/* ─────────────────────────────────────────────
   OffloadPro - site-wide styles
   Shared across landing, features, how-it-works, pricing
   ──────────────────────────────────────────── */

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

:root {
  /* surfaces */
  --bg-deep:    #0a0a0f;
  --bg:         #0e0e14;
  --surface:    #14141a;
  --surface-2:  #1c1c23;
  --surface-3:  #23232c;
  --surface-4:  #2a2a35;

  /* lines */
  --border:     #26262f;
  --border-2:   #33333f;
  --border-3:   #42424f;
  --hairline:   rgba(255,255,255,0.06);

  /* text */
  --text:       #ececf2;
  --text-2:     #a0a0b2;
  --text-3:     #6e6e80;
  --text-4:     #4a4a58;

  /* brand */
  --blue:       #4f80ff;
  --blue-2:     #6c95ff;
  --blue-dim:   rgba(79,128,255,0.12);
  --blue-faint: rgba(79,128,255,0.06);
  --blue-border: rgba(79,128,255,0.35);

  /* state */
  --green:      #3db87a;
  --green-dim:  rgba(61,184,122,0.12);
  --green-bd:   rgba(61,184,122,0.32);
  --amber:      #e8a020;
  --amber-dim:  rgba(232,160,32,0.12);
  --amber-bd:   rgba(232,160,32,0.32);
  --red:        #e05555;
  --red-dim:    rgba(224,85,85,0.12);
  --red-bd:     rgba(224,85,85,0.32);

  /* type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* radius */
  --r-1: 4px;
  --r-2: 6px;
  --r-3: 10px;
  --r-4: 14px;

  /* shadow */
  --shadow-1: 0 1px 0 rgba(255,255,255,0.03) inset, 0 1px 2px rgba(0,0,0,0.4);
  --shadow-2: 0 8px 24px -8px rgba(0,0,0,0.5);
  --shadow-3: 0 24px 60px -20px rgba(0,0,0,0.7);

  /* layout */
  --max-w: 1240px;
  --gutter: 24px;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(79,128,255,0.045), transparent 60%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

::selection { background: rgba(79,128,255,0.35); color: var(--text); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--border-3); }

/* ─────────── Layout helpers ─────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }
.container-wide { max-width: 1360px; margin: 0 auto; padding: 0 var(--gutter); }

.section { padding: 96px 0; position: relative; }
.section-tight { padding: 64px 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  padding: 4px 10px;
  border: 1px solid var(--blue-border);
  background: var(--blue-faint);
  border-radius: 999px;
}
.eyebrow .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 8px var(--blue);
}

.h-display {
  font-family: var(--font-sans);
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 600;
  color: var(--text);
}
.h-display .accent { color: var(--blue); }
.h-display .muted { color: var(--text-3); }

.h-section {
  font-family: var(--font-sans);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 600;
  color: var(--text);
}

.h-card {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.012em;
  font-weight: 600;
  color: var(--text);
}

.lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--text-2);
  max-width: 64ch;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
}

.mono { font-family: var(--font-mono); }

/* ─────────── Buttons ─────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: var(--r-2);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 4px 16px -4px rgba(79,128,255,0.5);
}
.btn-primary:hover { background: #5e8cff; }
.btn-ghost {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border-2);
}
.btn-ghost:hover { background: var(--surface-3); border-color: var(--border-3); }
.btn-quiet {
  background: transparent;
  color: var(--text-2);
}
.btn-quiet:hover { color: var(--text); background: var(--surface-2); }
.btn-lg { padding: 12px 20px; font-size: 15px; }

/* ─────────── Top nav ─────────── */
.topnav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(14,14,20,0.72);
  border-bottom: 1px solid var(--hairline);
}
.topnav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 60px;
  display: flex; align-items: center; gap: 32px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-sans);
  font-size: 16px; font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}
.brand .accent { color: var(--blue); }
.brand-tag {
  font-family: var(--font-mono);
  font-size: 9px; font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-left: 4px;
  padding-top: 2px;
}
.nav-links { display: flex; gap: 4px; align-items: center; flex-wrap: nowrap; }
.nav-link {
  padding: 7px 12px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--text-2);
  border-radius: var(--r-2);
  transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.nav-link.active { color: var(--text); background: var(--surface-2); }
.nav-spacer { flex: 1; }
.nav-cta { display: flex; gap: 8px; align-items: center; }

