/* ============================================================================
   SV Academy — Shared Design System  (sv.css)
   Single source of truth for the public marketing site.
   Brand: green #16A34A + navy #0F1B2D. Fonts: Outfit + JetBrains Mono.
   The terminal >_ logo + traffic-dot motif stay identical (defined inline per page).
   Dark theme is default; [data-theme="light"] overrides. EN/TH via [data-i18n].
   ========================================================================== */

/* ---- Tokens ------------------------------------------------------------- */
:root {
  /* ════ INK RAMP — green-tinted blacks, one family, shaded (terminal-logo dark) ════ */
  --ink-950: #070C09;   /* page base — near-black with a green whisper */
  --ink-900: #0C1410;   /* alternating section bg */
  --ink-800: #121B16;   /* primary surface */
  --ink-700: #18241E;   /* raised cards */
  --ink-600: #203028;   /* card hover / elevated */
  --ink-500: #324439;   /* strong borders on dark */
  --page:    var(--ink-950);

  /* Legacy aliases → ramp steps (existing selectors keep working) */
  --navy:    var(--ink-800);
  --navy-2:  var(--ink-900);
  --navy-3:  var(--ink-950);
  --surface: var(--ink-700);
  --surface-hover: var(--ink-600);
  --surface-2: rgba(50,68,57,0.19);   /* faint wash (ink-500 @ 19%) */

  /* TEXT ON DARK — 3 levels, green-grey family (never pure white walls) */
  --text-hi:  #F1F6F2;
  --text-mid: #A9BAAE;
  --text-low: #6F8276;
  --text:   var(--text-hi);
  --text-2: var(--text-mid);
  --text-3: var(--text-low);
  --on-accent: #FFFFFF;

  /* Lines + glass + shades — same green-grey family */
  --line:        rgba(173,199,183,0.13);
  --line-2:      rgba(173,199,183,0.21);
  --line-strong: var(--ink-500);
  --glass:       rgba(7,12,9,0.72);
  --scrim:       rgba(5,9,7,0.55);
  --shade:       rgba(0,0,0,0.16);
  --grid-line:   rgba(173,199,183,0.05);
  --scanline:    rgba(74,222,128,0.05);
  --device-screen: #000;

  /* FLIP — contrast sections: SAME palette, lifted one step + green-washed
     (never a jump to white; "shade it out" instead) */
  --paper:      #F5FAF6;   /* light-THEME page only */
  --paper-warm: #F7FAF3;
  --card-light: #FFFFFF;
  --flip-bg:        var(--ink-900);
  --flip-bg-warm:   #0C120D;
  --flip-card:      var(--ink-700);
  --flip-card-hover: var(--ink-600);
  --flip-text:      var(--text-hi);
  --flip-text-2:    var(--text-mid);
  --flip-text-3:    var(--text-low);
  --flip-line:      rgba(34,197,94,0.16);
  --flip-line-2:    rgba(34,197,94,0.26);
  --flip-wash:      rgba(34,197,94,0.05);
  --flip-glow:      rgba(34,197,94,0.07);   /* the section's radial green wash */
  --flip-warm-glow: rgba(254,188,46,0.045); /* warm variant: whisper of the amber dot */
  --flip-green-text: var(--green-400);
  --flip-link:       var(--green-400);
  --flip-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 24px 60px -28px rgba(2,6,4,0.7);

  /* GREEN — the one accent: act / build / live */
  --green-600: #16A34A;   /* frozen — CTAs, the >_ prompt */
  --green-500: #22C55E;   /* small text / icons on dark */
  --green-400: #4ADE80;   /* glows, live pulse, links-on-dark hover */
  --green-text:#15803D;   /* green text on light surfaces */
  --green:        var(--green-600);
  --green-bright: var(--green-500);
  --green-deep:   #0F7D38;
  --green-soft:   rgba(34,197,94,0.12);
  --green-softer: rgba(34,197,94,0.06);
  --green-line:   rgba(34,197,94,0.34);
  --green-glow:   rgba(34,197,94,0.16);
  --link:        var(--green-bright);
  --link-hover:  var(--green-400);

  /* SIGNALS — the logo's traffic dots (status + tiny info chips ONLY) */
  --signal-red:   #FF5F57;
  --signal-amber: #FEBC2E;
  --signal-green: #28C840;
  --signal-red-soft:   rgba(255,95,87,0.15);
  --signal-amber-soft: rgba(254,188,46,0.14);
  --info:      var(--signal-amber);          /* info chips: the amber dot, used sparingly */
  --info-soft: rgba(254,188,46,0.08);
  --info-line: rgba(254,188,46,0.30);

