/* ============================================================
   Silver Lion Software — Landing Page Styles
   ------------------------------------------------------------
   Sections in order:
     1.  Design tokens (:root variables)  ← edit brand colours here
     2.  Base / reset
     3.  Layout helpers (.wrap)
     4.  Typography helpers
     5.  Nav
     6.  Hero
     7.  Products
     8.  Tagline strip
     9.  Footer
     10. Scroll-reveal animation
     11. Responsive (mobile)
   ============================================================ */

/* ===== 1. DESIGN TOKENS — edit brand colours / spacing here ===== */
:root{
  --steel:#4b6073;
  --steel-2:#5d7589;
  --electric:oklch(0.74 0.085 238);          /* glowing steel for dark sections */
  --electric-soft:oklch(0.74 0.085 238 / 0.45);
  --charcoal:#2e2e2e;
  --mid:#5a5a5a;
  --light-gray:#c0c0c0;
  --off-white:#f5f5f5;
  --ink:#080b11;                              /* hero / dark base */
  --ink-2:#0e131b;
  --ink-card:#12181f;
  --line:rgba(255,255,255,0.10);
  --redswan:oklch(0.66 0.16 25);              /* Red Swan accent */
  --whitepod:oklch(0.86 0.02 250);            /* White Pod accent */
  --blackcow:oklch(0.62 0.05 80);             /* BlackCow accent */
  --amberdingo:oklch(0.75 0.16 70);           /* AmberDingo accent */
  --maxw:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ===== 2. BASE / RESET ===== */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Lato',system-ui,sans-serif;
  color:var(--charcoal);
  background:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}

/* ===== 3. LAYOUT HELPERS ===== */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,56px);}

/* ===== 4. TYPOGRAPHY HELPERS ===== */
h1,h2,h3,.cinzel{font-family:'Cinzel',serif;}
.kicker{
  font-family:'Lato',sans-serif;
  font-weight:700;
  font-size:clamp(11px,1vw,13px);
  letter-spacing:.34em;
  text-transform:uppercase;
}

/* ===== 5. NAV ===== */
nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,56px);
  transition:background .4s var(--ease),backdrop-filter .4s var(--ease),padding .4s var(--ease),border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
nav.scrolled{
  background:rgba(8,11,17,0.78);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  padding-top:12px;padding-bottom:12px;
}
.brand{display:flex;align-items:center;gap:13px;}
.brand img{height:42px;width:auto;filter:drop-shadow(0 2px 10px rgba(0,0,0,.4));transition:height .4s var(--ease);}
nav.scrolled .brand img{height:34px;}
.brand .word{display:flex;flex-direction:column;line-height:1;}
.brand .word .l1{
  font-family:'Cinzel',serif;font-weight:700;color:#fff;
  font-size:18px;letter-spacing:.14em;
}
.brand .word .l2{
  font-family:'Lato',sans-serif;font-weight:700;
  color:var(--electric);font-size:10.5px;letter-spacing:.46em;
  margin-top:4px;padding-left:2px;
}
.nav-right{display:flex;align-items:center;gap:clamp(18px,3vw,38px);}
.nav-links{display:flex;gap:clamp(18px,3vw,34px);}
.nav-links a{
  color:rgba(255,255,255,.82);font-weight:700;font-size:13px;
  letter-spacing:.14em;text-transform:uppercase;position:relative;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--electric);transition:width .35s var(--ease);
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{width:100%;}

