/* ==========================================================================
   OCUS LANDING PAGE STYLESHEET
   Aesthetic: Warm Sand Minimalist B2B Architecture (100% Flat, Zero Shadows)
   ========================================================================== */

:root {
  --bg-sand: #F7F5EE;
  --bg-card: #FFFFFF;
  --bg-hover: #ECEAE0;
  --text-main: #161618;
  --text-muted: #57575E;
  --text-dim: #8A8992;
  --border-subtle: #E3E0D5;
  --border-strong: #CDC9BD;
  --border-dark: #161618;
  --accent-ok: #059669;
  --accent-warn: #D97706;
  --accent-risk: #DC2626;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-sand);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.landing-body {
  background-color: var(--bg-sand);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, .beat-headline, .profile-pane-headline, .contrast-headline {
  text-wrap: balance;
}

p, .beat-subline, .profile-pain-desc, .contrast-list li, .resolution-sub, .jtbd-quote-text, .showcase-desc {
  text-wrap: pretty;
}

/* STICKY READING PROGRESS (ARIADNE THREAD) */
.ariadne-progress-track {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  z-index: 1000;
}
.ariadne-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--text-main);
  transition: width 0.1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* DARK RUNNING TELEMETRY TICKER (ABOVE NAVBAR, SLOWED & WITHOUT BADGE) */
.top-telemetry-bar {
  background: #121214;
  color: #A1A1AA;
  height: 36px;
  display: flex;
  align-items: center;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 950;
  white-space: nowrap;
}
.telemetry-marquee-track {
  display: flex;
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(to right, transparent 0, black 32px, black calc(100% - 32px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 32px, black calc(100% - 32px), transparent 100%);
}
.telemetry-marquee-content {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-left: 24px;
  flex-shrink: 0;
  animation: marqueeScroll 68s linear infinite;
}
.telemetry-marquee-track:hover .telemetry-marquee-content {
  animation-play-state: paused;
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}
.telemetry-sep {
  color: rgba(255, 255, 255, 0.22);
}

/* MINIMALIST FIXED HEADER WITH ACTIVE SCROLL SPY */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(247, 245, 238, 0.94);
  backdrop-filter: blur(12px);
  padding: 16px 0;
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-anchor {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 0;
  text-decoration: none;
  color: var(--text-main);
}
.brand-eye {
  flex-shrink: 0;
  display: block;
  overflow: visible;
}
.brand-title {
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-main);
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 150ms ease, font-weight 150ms ease;
  padding: 6px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  position: relative;
}
.nav-link:hover { color: var(--text-main); }
.nav-link.active {
  color: var(--text-main);
  font-weight: 700;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--text-main);
  border-radius: 1px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-text-book {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  background-color: var(--text-main);
  border: 1px solid var(--text-main);
  border-radius: 6px;
  padding: 10px 20px;
  min-height: 44px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 150ms ease;
}
.btn-text-book:hover {
  background-color: #2E2E33;
  border-color: #2E2E33;
}
.btn-text-portal {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  background-color: transparent;
  border: 1px solid var(--border-dark);
  border-radius: 6px;
  padding: 10px 20px;
  min-height: 44px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 150ms ease;
}
.btn-text-portal:hover {
  background-color: var(--bg-hover);
}

/* STORY BEATS LAYOUT & TYPOGRAPHY */
.scroll-stage {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}
.story-beat {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-subtle);
  scroll-margin-top: 116px;
}
#graph.story-beat {
  padding-bottom: 0;
  border-bottom: none;
}
.beat-headline {
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text-main);
  margin-bottom: 20px;
  max-width: 860px;
}
.beat-subline {
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 40px;
}

/* BEAT 01: HERO STAGE & EXPANDED ASCII BACKDROP */
.hero-stage {
  position: relative;
  padding-top: 80px;
  padding-bottom: 32px;
  border-bottom: none;
  overflow-x: clip;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 560px;
}
.hero-ascii-backdrop {
  position: absolute;
  top: -180px;
  right: -590px;
  width: 1580px;
  height: 1100px;
  pointer-events: none;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.96;
  transition: opacity 0.3s ease;
}
.hero-ascii-backdrop canvas {
  display: block;
}
.hero-partner-logos {
  display: flex;
  align-items: center;
  margin-bottom: 36px;
}
.partner-logos-track {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.partner-logo-item {
  display: inline-flex;
  align-items: center;
  opacity: 0.92;
  transition: opacity 150ms ease, transform 150ms ease;
}
.partner-logo-item:hover {
  opacity: 1;
  transform: translateY(-1px);
}
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 64px;
}

