/* ============================================================
   Velometry — shared stylesheet
   Sections: 1) base + tokens  2) shared chrome (nav/footer/buttons)
             3) landing (.landing)  4) admin (.admin-shell)
             5) content pages (.content-page)
   ============================================================ */

/* 1) RESET + TOKENS + BASE ---------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --strava: #fc5200;
  --strava-dark: #d94600;
  --velo: #22d3ee;
  --velo-dark: #0891b2;
  --dark: #1a1a2e;
  --dark2: #16213e;
  --mid: #0f3460;
  --text: #e0e0e0;
  --text-muted: #9aa0b0;
  --green: #4caf50;
  --yellow: #ffeb3b;
  --red: #f44336;
  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  max-width: 100vw;
  min-height: 100vh;
}

a { color: var(--velo); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 2) SHARED CHROME ----------------------------------------- */

/* Buttons */
.btn-strava {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--strava); color: #fff; text-decoration: none;
  font-size: 1.1rem; font-weight: 700; border-radius: 12px;
  padding: 16px 36px;
  box-shadow: 0 8px 30px rgba(252,82,0,.4);
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-strava:hover {
  background: var(--strava-dark); transform: translateY(-2px); text-decoration: none;
  box-shadow: 0 12px 40px rgba(252,82,0,.5);
}
.btn-strava svg { flex-shrink: 0; }

.btn-primary {
  background: var(--strava); color: #fff; border: none; border-radius: 10px;
  padding: 12px 26px; font-size: .95rem; font-weight: 700; cursor: pointer;
  transition: background .15s, transform .1s; font-family: inherit; text-decoration: none;
  display: inline-block;
}
.btn-primary:hover { background: var(--strava-dark); transform: translateY(-1px); text-decoration: none; }

/* Site nav (home + content pages) */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 48px;
  background: rgba(26,26,46,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo:hover { text-decoration: none; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--velo), var(--mid));
  display: flex; align-items: center; justify-content: center;
}
.nav-logo span { font-size: 1.05rem; font-weight: 700; color: #fff; letter-spacing: .3px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a.txt { color: var(--text-muted); text-decoration: none; font-size: .9rem; font-weight: 500; transition: color .2s; }
.nav-links a.txt:hover { color: #fff; text-decoration: none; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px; line-height: 1;
  background: var(--strava); color: #fff; border: none; border-radius: 8px;
  padding: 9px 22px; font-size: .9rem; font-weight: 600; cursor: pointer;
  text-decoration: none; transition: background .2s;
}
.nav-cta:hover { background: var(--strava-dark); text-decoration: none; }
.nav-cta svg { flex-shrink: 0; display: block; }
@media (max-width: 700px) { .nav-links a.txt { display: none; } }

/* Site footer */
.site-footer {
  text-align: center; padding: 32px 24px;
  border-top: 1px solid var(--card-border);
  color: var(--text-muted); font-size: .85rem;
}
.site-footer .foot-links { margin-bottom: 10px; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.site-footer a { color: var(--velo); }
.strava-attrib { margin-top: 12px; font-size: .78rem; color: #6b7280; }

/* 3) LANDING ----------------------------------------------- */
.landing .hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(34,211,238,.16) 0%, transparent 70%),
    var(--dark);
}
.landing .hero-icon {
  width: 110px; height: 110px; border-radius: 26px;
  background: linear-gradient(135deg, var(--velo), var(--mid));
  box-shadow: 0 20px 60px rgba(34,211,238,.30);
  margin-bottom: 32px;
  display: flex; align-items: center; justify-content: center;
}
.landing .hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800; letter-spacing: -.5px; line-height: 1.15;
  margin-bottom: 20px;
}
.landing .hero h1 span { color: var(--velo); }
.landing .hero p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted); max-width: 580px; margin: 0 auto 40px;
}
.landing .hero-sub { margin-top: 20px; font-size: .85rem; color: var(--text-muted); }

.landing .scroll-hint { margin-top: 60px; opacity: .4; animation: bounce 2s infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

