/* =========================================================
   ThreeAceTech — Stylesheet
   Design tokens
   ========================================================= */
:root{
  --bg:            #0B1220;
  --bg-elevated:   #121B2E;
  --bg-elevated-2: #17233A;
  --bg-elevated-3: #1D2B45;
  --text-primary:  #F2F4F1;
  --text-secondary:#93A0B4;
  --text-muted:    #5E6A80;
  --accent-cyan:   #46E0C8;
  --accent-cyan-dim: rgba(70,224,200,0.14);
  --accent-gold:   #E8B34F;
  --accent-gold-dim: rgba(232,179,79,0.14);
  --border:        rgba(242,244,241,0.09);
  --border-strong: rgba(242,244,241,0.16);

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body:    "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  --max-width: 1180px;
  --radius-sm: 6px;
  --radius-md: 14px;
  --ease: cubic-bezier(.22,.72,.28,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; margin:0; letter-spacing:-0.01em; }
p{ margin:0; }

.container{ max-width:var(--max-width); margin:0 auto; padding:0 32px; }
section{ position:relative; }

::selection{ background:var(--accent-cyan); color:#04110E; }

:focus-visible{
  outline:2px solid var(--accent-cyan);
  outline-offset:3px;
  border-radius:3px;
}

/* Background texture: faint grid */
.grid-field{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(242,244,241,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242,244,241,0.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}

/* =========================================================
   Eyebrow / mono labels
   ========================================================= */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--accent-cyan);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background:var(--accent-cyan);
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,18,32,0.78);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px;
  max-width:var(--max-width); margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display);
  font-size:19px; font-weight:700;
  letter-spacing:-0.01em;
}
.brand-mark{ width:30px; height:26px; position:relative; flex-shrink:0; }
.brand-mark span{
  position:absolute; width:15px; height:21px;
  border-radius:3px;
  border:1.5px solid currentColor;
}
.brand-mark span:nth-child(1){ left:0; top:2px; color:var(--accent-gold); transform:rotate(-9deg); background:rgba(232,179,79,0.08); }
.brand-mark span:nth-child(2){ left:7px; top:2px; color:var(--text-primary); transform:rotate(0deg); background:rgba(242,244,241,0.06); }
.brand-mark span:nth-child(3){ left:14px; top:2px; color:var(--accent-cyan); transform:rotate(9deg); background:rgba(70,224,200,0.08); }

.nav-links{ display:flex; gap:34px; }
.nav-links a{
  font-size:14.5px; color:var(--text-secondary);
  transition:color .2s var(--ease);
  position:relative;
}
.nav-links a:hover{ color:var(--text-primary); }

.nav-cta{
  font-family:var(--font-mono);
  font-size:13px;
  padding:10px 18px;
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  transition:all .2s var(--ease);
  white-space:nowrap;
}
.nav-cta:hover{ border-color:var(--accent-cyan); color:var(--accent-cyan); box-shadow:0 0 0 3px var(--accent-cyan-dim); }

.nav-toggle{ display:none; }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  padding:110px 0 90px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:56px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(2.6rem, 4.6vw, 4rem);
  line-height:1.06;
  margin:22px 0 22px;
}
.hero-copy h1 em{
  font-style:normal;
  color:var(--accent-cyan);
}
.hero-copy p{
  font-size:17.5px;
  color:var(--text-secondary);
  max-width:520px;
  margin-bottom:36px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:46px; }

.btn{
  font-family:var(--font-mono);
  font-size:14px;
  padding:14px 26px;
  border-radius:var(--radius-sm);
  display:inline-flex; align-items:center; gap:10px;
  transition:all .2s var(--ease);
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{
  background:var(--accent-cyan);
  color:#04110E;
  font-weight:600;
}
.btn-primary:hover{ background:#5CEBD5; transform:translateY(-2px); box-shadow:0 10px 24px -8px rgba(70,224,200,0.45); }
.btn-ghost{
  border-color:var(--border-strong);
  color:var(--text-primary);
}
.btn-ghost:hover{ border-color:var(--accent-gold); color:var(--accent-gold); }

.hero-stats{ display:flex; gap:40px; }
.hero-stat b{ font-family:var(--font-display); font-size:26px; display:block; }
.hero-stat span{ font-size:12.5px; color:var(--text-muted); font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.06em; }

