/* ─── TOKENS ─── */
:root {
  --bg:          #050507;
  --bg-2:        #0d0d12;
  --surface:     #111118;
  --surface-2:   #1a1a24;
  --border:      rgba(255,255,255,0.08);
  --text:        #f0f0f5;
  --text-sec:    #86868b;
  --text-ter:    #48484f;
  --accent:      #4f8eff;
  --accent-2:    #a78bfa;
  --accent-glow: rgba(79,142,255,0.18);
  --green:       #30d158;
  --amber:       #ffd60a;
  --red:         #ff453a;
  --radius:      16px;
  --radius-sm:   10px;
  --font:        'Inter', system-ui, -apple-system, sans-serif;
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ─── CURSOR GLOW ─── */
.cursor-glow {
  position: fixed;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,142,255,0.07) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: transform 0.12s linear;
  z-index: 0;
  mix-blend-mode: screen;
}

/* ─── CONTAINER ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
@media (max-width: 768px) { .container { padding: 0 24px; } }

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5,5,7,0.72);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 0.2s;
}
.nav-logo:hover { background: var(--surface); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  margin-left: auto;
}
.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-sec);
  padding: 6px 14px;
  border-radius: 20px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.sound-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-sec);
  font-size: 14px;
  transition: background 0.2s, color 0.2s, transform 0.2s;
  flex-shrink: 0;
}
.sound-toggle:hover { color: var(--text); transform: scale(1.1); }
.sound-toggle.active { color: var(--accent); background: var(--accent-glow); }

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,142,255,0.25), transparent 70%);
  top: -100px; left: -100px;
  animation: orb-drift 14s ease-in-out infinite alternate;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(167,139,250,0.2), transparent 70%);
  bottom: -80px; right: -80px;
  animation: orb-drift 18s ease-in-out infinite alternate-reverse;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(48,209,88,0.12), transparent 70%);
  top: 40%; right: 20%;
  animation: orb-drift 22s ease-in-out infinite alternate;
}
@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 30px) scale(1.08); }
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  padding-top: 80px;
}
.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.2s forwards;
}
.hero-title {
  font-size: clamp(64px, 10vw, 132px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}
.hero-line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: fade-up 0.8s var(--ease-out) forwards;
}
.hero-line:nth-child(1) { animation-delay: 0.3s; }
.hero-line:nth-child(2) { animation-delay: 0.45s; }
.hero-name-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 60%, #f0f0f5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 300;
  color: var(--text-sec);
  line-height: 1.6;
  margin-bottom: 48px;
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.6s forwards;
}
.typewriter {
  color: var(--text);
  font-weight: 400;
  border-right: 2px solid var(--accent);
  padding-right: 4px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { border-color: transparent; } }
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.75s forwards;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 500;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s, background 0.2s;
}
.btn:hover { transform: scale(1.04); }
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 32px rgba(79,142,255,0.35);
}
.btn-primary:hover { box-shadow: 0 0 48px rgba(79,142,255,0.5); }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface-2); }
.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fade-in 1s ease 1.5s forwards;
}
.hero-scroll-hint span {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-ter);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-ter), transparent);
  animation: scroll-drop 2s ease-in-out infinite;
}
@keyframes scroll-drop {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ─── SECTION COMMON ─── */
.section { padding: 120px 0; position: relative; z-index: 1; }
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
}

/* ─── ABOUT ─── */
.about { background: var(--bg-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 80px;
  align-items: start;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 48px; } }
.about-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-sec);
  margin-bottom: 20px;
}
.about-body strong { color: var(--text); font-weight: 500; }
.about-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 80px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  transition: border-color 0.3s, transform 0.3s var(--ease-spring), box-shadow 0.3s;
}
.stat-card:hover {
  border-color: rgba(79,142,255,0.3);
  box-shadow: 0 8px 40px rgba(79,142,255,0.1);
  transform: translateY(-3px);
}
.stat-number {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-plus { font-size: 32px; font-weight: 600; color: var(--accent); }
.stat-label { font-size: 14px; color: var(--text-sec); margin-top: 6px; }
.philosophy-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .philosophy-row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .philosophy-row { grid-template-columns: 1fr; } }
.phil-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.3s, transform 0.3s var(--ease-spring), box-shadow 0.3s;
}
.phil-card:hover {
  border-color: rgba(167,139,250,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(167,139,250,0.1);
}
.phil-icon {
  font-size: 24px;
  color: var(--accent-2);
  margin-bottom: 16px;
}
.phil-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 10px; }
.phil-card p  { font-size: 13px; color: var(--text-sec); line-height: 1.65; }