.landing section { padding: 100px 24px; }
.landing .section-inner { max-width: 1100px; margin: 0 auto; }
.landing .section-label {
  display: inline-block;
  font-size: .75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--velo); margin-bottom: 14px;
}
.landing .section-title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800; line-height: 1.2; margin-bottom: 16px;
}
.landing .section-desc { color: var(--text-muted); max-width: 640px; font-size: 1.05rem; }

.landing .features { background: var(--dark2); }
.landing .features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px; margin-top: 56px;
}
.landing .feature-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 32px 28px;
  transition: border-color .2s, transform .2s; position: relative;
}
.landing .feature-card:hover { border-color: rgba(34,211,238,.4); transform: translateY(-3px); }
.landing .feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(34,211,238,.12); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
}
.landing .feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.landing .feature-card p { color: var(--text-muted); font-size: .95rem; }
.landing .premium-tag {
  position: absolute; top: 22px; right: 22px;
  font-size: .62rem; font-weight: 800; letter-spacing: .5px; text-transform: uppercase;
  color: var(--strava); background: rgba(252,82,0,.14);
  border: 1px solid rgba(252,82,0,.35); border-radius: 6px; padding: 3px 8px;
}

.landing .steps { display: flex; flex-direction: column; gap: 40px; margin-top: 56px; }
.landing .step { display: flex; gap: 28px; align-items: flex-start; }
.landing .step-num {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%;
  background: var(--velo); color: var(--dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem;
}
.landing .step-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.landing .step-body p { color: var(--text-muted); font-size: .95rem; }

.landing .preview { background: var(--dark2); }
.landing .preview-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 32px; margin-top: 56px; align-items: start;
}
@media (max-width: 768px) { .landing .preview-grid { grid-template-columns: 1fr; } }
.landing .preview-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 20px; overflow: hidden;
}
.landing .preview-card-header {
  padding: 14px 20px; background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--card-border);
  font-size: .8rem; color: var(--text-muted); display: flex; align-items: center; gap: 8px;
}
.landing .dot { width: 10px; height: 10px; border-radius: 50%; }
.landing .preview-card-body { padding: 24px; }
.landing .strava-mock { background: #fff; border-radius: 12px; padding: 22px; color: #333; }
.landing .strava-mock-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; color: #111; }
.landing .strava-mock-meta { font-size: .8rem; color: #888; margin-bottom: 14px; }
.landing .strava-mock-line { font-size: .92rem; margin-bottom: 4px; }
.landing .strava-mock-line.premium { color: #d94600; font-weight: 600; }
.landing .strava-mock-line.ytd { color: #0e7490; }
.landing .strava-mock-divider { height: 1px; background: #eee; margin: 12px 0; }
.landing .wind-bar {
  height: 8px; border-radius: 4px; margin: 10px 0 8px;
  background: linear-gradient(to right, #f44336, #ff9800, #ffeb3b, #8bc34a, #4caf50);
}
.landing .wind-bar-labels { display: flex; justify-content: space-between; font-size: .75rem; color: var(--text-muted); }
.landing .token {
  background: rgba(34,211,238,.14); color: var(--velo); border: 1px solid rgba(34,211,238,.3);
  border-radius: 5px; padding: 1px 6px; font-size: .82rem; white-space: nowrap;
  font-family: 'Courier New', monospace;
}
.landing .token.premium { background: rgba(252,82,0,.14); color: var(--strava); border-color: rgba(252,82,0,.35); }
.landing .tpl-textarea {
  background: rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px; padding: 16px; color: var(--text);
  line-height: 1.9; margin-bottom: 20px; font-family: 'Courier New', monospace; font-size: .88rem;
}
.landing .chip-family { margin-bottom: 16px; }
.landing .chip-family-label {
  font-size: .7rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 8px; display: flex; align-items: center; gap: 8px;
}
.landing .chip-family-label .badge {
  font-size: .58rem; color: var(--strava); background: rgba(252,82,0,.14);
  border: 1px solid rgba(252,82,0,.35); border-radius: 4px; padding: 1px 6px; letter-spacing: .5px;
}
.landing .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.landing .chip {
  font-family: 'Courier New', monospace; font-size: .78rem;
  background: rgba(34,211,238,.1); color: var(--velo);
  border: 1px solid rgba(34,211,238,.28); border-radius: 6px; padding: 4px 9px;
}
.landing .chip.premium { background: rgba(252,82,0,.1); color: var(--strava); border-color: rgba(252,82,0,.3); }

