/* ============================================================
   HACK THE PLANET — v10 cinematic system (2026-11-05)
   Cinematic Cyberpunk Premium. Deep blacks, layered panels,
   atmospheric light, restrained Cyber Yellow.
   Palette: #050609 / #090B10 / #111722 / #161D29 / #FFD21F
   Type: Space Grotesk / Inter / JetBrains Mono.
   Same class names as v8/v9 — no HTML renames — plus the
   classes that were never styled before (books, auth, profile,
   404, osint sections, blog extras).
   ============================================================ */
:root{
  /* ---- v10 tokens (master prompt §02) ---- */
  --bg:#050609;
  --obsidian:#090B10;
  --surface:#111722;
  --surface-2:#161D29;
  --border:#252D3A;
  --text:#F5F5F5;
  --body:#9299A6;
  --muted:#9299A6;
  --accent:#FFD21F;
  --accent-soft:rgba(255,210,31,.10);
  --accent-line:rgba(255,210,31,.35);
  --accent-border-30:rgba(255,210,31,.30);
  --accent-border-20:rgba(255,210,31,.20);
  --success:#35C98A;
  --warning:#F5A623;
  --error:#F05252;
  --footer-bg:#050609;
  --tg-blue:#229ED9;
  /* ---- spacing scale: 8px grid ---- */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:20px; --s6:24px;
  --s8:32px; --s10:40px; --s12:48px; --s16:64px; --s20:80px; --s24:96px;
  --r-sm:10px; --r-md:12px; --r-lg:16px;
  /* ---- legacy aliases (inline styles + old var names keep working) ---- */
  --line:#252D3A; --neon:#FFD21F; --neon-soft:rgba(255,210,31,.10);
  --neon-line:rgba(255,210,31,.35); --faint:#9299A6; --radius:12px;
  --lime:#FFD21F; --lime-soft:rgba(255,210,31,.10);
  --lime-line:rgba(255,210,31,.35); --lime-border-30:rgba(255,210,31,.30);
  --lime-border-20:rgba(255,210,31,.20);
  --amber:#FFD21F; --amber-10:rgba(255,210,31,.10); --amber-400:#FFE14D; --amber-600:#F5C400;
  --navy-950:#050609; --navy-800:#111722; --card:#111722; --ink:#F5F5F5; --red:#F05252;
  --sh-lg:0 30px 80px rgba(0,0,0,.5); --sh-md:0 18px 44px rgba(0,0,0,.45); --sh-sm:0 8px 24px rgba(0,0,0,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{background:var(--bg);color:var(--body);font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.625;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--accent);color:#050609}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button{font-family:inherit}

/* ---------- type scale ---------- */
h1,h2,h3,h4{color:var(--text);letter-spacing:-.022em;font-weight:700;line-height:1.16;
  font-family:'Space Grotesk','Inter',system-ui,sans-serif}
h1{font-size:56px;line-height:1.1429}
h2{font-size:36px;line-height:1.2222}
h3{font-size:20px;line-height:1.4}
p{color:var(--body)}
.mono{font-family:'JetBrains Mono',monospace}
.neon{color:var(--accent)}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--accent);
  letter-spacing:.14em;margin-bottom:12px;text-transform:uppercase}
.eyebrow::before{content:"> "}

/* ---------- layout ---------- */
.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
section{padding:96px 0;position:relative}
.section{padding:96px 0}
.section-tight{padding:48px 0}
.hide{display:none!important}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#050609;
  padding:10px 18px;font-weight:700;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ============================================================
   BUTTON SYSTEM — single canonical definition
   .btn base = Default (h44). .btn-lg = Large (h48). .btn-sm = Small (h36).
   .btn-neon = Primary · .btn-dark = Secondary · .btn-outline = Tertiary
   ============================================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn svg{width:18px;height:18px;flex:none}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
/* primary: cyber yellow fill, dark text */
.btn-neon{background:var(--accent);color:#050609;
  box-shadow:0 0 22px rgba(255,210,31,.28),0 8px 24px rgba(0,0,0,.35)}
.btn-neon:hover{background:#FFE14D;color:#050609;
  box-shadow:0 0 34px rgba(255,210,31,.45),0 10px 30px rgba(0,0,0,.4)}
/* secondary: transparent, 1px accent-30% border, light text */
.btn-dark{background:transparent;border-color:var(--accent-border-30);color:var(--text)}
.btn-dark:hover{border-color:var(--accent);color:var(--accent);
  box-shadow:0 0 22px rgba(255,210,31,.18)}
/* tertiary */
.btn-outline{background:transparent;border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
/* sizes */
.btn-lg{min-height:48px;padding:0 24px;font-size:15px}
.btn-sm{min-height:36px;padding:0 14px;font-size:14px;border-radius:10px}
.btn-sm svg{width:15px;height:15px}
.btn-block{width:100%}
/* legacy aliases */
.btn-amber{background:var(--accent);color:#050609;
  box-shadow:0 0 22px rgba(255,210,31,.28),0 8px 24px rgba(0,0,0,.35)}
.btn-amber:hover{background:#FFE14D;color:#050609;
  box-shadow:0 0 34px rgba(255,210,31,.45),0 10px 30px rgba(0,0,0,.4)}
.btn-big{min-height:48px;padding:0 24px;font-size:15px}
/* course-card enroll: compact primary */
.btn-enroll{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;background:var(--accent);color:#050609;font-weight:700;font-size:14px;line-height:1;
  padding:0 18px;border-radius:10px;border:1px solid var(--accent);cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease}
.btn-enroll svg{width:16px;height:16px;flex:none}
.btn-enroll:hover{background:#FFE14D;box-shadow:0 6px 20px rgba(255,210,31,.30);
  transform:translateY(-1px);text-decoration:none;color:#050609}
.btn-enroll:active{transform:translateY(0)}
.btn-enroll:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* button groups (hero): gap 12 (16 desktop), margin-top 32 */
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
@media(min-width:961px){.hero-ctas{gap:16px}}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(5,6,9,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:17px;letter-spacing:.02em;
  color:var(--text);font-family:'Space Grotesk','Inter',system-ui,sans-serif}
.brand-mark{width:36px;height:36px;flex:0 0 auto}
.brand em{font-style:normal;color:var(--accent)}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{color:var(--muted);font-size:15px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text)}
.nav-links a.btn-neon{color:#050609}
#nav-toggle{display:none}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;min-width:44px;min-height:44px;
  align-items:center;justify-content:center}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px}
.nav-drop{position:relative}
.nav-drop-link{display:inline-flex;align-items:center;gap:6px}
.nav-drop-link svg{width:14px;height:14px;flex:none}
.nav-menu{position:absolute;top:calc(100% + 10px);left:-12px;min-width:300px;background:var(--surface);
  border:1px solid var(--border);border-radius:12px;padding:10px;
  box-shadow:0 24px 60px rgba(0,0,0,.5);z-index:120;
  display:block;visibility:hidden;opacity:0;transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s}
.nav-drop:hover .nav-menu,.nav-drop:focus-within .nav-menu{display:block;opacity:1;transform:translateY(0);visibility:visible}
.nav-menu a{display:flex!important;justify-content:space-between;align-items:center;gap:12px;
  padding:10px 12px!important;border-radius:8px;font-size:14px!important;width:auto!important}
.nav-menu a:hover{background:var(--surface-2);color:var(--accent)}
.nav-menu a span.n{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--muted)}
.nav-menu-all{border-top:1px solid var(--border);margin-top:6px;color:var(--accent)!important;font-weight:700}
.nav-social{display:flex;align-items:center;gap:2px}
.nav-social a{display:inline-flex;padding:8px;border-radius:8px;color:var(--muted);min-width:36px;min-height:36px;
  align-items:center;justify-content:center}
.nav-social a:hover{color:var(--accent)}
.nav-social svg{width:18px;height:18px;flex:none}