/* ─── WORK ─── */
.work .container { margin-bottom: 0; }
.case {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
}
.case-alt { background: var(--bg-2); }
.case-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
}
.case-bg-1 { background: radial-gradient(ellipse at 80% 50%, rgba(79,142,255,0.08), transparent 60%); }
.case-bg-2 { background: radial-gradient(ellipse at 20% 50%, rgba(167,139,250,0.08), transparent 60%); }
.case-bg-3 { background: radial-gradient(ellipse at 80% 50%, rgba(48,209,88,0.07), transparent 60%); }
.case-bg-4 { background: radial-gradient(ellipse at 20% 50%, rgba(255,214,10,0.06), transparent 60%); }
.case-inner { position: relative; z-index: 1; }
.case-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.case-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-ter);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
}
.case-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.case-content-grid-rev { direction: rtl; }
.case-content-grid-rev > * { direction: ltr; }
@media (max-width: 900px) {
  .case-content-grid { grid-template-columns: 1fr; gap: 48px; direction: ltr; }
  .case-content-grid-rev { direction: ltr; }
  .case-visual { order: -1; }
}
.case-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 24px;
}
.case-title em { font-style: normal; color: var(--text-sec); font-size: 0.6em; display: block; font-weight: 300; margin-top: 6px; }
.case-body {
  font-size: 16px;
  color: var(--text-sec);
  line-height: 1.8;
  margin-bottom: 24px;
}
.case-bullets {
  list-style: none;
  margin-bottom: 32px;
}
.case-bullets li {
  font-size: 14px;
  color: var(--text-sec);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding-left: 20px;
  position: relative;
}
.case-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}
.case-outcome {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(79,142,255,0.06);
  border: 1px solid rgba(79,142,255,0.15);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}
.outcome-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 2px;
}
.outcome-text {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.6;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 600px) { .case-results { grid-template-columns: 1fr; } }
.result-chip {
  background: rgba(48,209,88,0.06);
  border: 1px solid rgba(48,209,88,0.18);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: transform 0.3s var(--ease-spring), border-color 0.3s;
}
.result-chip:hover {
  transform: translateY(-3px);
  border-color: rgba(48,209,88,0.4);
}
.result-num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--green);
  margin-bottom: 4px;
}
.result-label {
  font-size: 12px;
  color: var(--text-sec);
  line-height: 1.5;
}