  /* GRADIENTS — tonal green, deep LEFT → bright RIGHT */
  --grad-brand:   linear-gradient(90deg, #16A34A, #4ADE80);
  --grad-surface: linear-gradient(180deg, #0C1410, #070C09);

  /* Logo (matches existing inline SVG vars) */
  --logo-bg:     #0c0c14;
  --logo-border: #1a1a2e;
  --logo-sv:     #ffffff;

  /* Type scale */
  --f-display: clamp(2.75rem, 6.4vw, 6rem);
  --f-h1:      clamp(2.1rem, 4.6vw, 3.6rem);
  --f-h2:      clamp(1.6rem, 3vw, 2.6rem);
  --f-h3:      clamp(1.2rem, 1.8vw, 1.55rem);
  --f-lede:    clamp(1.05rem, 1.5vw, 1.3rem);
  --f-body:    1rem;
  --f-small:   0.875rem;

  /* Spacing scale */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px; --s5: 24px;
  --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px; --s10: 128px;

  /* Radii */
  --r-sm: 10px; --r: 16px; --r-lg: 24px; --r-pill: 999px;

  /* Layout */
  --container: 1200px;
  --container-narrow: 880px;

  /* Motion */
  --ease:        cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-inout:  cubic-bezier(0.65, 0, 0.35, 1);
  --dur-reveal:  0.7s;
  --dur:         0.3s;
  --dur-fast:    0.18s;

  /* Shadows (soft, no neon) */
  --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 24px 60px -28px rgba(2,8,4,0.72);
  --shadow-pop:  0 30px 80px -30px rgba(2,8,4,0.82);
  --shadow-cta:  0 14px 36px -12px rgba(22,163,74,0.45);
}

[data-theme="light"] {
  --page:    var(--paper);
  --navy:    #FFFFFF;
  --navy-2:  #ECF3EE;
  --navy-3:  #E3EDE6;
  --surface: #FFFFFF;
  --surface-hover: #F1F7F2;
  --surface-2: rgba(14,24,19,0.03);
  --text:    #0E1813;
  --text-2:  #46584C;
  --text-3:  #66786C;
  --line:    rgba(14,24,19,0.10);
  --line-2:  rgba(14,24,19,0.18);
  --line-strong: #C7D6CB;
  --glass:   rgba(245,250,246,0.82);
  --scrim:   rgba(14,24,19,0.32);
  --shade:   rgba(14,24,19,0.05);
  --grid-line: rgba(14,24,19,0.04);
  /* FLIP in light mode: SAME light family, one step deeper + green-washed
     (never a jump to black — same "shade it out" rule, mirrored) */
  --flip-bg:       #E8F1EA;
  --flip-bg-warm:  #ECF1E4;
  --flip-card:     #FFFFFF;
  --flip-card-hover: #F1F7F2;
  --flip-text:     #0E1813;
  --flip-text-2:   #46584C;
  --flip-text-3:   #66786C;
  --flip-line:     rgba(22,163,74,0.20);
  --flip-line-2:   rgba(22,163,74,0.30);
  --flip-wash:     rgba(22,163,74,0.05);
  --flip-glow:     rgba(22,163,74,0.08);
  --flip-warm-glow: rgba(176,124,8,0.05);
  --flip-green-text: var(--green-text);
  --flip-link:       var(--green-text);
  --flip-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 18px 44px -26px rgba(14,24,19,0.22);
  --link:       var(--green-text);
  --link-hover: var(--green-600);
  --green-soft:   rgba(22,163,74,0.10);
  --green-softer: rgba(22,163,74,0.05);
  --green-line:   rgba(22,163,74,0.30);
  --green-glow:   rgba(22,163,74,0.10);
  --info-soft: rgba(176,124,8,0.10);
  --info-line: rgba(176,124,8,0.32);
  --info:      #9A6C06;   /* amber TEXT on light needs a deep ochre to pass AA */
  --logo-bg:     #f0f1f5;
  --logo-border: #c7cbd1;
  --logo-sv:     #0a0a12;
  --shadow-card: 0 1px 0 rgba(255,255,255,0.6) inset, 0 18px 44px -26px rgba(14,24,19,0.28);
  --shadow-pop:  0 30px 70px -30px rgba(14,24,19,0.30);
}