/* DARK THEME MONOLITHIC METRIC BLOCK (NO DIVIDERS) */
.hero-metric-bar {
  position: relative;
  z-index: 5;
  background: #121214;
  color: #F4F4F5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 72px;
  padding: 38px 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.metric-unit {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.metric-val {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: #FFFFFF;
}
.metric-lbl {
  font-size: 13px;
  color: #A1A1AA;
  line-height: 1.45;
}

/* BEAT 02: TARGET AUDIENCE (NO DIVIDERS & ZERO-LAG TIMER) */
.profile-tabs-nav {
  display: flex;
  gap: 16px;
  border-bottom: none;
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: none;
}
.profile-tabs-nav::-webkit-scrollbar { display: none; }
.profile-tab-btn {
  position: relative;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-dim);
  padding: 12px 18px 16px;
  min-height: 46px;
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: color 150ms ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
.profile-tab-btn:hover { color: var(--text-main); }
.profile-tab-btn.active {
  color: var(--text-main);
  font-weight: 700;
}
.tab-timer-track {
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 2.5px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 2px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 150ms ease;
}
.profile-tab-btn.active .tab-timer-track { opacity: 1; }
.tab-timer-fill {
  display: block;
  width: 0%;
  height: 100%;
  background: var(--text-main);
  border-radius: 2px;
}
.profile-card-stage {
  display: none;
  background: var(--bg-card);
  padding: 40px 44px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}
.profile-card-stage.active {
  display: block;
  animation: profileFadeIn 200ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes profileFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.profile-pane-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.profile-logos-row {
  display: flex;
  align-items: center;
  margin-bottom: 22px;
}
.profile-logos-list {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.logo-icon-item {
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 0;
  opacity: 0.85;
  transition: opacity 150ms ease, transform 150ms ease;
}
.logo-icon-item:hover {
  opacity: 1;
  transform: translateY(-1px);
}
.logo-icon-item svg {
  height: 24px;
  width: auto;
  max-height: 24px;
  max-width: 100px;
  display: block;
  overflow: visible;
}
.profile-pane-headline {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 16px;
}
.profile-pain-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}
.jtbd-quote-box {
  background: var(--bg-sand);
  border-left: 2px solid var(--text-main);
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
}
.jtbd-quote-text {
  font-size: 14.5px;
  font-style: italic;
  color: var(--text-main);
  line-height: 1.5;
}
.profile-resolution-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.profile-resolution-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.resolution-strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}
.resolution-sub {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* BEAT 04: ALTERNATING SHOWCASE WITH SCROLLYTELLING CIRCUIT LINE */
.showcase-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 96px;
  margin-top: 56px;
}
.showcase-circuit-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}
.circuit-path-bg {
  fill: none;
  stroke: rgba(22, 22, 24, 0.12);
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.circuit-path-active {
  fill: none;
  stroke: var(--text-main);
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke-dashoffset 16ms linear;
}
.showcase-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 56px;
  align-items: center;
}
.showcase-row.showcase-reverse {
  grid-template-columns: 1fr 1.25fr;
}
.showcase-row.showcase-reverse .showcase-media { order: 2; }
.showcase-row.showcase-reverse .showcase-copy { order: 1; }
.showcase-media {
  width: 100%;
  aspect-ratio: 16 / 10;
}
.showcase-media picture {
  display: block;
  width: 100%;
  height: 100%;
}
.showcase-img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}
.showcase-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.showcase-title {
  font-size: clamp(24px, 2.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text-main);
}
.showcase-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* BEAT 05: THE BANK PASSPORT & VISUAL DURATION COMPARISON */
.contrast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contrast-col {
  background: var(--bg-card);
  padding: 44px 40px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.contrast-col.legacy-col {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-color: rgba(0, 0, 0, 0.08);
}
.contrast-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.contrast-tag.red { color: var(--accent-risk); }
.contrast-tag.green { color: var(--accent-ok); }
.contrast-headline {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 16px;
}

/* BRAND BADGE ROW & DISCRETE DURATION BLOCKS */
.brand-badge-row { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; line-height: 1.25; }
.brand-badge-row .brand-eye {
  flex-shrink: 0;
  display: block;
  overflow: visible;
}
.brand-badge-row .brand-name { font-family: var(--font-sans); font-size: 15px; font-weight: 700; letter-spacing: -0.02em; color: var(--text-main); }
.brand-badge-row .brand-subtext { font-family: var(--font-sans); font-size: 14px; font-weight: 400; color: var(--text-muted); }

