/* ============================================================
   Alumi Games — shared styles
   Aesthetic: precision aluminum hardware. Brushed-metal greys,
   one anodized-green accent, a mono "spec-sheet" voice as signature.
   ============================================================ */

:root{
  --graphite:#11151B;      /* deep cool near-black */
  --graphite-2:#1A212B;
  --ink:#11151B;           /* text on light */
  --ink-soft:#4A535E;
  --paper:#FBFCFD;
  --mist:#EEF1F4;          /* light surface */
  --aluminum:#C9CFD6;
  --aluminum-dark:#8A929B;
  --line:rgba(17,21,27,.12);
  --line-strong:rgba(17,21,27,.22);
  --accent:#D5100F;        /* brand red — primary actions */
  --accent-dark:#B10D0C;
  --accent-press:#8E0A0A;
  --green:#63AD17;         /* brand green — accents, labels */
  --green-dark:#4F8E12;
  --maxw:1140px;
  --gut:clamp(20px,5vw,56px);
  --radius:4px;            /* machined, low radius */
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:600;line-height:1.05;margin:0;letter-spacing:-.02em}
a{color:inherit}
img{max-width:100%;display:block}

/* mono utility = the "spec" voice */
.spec-label{
  font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--aluminum-dark);
}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:15px;
  padding:12px 20px;border-radius:var(--radius);border:1px solid transparent;
  text-decoration:none;cursor:pointer;transition:transform .12s ease,background .15s ease,border-color .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-dark{background:var(--graphite);color:#fff}
.btn-dark:hover{background:var(--graphite-2)}

:focus-visible{outline:2.5px solid var(--accent);outline-offset:2px;border-radius:2px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:30;background:rgba(251,252,253,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk",sans-serif;font-weight:700;letter-spacing:-.02em;font-size:19px;text-decoration:none}
.brand img{height:30px;width:auto;display:block}
.brand .mark{width:26px;height:26px;border-radius:3px;background:
   linear-gradient(135deg,#dfe4e9,#aab1b9 40%,#eef1f4 60%,#9aa1a9);
   border:1px solid var(--line-strong);box-shadow:inset 0 1px 2px rgba(255,255,255,.6)}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav a{text-decoration:none;font-size:15px;color:var(--ink-soft);transition:color .15s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav .btn{color:#fff}
.nav-toggle{display:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#0b0e13;color:#fff}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:
   linear-gradient(180deg,rgba(11,14,19,.5),rgba(11,14,19,.86)),
   radial-gradient(120% 90% at 78% -5%,rgba(213,16,15,.22),transparent 55%);}
.hero .wrap{position:relative;z-index:2;padding-block:clamp(64px,10vw,120px)}
.hero .eyebrow{color:var(--green);margin-bottom:18px}
.hero h1{font-size:clamp(36px,6.4vw,68px);max-width:14ch}
.hero h1 em{font-style:normal;color:var(--aluminum)}
.hero p.lede{margin:22px 0 0;max-width:52ch;color:#c6ccd3;font-size:clamp(17px,2vw,20px)}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* spec strip — signature element (used in a dark band below the hero) */
.spec-band{background:var(--graphite);color:#fff;padding-block:0}
.spec-band .wrap{padding-block:0}
.specstrip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:0;background:rgba(255,255,255,.1);border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12);overflow:hidden}
.specstrip .cell{background:var(--graphite);padding:22px var(--gut)}
.specstrip .k{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--green)}
.specstrip .v{font-family:"Space Grotesk",sans-serif;font-size:clamp(18px,2.4vw,24px);margin-top:6px}
.specstrip .v small{display:block;font-family:"IBM Plex Sans",sans-serif;font-size:13px;color:#aab1b9;letter-spacing:0;margin-top:2px}

