/* ===== Variables ===== */
:root {
  --bg-dark: #080b18;
  --bg-section: #0c1020;
  --bg-card: rgba(255, 255, 255, 0.04);
  --text-primary: #f0f2f5;
  --text-secondary: #9b9ea2;
  --gold: #ffb800;
  --orange: #f37021;
  --cyan: #38bdf8;
  --green: #4ade80;
  --purple: #a78bfa;
  --yellow: #facc15;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --nav-height: 64px;
  --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold); }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(8, 11, 24, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--gold);
  white-space: nowrap;
}
.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}
.nav-deck {
  color: var(--gold) !important;
  border: 1px solid rgba(255, 184, 0, 0.3);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) 24px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: blur(1px) brightness(0.55);
  transform: scale(1.05);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8, 11, 24, 0.92) 0%, rgba(8, 11, 24, 0.78) 50%, rgba(8, 11, 24, 0.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  animation: fadeUp 1s ease;
}
.hero-tag {
  color: var(--gold);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 8px;
}
.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
}
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.metric { text-align: left; }
.metric-value {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  line-height: 1.2;
}
.metric-value.gold { color: var(--gold); }
.metric-value.cyan { color: var(--cyan); }
.metric-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}
.hero-badge {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid rgba(255, 184, 0, 0.4);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.hero-contact {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  animation: bounce 2s infinite;
  z-index: 1;
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
  position: relative;
}
.section-dark {
  background: var(--bg-section);
}
.section-header {
  margin-bottom: 56px;
  max-width: 720px;
}
.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--orange);
  margin-bottom: 12px;
}
.section-tag.gold { color: var(--gold); }
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ===== Cards ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.3s, border-color 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}
.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.card-orange h3 { color: var(--orange); }
.card-cyan h3 { color: var(--cyan); }
.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== Highlights ===== */
.highlights-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}
.highlight-item {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}
.highlight-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--bg-dark);
}
.highlight-num.yellow { background: var(--yellow); }
.highlight-num.green { background: var(--green); }
.highlight-num.blue { background: var(--cyan); }
.highlight-num.purple { background: var(--purple); }
.highlight-item h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.highlight-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.highlights-visual img {
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.judgment-box {
  padding: 28px 32px;
  border: 1px solid rgba(255, 184, 0, 0.35);
  border-radius: var(--radius);
  background: rgba(255, 184, 0, 0.04);
}
.judgment-label {
  display: block;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 8px;
}
.judgment-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== KPI ===== */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.kpi {
  text-align: center;
  padding: 28px 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.kpi-value {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 8px;
}
.kpi-value.cyan { color: var(--cyan); }
.kpi-value.orange { color: var(--orange); }
.kpi-value.green { color: var(--green); }
.kpi-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.data-visual img {
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  margin-bottom: 24px;
}
.data-note {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-style: italic;
}

/* ===== Team ===== */
.producer-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 56px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid rgba(243, 112, 33, 0.3);
  border-radius: var(--radius);
}
.producer-name {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--orange);
  margin-bottom: 4px;
}
.producer-role {
  color: var(--text-secondary);
  font-size: 1rem;
}
.producer-bio p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.team-card {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.3s;
}
.team-card:hover { transform: translateY(-4px); }
.team-gold { border-color: rgba(255, 184, 0, 0.3); }
.team-gold h4 { color: var(--gold); }
.team-cyan { border-color: rgba(56, 189, 248, 0.3); }
.team-cyan h4 { color: var(--cyan); }
.team-blue { border-color: rgba(96, 165, 250, 0.3); }
.team-blue h4 { color: #60a5fa; }
.team-card h4 {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
}
.team-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.team-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.team-card li {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.team-card li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ===== Product / Experience Visuals ===== */
.product-visual img,
.experience-visual img {
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.experience-formula {
  text-align: center;
  margin-top: 40px;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.02em;
}

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.gallery-grid img {
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ===== Future ===== */
.section-future {
  text-align: center;
  padding: 120px 0;
}
.future-icon { margin-bottom: 24px; }
.future-title {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 40px;
}
.future-tags {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.future-tags span {
  font-size: 1.1rem;
  font-weight: 500;
}
.tag-orange { color: var(--orange); }
.tag-green { color: var(--green); }
.tag-purple { color: var(--purple); }
.tag-blue { color: var(--cyan); }

