: #446c85; background: #edf4f8; }
.plan-limit { color: var(--brand-dark); font-size: 20px; font-weight: 800; letter-spacing: -.04em; }
.plan-detail { color: var(--muted); font-size: 13px; line-height: 1.85; }
.plan-row.venue { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr 2fr; align-items: center; gap: 24px; background: #eaf1e3; border-color: #d8e4ce; }
.plan-row.venue .plan-name { flex-direction: row; align-items: center; }
.plan-icon.venue { color: var(--tt-surface); background: var(--brand); }

.stories { color: var(--tt-surface); background: var(--tt-header); }
.stories .section-kicker { color: var(--accent); }
.story-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 40px; }
.story { display: flex; flex-direction: column; padding: 30px; border: 1px solid #49645a; border-radius: 18px; background: #23453d; }
.story strong { display: block; margin-bottom: 18px; color: #f1f5eb; font-size: 20px; line-height: 1.6; letter-spacing: -.035em; }
.story blockquote { margin: 0 0 26px; padding: 0; border: 0; color: #ccdad2; font-size: 14px; line-height: 1.9; }
.story-person { margin-top: auto; padding-top: 18px; border-top: 1px solid #49645a; color: #c4dba9; font-size: 12px; font-weight: 700; }

.faq { background: var(--tt-background); }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; border: 0; background: none; color: var(--ink); text-align: left; font-family: inherit; font-size: 15px; font-weight: 700; line-height: 1.65; }
.faq-question:hover { color: var(--brand); }
.faq-plus { display: grid; place-items: center; flex: 0 0 28px; width: 28px; height: 28px; border-radius: 50%; color: var(--brand); background: #edf2e8; font-size: 21px; font-weight: 400; transition: transform .2s; }
.faq-answer { display: none; padding: 0 40px 24px 0; color: var(--muted); font-size: 14px; line-height: 1.9; white-space: pre-line; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-plus { transform: rotate(45deg); }

.closing { padding: 0 0 64px; background: var(--tt-background); }
.closing-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; padding: 54px; border-radius: 24px; background: var(--accent); }
.closing h2 { max-width: 700px; margin: 0 0 14px; font-size: clamp(28px, 3.2vw, 42px); line-height: 1.35; font-weight: 800; letter-spacing: -.045em; }
.closing p { margin: 0; color: #415a36; font-size: 15px; line-height: 1.8; white-space: pre-line; }
.closing .action-button { flex: none; color: var(--tt-surface); background: var(--brand-dark); }
.closing .action-button:hover { background: var(--brand); }
.site-footer { padding: 30px 0; border-top: 1px solid var(--line); color: var(--muted); background: var(--tt-background); font-size: 12px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.footer-brand { color: var(--ink); font-size: 16px; font-weight: 800; }

@media (max-width: 1000px) {
    .nav-links { gap: 16px; }
    .hero-inner { gap: 32px; }
    .hero h1 { font-size: 44px; }
    .hero-copy { font-size: 16px; }
    .intro-grid, .faq-layout { gap: 40px; }
    .plan-table { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 800px) {
    .nav-inner, .section-inner, .hero-inner { width: calc(100% - 40px); }
    .site-nav { height: 74px; }
    .nav-links a:not(.nav-create) { display: none; }
    .hero { padding: 48px 0; }
    .hero-inner { grid-template-columns: 1fr; gap: 36px; }
    .hero h1 { max-width: 600px; font-size: clamp(36px, 7vw, 52px); }
    .hero-copy { max-width: 580px; }
    .hero-media { aspect-ratio: 2; }
    .hero-visual { border-radius: 22px; }
    .intro { padding: 10px 0 56px; }
    .intro-grid, .faq-layout { grid-template-columns: 1fr; gap: 24px; }
    .features, .plans, .stories, .faq { padding: 60px 0; }
    .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .feature-item { padding: 24px; }
    .story-grid { grid-template-columns: 1fr; }
    .plan-row.venue { grid-template-columns: 1fr 1fr; }
    .plan-row.venue .plan-detail { grid-column: 1 / -1; }
    .closing-inner { align-items: flex-start; flex-direction: column; padding: 36px; gap: 24px; }
    .footer-inner { align-items: flex-start; flex-direction: column; gap: 10px; }
}
@media (max-width: 480px) {
    .brand { font-size: 22px; }
    .nav-cta { padding: 9px 14px; font-size: 12px; }
    .eyebrow { font-size: 10px; letter-spacing: .1em; }
    .hero h1 { font-size: 36px; }
    .hero-copy { font-size: 15px; }
    .action-button { padding: 12px 18px; font-size: 13px; gap: 12px; }
    .hero-visual { padding: 12px; }
    .hero-caption { padding: 18px 4px 8px; }
    .hero-caption strong { font-size: 18px; }
    .hero-flow { font-size: 11px; }
    .feature-grid, .plan-table { grid-template-columns: 1fr; }
    .feature-heading { flex-direction: row; align-items: center; gap: 14px; }
    .plan-row { gap: 14px; padding: 24px; }
    .plan-name { flex-direction: row; align-items: center; gap: 12px; }
    .plan-row.venue { grid-template-columns: 1fr; gap: 14px; }
    .story { padding: 24px; }
    .closing-inner { padding: 28px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .action-button, .faq-plus { transition: none; }
    .action-button:hover { transform: none; }
}