/* ============================================================
   CINEMATIC HERO — art panel, layered light, breathing room
   (No terminal box. No hero background image — the artwork
   lives in a composed panel beside the headline.)
   ============================================================ */
.hero{padding:110px 0 100px;overflow:hidden;position:relative;background:var(--bg)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(900px 520px at 70% 0%,#000 30%,transparent 78%);
          mask-image:radial-gradient(900px 520px at 70% 0%,#000 30%,transparent 78%)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 420px at 85% -5%, rgba(255,210,31,.08), transparent 60%),
    radial-gradient(620px 380px at -10% 110%, rgba(255,210,31,.05), transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(44px,5.6vw,68px);line-height:1.05;font-weight:700;letter-spacing:-.03em;margin-bottom:22px}
.hero h1 .neon{color:var(--accent)}
.hero .hero-sub{color:var(--text);font-size:clamp(20px,2.4vw,26px);font-weight:600;line-height:1.35;
  letter-spacing:-.01em;margin-bottom:16px;font-family:'Space Grotesk','Inter',system-ui,sans-serif}
.hero p.lead{color:var(--muted);font-size:18px;max-width:520px;margin-bottom:0}
.dots{position:absolute;pointer-events:none;opacity:.5;
  background-image:radial-gradient(circle, var(--accent-line) 1.6px, transparent 1.6px);
  background-size:22px 22px}
.dots-tl{width:180px;height:120px;top:40px;left:-30px;
  -webkit-mask-image:linear-gradient(135deg,#000 30%,transparent 75%);
          mask-image:linear-gradient(135deg,#000 30%,transparent 75%)}
.dots-br{width:220px;height:150px;bottom:30px;right:-20px;
  -webkit-mask-image:linear-gradient(315deg,#000 30%,transparent 75%);
          mask-image:linear-gradient(315deg,#000 30%,transparent 75%)}
.angles{position:absolute;pointer-events:none;opacity:.55}
/* hero art panel */
.hero-art{position:relative;z-index:2;border-radius:16px;overflow:hidden;
  border:1px solid var(--border);
  box-shadow:0 40px 100px rgba(0,0,0,.6),0 0 60px rgba(255,210,31,.07)}
.hero-art img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.hero-art::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:linear-gradient(180deg,transparent 55%,rgba(5,6,9,.55));
  border-radius:16px}
.hero-art::after{content:"";position:absolute;inset:12px;pointer-events:none;z-index:3;
  border:1px solid rgba(255,210,31,.22);border-radius:10px;
  -webkit-mask-image:linear-gradient(#000,#000);
          mask-image:linear-gradient(#000,#000)}
.hero-art .ha-tag{position:absolute;left:20px;bottom:16px;z-index:4;
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;color:var(--accent);
  text-transform:uppercase}
.hero-note{margin-top:18px;font-size:13px;color:var(--muted)}
.hero-note a{color:var(--accent);border-bottom:1px solid var(--accent-line)}
/* signal line under the hero */
.signal-line{height:1px;background:linear-gradient(90deg,transparent,rgba(255,210,31,.5),transparent);
  position:relative;overflow:visible}
.signal-line::after{content:"";position:absolute;top:-1px;left:0;width:120px;height:3px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);border-radius:2px}

/* ---------- PAGE HERO ---------- */
.page-hero{padding:64px 0 48px;border-bottom:1px solid var(--border);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,210,31,.14) 1px,transparent 1.6px);background-size:26px 26px;
  mask-image:radial-gradient(560px 300px at 12% 0%,#000,transparent 70%);pointer-events:none}
.page-hero h1{font-size:clamp(32px,5vw,52px);margin:14px 0 12px}
.page-hero p{max-width:720px;font-size:17px}
.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative}
.page-art{border-radius:16px;overflow:hidden;border:1px solid var(--border);
  box-shadow:0 30px 70px rgba(0,0,0,.55)}
.page-art img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.crumbs{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.crumbs a{color:var(--accent)}
.crumbs span{margin:0 6px}
.pill{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:11.5px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent-line);
  background:var(--accent-soft);padding:7px 14px;border-radius:999px}
.pill-light{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}