/* ---- Reset / base ------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
/* The [hidden] attribute must always win, even over components that set
   their own display (e.g. flex cards toggled open by JS). */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
/* Kill horizontal scroll site-wide. body alone isn't enough on iOS, where
   position:fixed elements (the mobile nav drawer) are viewport-relative and
   can drag the viewport sideways — clipping at the root stops that. */
html { overflow-x: hidden; }
html.lang-loading body { visibility: hidden; }

body {
  font-family: 'Outfit', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--page);
  color: var(--text);
  font-size: var(--f-body);
  line-height: 1.7;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }
::selection { background: var(--green); color: var(--on-accent); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 4px; }

/* Theme circle-reveal overlay (reused from existing toggle behaviour) */
#sv-theme-reveal {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none;
  display: none; will-change: clip-path;
}
#sv-theme-reveal.active { display: block; }

/* ---- Layout ------------------------------------------------------------ */
.sv-container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(20px, 5vw, 40px); }
.sv-narrow    { max-width: var(--container-narrow); }
.sv-section   { padding-block: clamp(64px, 11vw, 140px); position: relative; }
.sv-section--tight { padding-block: clamp(48px, 8vw, 96px); }

/* ---- Typography -------------------------------------------------------- */
.sv-display {
  font-size: var(--f-display); font-weight: 800; line-height: 1.02;
  letter-spacing: -0.04em; text-wrap: balance;
}
.sv-h1 { font-size: var(--f-h1); font-weight: 800; line-height: 1.05; letter-spacing: -0.035em; text-wrap: balance; }
.sv-h2 { font-size: var(--f-h2); font-weight: 700; line-height: 1.1;  letter-spacing: -0.03em;  text-wrap: balance; }
.sv-h3 { font-size: var(--f-h3); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; }
.sv-lede { font-size: var(--f-lede); color: var(--text-2); font-weight: 400; line-height: 1.6; max-width: 60ch; }
.sv-body { color: var(--text-2); line-height: 1.75; max-width: 65ch; }
.sv-muted { color: var(--text-3); }
.sv-accent { color: var(--green); }
.sv-balance { text-wrap: balance; }

/* Mono label:  > the program  */
.sv-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.28em; text-transform: uppercase; color: var(--text-3);
  display: inline-flex; align-items: center; gap: 0.55em;
}
.sv-label::before { content: '>'; color: var(--green); opacity: 0.85; font-weight: 700; }
.sv-label--plain::before { content: none; }

.sv-mono { font-family: 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums; }

/* ---- Buttons ----------------------------------------------------------- */
.sv-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55em;
  font-weight: 600; font-size: 1rem; line-height: 1; white-space: nowrap;
  padding: 16px 28px; border-radius: var(--r-pill);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease),
              border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), color var(--dur) var(--ease);
}
.sv-btn svg { width: 1.05em; height: 1.05em; transition: transform var(--dur) var(--ease); }
.sv-btn:hover svg { transform: translateX(3px); }

.sv-btn--primary { background: var(--green); color: var(--on-accent); box-shadow: var(--shadow-cta); }
.sv-btn--primary:hover { background: var(--green-bright); transform: translateY(-2px); }
.sv-btn--primary:active { transform: translateY(0); }

.sv-btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--line-2); }
.sv-btn--ghost:hover { border-color: var(--green-line); color: var(--green); transform: translateY(-2px); }

/* arrow/text links are BLUE — green is reserved for actions */
.sv-btn--link { padding: 0; background: none; color: var(--link); font-weight: 600; border-radius: 4px; }
.sv-btn--link:hover { color: var(--link-hover); }

/* the one signature gradient CTA (Demo Day) — green LEFT → blue RIGHT */
.sv-btn--grad { background: var(--grad-brand); color: var(--on-accent); box-shadow: var(--shadow-cta); }
.sv-btn--grad:hover { filter: brightness(1.1); transform: translateY(-2px); }
.sv-btn--grad:active { transform: translateY(0); }

.sv-btn--lg { padding: 19px 36px; font-size: 1.08rem; }
.sv-btn--block { width: 100%; }