.landing .algo { background: var(--dark); }
.landing .algo-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px; margin-top: 56px;
}
.landing .algo-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 28px;
}
.landing .algo-card.premium { border-color: rgba(252,82,0,.28); }
.landing .algo-card h3 {
  font-size: 1.05rem; font-weight: 700; margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.landing .algo-badge {
  font-size: .7rem; background: rgba(34,211,238,.15); color: var(--velo);
  border-radius: 4px; padding: 2px 8px; font-weight: 700; letter-spacing: .5px; white-space: nowrap;
}
.landing .algo-badge.premium { background: rgba(252,82,0,.15); color: var(--strava); }
.landing .algo-card > p { color: var(--text-muted); font-size: .9rem; margin-bottom: 16px; }
.landing .metric-row {
  display: flex; align-items: baseline; gap: 10px; padding: 8px 0;
  border-top: 1px solid rgba(255,255,255,.05); font-size: .88rem;
}
.landing .metric-row code { font-family: 'Courier New', monospace; color: var(--velo); font-size: .82rem; flex-shrink: 0; }
.landing .algo-card.premium .metric-row code { color: var(--strava); }
.landing .metric-row .desc { color: var(--text-muted); font-size: .82rem; }
.landing .powered {
  margin-top: 18px; font-size: .8rem; color: var(--text-muted);
  background: rgba(252,82,0,.06); border: 1px solid rgba(252,82,0,.2);
  border-radius: 8px; padding: 10px 14px;
}
.landing .powered a { color: var(--strava); font-weight: 600; }

.landing .cta-section {
  text-align: center; padding: 100px 24px;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(34,211,238,.12) 0%, transparent 70%), var(--dark2);
}
.landing .cta-section h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 16px; }
.landing .cta-section p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 40px; }

@media (max-width: 600px) {
  .site-nav { padding: 12px 20px; }
  .landing .step { flex-direction: column; gap: 12px; }
  .landing section { padding: 72px 20px; }
}

/* 4) ADMIN SHELL ------------------------------------------- */
.admin-shell { display: flex; min-height: 100vh; }

.admin-shell .sidebar {
  width: 248px; flex-shrink: 0;
  background: var(--dark2); border-right: 1px solid var(--card-border);
  padding: 22px 16px; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.admin-shell .side-logo { display: flex; align-items: center; gap: 10px; padding: 6px 8px 22px; }
.admin-shell .side-logo:hover { text-decoration: none; }
.admin-shell .side-logo span { font-size: 1.05rem; font-weight: 700; color: #fff; letter-spacing: .3px; }
.admin-shell .side-section { font-size: .68rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-muted); padding: 14px 10px 8px; }
.admin-shell .nav-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 9px;
  color: var(--text-muted); font-size: .92rem; font-weight: 500;
  transition: background .15s, color .15s;
}
.admin-shell .nav-item:hover { background: rgba(255,255,255,.04); color: var(--text); text-decoration: none; }
.admin-shell .nav-item.active { background: rgba(34,211,238,.12); color: var(--velo); }
.admin-shell .nav-item svg { flex-shrink: 0; }
.admin-shell .side-spacer { flex: 1; }
.admin-shell .side-athlete {
  border-top: 1px solid var(--card-border); padding-top: 14px; margin-top: 8px;
  display: flex; align-items: center; gap: 10px; font-size: .82rem;
}
.admin-shell .side-athlete .avatar {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--strava), var(--strava-dark));
  display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: .8rem;
}
.admin-shell .side-athlete .who small { display: block; color: var(--text-muted); font-size: .72rem; }
.admin-shell .side-logout {
  display: block; margin-top: 12px; text-align: center; font-size: .82rem; color: var(--text-muted);
  padding: 8px; border: 1px solid var(--card-border); border-radius: 8px; transition: border-color .15s, color .15s;
}
.admin-shell .side-logout:hover { color: var(--text); border-color: rgba(255,255,255,.2); text-decoration: none; }