/* Signature visual: triple-ace stack */
.ace-stack{
  position:relative;
  height:420px;
  display:flex; align-items:center; justify-content:center;
}
.ace-card{
  position:absolute;
  width:200px; height:280px;
  border-radius:18px;
  border:1px solid var(--border-strong);
  background:linear-gradient(160deg, var(--bg-elevated), var(--bg-elevated-2));
  box-shadow:0 30px 60px -25px rgba(0,0,0,0.65);
  padding:22px;
  display:flex; flex-direction:column; justify-content:space-between;
  font-family:var(--font-mono);
  transition:transform .5s var(--ease);
}
.ace-card .corner{ font-size:20px; font-weight:600; }
.ace-card .glyph{ align-self:center; font-size:52px; }
.ace-card .corner.bottom{ align-self:flex-end; transform:rotate(180deg); }

.ace-card.c1{ transform:rotate(-14deg) translate(-64px, 10px); color:var(--accent-gold); border-color:rgba(232,179,79,0.35); z-index:1; }
.ace-card.c2{ transform:rotate(-1deg) translate(0,-14px); color:var(--text-primary); z-index:2; }
.ace-card.c3{ transform:rotate(13deg) translate(64px, 16px); color:var(--accent-cyan); border-color:rgba(70,224,200,0.35); z-index:1; }

.ace-stack:hover .c1{ transform:rotate(-20deg) translate(-84px, 4px); }
.ace-stack:hover .c2{ transform:rotate(-1deg) translate(0,-24px); }
.ace-stack:hover .c3{ transform:rotate(19deg) translate(84px, 10px); }

/* =========================================================
   Section heading pattern
   ========================================================= */
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:40px; margin-bottom:52px; flex-wrap:wrap;
}
.section-head h2{ font-size:clamp(1.8rem,3vw,2.5rem); margin-top:14px; max-width:600px; }
.section-head p{ color:var(--text-secondary); max-width:380px; font-size:15px; padding-bottom:4px; }

.section-pad{ padding:100px 0; }
.divider-cut{
  height:120px;
  background:linear-gradient(180deg, transparent, var(--bg-elevated) 100%);
  clip-path: polygon(0 40%, 100% 0, 100% 100%, 0% 100%);
  margin-top:-1px;
}

/* =========================================================
   Services
   ========================================================= */
.services{ background:var(--bg-elevated); }
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
}
.service-card{
  background:var(--bg-elevated);
  padding:36px 30px;
  transition:background .25s var(--ease);
  position:relative;
}
.service-card:hover{ background:var(--bg-elevated-3); }
.service-index{
  font-family:var(--font-mono); font-size:12px; color:var(--text-muted);
}
.service-card h3{ font-size:19px; margin:18px 0 10px; }
.service-card p{ color:var(--text-secondary); font-size:14.5px; }
.service-card .tag-row{ margin-top:18px; display:flex; flex-wrap:wrap; gap:8px; }
.tag{
  font-family:var(--font-mono); font-size:11px;
  padding:4px 9px; border-radius:100px;
  border:1px solid var(--border-strong); color:var(--text-secondary);
}

/* =========================================================
   Projects
   ========================================================= */
.filter-row{ display:flex; gap:10px; margin-bottom:36px; flex-wrap:wrap; }
.filter-btn{
  font-family:var(--font-mono); font-size:12.5px;
  padding:9px 16px; border-radius:100px;
  border:1px solid var(--border-strong);
  color:var(--text-secondary);
  transition:all .2s var(--ease);
  cursor:pointer; background:none;
}
.filter-btn:hover{ color:var(--text-primary); border-color:var(--text-secondary); }
.filter-btn.active{ background:var(--accent-cyan); color:#04110E; border-color:var(--accent-cyan); font-weight:600; }

.project-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:22px;
}
.project-card{
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:26px;
  transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.project-card:hover{
  transform:rotate(-0.6deg) translateY(-6px);
  border-color:var(--border-strong);
  box-shadow:0 24px 40px -22px rgba(0,0,0,0.6);
}
.project-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:22px;}
.project-cat{
  font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.08em;
  padding:5px 10px; border-radius:5px;
}
.project-cat.mobile{ color:var(--accent-cyan); background:var(--accent-cyan-dim); }
.project-cat.gaming{ color:var(--accent-gold); background:var(--accent-gold-dim); }
.project-cat.web{ color:#C6A8FF; background:rgba(198,168,255,0.12); }
.project-cat.ai{ color:#8FD8FF; background:rgba(143,216,255,0.12); }

.project-year{ font-family:var(--font-mono); font-size:11.5px; color:var(--text-muted); }
.project-card h3{ font-size:19px; margin-bottom:8px; }
.project-card .desc{ color:var(--text-secondary); font-size:14px; margin-bottom:20px; min-height:60px; }
.project-stack{ display:flex; flex-wrap:wrap; gap:7px; }