/* ---------- about (photo + copy) ---------- */
.about{background:var(--graphite);color:#fff}
.about .spec-label{color:var(--green)}
.about-split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.about-split figure{margin:0}
.about-split img{width:100%;height:100%;max-height:520px;object-fit:cover;border-radius:var(--radius);border:1px solid rgba(255,255,255,.1)}
.about-split h2{font-size:clamp(28px,4vw,42px);margin-bottom:18px}
.about-split p{color:#c2c8cf;margin:0 0 16px}

/* ---------- generic section ---------- */
section{padding-block:clamp(52px,8vw,92px)}
.section-head{max-width:60ch;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,4vw,40px);margin-top:12px}
.section-head p{color:var(--ink-soft);margin:14px 0 0}

/* ---------- courses grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:22px}
.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--line-strong);box-shadow:0 10px 30px -18px rgba(17,21,27,.4)}
.card .thumb{aspect-ratio:4/3;background:#eef1f4;display:flex;align-items:center;justify-content:center;color:var(--aluminum-dark);position:relative;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card .thumb .spec-label{position:absolute;left:14px;top:12px}
.card .card-desc{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.5}
.card .body{padding:20px;display:flex;flex-direction:column;gap:14px;flex:1}
.card h3{font-size:21px}
.card .price{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:20px}
.card .price small{color:var(--ink-soft);font-weight:400;font-size:13px;font-family:"IBM Plex Sans",sans-serif}
.spec-table{border-top:1px solid var(--line);margin-top:auto}
.spec-table .row{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}
.spec-table .row span:first-child{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--aluminum-dark)}
.card .actions{display:flex;gap:10px;padding:0 20px 20px}
.card .actions .btn{flex:1;justify-content:center;padding-inline:12px}

/* ---------- material / why ---------- */
.why{background:var(--mist)}
.rows{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.rows .item{background:var(--paper);padding:26px var(--gut);display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:start}
.rows .item .spec-label{padding-top:4px}
.rows .item h3{font-size:20px;margin-bottom:6px}
.rows .item p{margin:0;color:var(--ink-soft)}

/* ---------- contact / quote ---------- */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,6vw,72px);align-items:start}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.field label{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.field input,.field textarea,.field select{
  font:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:#fff;color:var(--ink);width:100%;
}
.field textarea{min-height:130px;resize:vertical}
.contact-aside dl{margin:0}
.contact-aside dt{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--aluminum-dark);margin-top:20px}
.contact-aside dd{margin:4px 0 0;font-size:17px}
.form-note{font-size:14px;color:var(--ink-soft);margin-top:6px}
.form-status{margin-top:14px;font-size:15px;padding:12px 14px;border-radius:var(--radius);display:none}
.form-status.ok{display:block;background:rgba(22,179,106,.12);color:var(--accent-press);border:1px solid rgba(22,179,106,.3)}
.form-status.err{display:block;background:rgba(200,40,40,.08);color:#a02020;border:1px solid rgba(200,40,40,.25)}

/* ---------- footer ---------- */
.site-foot{background:var(--graphite);color:#aab1b9;padding-block:48px;margin-top:0}
.site-foot .wrap{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:center}
.site-foot a{color:#cdd3da;text-decoration:none;font-size:15px}
.site-foot a:hover{color:#fff}
.site-foot .links{display:flex;gap:22px;flex-wrap:wrap}
.site-foot .fineprint{font-size:13px;width:100%;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;color:#7f8893}

/* ---------- responsive ---------- */
@media (max-width:760px){
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px var(--gut) 20px;transform:translateY(-130%);transition:transform .25s ease;margin:0}
  .nav[data-open="true"]{transform:translateY(0)}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:14px;justify-content:center}
  .nav-toggle{display:inline-flex;margin-left:auto;background:none;border:1px solid var(--line-strong);border-radius:var(--radius);padding:9px 12px;cursor:pointer;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.1em}
  .specstrip{grid-template-columns:1fr}
  .split,.about-split{grid-template-columns:1fr}
  .about-split figure{order:2}
  .rows .item{grid-template-columns:1fr;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}