/* ===== Deck Viewer ===== */
.section-deck { background: var(--bg-section); }
.deck-viewer { max-width: 960px; margin: 0 auto; }
.deck-main {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.deck-slide-wrap {
  flex: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
  background: #000;
}
.deck-slide {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}
.deck-nav {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.deck-nav:hover {
  background: rgba(255, 184, 0, 0.15);
  border-color: var(--gold);
  color: var(--gold);
}
.deck-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.deck-counter {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.deck-thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 100%;
  overflow-x: auto;
  padding: 8px 0;
}
.deck-thumb {
  width: 64px;
  height: 36px;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.5;
  transition: all 0.2s;
  flex-shrink: 0;
}
.deck-thumb.active,
.deck-thumb:hover {
  opacity: 1;
  border-color: var(--gold);
}
.deck-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Contact ===== */
.section-contact {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 100px 0;
  overflow: hidden;
}
.contact-bg {
  position: absolute;
  inset: 0;
}
.contact-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.contact-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8, 11, 24, 0.95) 0%, rgba(8, 11, 24, 0.7) 100%);
}
.contact-content {
  position: relative;
  z-index: 1;
}
.contact-content h2 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 32px;
}
.contact-info p {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--text-secondary);
}
.contact-info strong { color: var(--text-primary); }
.contact-footer {
  margin-top: 40px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== Footer ===== */
.footer {
  padding: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .highlights-layout { grid-template-columns: 1fr; }
  .highlights-visual { order: -1; }
  .team-grid { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(8, 11, 24, 0.97);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.3s;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-links a {
    display: block;
    padding: 12px 16px;
    width: 100%;
  }
  .hero-metrics { grid-template-columns: 1fr; gap: 16px; }
  .cards-grid { grid-template-columns: 1fr; }
  .producer-card { grid-template-columns: 1fr; gap: 16px; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .deck-nav { width: 36px; height: 36px; font-size: 1.2rem; }
  .section { padding: 64px 0; }
}

@media (max-width: 480px) {
  .kpi-row { grid-template-columns: 1fr; }
  .future-tags { gap: 16px; }
  .future-tags span { font-size: 0.95rem; }
}