/* ---- Status badge:  > cohort_01: [FULL] -------------------------------- */
.sv-status {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.04em; color: var(--text-2);
  background: var(--green-softer); border: 1px solid var(--green-line);
  padding: 8px 16px; border-radius: var(--r-pill); white-space: nowrap;
}
.sv-status .sv-status-key { color: var(--text-3); }
/* [FULL] is a STATUS — signal red, like the logo's traffic dot */
.sv-status .sv-status-val { color: var(--signal-red); font-weight: 700; }
.sv-status .sv-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--green-400);
  box-shadow: 0 0 0 0 var(--green-glow); animation: sv-pulse 2.4s var(--ease-inout) infinite;
}
@keyframes sv-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,0.45); }
  70%  { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

/* Generic chip / tag */
.sv-chip {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-size: 0.8rem; font-weight: 500; color: var(--text-2);
  background: var(--green-softer); border: 1px solid var(--line);
  padding: 6px 14px; border-radius: var(--r-pill);
}
/* info chip — the AMBER dot (tiny, sparing), so green stays the action color */
.sv-chip--info {
  color: var(--info); background: var(--info-soft); border-color: var(--info-line);
}

/* ---- Cards ------------------------------------------------------------- */
.sv-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: clamp(24px, 3vw, 36px);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.sv-card--hover:hover { transform: translateY(-6px); border-color: var(--green-line); box-shadow: var(--shadow-pop); }

/* Numbered terminal card (used for First Ten + steps) */
.sv-tcard {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 22px;
  font-family: 'JetBrains Mono', monospace;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.sv-tcard:hover { border-color: var(--green-line); transform: translateY(-4px); }

/* ---- Grids ------------------------------------------------------------- */
.sv-grid { display: grid; gap: clamp(16px, 2.2vw, 28px); }
.sv-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sv-grid--2 { grid-template-columns: repeat(2, 1fr); }
.sv-grid--auto { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.sv-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 6vw, 80px); align-items: center; }

@media (max-width: 860px) {
  .sv-grid--3, .sv-grid--2, .sv-split { grid-template-columns: 1fr; }
}

/* ---- Hairline divider with prompt -------------------------------------- */
.sv-rule { height: 1px; background: var(--line); position: relative; }

/* ---- Wordmark credibility row ------------------------------------------ */
.sv-wordmarks {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: clamp(18px, 4vw, 52px);
}
.sv-wordmark {
  font-weight: 600; font-size: clamp(0.95rem, 1.6vw, 1.2rem); letter-spacing: 0.02em;
  color: var(--text-2); opacity: 0.9; white-space: nowrap;
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.sv-wordmark:hover { color: var(--text); opacity: 1; }

/* ---- Countdown --------------------------------------------------------- */
.sv-countdown { display: inline-flex; gap: clamp(10px, 2vw, 22px); align-items: flex-start; }
.sv-cd-unit { display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 56px; }
.sv-cd-num {
  font-family: 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums;
  font-size: clamp(1.8rem, 4.4vw, 3rem); font-weight: 700; line-height: 1; color: var(--text);
  letter-spacing: -0.02em;
}
.sv-cd-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3);
}
.sv-cd-sep { font-size: clamp(1.6rem, 4vw, 2.6rem); color: var(--green); opacity: 0.5; line-height: 1.1; font-weight: 300; }
.sv-countdown--live .sv-cd-num { color: var(--green); }
/* urgency (<48h to Demo Day): numbers go signal-amber */
.sv-countdown.is-urgent .sv-cd-num { color: var(--signal-amber); }

/* ---- Form fields ------------------------------------------------------- */
.sv-field { display: flex; flex-direction: column; gap: 8px; }
.sv-field-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.06em; color: var(--text-2);
}
.sv-field-label .sv-req { color: var(--green); }
.sv-input, .sv-select {
  width: 100%; background: var(--surface-2); color: var(--text);
  border: 1px solid var(--line-2); border-radius: var(--r-sm);
  padding: 13px 15px; font-size: 0.98rem; outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
[data-theme="dark"] .sv-input, [data-theme="dark"] .sv-select { background: rgba(255,255,255,0.03); }
.sv-input::placeholder { color: var(--text-3); }
.sv-input:focus, .sv-select:focus { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }
.sv-input.sv-err, .sv-select.sv-err { border-color: var(--signal-red); box-shadow: 0 0 0 3px var(--signal-red-soft); }
.sv-select {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 6 5-6' stroke='%2316A34A' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center;
}