/* ===== 6. HERO ===== */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  background:var(--ink);overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('../assets/lion-night.png');
  background-size:cover;background-position:74% 42%;
  transform:scale(1.06);will-change:transform;
}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(102deg, rgba(8,11,17,.97) 0%, rgba(8,11,17,.9) 30%, rgba(8,11,17,.55) 58%, rgba(8,11,17,.12) 82%, rgba(8,11,17,0) 100%),
    linear-gradient(to top, var(--ink) 1%, rgba(8,11,17,0) 30%);
}
/* faint engineering grid */
.hero-grid{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(93,117,137,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(93,117,137,.07) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(105deg,#000 0%,rgba(0,0,0,.2) 55%,transparent 80%);
          mask-image:linear-gradient(105deg,#000 0%,rgba(0,0,0,.2) 55%,transparent 80%);
}
.hero-inner{position:relative;z-index:3;width:100%;}
.hero-content{max-width:760px;}
.hero .kicker{
  color:var(--electric);display:inline-flex;align-items:center;gap:12px;margin-bottom:26px;white-space:nowrap;
}
.hero .kicker::before{content:"";width:42px;height:1px;background:var(--electric);display:inline-block;}
h1.headline{
  color:#fff;font-weight:800;
  font-size:clamp(40px,7vw,92px);line-height:.98;letter-spacing:.005em;
  text-transform:uppercase;text-wrap:balance;
}
h1.headline .accent{
  color:transparent;background:linear-gradient(180deg,#cdd9e4,var(--electric));
  -webkit-background-clip:text;background-clip:text;
  position:relative;display:inline-block;
}
h1.headline .accent::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.07em;
  background:linear-gradient(90deg,var(--electric),transparent);border-radius:2px;
  box-shadow:0 0 22px var(--electric-soft);
}
.subhead{
  color:rgba(232,238,244,.78);font-size:clamp(16px,1.55vw,21px);line-height:1.55;
  max-width:540px;margin-top:26px;font-weight:400;
}
.cta-row{display:flex;align-items:center;gap:26px;margin-top:42px;flex-wrap:wrap;}
.btn{
  --bg:var(--electric);
  display:inline-flex;align-items:center;gap:12px;
  font-family:'Lato',sans-serif;font-weight:900;font-size:14px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink);background:var(--bg);
  padding:17px 30px;border:none;cursor:pointer;border-radius:2px;
  position:relative;overflow:hidden;isolation:isolate;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
  box-shadow:0 0 0 rgba(0,0,0,0);
}
.btn .arr{transition:transform .35s var(--ease);}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,#dbe6f0,var(--electric));
  opacity:0;transition:opacity .35s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 40px var(--electric-soft);}
.btn:hover::before{opacity:1;}
.btn:hover .arr{transform:translateX(5px);}
.ghost-link{
  display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;
  font-size:13px;letter-spacing:.13em;text-transform:uppercase;opacity:.85;transition:opacity .3s,gap .3s;white-space:nowrap;
}
.ghost-link:hover{opacity:1;gap:14px;}

.scroll-cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:rgba(255,255,255,.5);font-size:10px;letter-spacing:.3em;text-transform:uppercase;
}
.scroll-cue .dot{width:1px;height:38px;background:linear-gradient(var(--electric),transparent);position:relative;overflow:hidden;}
.scroll-cue .dot::after{content:"";position:absolute;top:-50%;left:0;width:100%;height:50%;background:var(--electric);animation:cue 1.9s var(--ease) infinite;}
@keyframes cue{0%{top:-50%}60%{top:120%}100%{top:120%}}

/* ===== 7. PRODUCTS ===== */
.products{background:var(--off-white);position:relative;padding:clamp(80px,11vw,140px) 0;}
.products::before{
  content:"";position:absolute;top:0;left:0;right:0;height:120px;
  background:linear-gradient(var(--ink),transparent);opacity:.0;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:56px;}
.sec-head .kicker{color:var(--steel);}
.sec-head h2{
  color:var(--charcoal);text-transform:uppercase;font-weight:700;
  font-size:clamp(30px,4.4vw,56px);line-height:1.02;margin-top:14px;letter-spacing:.01em;
}
.sec-head .lead{color:var(--mid);max-width:380px;font-size:16px;line-height:1.6;}

.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.card{
  position:relative;background:var(--ink-card);color:#fff;border-radius:6px;
  padding:40px 38px 34px;overflow:hidden;border:1px solid rgba(255,255,255,.07);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
  min-height:340px;display:flex;flex-direction:column;
}
/* animated glow border */
.card::before{
  content:"";position:absolute;inset:0;border-radius:6px;padding:1px;
  background:linear-gradient(135deg,var(--c,var(--electric)),transparent 42%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
          mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .5s var(--ease);pointer-events:none;
}
.card::after{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,var(--c,var(--electric)),transparent 65%);
  opacity:0;top:-120px;right:-120px;filter:blur(20px);
  transition:opacity .55s var(--ease);pointer-events:none;
}
.card:hover{transform:translateY(-8px);box-shadow:0 30px 70px -30px rgba(8,11,17,.6);border-color:transparent;}
.card:hover::before{opacity:1;}
.card:hover::after{opacity:.18;}

.card .idx{
  font-family:'Cinzel',serif;font-weight:600;font-size:13px;letter-spacing:.2em;
  color:var(--c,var(--electric));opacity:.85;
}
.card .glyph{
  width:48px;height:48px;border-radius:50%;margin:22px 0 26px;position:relative;
  border:1.5px solid var(--c,var(--electric));display:flex;align-items:center;justify-content:center;
}
.card .glyph::after{content:"";width:16px;height:16px;border-radius:50%;background:var(--c,var(--electric));box-shadow:0 0 18px var(--c,var(--electric));}
.card.pod .glyph::after{border-radius:3px;width:14px;height:14px;background:transparent;border:2px solid var(--c);box-shadow:0 0 16px var(--c);}
.card h3{
  font-size:clamp(26px,3vw,34px);font-weight:700;text-transform:uppercase;letter-spacing:.02em;line-height:1;
}
.card .desc{color:rgba(230,236,242,.66);font-size:16px;line-height:1.6;margin-top:16px;max-width:34ch;flex:1;}
.card .learn{
  margin-top:26px;display:inline-flex;align-items:center;gap:10px;align-self:flex-start;
  font-weight:900;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--c,var(--electric));
  transition:gap .35s var(--ease);
}
.card .learn .arr{transition:transform .35s var(--ease);}
.card:hover .learn{gap:14px;}
.card:hover .learn .arr{transform:translateX(4px);}
.card .corner{position:absolute;bottom:30px;right:34px;font-family:'Cinzel',serif;font-weight:700;font-size:64px;color:rgba(255,255,255,.04);line-height:1;user-select:none;}

