/* ============================================================
   TubePilot — Shared Cyber Design System
   Brand DNA pulled from the 6 original screenshots.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=Noto+Sans+JP:wght@400;500;700&family=Space+Grotesk:wght@500;700&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  /* --- base / surfaces --- */
  --bg:        #07070d;
  --bg-2:      #0a0a14;
  --panel:     #0e0e1a;
  --panel-2:   #12121f;
  --card:      #11111c;
  --line:      rgba(255,255,255,0.08);
  --line-2:    rgba(255,255,255,0.14);

  /* --- text --- */
  --ink:       #f4f5fb;
  --ink-soft:  #c7c9d9;
  --muted:     #8b8ea6;
  --muted-2:   #62647a;

  /* --- brand accents --- */
  --purple:    #a855f7;
  --violet:    #8b5cf6;
  --magenta:   #d946ef;
  --pink:      #e23ec0;
  --cyan:      #2dd4ee;
  --blue:      #4b8cf5;
  --sky:       #56b6f0;
  --amber:     #f5b23f;
  --gold:      #f0c14b;
  --green:     #34d399;

  /* --- signature gradients --- */
  --grad-logo:    linear-gradient(135deg, #8b5cf6 0%, #2dd4ee 100%);
  --grad-cta:     linear-gradient(120deg, #c026d3 0%, #8b5cf6 55%, #6d6df6 100%);
  --grad-cyan:    linear-gradient(135deg, #2dd4ee, #4b8cf5);
  --grad-magenta: linear-gradient(135deg, #d946ef, #8b5cf6);
  --grad-amber:   linear-gradient(135deg, #f5b23f, #e2683e);
  --grad-green:   linear-gradient(135deg, #34d399, #2dd4ee);

  --glow-purple: 0 0 0 1px rgba(168,85,247,.35), 0 20px 60px -18px rgba(139,92,246,.55);

  /* --- geometry --- */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 20px;
  --r-xl: 26px;
  --maxw: 1200px;

  --ff-display: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --ff-body:    'Noto Sans JP', sans-serif;
  --ff-mono:    'Space Grotesk', 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ff-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- atmosphere / textures ---------- */
.tp-grid {
  background-image:
    linear-gradient(rgba(123,135,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123,135,255,.05) 1px, transparent 1px);
  background-size: 46px 46px;
}
.tp-glow {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: .5; pointer-events: none; z-index: 0;
}
.tp-noise::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- layout ---------- */
.tp-wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 2; }
.tp-section { padding: 110px 0; position: relative; }
.tp-section.tight { padding: 74px 0; }

/* ---------- nav ---------- */
.tp-nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7,7,13,.72);
  border-bottom: 1px solid var(--line);
}
.tp-nav-in { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.tp-brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 19px; letter-spacing: .2px; }
.tp-logo {
  width: 38px; height: 38px; border-radius: 11px; background: var(--grad-logo);
  display: grid; place-items: center; font-family: var(--ff-mono); font-weight: 700;
  color: #07070d; font-size: 20px; box-shadow: 0 8px 22px -8px rgba(45,212,238,.7);
}
.tp-navlinks { display: flex; align-items: center; gap: 30px; font-size: 15px; color: var(--ink-soft); }
.tp-navlinks a:hover { color: #fff; }
@media (max-width: 760px){ .tp-navlinks a:not(.tp-btn){ display:none; } }

/* ---------- buttons ---------- */
.tp-btn {
  display: inline-flex; align-items: center; gap: 9px; cursor: pointer;
  font-family: var(--ff-body); font-weight: 700; font-size: 15px;
  padding: 13px 22px; border-radius: 999px; border: 1px solid var(--line-2);
  color: var(--ink); background: rgba(255,255,255,.03); transition: .18s ease;
  white-space: nowrap;
}
.tp-btn:hover { border-color: var(--line-2); background: rgba(255,255,255,.07); transform: translateY(-1px); }
.tp-btn-primary {
  background: var(--grad-cta); border: none; color: #fff;
  box-shadow: 0 14px 34px -12px rgba(168,85,247,.8);
}
.tp-btn-primary:hover { filter: brightness(1.08); box-shadow: 0 18px 40px -10px rgba(168,85,247,.9); }
.tp-btn-lg { padding: 16px 28px; font-size: 16px; }
.tp-btn-ghost { background: transparent; }