/* ─────────── Footer ─────────── */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 64px 0 40px;
  margin-top: 80px;
  background: var(--bg-deep);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 13px; color: var(--text-2);
  transition: color .15s;
}
.footer-col a:hover { color: var(--text); }
.footer-blurb {
  font-size: 13px; color: var(--text-3); line-height: 1.6;
  margin-top: 16px; max-width: 32ch;
}
.footer-legal {
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 12px; color: var(--text-4);
  line-height: 1.65;
  max-width: 92ch;
}
.footer-legal a { color: var(--text-3); }
.footer-legal a:hover { color: var(--text); }
.footer-bottom {
  margin-top: 20px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-4);
  letter-spacing: 0.04em;
}

/* ─────────── Generic surfaces ─────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
}
.panel-header {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  display: flex; align-items: center; justify-content: space-between;
}
.panel-body { padding: 18px; }

/* status dots */
.status-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.status-dot.live { box-shadow: 0 0 8px currentColor; }

/* status pill */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pill .dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.pill-green { color: var(--green); background: var(--green-dim); border: 1px solid var(--green-bd); }
.pill-amber { color: var(--amber); background: var(--amber-dim); border: 1px solid var(--amber-bd); }
.pill-red   { color: var(--red);   background: var(--red-dim);   border: 1px solid var(--red-bd); }
.pill-blue  { color: var(--blue);  background: var(--blue-dim);  border: 1px solid var(--blue-border); }
.pill-muted { color: var(--text-3); background: var(--surface-3); border: 1px solid var(--border-2); }

/* image placeholder */
.shot-placeholder {
  position: relative;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.018) 0 8px, transparent 8px 16px),
    var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: 24px;
  min-height: 200px;
}
.shot-placeholder::before {
  content: ''; position: absolute; inset: 8px;
  border: 1px dashed var(--border-2);
  border-radius: 8px;
  pointer-events: none;
}
.shot-placeholder .label { position: relative; z-index: 1; max-width: 40ch; line-height: 1.6; }
.shot-placeholder .label .key { color: var(--blue); display: block; margin-bottom: 6px; }

/* fine background grid */
.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 30%, transparent 80%);
  pointer-events: none;
}

/* divider line */
.hr-mono {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-4);
}
.hr-mono::before, .hr-mono::after {
  content: ''; flex: 1; height: 1px; background: var(--hairline);
}

/* ─────────── Layout utilities ─────────── */
.section-flush   { padding-top: 0; }
.section-cta-wrap { padding: 0 0 96px; }
.mt-sm  { margin-top: 8px; }
.mt-md  { margin-top: 16px; }
.mt-lg  { margin-top: 24px; }
.mt-xl  { margin-top: 32px; }
.mw-18c { max-width: 18ch; }
.mw-22c { max-width: 22ch; }
.mw-60c { max-width: 60ch; }
.pos-rel { position: relative; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

.trust-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.btn-xl { padding: 16px 28px; font-size: 17px; border-radius: var(--r-3); }

.stack-sm { display: flex; flex-direction: column; gap: 10px; }
.stack-md { display: flex; flex-direction: column; gap: 16px; }

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 24px;
}

.info-card h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 10px;
}

.info-card p {
  margin-top: 10px;
  color: var(--text-2);
  font-size: 14px;
}

.account-shell {
  padding: 64px 0;
}

.account-hero {
  max-width: 70ch;
}

.account-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.account-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6c95ff, #4f80ff);
  color: #fff;
  display: grid; place-items: center;
  font-size: 18px; font-weight: 600;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.account-ident { flex: 1; min-width: 200px; }
.account-ident .nm {
  font-size: 20px; font-weight: 600;
  color: var(--text); letter-spacing: -0.015em;
  display: flex; align-items: center; gap: 10px;
}
.account-ident .em {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px; color: var(--text-3);
}
.account-topbar-actions { display: flex; gap: 8px; }

.account-tabs {
  margin-top: 28px;
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border);
}
.account-tab {
  padding: 10px 16px;
  font-size: 13px; font-weight: 500;
  color: var(--text-3);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s;
}
.account-tab:hover { color: var(--text); }
.account-tab.active {
  color: var(--text);
  border-bottom-color: var(--blue);
}