/* ===== Landing Page ===== */
.landing-page {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}
.landing-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
}
.landing-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: blur(1px) brightness(0.5);
  transform: scale(1.05);
}
.landing-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(8, 11, 24, 0.94) 0%, rgba(8, 11, 24, 0.88) 42%, rgba(8, 11, 24, 0.72) 100%),
    radial-gradient(ellipse at 80% 50%, rgba(255, 184, 0, 0.06) 0%, transparent 55%);
}
.landing {
  position: relative;
  z-index: 1;
  height: 100vh;
  height: 100dvh;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(16px, 3vh, 32px) clamp(20px, 4vw, 40px);
  display: flex;
  align-items: center;
  box-sizing: border-box;
}
.landing-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  width: 100%;
}
.landing-left {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.8vh, 18px);
  animation: fadeUp 0.7s ease;
}
.landing-header {
  margin-bottom: 0;
}
.landing-tag {
  color: var(--gold);
  font-size: clamp(0.78rem, 1.2vw, 0.9rem);
  font-weight: 500;
  margin-bottom: 6px;
  letter-spacing: 0.06em;
}
.landing-title {
  font-size: clamp(1.75rem, 3.8vw, 2.75rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 4px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.4);
}
.landing-subtitle {
  color: var(--text-secondary);
  font-size: clamp(0.85rem, 1.4vw, 1.05rem);
}
.landing-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(8px, 1.5vw, 16px);
  padding: clamp(12px, 2vh, 18px) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.landing-metric-value {
  display: block;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 900;
  line-height: 1.1;
}
.landing-metric-label {
  display: block;
  font-size: clamp(0.65rem, 1vw, 0.75rem);
  color: var(--text-secondary);
  margin-top: 3px;
  line-height: 1.3;
}
.landing-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 6px 14px;
  border: 1px solid rgba(255, 184, 0, 0.35);
  border-radius: 20px;
  font-size: clamp(0.72rem, 1.1vw, 0.82rem);
  color: var(--text-secondary);
  background: rgba(255, 184, 0, 0.06);
}
.landing-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  margin: 0;
}
.landing-highlights li {
  position: relative;
  padding-left: 14px;
  font-size: clamp(0.72rem, 1.1vw, 0.82rem);
  color: rgba(240, 242, 245, 0.7);
  line-height: 1.45;
}
.landing-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}
.landing-footer {
  margin-top: auto;
  padding-top: 4px;
  font-size: clamp(0.72rem, 1vw, 0.82rem);
  color: var(--text-secondary);
}
.landing-right {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 2vh, 20px);
  animation: fadeUp 0.7s ease 0.12s both;
}
.portal-section-label {
  text-align: center;
  font-size: clamp(0.82rem, 1.2vw, 0.92rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.14em;
  margin: 0;
}
.portal-section-label::before,
.portal-section-label::after {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin: 0 12px;
  opacity: 0.5;
}
.portal-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 2vh, 18px);
}
.portal-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.5vh, 14px);
  padding: clamp(16px, 2.5vh, 22px) clamp(18px, 2.5vw, 24px);
  border-radius: 14px;
  color: var(--text-primary);
  cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  backdrop-filter: blur(10px);
}
.portal-plan {
  background: linear-gradient(135deg, rgba(24, 18, 6, 0.92) 0%, rgba(12, 14, 24, 0.95) 100%);
  border: 2px solid rgba(255, 184, 0, 0.5);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 184, 0, 0.1);
}
.portal-video {
  background: linear-gradient(135deg, rgba(6, 16, 28, 0.92) 0%, rgba(12, 14, 24, 0.95) 100%);
  border: 2px solid rgba(56, 189, 248, 0.5);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(56, 189, 248, 0.1);
}
.portal-card:hover {
  transform: translateY(-4px);
  color: var(--text-primary);
}
.portal-plan:hover {
  border-color: var(--gold);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 184, 0, 0.2);
}
.portal-video:hover {
  border-color: var(--cyan);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(56, 189, 248, 0.2);
}
.portal-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.portal-plan .portal-badge {
  background: rgba(255, 184, 0, 0.18);
  color: var(--gold);
  border: 1px solid rgba(255, 184, 0, 0.4);
}
.portal-video .portal-badge {
  background: rgba(56, 189, 248, 0.18);
  color: var(--cyan);
  border: 1px solid rgba(56, 189, 248, 0.4);
}
.portal-card-body {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-right: 72px;
}
.portal-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.portal-plan .portal-icon {
  background: rgba(255, 184, 0, 0.15);
  color: var(--gold);
  border: 1px solid rgba(255, 184, 0, 0.3);
}
.portal-video .portal-icon {
  background: rgba(56, 189, 248, 0.15);
  color: var(--cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.portal-text h2 {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 700;
  margin-bottom: 4px;
}
.portal-plan .portal-text h2 { color: var(--gold); }
.portal-video .portal-text h2 { color: var(--cyan); }
.portal-text p {
  font-size: clamp(0.72rem, 1.1vw, 0.82rem);
  color: rgba(240, 242, 245, 0.65);
  line-height: 1.4;
  margin: 0;
}
.portal-action {
  display: block;
  width: 100%;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: clamp(0.82rem, 1.2vw, 0.92rem);
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.03em;
  transition: background 0.2s;
}
.portal-plan .portal-action {
  background: rgba(255, 184, 0, 0.15);
  color: var(--gold);
  border: 1px solid rgba(255, 184, 0, 0.35);
}
.portal-video .portal-action {
  background: rgba(56, 189, 248, 0.15);
  color: var(--cyan);
  border: 1px solid rgba(56, 189, 248, 0.35);
}
.portal-plan:hover .portal-action {
  background: rgba(255, 184, 0, 0.28);
  border-color: var(--gold);
}
.portal-video:hover .portal-action {
  background: rgba(56, 189, 248, 0.28);
  border-color: var(--cyan);
}

