/* ════════════════════════════════════════════════════════════════
   SKMVP Landing 共用樣式  static/css/skmvp-landing.css
   來源:landing.html / landing_agent.html 原本各自完全相同的
   inline <style>(逐字搬移,視覺不變)。
   注意:landing 為獨立頁(不 extends base.html),token 與前台不同,
   勿與 skmvp.css 同頁載入。
   ════════════════════════════════════════════════════════════════ */

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

:root {
  --bg:       #070707;
  --bg2:      #0b0b0f;
  --card:     #111116;
  --card2:    #16161d;
  --border:   rgba(214,168,79,.18);
  --gold:     #d6a84f;
  --gold-lt:  #f2c76e;
  --text:     #f5f5f5;
  --text2:    #b8b8b8;
  --green:    #06C755;
  --radius:   20px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC",
               "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  font-variant-numeric: tabular-nums;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout helpers ── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}
section { padding: 72px 0; }
section:nth-child(even) { background: var(--bg2); }

/* ── Typography ── */
.section-label {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 900;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--gold-lt) 0%, var(--gold) 60%, #b8832e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 18px;
}
h2 {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--gold-lt);
  margin-bottom: 16px;
}
h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 8px;
}
p { color: var(--text2); font-size: .97rem; }
.lead {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text2);
  margin-bottom: 10px;
}
.sub-tags {
  font-size: .82rem;
  color: var(--gold);
  opacity: .75;
  margin-bottom: 28px;
  letter-spacing: .04em;
}

/* ── CTA Button ── */
.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 15px 32px;
  transition: filter .2s, transform .15s;
  box-shadow: 0 4px 24px rgba(6,199,85,.3);
  max-width: 360px;
  width: 100%;
}
.btn-line:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-line svg { flex-shrink: 0; }
.cta-wrap { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.cta-note {
  font-size: .78rem;
  color: var(--text2);
  text-align: center;
}

/* ── Hero ── */
#hero {
  padding: 80px 0 72px;
  background: radial-gradient(ellipse 80% 60% at 50% -10%,
              rgba(214,168,79,.10) 0%, transparent 70%), var(--bg);
}
.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
}
.hero-img-wrap {
  width: 100%;
  max-width: 520px;
  margin: 36px auto 0;
}
.hero-img-wrap img,
.hero-img-wrap .ph {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 8px 48px rgba(0,0,0,.6), 0 0 0 1px rgba(214,168,79,.10);
  display: block;
}
.ph {
  background: var(--card2);
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .06em;
}

/* ── Feature cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.landing-feature-showcase {
  width: 100%;
  margin-top: 28px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.landing-feature-image {
  width: min(100%, 980px);
  height: auto;
  display: block;
  border-radius: 24px;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}
@media (max-width: 768px) {
  .landing-feature-showcase {
    margin-top: 20px;
  }
  .landing-feature-image {
    width: 100%;
    border-radius: 16px;
  }
}

/* ── Screenshot pair ── */
.screenshot-pair {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}
.screenshot-pair .arrow-label {
  text-align: center;
  color: var(--gold);
  font-size: .85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.screenshot-pair .arrow-label::before,
.screenshot-pair .arrow-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(214,168,79,.3), transparent);
}
.ss-img img, .ss-img .ph {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 6px 32px rgba(0,0,0,.55);
  display: block;
}
.ss-img .ph { height: 180px; }

/* ── Tier list ── */
.tier-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0 28px;
}
.tier-item {
  background: var(--card2);
  border-radius: 12px;
  border-left: 4px solid var(--gold);
  padding: 14px 18px;
}
.tier-item.t2 { border-color: #60a5fa; }
.tier-item.t3 { border-color: #fbbf24; }
.tier-item.t4 { border-color: #f87171; }
.tier-item strong { color: var(--text); font-size: .95rem; }
.tier-item span   { color: var(--text2); font-size: .87rem; margin-left: 6px; }

/* ── Single image block ── */
.single-img {
  margin-top: 28px;
}
.single-img img, .single-img .ph {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 6px 32px rgba(0,0,0,.55);
  display: block;
  object-fit: contain;
}
.single-img .ph { height: 200px; }

/* ── Quote block ── */
.quote-block {
  background: var(--card2);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 28px 24px;
  margin-top: 24px;
  text-align: center;
}
.quote-block .q-main {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 10px;
}
.quote-block .q-sub {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--gold-lt);
}

/* ── Disclaimer ── */
.disclaimer {
  background: rgba(214,168,79,.05);
  border: 1px solid rgba(214,168,79,.12);
  border-radius: 12px;
  padding: 18px 20px;
  margin-top: 24px;
  font-size: .8rem;
  color: var(--text2);
  line-height: 1.7;
  text-align: center;
}

/* ── Footer ── */
footer {
  background: #040406;
  padding: 28px 20px;
  text-align: center;
  font-size: .75rem;
  color: #555;
  border-top: 1px solid rgba(255,255,255,.05);
}
footer a { color: var(--gold); text-decoration: none; }

/* ── Responsive ── */
@media (min-width: 640px) {
  .screenshot-pair {
    flex-direction: row;
    align-items: flex-start;
  }
  .screenshot-pair .ss-img { flex: 1; }
  .screenshot-pair .arrow-label {
    flex-direction: column;
    align-self: center;
    font-size: .8rem;
    gap: 6px;
    white-space: nowrap;
    max-width: 80px;
  }
  .screenshot-pair .arrow-label::before,
  .screenshot-pair .arrow-label::after {
    width: 1px;
    height: 40px;
    flex: none;
    background: linear-gradient(180deg, transparent, rgba(214,168,79,.3), transparent);
  }
}
@media (max-width: 500px) {
  .card-grid { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
}
/* ── end of skmvp-landing.css ── */