/* ─── MOCKUPS ─── */
.case-mockup {
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s;
}
.case-mockup:hover { transform: translateY(-8px) rotate(-1deg); box-shadow: 0 32px 80px rgba(0,0,0,0.5); }
.mock-screen {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 280px;
}
.mock-bar {
  width: 80px; height: 8px;
  border-radius: 4px;
  background: var(--surface-2);
  margin-bottom: 24px;
}
/* NPS mockup */
.mock-chart { margin-bottom: 24px; }
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 100px;
}
.bar {
  flex: 1;
  height: var(--h);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(to top, var(--accent), var(--accent-2));
  transition: height 1s var(--ease-out);
  opacity: 0.6;
}
.bar:last-child { opacity: 1; }
.mock-score { display: flex; align-items: center; gap: 12px; }
.score-ring {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 3px solid var(--green);
  box-shadow: 0 0 16px rgba(48,209,88,0.3);
}
.score-label { font-size: 22px; font-weight: 700; color: var(--green); }
/* Discovery mockup */
.disc-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.disc-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sec);
  text-align: center;
}
.dc1 { border-color: rgba(79,142,255,0.3); color: var(--accent); }
.dc2 { border-color: rgba(167,139,250,0.3); color: var(--accent-2); }
.dc3 { border-color: rgba(48,209,88,0.3); color: var(--green); }
.dc4 { border-color: rgba(255,214,10,0.3); color: var(--amber); }
.disc-arrow { font-size: 24px; color: var(--text-ter); text-align: center; }
/* AI mockup */
.ai-chat { display: flex; flex-direction: column; gap: 12px; }
.ai-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.5;
}
.ai-msg-in {
  background: var(--surface-2);
  color: var(--text-sec);
  align-self: flex-start;
  border-radius: 4px 14px 14px 14px;
}
.ai-msg-out {
  background: rgba(79,142,255,0.12);
  color: var(--text);
  align-self: flex-end;
  border-radius: 14px 4px 14px 14px;
  border: 1px solid rgba(79,142,255,0.2);
}
.ai-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(79,142,255,0.1);
  border-radius: 4px;
  padding: 2px 6px;
  margin-bottom: 6px;
  margin-right: 4px;
}
.ai-actions { display: flex; gap: 8px; }
.ai-btn {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: opacity 0.2s;
}
.ai-btn:hover { opacity: 0.85; }
.ai-btn-ghost { background: var(--surface-2); color: var(--text-sec); }
/* Review mockup */
.review-items { display: flex; flex-direction: column; gap: 10px; }
.review-item {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
}
.ri-pass { background: rgba(48,209,88,0.1); color: var(--green); border: 1px solid rgba(48,209,88,0.2); }
.ri-warn { background: rgba(255,159,10,0.1); color: var(--amber); border: 1px solid rgba(255,159,10,0.2); }

/* ─── LEADERSHIP ─── */
.lead { background: var(--bg); }
.lead-quote {
  padding: 48px 0 64px;
}
.lead-quote blockquote {
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 300;
  font-style: italic;
  line-height: 1.7;
  color: var(--text-sec);
  max-width: 800px;
  border-left: 3px solid var(--accent-2);
  padding-left: 32px;
}
.lead-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .lead-pillars { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .lead-pillars { grid-template-columns: 1fr; } }
.lead-pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.3s, transform 0.3s var(--ease-spring), box-shadow 0.3s;
}
.lead-pillar:hover {
  border-color: rgba(79,142,255,0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.pillar-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-ter);
  margin-bottom: 16px;
}
.lead-pillar h3 { font-size: 16px; font-weight: 600; margin-bottom: 12px; }
.lead-pillar p  { font-size: 13px; color: var(--text-sec); line-height: 1.7; }

/* ─── CONTACT ─── */
.contact { background: var(--bg-2); }
.contact-title { max-width: 700px; margin-bottom: 24px; }
.contact-sub {
  font-size: 18px;
  color: var(--text-sec);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 56px;
}
.contact-links { display: flex; flex-direction: column; gap: 12px; max-width: 480px; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  transition: border-color 0.3s, transform 0.3s var(--ease-spring), background 0.2s;
}
.contact-link:hover {
  border-color: rgba(79,142,255,0.35);
  background: var(--surface-2);
  transform: translateX(6px);
}
.contact-link-icon {
  width: 36px; height: 36px;
  background: var(--surface-2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}
.link-arrow { margin-left: auto; color: var(--text-ter); transition: transform 0.2s; }
.contact-link:hover .link-arrow { transform: translateX(4px); color: var(--accent); }

/* ─── FOOTER ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-name { font-size: 14px; font-weight: 600; }
.footer-copy { font-size: 13px; color: var(--text-ter); }
.footer-year { font-size: 13px; color: var(--text-ter); margin-left: auto; }

/* ─── REVEAL ANIMATIONS ─── */
.reveal-up, .reveal-fade, .reveal-scale {
  opacity: 0;
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}
.reveal-up    { transform: translateY(32px); }
.reveal-scale { transform: scale(0.92) translateY(16px); }
.reveal-fade  { }
.is-visible { opacity: 1 !important; transform: none !important; }

/* ─── KEYFRAMES ─── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── MAGNETIC BUTTONS ─── */
.magnetic { transition-property: transform; transition-duration: 0.3s; transition-timing-function: var(--ease-out); }