/* ===== Video Page ===== */
.video-page { background: var(--bg-dark); }
.nav-simple .nav-inner { justify-content: space-between; }
.nav-link-secondary {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s;
}
.nav-link-secondary:hover {
  color: var(--gold);
  border-color: rgba(255, 184, 0, 0.4);
}
.video-main {
  padding: calc(var(--nav-height) + 40px) 0 60px;
}
.video-header {
  text-align: center;
  margin-bottom: 40px;
}
.video-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 12px 0;
}
.video-player-wrap {
  max-width: 900px;
  margin: 0 auto 16px;
}
.video-player {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
  background: #000;
  aspect-ratio: 16 / 9;
}
.video-fallback {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  color: var(--text-primary);
}
.video-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(8, 11, 24, 0.55);
  transition: background 0.3s;
}
.video-fallback:hover .video-play-overlay {
  background: rgba(8, 11, 24, 0.4);
}
.video-play-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.2);
  border: 2px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 16px;
  transition: transform 0.3s, background 0.3s;
}
.video-fallback:hover .video-play-circle {
  transform: scale(1.08);
  background: rgba(56, 189, 248, 0.35);
}
.video-play-overlay p {
  font-size: 1rem;
  font-weight: 500;
}
.video-hint {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}
.video-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto 40px;
}
.video-info-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.video-info-card h3 {
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 12px;
}
.video-info-card li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.video-info-card li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--cyan);
}
.video-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--gold);
  color: var(--bg-dark);
}
.btn-primary:hover {
  background: #ffc933;
  color: var(--bg-dark);
}
.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
}

@media (max-width: 900px) {
  .landing-page {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-y: auto;
  }
  .landing {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 24px 20px;
  }
  .landing-shell {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .landing-left {
    gap: 14px;
  }
}
@media (max-width: 768px) {
  .landing-metrics,
  .landing-highlights,
  .portal-grid {
    grid-template-columns: 1fr;
  }
  .portal-card { min-height: auto; }
  .video-info { grid-template-columns: 1fr; }
  .presentation-bar { padding: 0 12px; }
  .presentation-title { display: none; }
  .presentation-hint { font-size: 0.75rem; }
}

/* ===== Presentation (plan.html) ===== */
.presentation-page {
  height: 100vh;
  overflow: hidden;
  background: #000;
  display: flex;
  flex-direction: column;
}
.presentation-bar {
  flex-shrink: 0;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(8, 11, 24, 0.95);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
.presentation-back {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.presentation-back:hover { color: var(--gold); }
.presentation-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}
.presentation-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.presentation-counter {
  font-size: 0.9rem;
  color: var(--gold);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.presentation-link {
  font-size: 0.85rem;
  color: var(--cyan);
  padding: 4px 12px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 6px;
}
.presentation-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.presentation-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  outline: none;
  min-height: 0;
  padding: 4px 0 8px;
  background: #000;
}
.presentation-viewport {
  flex: 1;
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  position: relative;
  background: #000;
  overflow: hidden;
}
.slide-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 0;
  box-shadow: none;
  user-select: none;
  -webkit-user-drag: none;
  background: #000;
}
@keyframes slideEnterForward {
  from {
    opacity: 0;
    transform: translateX(56px) scale(0.94);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
    filter: blur(0);
  }
}
@keyframes slideEnterBack {
  from {
    opacity: 0;
    transform: translateX(-56px) scale(0.94);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
    filter: blur(0);
  }
}
@keyframes slideExitForward {
  from {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(-40px) scale(0.96);
  }
}
@keyframes slideExitBack {
  from {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(40px) scale(0.96);
  }
}
.slide-animate-forward {
  animation: slideEnterForward 0.48s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.slide-animate-back {
  animation: slideEnterBack 0.48s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.slide-exit-forward {
  animation: slideExitForward 0.22s ease-in forwards;
}
.slide-exit-back {
  animation: slideExitBack 0.22s ease-in forwards;
}
.slide-animate-in {
  animation: slideEnterForward 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.presentation-progress {
  width: calc(100% - 48px);
  max-width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  margin-top: 16px;
  overflow: hidden;
}
.presentation-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--orange));
  border-radius: 2px;
  transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  width: 4.545%;
}
.presentation-hint {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
  pointer-events: none;
  opacity: 0.75;
}
.presentation-stage:hover .presentation-hint {
  opacity: 1;
}