/* ---- Nav (injected by sv-ui.js) --------------------------------------- */
.sv-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 14px clamp(20px, 5vw, 40px);
  background: transparent; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.sv-nav.is-scrolled {
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.sv-brand { display: flex; align-items: center; gap: 11px; }
.sv-brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.sv-brand-name { font-size: 0.95rem; font-weight: 700; letter-spacing: -0.01em; color: var(--text); }
.sv-brand-sub  { font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; color: var(--text-3); }
.sv-nav-links { display: flex; align-items: center; gap: clamp(14px, 1.9vw, 28px); }
.sv-nav-link {
  font-size: 0.92rem; font-weight: 500; color: var(--text-2); position: relative;
  padding-block: 4px; transition: color var(--dur) var(--ease);
}
.sv-nav-link::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1.5px;
  background: var(--green); transition: right var(--dur) var(--ease);
}
.sv-nav-link:hover { color: var(--text); }
.sv-nav-link:hover::after, .sv-nav-link.is-active::after { right: 0; }
.sv-nav-link.is-active { color: var(--text); }
.sv-nav-actions { display: flex; align-items: center; gap: 10px; }

.sv-icon-btn {
  width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid var(--line); color: var(--text-2);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.sv-icon-btn:hover { border-color: var(--green-line); color: var(--text); }
.sv-lang-btn { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; font-weight: 700; width: auto; padding-inline: 12px; }
.sv-nav-cta { padding: 11px 20px; font-size: 0.9rem; }
.sv-burger { display: none; }

/* Mobile menu */
.sv-mobile {
  position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); z-index: 70;
  background: var(--navy-2); border-left: 1px solid var(--line);
  transform: translateX(100%); transition: transform 0.4s var(--ease);
  display: flex; flex-direction: column; gap: 4px; padding: 88px 28px 28px;
}
.sv-mobile.is-open { transform: translateX(0); }
.sv-mobile a { font-size: 1.15rem; font-weight: 600; color: var(--text); padding: 14px 0; border-bottom: 1px solid var(--line); }
.sv-mobile .sv-btn { margin-top: 18px; }
.sv-scrim {
  position: fixed; inset: 0; z-index: 65; background: var(--scrim);
  opacity: 0; pointer-events: none; transition: opacity var(--dur) var(--ease);
  backdrop-filter: blur(2px);
}
.sv-scrim.is-open { opacity: 1; pointer-events: auto; }

/* Full nav needs ~1070px; below that (incl. iPad portrait + landscape) use the
   burger so the bar never overflows / jumbles. */
@media (max-width: 1080px) {
  .sv-nav-links { display: none; }
  .sv-nav-cta { display: none; }
  .sv-burger { display: inline-flex; }
}

/* ---- Footer (injected) ------------------------------------------------- */
.sv-footer { background: var(--navy-3); border-top: 1px solid var(--line); padding: clamp(48px, 7vw, 80px) 0 36px; }
.sv-footer-top { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.sv-footer-nav { display: flex; flex-wrap: wrap; gap: 14px 30px; }
.sv-footer-nav a { font-size: 0.92rem; color: var(--text-2); transition: color var(--dur) var(--ease); }
.sv-footer-nav a:hover { color: var(--link); }
.sv-footer-bottom {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center;
}
.sv-footer-meta { font-family: 'JetBrains Mono', monospace; font-size: 0.74rem; color: var(--text-3); }
.sv-social { display: flex; gap: 10px; margin-top: 18px; }
.sv-social a { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 11px;
               border: 1px solid var(--line); color: var(--text-2); transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease); }
.sv-social a:hover { color: var(--green); border-color: var(--green-line); background: var(--green-softer); transform: translateY(-2px); }

/* ---- Motion: scroll reveals ------------------------------------------- */
.sv-reveal { opacity: 0; transform: translateY(22px); will-change: opacity, transform; }
.sv-reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity var(--dur-reveal) var(--ease), transform var(--dur-reveal) var(--ease);
  transition-delay: var(--sv-delay, 0ms);
}

/* Ambient hero glow — soft, low opacity, never neon */
.sv-glow {
  position: absolute; pointer-events: none; border-radius: 50%;
  filter: blur(90px); opacity: 0.5; z-index: 0;
}
.sv-grid-overlay {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 35%, #000 30%, transparent 78%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 35%, #000 30%, transparent 78%);
}