/* ---------- SECTION HEADS (editorial) ---------- */
.sec-head{max-width:680px;margin-bottom:48px}
.sec-head .eyebrow{margin-bottom:12px}
.sec-head h2{font-size:clamp(30px,3.6vw,44px);line-height:1.15;margin-bottom:16px;letter-spacing:-.025em}
.sec-head p{color:var(--muted);font-size:17px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--accent);
  letter-spacing:.16em;margin-bottom:12px;text-transform:uppercase}
.sec-tag::before{content:"// "}
.sec-num{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--accent);
  letter-spacing:.2em;margin-bottom:14px}
.section-head{max-width:680px;margin-bottom:48px}
.section-head h2{font-size:clamp(30px,3.6vw,44px);line-height:1.15;margin-bottom:16px;letter-spacing:-.025em}
.section-head p{color:var(--muted);font-size:17px}
/* alternating cinematic bands */
.band{background:var(--obsidian);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.band-deep{background:#07090E;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

/* ---------- COMMUNITY STRIP ---------- */
.strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:var(--obsidian);padding:26px 0}
.strip-inner{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}
.strip-label{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--muted);letter-spacing:.1em}
.chip{display:inline-flex;align-items:center;gap:9px;padding:10px 18px;border:1px solid var(--border);
  border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);transition:.2s;background:var(--bg)}
.chip:hover{border-color:var(--accent);color:var(--text);box-shadow:0 0 18px rgba(255,210,31,.12)}
.chip svg{width:17px;height:17px;fill:var(--accent)}

/* ---------- FILTER CHIPS ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chips .chip{font-family:'JetBrains Mono',monospace;font-size:12.5px;padding:9px 16px;cursor:pointer}
.chips .chip.active{background:var(--accent);border-color:var(--accent);color:#050609;font-weight:600}
.chip-n{opacity:.65;font-size:11px;margin-left:4px}
.filter-note{font-size:13.5px;color:var(--muted);margin-bottom:24px}

/* ---------- CARDS ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:24px;display:flex;flex-direction:column;transition:.25s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:var(--accent-line);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.card:hover::before{opacity:1}
.card-media{margin:-24px -24px 20px;overflow:hidden;border-bottom:1px solid var(--border);border-radius:16px 16px 0 0}
.card-media img{width:100%;height:180px;object-fit:cover;display:block}
.tag{align-self:flex-start;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;
  color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);
  border-radius:6px;padding:5px 10px;margin-bottom:16px}
.card h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px;line-height:1.5714;flex:1;margin-bottom:20px}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--border);padding-top:18px;margin-top:20px}
.price{font-size:22px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.price small{font-size:12px;color:var(--muted);font-weight:500}
.card-link{font-size:14px;font-weight:600;color:var(--accent)}
.card-link:hover{text-decoration:underline}
.center-cta{text-align:center;margin-top:44px}

/* ---------- PHILOSOPHY (HTP WHY) ---------- */
.why{background:var(--obsidian);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.why-card{background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:24px}
.why-num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:13px;letter-spacing:.1em;margin-bottom:12px}
.why-card h3{font-size:20px;line-height:1.4;margin-bottom:8px}
.why-card p{color:var(--muted);font-size:14px;line-height:1.5714}
.philosophy-lede{font-size:clamp(24px,3vw,34px);line-height:1.3;color:var(--text);
  font-family:'Space Grotesk','Inter',system-ui,sans-serif;font-weight:600;letter-spacing:-.02em;
  max-width:860px;margin-bottom:48px}
.philosophy-lede em{font-style:normal;color:var(--accent)}

/* ---------- LEARNING PATHS — connected progression ---------- */
.paths-wrap{position:relative}
.paths-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.paths-grid::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,210,31,.45),rgba(255,210,31,.45),transparent);z-index:0}
.path-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:28px;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:.25s;z-index:1}
.path-card:hover{transform:translateY(-4px);border-color:var(--accent-line);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.path-card::before{content:"";position:absolute;top:22px;left:28px;width:12px;height:12px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 5px rgba(255,210,31,.14),0 0 18px rgba(255,210,31,.5)}
.path-step{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;padding-left:26px}
.path-card h3{font-size:22px;line-height:1.3;margin-bottom:8px}
.path-count{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--muted);margin-bottom:18px}
.path-list{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px;flex:1}
.path-list li{font-size:14px;line-height:1.5;color:var(--body)}
.path-list li a{color:var(--text);border-bottom:1px solid var(--border)}
.path-list li a:hover{color:var(--accent);border-color:var(--accent-line)}
.path-arrow{position:absolute;top:28px;right:28px;color:var(--accent);font-family:'JetBrains Mono',monospace;font-size:18px}

/* ---------- COURSE CARDS ---------- */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:24px}
.course-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s,border-color .22s,box-shadow .22s}
.course-card:hover{transform:translateY(-6px);
  border-color:var(--accent-line);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 26px rgba(255,210,31,.10)}
.course-card svg{width:18px;height:18px;flex-shrink:0}
.cc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.cc-media img{width:100%;height:100%;object-fit:cover;display:block}
.cc-badge{position:absolute;top:12px;right:12px;font-family:'JetBrains Mono',monospace;font-size:10.5px;
  font-weight:600;background:var(--accent);color:#050609;padding:5px 11px;border-radius:999px}
.cc-badge.free{background:var(--success);color:#050609}
.cc-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.cc-cat{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.cc-body h3{font-size:18px;line-height:1.35}
.cc-body h3 a:hover{color:var(--accent)}
.cc-desc{color:var(--muted);font-size:14px;line-height:1.5714}
.cc-meta{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:12.5px;color:var(--muted)}
.cc-foot{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--border)}
.cc-price{position:absolute;left:12px;bottom:12px;z-index:2;
  font-size:15px;font-weight:800;color:var(--text);background:rgba(5,6,9,.85);
  border:1px solid var(--border);padding:6px 13px;border-radius:999px;
  backdrop-filter:blur(4px)}
.cc-price.s,.cc-price.free{color:var(--success)}
.cc-price s{font-size:14px;color:var(--muted);font-weight:500;margin-right:6px}
.cc-enroll{flex:1}
/* category cards */
.cat-card{display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--border);
  border-radius:12px;padding:14px 16px 14px 14px;transition:.25s}
.cat-card:hover{border-color:var(--accent-line);transform:translateY(-3px)}
.cat-card img{width:72px;height:72px;object-fit:cover;border-radius:8px;flex:none}
.cat-card .cc-t{display:block;font-weight:700;color:var(--text);font-size:16px}
.cat-card .cc-c{display:block;color:var(--muted);font-size:13px;margin-top:4px}
.cat-badge{margin-left:auto;flex:none;font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);
  border:1px solid var(--accent-line);border-radius:999px;padding:5px 12px}

