/* Self-hosted fonts (GDPR-compliant) */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(../assets/fonts/space-grotesk-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(../assets/fonts/space-grotesk-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../assets/fonts/space-mono-400-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../assets/fonts/space-mono-400-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(../assets/fonts/space-mono-700-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(../assets/fonts/space-mono-700-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

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

:root {
  --black: #060608;
  --dark: #0c0c10;
  --card: #111116;
  --border: rgba(255,255,255,0.06);
  --white: #f4f4f6;
  --gray: #7a7a8e;
  --dim: #3a3a4e;
  --mint: #34d399;
  --mint-dim: rgba(52,211,153,0.12);
  --mint-glow: rgba(52,211,153,0.25);
  --cyan: #22d3ee;
  --mono: 'Space Mono', monospace;
  --sans: 'Space Grotesk', -apple-system, sans-serif;
}

html { overflow-x: hidden; }

body {
  font-family: var(--sans);
  background: var(--black);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── TOPBAR ── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(8px);
  background: rgba(6,6,8,0.7);
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 24px;
}
.topbar-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--white);
}
.topbar-logo .mark {
  width: 38px; height: 38px;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; letter-spacing: 1.5px;
}
.topbar-back {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gray);
  transition: color 0.2s;
}
.topbar-back:hover { color: var(--white); }
.topbar-cta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mint);
  text-decoration: none;
  border: 1px solid var(--mint);
  padding: 8px 20px;
  border-radius: 6px;
  transition: all 0.2s;
}
.topbar-cta:hover {
  background: var(--mint);
  color: var(--black);
}

/* ── PAGE WRAPPER ── */
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 140px 48px 80px;
}

/* ── SECTION TAG ── */
.sec-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── CASE BADGE ── */
.case-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mint);
  border: 1px solid rgba(52,211,153,0.3);
  padding: 6px 14px;
  border-radius: 6px;
  margin-bottom: 32px;
}

/* ── CASE HERO ── */
.case-title {
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}
.case-subtitle {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 40px;
}

/* ── META STRIP ── */
.meta-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  margin-bottom: 56px;
}
.meta-item .meta-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 6px;
}
.meta-item .meta-value {
  font-size: 15px;
  font-weight: 700;
}

/* ── SECTION HEADINGS ── */
.section-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 20px;
}
.section-heading {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

/* ── CONTENT BLOCKS ── */
.content-section {
  margin-bottom: 56px;
}
.content-section p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
}

/* ── FEATURE CARDS ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
}
.feature-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
}

/* ── CALLOUT / QUOTE ── */
.callout {
  background: linear-gradient(135deg, rgba(52,211,153,0.12), rgba(34,211,238,0.08));
  border-left: 3px solid var(--mint);
  border-radius: 0 12px 12px 0;
  padding: 28px 32px;
  margin-bottom: 56px;
  font-size: 15px;
  font-style: italic;
  line-height: 1.7;
  color: var(--white);
}

/* ── RESULTS GRID ── */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}
.result-item .result-big {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: var(--mint);
  line-height: 1;
  margin-bottom: 8px;
}
.result-item .result-label {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
}

/* ── AX METHOD TIMELINE ── */
.ax-section {
  border-top: 1px solid var(--border);
  padding-top: 48px;
  margin-bottom: 56px;
}
.ax-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.ax-step { text-align: center; }
.ax-dot {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 2px solid var(--dim);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--dim);
  transition: all 0.3s;
}
.ax-step.active .ax-dot {
  border-color: var(--mint);
  color: var(--mint);
}
.ax-step h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}
.ax-step p {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.5;
}

/* ── PROCESS TIMELINE (for 10x case) ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 24px;
  margin-bottom: 40px;
}
.process-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 20px;
}
.process-card.highlight {
  border-color: var(--mint);
  background: linear-gradient(135deg, rgba(52,211,153,0.08), var(--card));
}
.process-card .pc-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 4px;
}
.process-card h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}
.process-card p {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.5;
}

/* ── OVERVIEW PAGE: CASE CARDS ── */
.overview-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -2px;
  margin-bottom: 16px;
}
.overview-subtitle {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 64px;
}
.case-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 64px;
}
.case-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: start;
  transition: border-color 0.3s, transform 0.3s;
}
.case-card:hover {
  border-color: rgba(52,211,153,0.2);
  transform: translateY(-3px);
}
.case-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 2px solid var(--mint);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--mint);
  flex-shrink: 0;
}
.case-card-body { min-width: 0; }
.case-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.25;
}
.case-card-tags {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 14px;
}
.case-card-desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 20px;
}
.case-card-metrics {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.case-metric .cm-val {
  font-size: 22px;
  font-weight: 700;
  color: var(--mint);
  line-height: 1;
  margin-bottom: 4px;
}
.case-metric .cm-label {
  font-size: 11px;
  color: var(--gray);
}
.case-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mint);
  margin-top: 20px;
  transition: gap 0.2s;
}
.case-card:hover .case-card-link { gap: 10px; }

/* ── BOTTOM CALLOUT ── */
.bottom-callout {
  background: linear-gradient(135deg, rgba(52,211,153,0.12), rgba(34,211,238,0.08));
  border-left: 3px solid var(--mint);
  border-radius: 0 12px 12px 0;
  padding: 32px 36px;
  margin-bottom: 64px;
}
.bottom-callout h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.bottom-callout p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ── FOOTER ── */
.foot {
  text-align: center;
  padding: 24px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  border-top: 1px solid var(--border);
}
.foot a {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s;
}
.foot a:hover { color: var(--white); }

/* ── BACK LINK ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mint);
  margin-bottom: 48px;
  transition: gap 0.2s;
}
.back-link:hover { gap: 12px; }

/* ── BUTTON ── */
.btn-g {
  display: inline-block;
  padding: 14px 32px;
  background: var(--mint);
  color: var(--black);
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.25s;
}
.btn-g:hover { box-shadow: 0 0 30px var(--mint-glow); transform: translateY(-2px); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .topbar { padding: 16px 24px; }
  .page { padding: 120px 24px 60px; }
  .meta-strip { grid-template-columns: 1fr 1fr; gap: 20px; }
  .results-grid { grid-template-columns: 1fr 1fr; }
  .ax-timeline { grid-template-columns: 1fr 1fr; gap: 20px; }
  .feature-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .case-card { grid-template-columns: 1fr; gap: 20px; }
  .case-card-metrics { gap: 20px; }
}
@media (max-width: 480px) {
  .meta-strip { grid-template-columns: 1fr; gap: 16px; }
  .ax-timeline { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
}