/* ---------- eyebrow / labels ---------- */
.tp-eyebrow {
  font-family: var(--ff-mono); font-weight: 700; font-size: 13px;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--sky); display: inline-flex; align-items: center; gap: 10px;
}
.tp-eyebrow.magenta { color: var(--magenta); }
.tp-eyebrow.amber   { color: var(--amber); }
.tp-eyebrow.green   { color: var(--green); }
.tp-eyebrow::before { content:""; width: 26px; height: 2px; background: currentColor; opacity:.7; display:inline-block; }
.tp-eyebrow.no-line::before { display:none; }

/* ---------- type ---------- */
.tp-h1 { font-family: var(--ff-display); font-weight: 900; line-height: 1.06; letter-spacing: -.01em;
  font-size: clamp(40px, 5.4vw, 72px); margin: 0; }
.tp-h2 { font-family: var(--ff-display); font-weight: 900; line-height: 1.12; letter-spacing: -.01em;
  font-size: clamp(30px, 3.8vw, 50px); margin: 0; }
.tp-h3 { font-family: var(--ff-display); font-weight: 700; line-height: 1.25; font-size: clamp(19px, 1.6vw, 23px); margin: 0; }
.tp-lead { color: var(--muted); font-size: clamp(15px, 1.2vw, 18px); line-height: 1.85; }
.tp-mark { background: linear-gradient(120deg, rgba(217,70,239,.32), rgba(139,92,246,.32)); color:#fff;
  padding: 0 .15em; border-radius: 4px; font-weight: 700; }
.grad-text { background: var(--grad-logo); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-text-cta { background: var(--grad-cta); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- card ---------- */
.tp-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px; position: relative; transition: .2s ease;
}
.tp-card:hover { border-color: var(--line-2); transform: translateY(-3px); }
.tp-card .tp-num {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  font-family: var(--ff-mono); font-weight: 700; color: #fff; font-size: 15px;
}

/* ---------- chips ---------- */
.tp-chip {
  display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500;
  padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line-2);
  background: rgba(255,255,255,.03); color: var(--ink-soft);
}

/* ---------- footer ---------- */
.tp-foot { border-top: 1px solid var(--line); padding: 30px 0; color: var(--muted-2); font-size: 13px; }

/* ---------- app mock primitives (reused) ---------- */
.mock {
  background: linear-gradient(170deg,#13131f,#0c0c15); border: 1px solid var(--line-2);
  border-radius: var(--r-lg); box-shadow: 0 40px 90px -30px rgba(0,0,0,.8); overflow: hidden;
}
.mock-bar { display:flex; align-items:center; gap:8px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.mock-dot { width: 11px; height: 11px; border-radius: 50%; }
.mock-thumb { aspect-ratio: 16/10; border-radius: 8px; background: var(--grad-magenta); position: relative; overflow:hidden; }
.mock-thumb::after { content:""; position:absolute; width:46px; height:46px; border-radius:50%; background: radial-gradient(circle,#ffe9a8,#f5b23f 60%,transparent 70%);
  right: 22%; top: 30%; filter: blur(2px); }
.skl { height: 9px; border-radius: 5px; background: rgba(255,255,255,.1); }

/* ---------- reveal ---------- */
/* Visible, permanently. This environment does not advance opacity transitions OR
   animations, so reveal MUST NOT gate opacity behind any time-based effect. */
.reveal { opacity: 1; }

/* ---------- utilities ---------- */
.tp-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.tp-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.tp-grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
@media (max-width: 980px){ .tp-grid-3,.tp-grid-4 { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 620px){ .tp-grid-3,.tp-grid-4,.tp-grid-2 { grid-template-columns: 1fr;} }
.muted { color: var(--muted); }
.center { text-align: center; }
.stack-sm > * + * { margin-top: 10px; }