/* =========================================================
   Process
   ========================================================= */
.process{ background:var(--bg-elevated); }
.process-list{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--border); border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden;
}
.process-step{ background:var(--bg-elevated); padding:32px 26px; }
.process-step .num{ font-family:var(--font-mono); font-size:13px; color:var(--accent-gold); }
.process-step h4{ font-size:16.5px; margin:14px 0 8px; }
.process-step p{ font-size:13.5px; color:var(--text-secondary); }

/* =========================================================
   Stats band
   ========================================================= */
.stats-band{
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
}
.stat-item{ padding:34px 30px; border-left:1px solid var(--border); }
.stat-item:first-child{ border-left:none; }
.stat-item b{ font-family:var(--font-display); font-size:32px; display:block; color:var(--accent-cyan); }
.stat-item span{ font-family:var(--font-mono); font-size:12px; color:var(--text-muted); text-transform:uppercase; letter-spacing:.06em; }

/* =========================================================
   Contact / Emails
   ========================================================= */
.contact{ }
.contact-grid{
  display:grid; grid-template-columns:0.9fr 1.1fr; gap:60px;
}
.contact-lead h2{ font-size:clamp(1.9rem,3.4vw,2.7rem); margin:16px 0 20px; }
.contact-lead p{ color:var(--text-secondary); font-size:15.5px; max-width:440px; margin-bottom:28px;}
.contact-address{ font-family:var(--font-mono); font-size:13.5px; color:var(--text-secondary); line-height:2; }
.contact-address b{ color:var(--text-primary); display:block; font-family:var(--font-body); font-weight:600; margin-bottom:6px; }

.email-list{ display:grid; gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden; }
.email-row{
  background:var(--bg-elevated);
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 24px;
  transition:background .2s var(--ease);
}
.email-row:hover{ background:var(--bg-elevated-3); }
.email-role{ display:flex; flex-direction:column; gap:4px; }
.email-role b{ font-size:15px; font-weight:600; }
.email-role span{ font-size:12.5px; color:var(--text-muted); }
.email-addr{
  font-family:var(--font-mono); font-size:14px; color:var(--accent-cyan);
  display:flex; align-items:center; gap:8px;
  padding:8px 12px; border:1px solid transparent; border-radius:var(--radius-sm);
  transition:all .2s var(--ease);
}
.email-addr:hover{ border-color:var(--accent-cyan); background:var(--accent-cyan-dim); }
.copy-hint{ font-size:10.5px; color:var(--text-muted); opacity:0; transition:opacity .2s; }
.email-addr:hover .copy-hint{ opacity:1; }

/* =========================================================
   CTA band
   ========================================================= */
.cta-band{
  background:linear-gradient(120deg, var(--bg-elevated-2), var(--bg-elevated));
  border:1px solid var(--border);
  border-radius:20px;
  padding:64px 60px;
  display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap;
}
.cta-band h3{ font-size:clamp(1.6rem,2.6vw,2.1rem); max-width:480px; }
.cta-band p{ color:var(--text-secondary); margin-top:10px; max-width:460px; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  border-top:1px solid var(--border);
  padding:56px 0 30px;
}
.footer-top{
  display:grid; grid-template-columns:1.3fr repeat(3,1fr); gap:40px;
  padding-bottom:44px;
}
.footer-brand p{ color:var(--text-secondary); font-size:14px; margin-top:14px; max-width:280px; }
.footer-col h5{
  font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.08em;
  color:var(--text-muted); margin-bottom:16px; font-weight:500;
}
.footer-col li{ margin-bottom:10px; }
.footer-col a{ font-size:14px; color:var(--text-secondary); transition:color .2s; }
.footer-col a:hover{ color:var(--accent-cyan); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:26px; border-top:1px solid var(--border);
  font-family:var(--font-mono); font-size:12px; color:var(--text-muted); flex-wrap:wrap; gap:12px;
}

/* =========================================================
   Reveal-on-scroll
   ========================================================= */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; }
  .ace-stack{ height:280px; }
  .service-grid{ grid-template-columns:1fr; }
  .process-list{ grid-template-columns:1fr 1fr; }
  .project-grid{ grid-template-columns:1fr 1fr; }
  .stats-band{ grid-template-columns:1fr 1fr; }
  .stat-item:nth-child(3){ border-left:none; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 640px){
  .container{ padding:0 20px; }
  .nav-links{ display:none; }
  .project-grid{ grid-template-columns:1fr; }
  .process-list{ grid-template-columns:1fr; }
  .stats-band{ grid-template-columns:1fr 1fr; }
  .footer-top{ grid-template-columns:1fr; }
  .cta-band{ padding:40px 26px; flex-direction:column; align-items:flex-start; }
  .email-row{ flex-direction:column; align-items:flex-start; gap:12px; }
  .hero{ padding:80px 0 60px; }
}