/* ---------- BLOG ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.blog-card,.post{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s,border-color .22s}
.blog-card:hover,.post:hover{transform:translateY(-5px);border-color:var(--accent-line)}
.blog-card.featured{grid-column:1 / -1;display:grid;grid-template-columns:1.1fr .9fr;min-height:320px}
.blog-card.featured .bc-media{aspect-ratio:auto;min-height:280px}
.blog-card.featured .bc-body{padding:32px;justify-content:center}
.blog-card.featured .bc-body h3{font-size:clamp(22px,2.6vw,30px);line-height:1.25}
.bc-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.bc-media img{width:100%;height:100%;object-fit:cover;display:block}
.bc-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.bc-cat{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.bc-body h3,.post h3{font-size:18px;line-height:1.4}
.bc-body h3 a:hover{color:var(--accent)}
.bc-meta{display:flex;gap:12px;font-size:12.5px;color:var(--muted)}
.bc-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center}
.bc-author{font-size:13px;color:var(--muted)}
.bc-author span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.post{padding:28px}
.post .card-media{margin:-28px -28px 20px}
.post h3{margin:14px 0 10px}
.post p{color:var(--muted);font-size:14px;line-height:1.5714;flex:1}
.read-link{font-weight:700;font-size:14px;color:var(--accent)}
.read-link:hover{text-decoration:underline}

/* ---------- BOOKS — premium publishing collection ---------- */
.book-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.book{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:24px;transition:.25s;display:flex;flex-direction:column}
.book:hover{border-color:var(--accent-line);transform:translateY(-3px)}
.book-cover{height:150px;border-radius:8px;margin-bottom:18px;
  background:linear-gradient(135deg,#1A2233,#0D1119);
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--accent);
  letter-spacing:.08em;text-align:center;padding:12px}
.book h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.book .bprice{color:var(--accent);font-weight:800;font-size:18px;margin:8px 0 14px}
/* dimensional book cards (books.html) */
.book-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,border-color .25s,box-shadow .25s;
  transform-style:preserve-3d}
.book-card:hover{transform:perspective(900px) rotateY(-3deg) translateY(-4px);
  border-color:var(--accent-line);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.book-media{position:relative;overflow:hidden;background:var(--surface-2)}
.book-media img{display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:cover;
  transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.book-card:hover .book-media img{transform:scale(1.04)}
.book-badge{position:absolute;top:12px;left:12px;font-family:'JetBrains Mono',monospace;font-size:10.5px;
  font-weight:600;letter-spacing:.1em;text-transform:uppercase;background:var(--accent);color:#050609;
  padding:5px 11px;border-radius:999px}
.book-body{padding:22px;display:flex;flex-direction:column;gap:8px;flex:1}
.book-body h3{font-size:18px;line-height:1.35}
.book-subtitle{color:var(--muted);font-size:14px}
.book-price{color:var(--accent);font-weight:800;font-size:20px;margin:4px 0 8px}
.book-features{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:8px;flex:1}
.book-features li{position:relative;padding-left:22px;font-size:13.5px;line-height:1.55;color:var(--body)}
.book-features li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;
  background:var(--accent);border-radius:2px;transform:rotate(45deg)}
.book-buy{margin-top:auto}

/* ---------- FAQ ---------- */
.faq{max-width:780px;margin:0 auto}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:10px;
  margin-bottom:12px;overflow:hidden}
.faq details[open]{border-color:var(--accent-line)}
.faq summary{padding:20px 24px;cursor:pointer;font-weight:600;font-size:16px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--text)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:400;flex:none}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 24px 22px;color:var(--muted);font-size:15px}
.faq .a a{color:var(--accent);border-bottom:1px solid var(--accent-line)}

/* ---------- CTA BANNER / BAND ---------- */
.cta-banner{background:linear-gradient(135deg,#090B10,#161D29);border:1px solid var(--accent-line);
  border-radius:16px;padding:56px;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:radial-gradient(circle, var(--accent-line) 1.4px, transparent 1.4px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(500px 260px at 50% 50%,#000,transparent 75%);
          mask-image:radial-gradient(500px 260px at 50% 50%,#000,transparent 75%)}
.cta-banner h2{font-size:clamp(26px,3.2vw,36px);line-height:1.2222;letter-spacing:-.02em;margin-bottom:16px;position:relative}
.cta-banner p{color:var(--muted);margin-bottom:28px;position:relative}
.cta-banner .btn{position:relative}
.cta-band{background:linear-gradient(135deg,#090B10,#161D29);border:1px solid var(--border);
  border-radius:20px;padding:44px 32px;text-align:center;position:relative;overflow:hidden;margin:56px 0}
.cta-band::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,210,31,.12) 1px,transparent 1.6px);background-size:24px 24px;
  mask-image:radial-gradient(500px 240px at 50% 0%,#000,transparent 75%)}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:16px;position:relative}
.cta-band p{position:relative;margin-bottom:22px}
.cta-ic{display:inline-flex;align-items:center;gap:10px}
.center-cta{text-align:center;margin-top:44px}