.admin-shell .main { flex: 1; min-width: 0; }
.admin-shell .topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px; border-bottom: 1px solid var(--card-border);
  background: rgba(22,33,62,.5); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.admin-shell .topbar h1 { font-size: 1.15rem; font-weight: 700; }
.admin-shell .topbar .crumb { color: var(--text-muted); font-weight: 500; }
.admin-shell .pill { font-size: .74rem; font-weight: 600; padding: 5px 11px; border-radius: 999px; display: inline-flex; align-items: center; gap: 6px; }
.admin-shell .pill.ok { color: var(--green); background: rgba(76,175,80,.12); border: 1px solid rgba(76,175,80,.3); }
.admin-shell .content { padding: 32px; max-width: 1000px; margin: 0 auto; }

.admin-shell .panel {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; overflow: hidden; margin-bottom: 24px;
}
.admin-shell .panel-head { padding: 18px 22px; border-bottom: 1px solid var(--card-border); }
.admin-shell .panel-head h2 { font-size: 1rem; font-weight: 700; }
.admin-shell .panel-head p { font-size: .82rem; color: var(--text-muted); margin-top: 2px; }
.admin-shell .panel-body { padding: 22px; }

.admin-shell .flash {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px; border-radius: 10px; font-size: .88rem; margin-bottom: 20px;
}
.admin-shell .flash-success { background: rgba(76,175,80,.1); border: 1px solid rgba(76,175,80,.32); color: #a5d6a7; }
.admin-shell .flash-error { background: rgba(244,67,54,.1); border: 1px solid rgba(244,67,54,.32); color: #ef9a9a; }

.admin-shell .hint { font-size: .86rem; color: var(--text-muted); margin-bottom: 18px; }
.admin-shell .metric-family { margin-bottom: 18px; }
.admin-shell .metric-family-title {
  font-size: .72rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 10px; display: flex; align-items: center; gap: 9px;
}
.admin-shell .fam-badge {
  font-size: .58rem; font-weight: 800; letter-spacing: .5px;
  color: var(--strava); background: rgba(252,82,0,.14);
  border: 1px solid rgba(252,82,0,.35); border-radius: 4px; padding: 2px 7px;
}
.admin-shell .metric-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-shell .chip {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  background: rgba(34,211,238,.1); color: var(--text);
  border: 1px solid rgba(34,211,238,.28); border-radius: 8px;
  padding: 7px 11px; font-size: .82rem; font-family: inherit;
  transition: background .15s, border-color .15s, transform .1s;
}
.admin-shell .chip:hover { background: rgba(34,211,238,.18); border-color: var(--velo); transform: translateY(-1px); }
.admin-shell .chip:active { transform: translateY(0); }
.admin-shell .chip code { font-family: 'Courier New', monospace; font-size: .76rem; color: var(--velo); }
.admin-shell .metric-family.premium .chip { background: rgba(252,82,0,.09); border-color: rgba(252,82,0,.3); }
.admin-shell .metric-family.premium .chip:hover { background: rgba(252,82,0,.16); border-color: var(--strava); }
.admin-shell .metric-family.premium .chip code { color: var(--strava); }

.admin-shell .field-label { font-size: .82rem; font-weight: 600; color: var(--text-muted); margin: 24px 0 8px; display: block; }
.admin-shell textarea#template-body {
  width: 100%; min-height: 220px; resize: vertical;
  background: rgba(0,0,0,.32); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 16px; color: var(--text);
  font-family: 'Courier New', monospace; font-size: .92rem; line-height: 1.8;
  outline: none; transition: border-color .15s;
}
.admin-shell textarea#template-body:focus { border-color: rgba(34,211,238,.5); }
.admin-shell .form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 18px; flex-wrap: wrap; }
.admin-shell .form-foot .note { font-size: .8rem; color: var(--text-muted); }