/* ===== 8. TAGLINE STRIP ===== */
.strip{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:clamp(70px,10vw,118px) 0;text-align:center;
}
.strip-grid{
  position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:
    linear-gradient(rgba(93,117,137,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(93,117,137,.08) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(ellipse 70% 120% at 50% 50%,#000,transparent 75%);
          mask-image:radial-gradient(ellipse 70% 120% at 50% 50%,#000,transparent 75%);
}
.strip .sweep{
  position:absolute;top:0;bottom:0;width:40%;
  background:linear-gradient(90deg,transparent,var(--electric-soft),transparent);
  filter:blur(40px);opacity:.5;animation:sweep 7s linear infinite;
}
@keyframes sweep{0%{left:-40%}100%{left:100%}}
.strip .kicker{color:var(--electric);margin-bottom:22px;}
.strip p{
  position:relative;font-family:'Playfair Display',serif;font-style:italic;font-weight:500;
  font-size:clamp(24px,3.6vw,46px);line-height:1.28;max-width:18ch;margin:0 auto;
  color:#eef3f8;text-wrap:balance;
}
.strip p .hl{color:#fff;font-style:italic;border-bottom:2px solid var(--electric);padding-bottom:2px;}

/* ===== 9. FOOTER ===== */
footer{background:var(--ink-2);color:rgba(255,255,255,.7);padding:clamp(54px,7vw,80px) 0 34px;border-top:1px solid var(--line);}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start;}
.foot-brand{display:flex;align-items:center;gap:14px;}
.foot-brand img{height:52px;width:auto;opacity:.95;}
.foot-brand .word .l1{font-family:'Cinzel',serif;font-weight:700;color:#fff;font-size:19px;letter-spacing:.13em;}
.foot-brand .word .l2{font-family:'Lato',sans-serif;font-weight:700;color:var(--electric);font-size:10.5px;letter-spacing:.44em;margin-top:5px;}
.foot-brand .word{display:flex;flex-direction:column;line-height:1;}
.foot-tag{color:rgba(255,255,255,.5);font-size:14px;line-height:1.6;max-width:280px;margin-top:14px;}
.foot-cols{display:flex;gap:clamp(40px,7vw,90px);flex-wrap:wrap;}
.foot-col h4{font-family:'Lato',sans-serif;font-weight:900;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.45);margin-bottom:16px;}
.foot-col a,.foot-col span{display:block;color:rgba(255,255,255,.8);font-size:15px;margin-bottom:11px;transition:color .3s;}
.foot-col a:hover{color:var(--electric);}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  margin-top:clamp(40px,6vw,64px);padding-top:26px;border-top:1px solid var(--line);
  font-size:12.5px;letter-spacing:.04em;color:rgba(255,255,255,.45);}
.foot-bottom .made{display:inline-flex;align-items:center;gap:9px;}
.foot-bottom .made .pip{width:7px;height:7px;border-radius:50%;background:var(--electric);box-shadow:0 0 12px var(--electric);}

/* ===== 10. SCROLL-REVEAL ANIMATION =====
   .shown is a hard snap (no transition) used as a fallback so content
   is never stuck mid-fade. JS in js/main.js drives .in / .shown. */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal.in{opacity:1;transform:none;}
.reveal.shown{opacity:1;transform:none;transition:none;}
.reveal.d1{transition-delay:.08s;} .reveal.d2{transition-delay:.16s;} .reveal.d3{transition-delay:.24s;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .strip .sweep,.scroll-cue .dot::after{animation:none;}
  html{scroll-behavior:auto;}
}

/* ===== 11. RESPONSIVE (mobile) ===== */
@media(max-width:760px){
  .nav-links{display:none;}
  .card-grid{grid-template-columns:1fr;}
  .hero-bg{background-position:70% 38%;}
  .hero-veil{background:linear-gradient(180deg,rgba(8,11,17,.82),rgba(8,11,17,.62) 50%,var(--ink)),linear-gradient(to top,var(--ink) 2%,transparent 26%);}
  .scroll-cue{display:none;}
  .brand .word .l1{font-size:16px;}
}