/* ---------- ARTICLE (editorial reading) ---------- */
.article-hero{padding:48px 0 8px}
.article-hero h1{font-size:clamp(30px,4.6vw,48px);max-width:900px;margin:14px 0 16px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13.5px;color:var(--muted);margin-bottom:26px}
.article-meta svg{width:16px;height:16px;flex-shrink:0}
.article-cover{max-width:880px;margin:0 auto 40px;border-radius:16px;overflow:hidden;border:1px solid var(--border)}
.article-cover img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}
.article-body{max-width:780px;margin:0 auto;padding:0 24px}
.prose{color:var(--body);font-size:17px;line-height:1.75}
.prose h2{font-size:26px;margin:38px 0 14px;color:var(--text)}
.prose h3{font-size:21px;margin:30px 0 12px;color:var(--text)}
.prose p{margin:0 0 18px;color:var(--body)}
.prose ul,.prose ol{margin:0 0 20px;padding-left:24px;color:var(--body)}
.prose li{margin-bottom:8px}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--text)}
.prose code{font-family:'JetBrains Mono',monospace;font-size:.88em;background:var(--surface-2);
  border:1px solid var(--border);padding:2px 7px;border-radius:6px;color:var(--accent)}
.prose pre{background:#070B14;border:1px solid var(--border);border-radius:12px;padding:18px;
  overflow-x:auto;margin:0 0 22px}
.prose pre code{background:none;border:0;padding:0;color:#FFE98A}
.prose blockquote{border-left:3px solid var(--accent);background:var(--surface);padding:14px 20px;
  border-radius:0 12px 12px 0;margin:0 0 22px;color:var(--body)}
.prose img{border-radius:12px;border:1px solid var(--border);margin:8px 0}
.prose table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
.prose th,.prose td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.prose th{background:var(--surface-2);color:var(--text)}
.article-cta{margin:44px 0;padding:30px;border:1px solid var(--accent-line);
  background:linear-gradient(135deg,rgba(255,210,31,.08),rgba(255,210,31,.02));
  border-radius:16px;text-align:center}
.article-cta h3{margin-bottom:8px}
.read-next{margin:56px 0 8px}
.read-next h2{font-size:24px;margin-bottom:20px}
/* google search box on article pages */
.google-search-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:22px;display:flex;gap:16px;align-items:flex-start;max-width:780px;margin:40px auto}
.google-search-box p{color:var(--body);font-size:15px;line-height:1.6}
.g-badge{flex:none;width:44px;height:44px;border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;overflow:hidden}
.g-badge img{width:28px;height:28px;object-fit:contain}
.gs-link{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* ============================================================
   COURSE TEMPLATE — data-driven pages
   ============================================================ */
.course-hero{padding:48px 0 32px;border-bottom:1px solid var(--border)}
.course-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.course-hero h1{font-size:clamp(32px,4.6vw,48px);max-width:900px;margin:14px 0 16px}
.course-hero .lede{color:var(--muted);font-size:18px;max-width:680px}
.course-art{border-radius:16px;overflow:hidden;border:1px solid var(--border);
  box-shadow:0 30px 70px rgba(0,0,0,.55)}
.course-art img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.course-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.course-chip{display:inline-flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;
  font-size:12px;color:var(--text);background:var(--surface);border:1px solid var(--border);
  border-radius:999px;padding:8px 14px}
.course-chip svg{width:15px;height:15px;flex:none;color:var(--accent)}
.course-chip strong{color:var(--accent);font-weight:600}
.course-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;
  align-items:start;padding:48px 0}
.course-main{min-width:0}
.course-main h2{font-size:28px;line-height:1.25;margin:0 0 16px;padding-top:40px}
.course-main h2:first-child{padding-top:0}
.course-main p{margin:0 0 16px}
.learn-list{list-style:none;margin:0 0 8px;padding:0;display:grid;gap:12px}
.learn-list li{position:relative;padding-left:32px;color:var(--body);font-size:16px;line-height:1.625}
.learn-list li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;
  background:var(--accent-soft);border:1px solid var(--accent-line)}
.learn-list li::after{content:"";position:absolute;left:6px;top:10px;width:6px;height:10px;
  border:solid var(--accent);border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-2px)}
.req-list{margin:0 0 8px;padding-left:24px;color:var(--body);display:grid;gap:10px;font-size:16px;line-height:1.625}
.tools-row{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 8px}
.tool-tag{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:8px;padding:8px 14px}
/* curriculum accordion */
.acc{border:1px solid var(--border);border-radius:16px;overflow:hidden;margin:0 0 8px}
.acc-item{border-bottom:1px solid var(--border)}
.acc-item:last-child{border-bottom:0}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:0;color:var(--text);font-size:16px;font-weight:600;
  padding:18px 22px;cursor:pointer;text-align:left;min-height:44px}
.acc-head:hover{color:var(--accent)}
.acc-head .acc-num{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--accent);flex:none}
.acc-head .acc-title{flex:1}
.acc-head .acc-icon{flex:none;width:20px;height:20px;color:var(--accent);transition:transform .2s}
.acc-item[data-open="true"] .acc-icon{transform:rotate(45deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .28s ease;background:var(--bg)}
.acc-panel-inner{padding:4px 22px 20px;color:var(--body);font-size:15px;line-height:1.7}
/* sticky enroll card */
.course-side{position:sticky;top:96px}
.enroll-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px}
.enroll-card .enroll-price{font-size:36px;line-height:1.2;font-weight:800;color:var(--text);letter-spacing:-.02em}
.enroll-card .enroll-price small{font-size:14px;color:var(--muted);font-weight:500}
.enroll-card .enroll-per{font-size:13px;color:var(--muted);margin:6px 0 20px}
.enroll-card .btn{width:100%;margin-bottom:12px}
.enroll-included{list-style:none;margin:20px 0 0;padding:20px 0 0;border-top:1px solid var(--border);display:grid;gap:10px}
.enroll-included li{position:relative;padding-left:28px;font-size:14px;line-height:1.5714;color:var(--body)}
.enroll-included li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
/* mobile sticky bottom bar */
.sticky-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(5,6,9,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--border);padding:12px 20px calc(12px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:16px}
.sticky-bar .sticky-price{font-size:22px;font-weight:800;color:var(--text)}
.sticky-bar .sticky-price small{display:block;font-size:11px;color:var(--muted);font-weight:500}