/* ---- Aurora — HERO ONLY: fixed green wash upper-LEFT, blue lower-RIGHT ---- */
.sv-aurora { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.sv-aurora::before, .sv-aurora::after {
  content: ''; position: absolute; width: clamp(420px, 56vw, 880px); height: clamp(420px, 56vw, 880px);
  border-radius: 50%; filter: blur(110px);
}
.sv-aurora::before { background: radial-gradient(circle, rgba(34,197,94,0.10), transparent 65%); top: -18%; left: -10%; }
.sv-aurora::after  { background: radial-gradient(circle, rgba(254,188,46,0.05), transparent 65%); bottom: -24%; right: -12%; }
[data-theme="light"] .sv-aurora::before { background: radial-gradient(circle, rgba(22,163,74,0.07), transparent 65%); }
[data-theme="light"] .sv-aurora::after  { background: radial-gradient(circle, rgba(176,124,8,0.05), transparent 65%); }

/* ---- Gradient discipline (≤3 per page) ---------------------------------- */
/* brand bar under section H2s */
.sv-h2-bar::after {
  content: ''; display: block; width: 54px; height: 3px; border-radius: 2px;
  background: var(--grad-brand); margin-top: 16px;
}
.sv-center .sv-h2-bar::after, .sv-h2-bar.sv-center::after { margin-inline: auto; }
/* milestone numbers */
.sv-grad-num {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}

/* ---- Flip section — contrast band in the SAME palette: lifted one ramp
       step and washed with a soft radial green ("shaded out", never white) -- */
.sv-flip {
  background:
    radial-gradient(110% 75% at 50% 0%, var(--flip-glow), transparent 62%),
    var(--flip-bg);
  color: var(--flip-text);
  --text:   var(--flip-text);
  --text-2: var(--flip-text-2);
  --text-3: var(--flip-text-3);
  --line:   var(--flip-line);
  --line-2: var(--flip-line-2);
  --navy:   var(--flip-bg);
  --navy-2: var(--flip-card);
  --navy-3: var(--flip-bg);
  --surface: var(--flip-card);
  --surface-hover: var(--flip-card-hover);
  --surface-2: var(--flip-wash);
  --green-softer: var(--flip-wash);
  --shadow-card: var(--flip-shadow);
  --link: var(--flip-link);
}
/* warm variant: a whisper of the amber dot in the wash (editorial moments) */
.sv-flip--warm {
  background:
    radial-gradient(110% 75% at 50% 0%, var(--flip-warm-glow), transparent 60%),
    radial-gradient(90% 60% at 50% 100%, var(--flip-glow), transparent 60%),
    var(--flip-bg-warm);
}
.sv-flip .sv-accent { color: var(--flip-green-text); }
.sv-flip .sv-label::before { color: var(--flip-green-text); }

/* ---- Reduced motion ---------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important; scroll-behavior: auto !important;
  }
  .sv-reveal { opacity: 1 !important; transform: none !important; }
  .sv-dot { animation: none !important; }
}

/* ---- Small utilities --------------------------------------------------- */
.sv-center { text-align: center; }
.sv-stack { display: flex; flex-direction: column; }
.sv-row { display: flex; align-items: center; }
.sv-wrap { flex-wrap: wrap; }
.sv-gap2 { gap: var(--s2); } .sv-gap3 { gap: var(--s3); } .sv-gap4 { gap: var(--s4); } .sv-gap5 { gap: var(--s5); }
.sv-mt4 { margin-top: var(--s4); } .sv-mt5 { margin-top: var(--s5); } .sv-mt6 { margin-top: var(--s6); } .sv-mt7 { margin-top: var(--s7); }
.sv-mb4 { margin-bottom: var(--s4); } .sv-mb5 { margin-bottom: var(--s5); } .sv-mb6 { margin-bottom: var(--s6); }
.sv-maxw { max-width: 62ch; }
.sv-hide { display: none !important; }

/* ============================================================================
   The First Ten — terminal cards + coverflow carousel (shared: /cohort + home)
   ========================================================================== */
.cc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.cc-bar { display: flex; align-items: center; gap: 6px; padding: 10px 13px; border-bottom: 1px solid var(--line); background: var(--shade); }
.cc-bar .d { width: 8px; height: 8px; border-radius: 50%; }
.cc-handle { margin-left: auto; font-family: 'JetBrains Mono', monospace; font-size: 0.76rem; color: var(--green); font-weight: 600; }
.cc-body { padding: 14px; }
.cc-screen { position: relative; height: 98px; border-radius: 10px; overflow: hidden; color: var(--green-bright);
             background: radial-gradient(135% 130% at 50% -15%, var(--green-soft), transparent 62%), var(--ink-950);
             border: 1px solid var(--line); display: grid; place-items: center; }
.cc-screen::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
             background: repeating-linear-gradient(to bottom, var(--scanline) 0 1px, transparent 1px 3px); }
.cc-screen .sc { width: 76%; height: 66%; overflow: visible; }
.cc-screen svg.sc { display: block; }
.cc-meta { margin-top: 13px; }
.cc-app { font-size: 0.95rem; color: var(--text); font-weight: 600; line-height: 1.3; }
.cc-status { margin-top: 7px; display: flex; align-items: center; gap: 7px; font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--text-3); }
.cc-status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex-shrink: 0; animation: sv-pulse 2.6s var(--ease-inout) infinite; }