.admin-shell .preset { border: 1px solid var(--card-border); border-radius: 14px; padding: 20px; background: rgba(0,0,0,.15); }
.admin-shell .preset + .preset { margin-top: 16px; }
.admin-shell .preset-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.admin-shell .preset-title { font-size: 1.05rem; font-weight: 700; }
.admin-shell .preset-desc { font-size: .86rem; color: var(--text-muted); margin-bottom: 14px; }
.admin-shell .preset-body {
  background: rgba(0,0,0,.35); border: 1px solid rgba(34,211,238,.18);
  border-radius: 10px; padding: 14px 16px;
  font-family: 'Courier New', monospace; font-size: .86rem; line-height: 1.9;
  color: var(--text); white-space: pre-wrap; word-break: break-word;
}
.admin-shell .preset-foot { margin-top: 16px; display: flex; justify-content: flex-end; }

@media (max-width: 820px) {
  .admin-shell .sidebar { display: none; }
  .admin-shell .content { padding: 22px 18px; }
  .admin-shell .topbar { padding: 14px 18px; }
}

/* 5) CONTENT PAGES (legal, cookies) ------------------------ */
.content-page { max-width: 820px; margin: 0 auto; padding: 130px 24px 80px; }
.content-page h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 6px; letter-spacing: -.3px; }
.content-page .updated { color: var(--text-muted); font-size: .85rem; margin-bottom: 8px; }
.content-page .lead { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 20px; }
.content-page h2 {
  font-size: 1.3rem; font-weight: 700; margin: 40px 0 12px;
  padding-top: 16px; border-top: 1px solid var(--card-border); scroll-margin-top: 90px;
}
.content-page h3 { font-size: 1.02rem; font-weight: 700; margin: 22px 0 8px; }
.content-page p { color: var(--text); margin-bottom: 14px; }
.content-page ul { margin: 0 0 16px 22px; }
.content-page li { margin-bottom: 8px; }
.content-page code {
  font-family: 'Courier New', monospace; font-size: .85em;
  background: rgba(255,255,255,.06); border: 1px solid var(--card-border);
  border-radius: 4px; padding: 1px 5px; color: var(--velo);
}
.content-page a { color: var(--velo); }
.content-page table {
  width: 100%; border-collapse: collapse; margin: 16px 0 22px; font-size: .9rem;
  border: 1px solid var(--card-border); border-radius: 10px; overflow: hidden;
}
.content-page th, .content-page td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--card-border); vertical-align: top; }
.content-page thead th { background: rgba(255,255,255,.03); font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); }
.content-page tbody tr:last-child td { border-bottom: none; }
.content-page .toc {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 16px 20px; margin: 20px 0 8px;
}
.content-page .toc strong { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 8px; }
.content-page .toc a { margin-right: 18px; font-size: .92rem; font-weight: 600; }

/* 6) ERROR PAGES --------------------------------------------- */
.error-page {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(34,211,238,.16) 0%, transparent 70%),
    var(--dark);
}
.error-page .error-icon {
  width: 100px; height: 100px; border-radius: 24px;
  background: linear-gradient(135deg, var(--velo), var(--mid));
  box-shadow: 0 20px 60px rgba(34,211,238,.30);
  margin-bottom: 32px;
  display: flex; align-items: center; justify-content: center;
}
.error-page .error-code {
  font-size: .8rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--velo); margin-bottom: 14px;
}
.error-page h1 {
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  font-weight: 800; letter-spacing: -.5px; line-height: 1.2;
  margin-bottom: 16px;
}
.error-page p {
  font-size: 1.05rem; color: var(--text-muted); max-width: 520px; margin: 0 auto 36px;
}
.error-page .error-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.error-page .btn-secondary {
  background: transparent; color: var(--text); border: 1px solid var(--card-border); border-radius: 10px;
  padding: 12px 26px; font-size: .95rem; font-weight: 700; cursor: pointer;
  transition: border-color .15s, transform .1s; font-family: inherit; text-decoration: none;
  display: inline-block;
}
.error-page .btn-secondary:hover { border-color: rgba(255,255,255,.3); transform: translateY(-1px); text-decoration: none; }