/* ---------- CONTACT ---------- */
.contact-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:30px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:7px;color:var(--text)}
.field input,.field select,.field textarea{width:100%;background:#070B14;border:1px solid var(--border);
  border-radius:10px;color:var(--text);padding:12px 14px;font-size:15px;font-family:inherit;min-height:44px}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:none}
.field .err{display:none;color:#FF7A7A;font-size:13px;margin-top:6px}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#FF7A7A}
.field.invalid .err{display:block}
.form-error{display:none;background:rgba(255,122,122,.08);border:1px solid rgba(255,122,122,.4);
  border-radius:10px;padding:12px 16px;color:#FF7A7A;font-size:14px;margin-bottom:18px}
.form-error.show{display:block}
.form-error a{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.form-success{display:none;text-align:center;padding:20px 0}
.form-success h3{margin-bottom:8px}
.fs-ic{display:flex;align-items:center;justify-content:center;width:76px;height:76px;border-radius:50%;
  background:var(--accent-soft);border:1px solid var(--accent-line);margin:0 auto 18px}
.fs-ic svg{width:38px;height:38px;color:var(--accent)}
.contact-cards{display:flex;flex-direction:column;gap:16px}
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px}
.contact-card h3{font-size:18px;margin-bottom:6px}
.contact-card p{font-size:14px;line-height:1.5714;margin-bottom:14px}
.fc-icon{display:flex;align-items:center;justify-content:center;width:76px;height:76px;border-radius:20px;
  background:var(--accent-soft);border:1px solid var(--accent-line);margin-bottom:18px}
.fc-icon.tg{background:rgba(34,158,217,.12);border-color:rgba(34,158,217,.4)}
.fc-icon.tg svg{fill:var(--tg-blue)}
.fc-icon svg{width:38px;height:38px;flex:none}

/* ---------- ALERT / MISC ---------- */
.alert-box{display:flex;gap:12px;align-items:flex-start;background:var(--surface-2);
  border:1px solid var(--accent-line);border-radius:12px;padding:14px 16px;margin:24px 0}
.alert-box svg{width:24px;height:24px;flex:0 0 24px;color:var(--accent);margin-top:2px}
.alert-box p{margin:0;color:var(--muted);font-size:15px}
.hl{background:rgba(255,210,31,.16);color:var(--text);padding:1px 6px;border-radius:5px}
.auth-slot{min-height:20px}
.tools-coming .coming-badge{background:rgba(255,210,31,.12);border:1px solid rgba(255,210,31,.4);color:var(--accent)}
a.link-yellow,.osint-name-link{color:var(--accent)!important;text-decoration:underline;text-underline-offset:3px;font-weight:700}

/* ============================================================
   AUTH PAGES (login / signup)
   ============================================================ */
.auth-wrap{max-width:440px;margin:0 auto;padding:64px 24px 96px}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px}
.auth-card h1{font-size:28px;margin-bottom:8px}
.auth-sub{color:var(--muted);font-size:15px;margin-bottom:24px}
.auth-card .field{margin-bottom:16px}
.auth-card .btn{width:100%;margin-top:8px}
.auth-switch{text-align:center;font-size:14px;color:var(--muted);margin-top:20px}
.auth-switch a{color:var(--accent);font-weight:600}
.auth-note{display:flex;gap:10px;align-items:flex-start;background:var(--surface-2);
  border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-top:24px;
  font-size:13.5px;color:var(--muted);line-height:1.6}
.auth-note svg{width:18px;height:18px;flex:none;color:var(--accent);margin-top:2px}
.notice{display:none;border-radius:10px;padding:12px 16px;font-size:14px;margin-bottom:18px}
.notice.show{display:block}
.notice.success{background:rgba(53,201,138,.1);border:1px solid rgba(53,201,138,.4);color:#7BE3B6}
.notice.error{background:rgba(240,82,82,.1);border:1px solid rgba(240,82,82,.4);color:#FF9A9A}
.input-wrap{position:relative;display:flex;align-items:center}
.input-wrap svg{position:absolute;left:14px;width:18px;height:18px;color:var(--muted);pointer-events:none;flex:none}
.input-wrap input{padding-left:44px!important;width:100%}
.pw-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:0;
  color:var(--muted);cursor:pointer;padding:8px;border-radius:8px;display:flex;align-items:center}
.pw-toggle:hover{color:var(--accent)}
.pw-toggle svg{position:static;width:18px;height:18px}
.check-row{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--body);cursor:pointer}
.check-row input{accent-color:var(--accent);width:16px;height:16px}

/* ============================================================
   PROFILE PAGE
   ============================================================ */
.profile-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px;margin-bottom:24px}
.profile-id{display:flex;align-items:center;gap:18px}
.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;
  background:var(--accent);color:#050609;font-weight:800;flex:none}
.avatar-64{width:64px;height:64px;font-size:24px}
.pi-name{font-size:20px;font-weight:700;color:var(--text);line-height:1.3}
.pi-role{font-size:14px;color:var(--muted)}
.pi-since{font-size:13px;color:var(--muted);font-family:'JetBrains Mono',monospace}
.readonly-row{display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:#070B14;border:1px solid var(--border);border-radius:10px;padding:12px 14px}
.readonly-row span{color:var(--text);font-weight:600}

/* ============================================================
   404 PAGE
   ============================================================ */
.notfound{text-align:center;padding:120px 0}
.nf-code{font-family:'JetBrains Mono',monospace;font-size:clamp(90px,18vw,180px);font-weight:700;
  line-height:1;color:var(--accent);letter-spacing:-.04em;
  text-shadow:0 0 60px rgba(255,210,31,.25)}
.notfound h1{font-size:clamp(28px,4vw,40px);margin:16px 0 12px}
.notfound p{max-width:520px;margin:0 auto}