/* coverflow carousel */
.sv-cf { display: flex; flex-direction: column; align-items: center; width: 100%; }
.sv-cf-stage { position: relative; width: 100%; max-width: 680px; margin: 0 auto; height: clamp(280px, 80vw, 300px);
               cursor: grab; touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.sv-cf-stage.grabbing { cursor: grabbing; }
.sv-cf .cc { position: absolute; left: 50%; top: 50%; width: clamp(258px, 80vw, 300px);
             transform: translate(-50%,-50%); will-change: transform, opacity; box-shadow: var(--shadow-card);
             transition: transform 0.55s cubic-bezier(0.22,1,0.36,1), opacity 0.45s var(--ease); }
.sv-cf .cc.is-active { border-color: var(--green-line); box-shadow: var(--shadow-pop); }
.sv-cf-nav { margin-top: clamp(18px, 3vw, 28px); display: flex; flex-wrap: nowrap; align-items: center; justify-content: center; gap: 8px; width: 100%; max-width: 620px; margin-inline: auto; }
.sv-cf-arrow { width: 42px; height: 42px; flex-shrink: 0; border-radius: 50%; border: 1px solid var(--line-2); color: var(--text-2);
               display: grid; place-items: center; transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease); }
.sv-cf-arrow:hover { color: var(--text); border-color: var(--green-line); }
.sv-cf-arrow:active { transform: scale(0.93); }
.sv-cf-menu { flex: 1 1 auto; min-width: 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 7px; }
.sv-cf-chip { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 600; padding: 7px 13px; border-radius: var(--r-pill);
              border: 1px solid var(--line); color: var(--text-3); transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.sv-cf-chip:hover { color: var(--text); border-color: var(--line-2); }
.sv-cf-chip[aria-current="true"] { background: var(--green); border-color: var(--green); color: var(--on-accent); }
@media (prefers-reduced-motion: reduce) { .sv-cf .cc { transition-duration: 0.001s; } }