/* ─── CASE PAGES ─── */
.case-page-hero {
  position: relative;
  padding: 180px 0 100px;
  overflow: hidden;
}
.case-page-hero .case-bg { opacity: 0.6; }
.case-page-title {
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 24px 0 20px;
}
.case-page-sub {
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 300;
  color: var(--text-sec);
  max-width: 640px;
  line-height: 1.6;
}
.case-facts {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.case-fact-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-ter);
  margin-bottom: 6px;
}
.case-fact-value { font-size: 14px; color: var(--text); }
.case-section { padding: 72px 0; border-top: 1px solid var(--border); }
.case-section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.case-prose {
  max-width: 720px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-sec);
}
.case-prose p { margin-bottom: 20px; }
.case-prose strong { color: var(--text); font-weight: 500; }
.problem-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 36px 0;
}
@media (max-width: 800px) { .problem-stats { grid-template-columns: 1fr 1fr; } }
.problem-stat {
  background: rgba(255,69,58,0.05);
  border: 1px solid rgba(255,69,58,0.15);
  border-radius: var(--radius-sm);
  padding: 20px;
  transition: transform 0.3s var(--ease-spring), border-color 0.3s;
}
.problem-stat:hover { transform: translateY(-3px); border-color: rgba(255,69,58,0.35); }
.problem-stat .num {
  display: block;
  font-size: 30px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.problem-stat .lbl { font-size: 12px; color: var(--text-sec); line-height: 1.5; }
.quote-cards { display: grid; gap: 12px; max-width: 720px; margin: 32px 0; }
.quote-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  font-size: 15px;
  font-style: italic;
  color: var(--text-sec);
}
.step-list { max-width: 760px; display: grid; gap: 16px; margin-top: 8px; }
.step-item {
  display: flex;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.3s, transform 0.3s var(--ease-spring);
}
.step-item:hover { border-color: rgba(79,142,255,0.3); transform: translateX(6px); }
.step-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 3px;
}
.step-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.step-item p  { font-size: 14px; color: var(--text-sec); line-height: 1.7; }
.case-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 48px 0 80px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.case-nav a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 240px;
  transition: border-color 0.3s, transform 0.3s var(--ease-spring);
}
.case-nav a:hover { border-color: rgba(79,142,255,0.35); transform: translateY(-3px); }
.case-nav .dir { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-ter); }
.case-nav .name { font-size: 15px; font-weight: 600; }
.case-nav .next { text-align: right; margin-left: auto; }
.case-link-btn { margin-top: 24px; }

/* ─── CASE FIGURES ─── */
.case-figure {
  margin: 12px 0 40px;
  max-width: 860px;
}
.case-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}
.case-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-ter);
  line-height: 1.6;
}
.case-table-wrap {
  overflow-x: auto;
  margin: 12px 0 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.case-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.case-table th, .case-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.case-table tr:last-child td { border-bottom: none; }
.case-table th {
  color: var(--text-sec);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--surface-2);
}
.case-table td { color: var(--text-sec); line-height: 1.6; }
.case-table td strong { color: var(--text); }
.case-table td.hl { color: var(--accent); font-weight: 600; }

/* ─── LOCK SCREEN ─── */
.lock-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lock-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
  animation: fade-up 0.6s var(--ease-out);
}
.lock-icon {
  width: 56px; height: 56px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--accent-glow);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  color: var(--accent);
}
.lock-card h1 { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 10px; }
.lock-card p  { font-size: 14px; color: var(--text-sec); line-height: 1.7; margin-bottom: 28px; }
.lock-form { display: flex; flex-direction: column; gap: 12px; }
.lock-input {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  text-align: center;
  letter-spacing: 0.08em;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.lock-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(79,142,255,0.12);
}
.lock-error {
  font-size: 13px;
  color: var(--red);
  min-height: 18px;
}
.lock-card.shake { animation: lock-shake 0.4s; }
@keyframes lock-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

/* ─── SELECTION ─── */
::selection { background: rgba(79,142,255,0.25); }

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-ter); }