/* ============================================================
   OSINT / DARK WEB — feature cards + site stories
   ============================================================ */
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;transition:.25s}
.feature-card:hover{transform:translateY(-4px);border-color:var(--accent-line);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:14px;line-height:1.6}
.site-story{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:28px;margin-bottom:24px}
.ss-head{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.ss-num{font-family:'JetBrains Mono',monospace;font-size:13px;font-weight:700;color:#050609;
  background:var(--accent);border-radius:8px;width:30px;height:30px;display:inline-flex;
  align-items:center;justify-content:center;flex:none}
.ss-head h3{font-size:20px}
.ss-body p{color:var(--muted);font-size:15px;line-height:1.65}
.ss-img{border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.ss-img img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}

/* ============================================================
   BOOK MODAL
   ============================================================ */
.modal-overlay{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;
  background:rgba(0,0,0,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);padding:16px}
.modal-overlay[data-open="true"]{display:flex}
.modal{position:relative;width:440px;max-width:calc(100vw - 32px);background:var(--surface);
  border:1px solid var(--border);border-radius:16px;padding:32px;max-height:calc(100vh - 64px);overflow-y:auto}
.modal-close{position:absolute;top:14px;right:14px;width:44px;height:44px;display:flex;align-items:center;
  justify-content:center;background:transparent;border:0;border-radius:10px;color:var(--muted);cursor:pointer}
.modal-close:hover{color:var(--text);background:var(--surface-2)}
.modal-close svg{width:20px;height:20px}
.modal h3{font-size:20px;line-height:1.4;margin:0 32px 12px 0}
.modal p{font-size:15px;margin-bottom:24px}
.modal-actions{display:flex;gap:12px;flex-wrap:wrap}
.modal-actions .btn{flex:1;min-width:140px}

/* ============================================================
   FOOTER — the final scene
   ============================================================ */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--border);
  padding:80px 0 32px;margin-top:64px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,210,31,.55),transparent)}
.site-footer::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(800px 300px at 50% 0%, rgba(255,210,31,.05), transparent 65%)}
.site-footer .wrap{position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.5714;margin:16px 0 20px;max-width:320px}
.foot-col h4{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.16em;
  color:var(--accent);margin-bottom:18px;font-weight:600;text-transform:uppercase}
.foot-col a{display:block;color:var(--muted);font-size:14px;line-height:1.5714;margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--accent)}
.socials{display:flex;gap:10px}
.socials a{width:44px;height:44px;border:1px solid var(--border);border-radius:10px;
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  transition:border-color .18s,color .18s;margin:0}
.socials a:hover{border-color:var(--accent);color:var(--accent)}
.socials svg{width:17px;height:17px;fill:currentColor}
.foot-bottom{border-top:1px solid var(--border);margin-top:48px;padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.foot-bottom p{font-size:13px;color:var(--muted);margin:0}
.legal-links{display:flex;gap:20px;flex-wrap:wrap}
.legal-links a{font-size:13px;color:var(--muted)}
.legal-links a:hover{color:var(--accent)}
.foot-legal{display:flex;gap:20px;flex-wrap:wrap}
.foot-legal a{font-size:13px;color:var(--muted)}
.foot-legal a:hover{color:var(--accent)}
.foot-bottom .mono{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--muted)}

/* ---------- TELEGRAM FLOAT ---------- */
.tg-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;
  background:var(--tg-blue);border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 28px rgba(34,158,217,.45);transition:transform .2s ease,box-shadow .2s ease}
.tg-float:hover{transform:scale(1.08) translateY(-2px);box-shadow:0 12px 34px rgba(34,158,217,.6)}
.tg-float:active{transform:scale(1.02)}
.tg-float:focus-visible{outline:2px solid #fff;outline-offset:3px}
.tg-float svg{width:30px;height:30px;fill:#fff;flex:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1020px){
  .course-layout{grid-template-columns:1fr;gap:32px}
  .course-side{position:static}
  .course-hero-grid{grid-template-columns:1fr;gap:32px}
  .site-story{grid-template-columns:1fr}
}
@media(max-width:960px){
  section,.section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr}
  .page-hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4,.book-row{grid-template-columns:repeat(2,1fr)}
  .cols-3{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:40px}
  .contact-layout{grid-template-columns:1fr}
  .course-grid,.blog-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
  .blog-card.featured{grid-template-columns:1fr}
  .blog-card.featured .bc-media{min-height:200px}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:var(--surface);
    flex-direction:column;align-items:flex-start;padding:20px 24px 28px;gap:6px;
    border-bottom:1px solid var(--border);display:none;max-height:calc(100vh - 72px);overflow-y:auto}
  .nav-links a{padding:10px 0;font-size:16px;width:100%}
  .nav-links .btn{margin-top:10px;width:100%}
  #nav-toggle:checked ~ .nav-links{display:flex}
  .burger{display:flex}
  .nav-menu{position:static;display:block;box-shadow:none;border:0;background:transparent;
    padding:2px 0 0 14px;min-width:0;visibility:visible;opacity:1;transform:none}
  .nav-menu a{padding:8px 0!important;font-size:15px!important}
  .grid-2{grid-template-columns:1fr}
  .paths-grid{grid-template-columns:1fr}
  .paths-grid::before{display:none}
  .cta-banner{padding:40px 24px}
}
@media(max-width:600px){
  h1{font-size:40px;line-height:1.2}
  section,.section{padding:56px 0}
  .wrap{padding-left:20px;padding-right:20px}
  .page-hero{padding:48px 0 36px}
  .hero{padding:72px 0}
  .grid-3,.grid-4,.book-row,.cols-3{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 32px}
  .nav-social{display:none}
  .article-hero{padding:40px 0 4px}
  .tg-float{right:16px;bottom:16px;width:52px;height:52px}
  .tg-float svg{width:26px;height:26px}
  /* hero buttons stacked, full width, gap 12 */
  .hero-ctas{flex-direction:column;align-items:stretch;gap:12px}
  .hero-ctas .btn{width:100%}
  /* mobile sticky bottom bar */
  .sticky-bar{display:flex}
  body.has-sticky-bar{padding-bottom:76px}
  .modal{padding:24px}
  .auth-wrap{padding:48px 20px 72px}
  .auth-card{padding:24px}
  .google-search-box{flex-direction:column}
}