.duration-blocks-wrap { margin: 14px 0 24px; }
.duration-blocks-grid { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.d-block { width: 14px; height: 14px; border-radius: 3px; border: none; flex-shrink: 0; }
.d-block.danger { background-color: var(--accent-risk); }
.d-block.ok { background-color: var(--accent-ok); }
.duration-blocks-meta { font-family: var(--font-mono); font-size: 11px; font-weight: 600; color: var(--text-dim); margin-top: 6px; letter-spacing: 0.02em; }

.contrast-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.contrast-list li { position: relative; padding-left: 20px; font-size: 14.5px; line-height: 1.5; color: var(--text-muted); }
.contrast-list.negative li::before { content: "—"; position: absolute; left: 0; color: var(--accent-risk); font-weight: 600; }
.contrast-list.positive li::before { content: "+"; position: absolute; left: 0; color: var(--accent-ok); font-weight: 700; }

/* SITE FOOTER */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0;
  background: var(--bg-sand);
}
.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-copy {
  font-size: 13.5px;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-link {
  font-size: 13.5px;
  color: var(--text-muted);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color 150ms ease;
}
.footer-link:hover { color: var(--text-main); }

/* RESPONSIVE DESIGN BREAKPOINTS */
@media (max-width: 1024px) {
  .header-nav { gap: 16px; }
  .hero-ascii-backdrop {
    width: 680px;
    height: 520px;
    right: -40px;
    top: 50px;
    opacity: 0.45;
  }
  .hero-metric-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    padding: 32px 28px;
  }
  .profile-grid { grid-template-columns: 1fr; gap: 32px; }
  .contrast-grid { grid-template-columns: 1fr; }
  .showcase-row,
  .showcase-row.showcase-reverse { grid-template-columns: 1fr; gap: 28px; }
  .showcase-row.showcase-reverse .showcase-media { order: 1; }
  .showcase-row.showcase-reverse .showcase-copy { order: 2; }
}

@media (max-width: 768px) {
  .header-nav, .showcase-circuit-svg { display: none; }
  .header-inner, .scroll-stage { padding: 0 18px; }
  .site-header { padding: 10px 0; }
  .story-beat { padding: 56px 0; scroll-margin-top: 76px; }
  .beat-subline { margin-bottom: 28px; }
  .hero-stage { padding-top: 32px; padding-bottom: 20px; overflow-x: clip; }
  .hero-ascii-backdrop { top: 0; right: 0; left: 0; width: 100%; height: 280px; overflow: hidden; opacity: 0.12; }
  .hero-partner-logos { margin-bottom: 28px; }
  .partner-logos-track { gap: 16px 22px; }
  .hero-cta-row { flex-direction: column; align-items: stretch; gap: 12px; margin-bottom: 36px; }
  .hero-cta-row .btn-text-book,
  .hero-cta-row .btn-text-portal { width: 100%; justify-content: center; text-align: center; }
  .hero-metric-bar { grid-template-columns: 1fr; gap: 20px; margin-top: 36px; padding: 24px 20px; }
  .profile-tabs-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; overflow-x: visible; margin-bottom: 20px; }
  .profile-tab-btn { white-space: normal; font-size: 13.5px; line-height: 1.25; padding: 10px 12px 14px; min-height: 48px; border: 1px solid var(--border-subtle); border-radius: 8px; background: rgba(255, 255, 255, 0.45); }
  .profile-tab-btn.active { border-color: var(--text-main); background: var(--bg-card); }
  .tab-timer-track { left: 12px; right: 12px; bottom: 6px; }
  .profile-card-stage { padding: 22px 18px; }
  .showcase-list { gap: 48px; margin-top: 36px; }
  .contrast-col { padding: 24px 20px; }
  .faq-question { font-size: 15.5px; line-height: 1.4; padding: 16px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 16px; width: 100%; }
  .footer-link { min-height: 44px; display: inline-flex; align-items: center; padding: 6px 0; }
}

/* BEAT 07: MINIMALIST FLAT EDITORIAL FAQ (ZERO CARDS OR SHADOWS) */
.faq-list { margin-top: 32px; border-top: 1px solid var(--border-subtle); max-width: 920px; }
.faq-item { border-bottom: 1px solid var(--border-subtle); }
.faq-question { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0; min-height: 56px; font-size: 17px; font-weight: 600; letter-spacing: -0.015em; color: var(--text-main); cursor: pointer; }
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after { content: '+'; font-family: var(--font-mono); font-size: 18px; font-weight: 500; color: var(--text-muted); flex-shrink: 0; }
.faq-item[open] .faq-question::after { content: '−'; color: var(--text-main); }
.faq-answer { padding: 0 0 22px 0; font-size: 15px; line-height: 1.65; color: var(--text-muted); max-width: 78ch; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .telemetry-marquee-content { animation: none; }
}