/* ---- the 10 looping app scenes (monochrome green; pathLength-normalized) -- */
.sc * { transform-box: fill-box; }
.sc line, .sc path, .sc rect, .sc circle, .sc polyline { vector-effect: non-scaling-stroke; }
.sc-game .ground { opacity: 0.4; }
.sc-game .player { animation: gameHop 1.15s cubic-bezier(.32,0,.3,1) infinite; transform-origin: center bottom; }
.sc-game .obs { animation: gameScroll 1.55s linear infinite; }
@keyframes gameHop { 0%,52%,100%{transform:translateY(0)} 26%{transform:translateY(-17px)} }
@keyframes gameScroll { from{transform:translateX(6px)} to{transform:translateX(-92px)} }
.sc-weather .rays { animation: spin 9s linear infinite; transform-origin: center; }
.sc-weather .cloud { animation: drift 4.5s ease-in-out infinite; }
.sc-weather .drop { animation: rain 1.5s linear infinite; opacity: 0; }
.sc-weather .drop.d2 { animation-delay: .5s; } .sc-weather .drop.d3 { animation-delay: 1s; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes drift { 0%,100%{transform:translateX(-4px)} 50%{transform:translateX(6px)} }
@keyframes rain { 0%{transform:translateY(-2px);opacity:0} 30%{opacity:.9} 100%{transform:translateY(13px);opacity:0} }
.sc-music { display: flex; align-items: flex-end; justify-content: center; gap: 5px; }
.sc-music i { width: 7px; border-radius: 3px 3px 0 0; background: currentColor; height: 100%; transform-origin: bottom; animation: eq 0.9s ease-in-out infinite alternate; }
.sc-music i:nth-child(1){animation-duration:.7s} .sc-music i:nth-child(2){animation-duration:1.05s}
.sc-music i:nth-child(3){animation-duration:.85s} .sc-music i:nth-child(4){animation-duration:1.2s} .sc-music i:nth-child(5){animation-duration:.95s}
@keyframes eq { 0%{transform:scaleY(.22)} 100%{transform:scaleY(1)} }
.sc-chat { position: relative; }
.sc-chat .typing { position: absolute; left: 8%; top: 20%; display: flex; gap: 4px; }
.sc-chat .typing i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; animation: chatDot 1.2s ease-in-out infinite; }
.sc-chat .typing i:nth-child(2){animation-delay:.2s} .sc-chat .typing i:nth-child(3){animation-delay:.4s}
.sc-chat .bubble { position: absolute; right: 8%; bottom: 12%; width: 50%; height: 34%; border-radius: 9px 9px 3px 9px; background: currentColor; transform-origin: right center; animation: chatBubble 3s ease-in-out infinite; }
@keyframes chatBubble { 0%,55%{transform:scale(0);opacity:0} 66%,92%{transform:scale(1);opacity:1} 100%{transform:scale(1);opacity:0} }
@keyframes chatDot { 0%,100%{transform:translateY(0);opacity:.4} 50%{transform:translateY(-3px);opacity:1} }
.sc-habit .tick { stroke-dasharray: 1; stroke-dashoffset: 1; animation: habitTick 3.6s ease-in-out infinite; }
.sc-habit .tick.t2 { animation-delay: .45s; } .sc-habit .tick.t3 { animation-delay: .9s; }
@keyframes habitTick { 0%,8%{stroke-dashoffset:1} 24%,92%{stroke-dashoffset:0} 100%{stroke-dashoffset:1} }
.sc-timer .prog { stroke-dasharray: 1; stroke-dashoffset: 1; transform: rotate(-90deg); transform-origin: center; animation: timerFill 3s linear infinite; }
@keyframes timerFill { 0%{stroke-dashoffset:1} 90%,100%{stroke-dashoffset:0} }
.sc-draw .art { stroke-dasharray: 1; stroke-dashoffset: 1; animation: drawArt 3.6s ease-in-out infinite; }
@keyframes drawArt { 0%{stroke-dashoffset:1} 55%,82%{stroke-dashoffset:0} 92%,100%{stroke-dashoffset:0;opacity:0} }
.sc-map .route { stroke-dasharray: 4 4; opacity: 0.45; }
.sc-map .mover { offset-path: path('M10 44 C 30 8, 55 60, 86 16'); offset-rotate: 0deg; animation: mapMove 2.8s ease-in-out infinite; }
.sc-map .pin { opacity: 0; transform-origin: center bottom; animation: mapPin 2.8s ease-in-out infinite; }
@keyframes mapMove { 0%{offset-distance:0%} 78%,100%{offset-distance:100%} }
@keyframes mapPin { 0%,68%{opacity:0;transform:scale(.6)} 80%,100%{opacity:1;transform:scale(1)} }
.sc-cam .focus { transform-origin: center; animation: camFocus 2.6s ease-in-out infinite; }
.sc-cam .flash { fill: var(--green-400); opacity: 0; animation: camFlash 2.6s ease-in-out infinite; }
@keyframes camFocus { 0%,100%{transform:scale(1);opacity:.5} 42%,58%{transform:scale(.68);opacity:1} }
@keyframes camFlash { 0%,58%{opacity:0} 62%{opacity:.8} 74%,100%{opacity:0} }
.sc-money .chart { stroke-dasharray: 1; stroke-dashoffset: 1; animation: moneyChart 3.2s ease-in-out infinite; }
.sc-money .coin { transform-origin: center; animation: coinFlip 2.4s ease-in-out infinite; }
@keyframes moneyChart { 0%{stroke-dashoffset:1} 60%,90%{stroke-dashoffset:0} 100%{stroke-dashoffset:0;opacity:.35} }
@keyframes coinFlip { 0%,100%{transform:scaleX(1)} 50%{transform:scaleX(.15)} }
@media (prefers-reduced-motion: reduce) {
  .cc-screen * { animation: none !important; }
  .sc-habit .tick, .sc-timer .prog, .sc-draw .art, .sc-money .chart { stroke-dashoffset: 0 !important; }
  .sc-map .pin, .sc-chat .bubble { opacity: 1 !important; transform: none !important; }
  .sc-map .mover { offset-distance: 100% !important; }
}