/* ============================================================
   ANIMATIONS & INTERACTIONS (v10)
   CSS-first, GPU-friendly (opacity / translate / transform).
   Scroll reveals reuse initReveal() in js/main.js (.reveal +
   cards/sections, .in when in view). Hidden state applies ONLY
   when JS runs (html.js) so no-JS visitors see full content.
   ============================================================ */

/* ---------- page fade-in (subtle, no loading screen) ---------- */
@media (prefers-reduced-motion: no-preference){
  html.js body{animation:pageIn .35s ease-out}
}
@keyframes pageIn{from{opacity:0}to{opacity:1}}

/* ---------- hero entrance (staggered, CSS only, ≤1s total) ---------- */
@media (prefers-reduced-motion: no-preference){
  .hero-anim{animation:fadeUp .7s cubic-bezier(.22,.61,.36,1) both}
  .hero-anim-1{animation-delay:.05s}
  .hero-anim-2{animation-delay:.15s}
  .hero-anim-3{animation-delay:.25s}
  .hero-anim-4{animation-delay:.35s}
  .hero-anim-5{animation-delay:.45s}
  /* hero art: slow cinematic drift */
  .hero-art img{animation:kenBurns 24s ease-in-out infinite alternate}
  /* signal line sweep */
  .signal-line::after{animation:signalSweep 6s linear infinite}
}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes kenBurns{from{transform:scale(1)}to{transform:scale(1.07)}}
@keyframes signalSweep{from{left:-120px}to{left:100%}}

/* ---------- hero background drift + floating dots ---------- */
@media (prefers-reduced-motion: no-preference){
  .hero::before{animation:gridDrift 70s linear infinite}
  .dots{animation:floatY 9s ease-in-out infinite}
  .dots-br{animation-delay:-4.5s}
}
@keyframes gridDrift{from{background-position:0 0,0 0}to{background-position:56px 0,56px 0}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ---------- scroll reveal (viewport only, once) ---------- */
/* Uses the standalone `translate` property so hover `transform`
   lifts keep working after reveal. */
html.js .reveal,
html.js .sec-head,
html.js .section-head,
html.js .card,
html.js .course-card,
html.js .cat-card,
html.js .book,
html.js .book-card,
html.js .blog-card,
html.js .post,
html.js .why-card,
html.js .path-card,
html.js .feature-card,
html.js .site-story,
html.js .auth-card,
html.js .profile-card,
html.js .cta-banner,
html.js .cta-band,
html.js .faq,
html.js .contact-card{
  opacity:0; translate:0 18px;
  transition:opacity .6s ease, translate .6s cubic-bezier(.22,.61,.36,1);
}
html.js .reveal.in,
html.js .sec-head.in,
html.js .section-head.in,
html.js .card.in,
html.js .course-card.in,
html.js .cat-card.in,
html.js .book.in,
html.js .book-card.in,
html.js .blog-card.in,
html.js .post.in,
html.js .why-card.in,
html.js .path-card.in,
html.js .feature-card.in,
html.js .site-story.in,
html.js .auth-card.in,
html.js .profile-card.in,
html.js .cta-banner.in,
html.js .cta-band.in,
html.js .faq.in,
html.js .contact-card.in{
  opacity:1; translate:0 0;
}
/* gentle stagger inside grids */
html.js .grid-3 > :nth-child(3n+2),
html.js .grid-4 > :nth-child(4n+2),
html.js .course-grid > :nth-child(3n+2),
html.js .blog-grid > :nth-child(3n+2),
html.js .book-row > :nth-child(3n+2){transition-delay:.08s}
html.js .grid-3 > :nth-child(3n+3),
html.js .grid-4 > :nth-child(4n+3),
html.js .course-grid > :nth-child(3n+3),
html.js .blog-grid > :nth-child(3n+3),
html.js .book-row > :nth-child(3n+3){transition-delay:.16s}
html.js .grid-4 > :nth-child(4n+4){transition-delay:.24s}

/* ---------- nav link underline ---------- */
.nav-links > a:not(.btn){position:relative}
.nav-links > a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease}
.nav-links > a:not(.btn):hover::after,
.nav-links > a.active::after{transform:scaleX(1)}

/* ---------- image zoom on hover ---------- */
.card-media img,.cc-media img,.bc-media img,.article-cover img,.book-media img,.ss-img img,.course-art img,.page-art img{
  transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.card:hover .card-media img,
.course-card:hover .cc-media img,
.blog-card:hover .bc-media img{transform:scale(1.045)}
.course-art:hover img,.page-art:hover img{transform:scale(1.03)}

/* ---------- book 3D tilt ---------- */
.book{transform-style:preserve-3d}
.book:hover{transform:perspective(900px) rotateY(-3deg) translateY(-3px)}

@media(prefers-reduced-motion:reduce){
  .course-card:hover,.btn:hover,.btn-neon:hover{transform:none}
  .term-caret,.blink{animation:none}
  html{scroll-behavior:auto}
  html.js body{animation:none}
  .hero-anim{animation:none}
  .hero::before,.dots{animation:none}
  .hero-art img{animation:none}
  .signal-line::after{animation:none}
  html.js .reveal,html.js .sec-head,html.js .section-head,html.js .card,html.js .course-card,
  html.js .cat-card,html.js .book,html.js .book-card,html.js .blog-card,html.js .post,
  html.js .why-card,html.js .path-card,html.js .feature-card,html.js .site-story,
  html.js .auth-card,html.js .profile-card,html.js .cta-banner,html.js .cta-band,
  html.js .faq,html.js .contact-card{
    opacity:1;translate:0 0;transition:none}
}