.account-section-title {
  margin: 36px 0 14px;
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}
.account-inline-actions {
  margin-top: 16px;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.account-pm {
  display: flex; align-items: center; gap: 14px;
  margin-top: 14px;
}
.account-pm .pm-brand {
  width: 46px; height: 30px;
  border-radius: 5px;
  background: var(--surface-3);
  border: 1px solid var(--border-2);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 9px; font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-2);
}
.account-pm .pm-meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-2); }
.account-pm .pm-meta .sub { display: block; font-size: 10px; color: var(--text-4); margin-top: 2px; }

.account-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.account-card,
.account-surface {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 24px;
}

.account-card h3,
.account-surface h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 8px;
}

.account-card p,
.account-surface p {
  margin-top: 10px;
  color: var(--text-2);
}

.account-meta-row {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-3);
  text-transform: uppercase;
}

.account-meta-row strong {
  color: var(--text);
  font-size: 12px;
}

.account-surface + .account-surface {
  margin-top: 16px;
}

.account-surface-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.account-surface-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.account-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

.account-surface-grid strong {
  font-size: 16px;
  color: var(--text);
}

.account-table-wrap {
  margin-top: 20px;
  overflow-x: auto;
}

.account-table {
  width: 100%;
  border-collapse: collapse;
}

.account-table th,
.account-table td {
  text-align: left;
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
}

.account-table th {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.account-table td {
  color: var(--text-2);
}

.callout {
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: var(--r-3);
  border: 1px solid var(--blue-border);
  background: var(--blue-faint);
  color: var(--text-2);
}

.callout strong {
  color: var(--text);
}

/* ─────────── Download page ─────────── */
.dl-hero {
  padding: 80px 0 64px;
  text-align: center;
  position: relative;
}
.dl-primary {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.dl-primary-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-3);
  text-transform: uppercase;
}
.dl-platforms {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: left;
}
.dl-platform {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color .2s;
}
.dl-platform.detected {
  border-color: var(--blue-border);
  background: linear-gradient(160deg, rgba(79,128,255,0.05), var(--surface));
}
.dl-platform-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.dl-platform-ico {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--surface-3);
  border: 1px solid var(--border-2);
  display: grid; place-items: center;
  color: var(--text-2);
  flex-shrink: 0;
}
.dl-platform.detected .dl-platform-ico {
  background: var(--blue-faint);
  border-color: var(--blue-border);
  color: var(--blue);
}
.dl-platform-name {
  font-size: 16px; font-weight: 600;
  color: var(--text); letter-spacing: -0.01em;
}
.dl-platform-req {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.1em;
  color: var(--text-3); text-transform: uppercase;
  margin-top: 2px;
}
.dl-platform .dl-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--blue); background: var(--blue-faint);
  border: 1px solid var(--blue-border);
  padding: 2px 8px; border-radius: 999px;
  width: fit-content;
}
.dl-platform-specs {
  display: flex; flex-direction: column; gap: 6px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.dl-platform-spec {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px;
}
.dl-platform-spec .k { color: var(--text-3); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; }
.dl-platform-spec .v { color: var(--text-2); font-family: var(--font-mono); font-size: 11px; }

.dl-sysreq {
  margin-top: 64px;
  padding: 40px 0;
  border-top: 1px solid var(--hairline);
}
.dl-sysreq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.dl-req-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 20px;
}
.dl-req-block h4 {
  font-size: 13px; font-weight: 600;
  color: var(--text); letter-spacing: -0.01em;
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.dl-req-block ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 8px;
}
.dl-req-block ul li {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-3); letter-spacing: 0.04em;
  display: flex; align-items: flex-start; gap: 8px;
}
.dl-req-block ul li::before {
  content: '-'; color: var(--border-3); flex-shrink: 0;
}

@media (max-width: 860px) {
  .dl-platforms  { grid-template-columns: 1fr; }
  .dl-sysreq-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .account-card-grid,
  .account-surface-grid { grid-template-columns: 1fr; }
}

/* responsive */
@media (max-width: 1100px) {
  .nav-cta .btn-ghost { display: none; }
}
@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-cta .btn-quiet { display: none; }
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 64px 0; }
}