/* ============================================================
   piopy.css — dark-tech terminal portfolio
   Self-hosted fonts + CSS variables + single brand accent.
   Loaded last, overrides Bootstrap 3 visuals only.
   ============================================================ */

@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/JetBrainsMono-400.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/JetBrainsMono-500.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/JetBrainsMono-700.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/SpaceGrotesk-400.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/SpaceGrotesk-500.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/SpaceGrotesk-700.woff2') format('woff2');}

/* ---------- tokens ---------- */
:root{
  --font-sans:'Space Grotesk','Helvetica Neue',sans-serif;
  --font-mono:'JetBrains Mono',monospace;

  --bg:#0b0c0f;
  --surface:#12141a;
  --surface-2:#181b22;
  --border:rgba(255,255,255,.08);
  --border-2:rgba(255,255,255,.16);
  --text:#e8e8ea;
  --text-2:#9a9aa3;
  --text-3:#6d6d78;
  --accent:#ff9019;
  --accent-ink:#140c02;
  --accent-dim:rgba(255,144,25,.12);
  --grid-line:rgba(255,255,255,.035);
  --hero-overlay:rgba(11,12,15,.78);
  --media-bg:#e9e9ec;
  color-scheme:dark;
}

body.light-mode{
  --bg:#f6f6f4;
  --surface:#ffffff;
  --surface-2:#ececea;
  --border:rgba(0,0,0,.09);
  --border-2:rgba(0,0,0,.16);
  --text:#1b1b1f;
  --text-2:#55555c;
  --text-3:#8c8c94;
  --accent:#b45309;
  --accent-ink:#ffffff;
  --accent-dim:rgba(180,83,9,.1);
  --grid-line:rgba(0,0,0,.035);
  --hero-overlay:rgba(246,246,244,.82);
  color-scheme:light;
}

/* ---------- base ---------- */
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-weight:400;
  overflow-x:hidden;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  transition:background .35s ease,color .35s ease;
}
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse 80% 55% at 50% 0%,var(--accent-dim),transparent 60%);
}
body.light-mode::before{opacity:.7}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font-sans);
  color:var(--text);
  font-weight:500;
  letter-spacing:-.02em;
  line-height:1.15;
}
p{color:var(--text-2);font-size:15px;line-height:1.7}
a{color:var(--text);transition:color .2s ease;text-decoration:none!important}
a:hover,a:focus{color:var(--accent)}
strong{color:var(--text);font-weight:500}
::selection{background:var(--accent);color:var(--accent-ink)}

/* ---------- scrollbar (theme-aware, taste: single accent, no glow) ---------- */
html{scrollbar-width:thin;scrollbar-color:var(--text-3) transparent}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{
  background:var(--text-3);
  border-radius:8px;
  border:2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

.container{max-width:1180px}

section{
  position:relative;padding:96px 0;
  background:var(--bg);
  background:color-mix(in srgb,var(--bg) 74%,transparent);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

.mono{font-family:var(--font-mono)}

/* ---------- preloader ---------- */
.preloader{
  position:fixed;inset:0;z-index:99999;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);
}
.spinner{position:relative;width:44px;height:44px}
.spinner:before{
  content:'';position:absolute;inset:0;border-radius:50%;
  border:1px solid var(--border-2);border-top-color:var(--accent);
  animation:spin .9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- nav ---------- */
.custom-navbar{
  border:none;margin-bottom:0;
  padding:22px 0;
  transition:background .3s ease,box-shadow .3s ease,padding .3s ease;
  background:transparent;
}
.custom-navbar.top-nav-collapse{
  background:var(--bg);
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:none;
  padding:10px 0;
}
.custom-navbar .navbar-brand{
  font-family:var(--font-mono);
  font-size:19px;
  font-weight:500;
  color:var(--accent);
  letter-spacing:-.5px;
  position:relative;
  padding-top:8px;
  line-height:22px;
}
.custom-navbar .navbar-brand::after{
  content:'';display:inline-block;
  width:11px;height:2px;margin-left:3px;
  background:var(--accent);
  animation:blink 1s step-end infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.top-nav-collapse .navbar-brand{color:var(--accent)}

.custom-navbar .nav > li > a{
  color:var(--text-2);
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:400;
  letter-spacing:0;
  padding:10px 13px;
  transition:color .2s ease;
}
.custom-navbar .nav > li > a:hover,
.custom-navbar .nav > li > a:focus{
  color:var(--accent);background:transparent;
}
.custom-navbar .nav li.active > a{color:var(--accent)}
.custom-navbar .nav li a:hover{background:transparent}

.custom-navbar .navbar-toggle{border:none;padding-top:10px}
.custom-navbar .navbar-toggle .icon-bar{background:var(--text)}
.navbar-collapse{border-color:var(--border)}

/* ---------- buttons ---------- */
.section-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);
  border:1px solid transparent;
  border-radius:8px;
  color:var(--accent-ink);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:500;
  padding:12px 22px;
  cursor:pointer;
  transition:transform .15s ease,background .2s ease,color .2s ease,border-color .2s ease,opacity .2s;
}
.section-btn:hover,.section-btn:focus{
  background:var(--accent);
  color:var(--accent-ink);
  opacity:.85;
  transform:translateY(-1px);
}
.section-btn:active{transform:translateY(0) scale(.98)}

.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--border-2);
}
.btn-ghost:hover,.btn-ghost:focus{
  background:var(--surface-2);
  color:var(--text);
  border-color:var(--accent);
  opacity:1;
}

/* ---------- hero ---------- */
#home{
  min-height:100dvh;
  display:flex;align-items:center;
  padding-top:96px;
  text-align:left;
  overflow:hidden;
  background:var(--bg);
  background:color-mix(in srgb,var(--bg) 52%,transparent);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
#home::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 90% at 30% 40%,black 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 90% at 30% 40%,black 30%,transparent 75%);
}
#home .home-bg-sheen{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 55% at 78% 40%,var(--accent-dim),transparent 65%);
}
.hero-fade{
  position:absolute;left:0;right:0;bottom:0;height:140px;
  pointer-events:none;
  background:linear-gradient(to bottom,transparent,color-mix(in srgb,var(--bg) 74%,transparent));
}

.home-kicker{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
  display:flex;align-items:center;gap:12px;
}
.home-kicker::before{
  content:'';width:34px;height:1px;background:var(--accent);
}
.home-kicker .home-status{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--text-2);
}
.home-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,144,25,.5)}
  70%{box-shadow:0 0 0 8px rgba(255,144,25,0)}
  100%{box-shadow:0 0 0 0 rgba(255,144,25,0)}
}
body.light-mode .home-kicker .dot{animation:none}

#home h1{
  font-family:var(--font-mono);
  font-size:clamp(2.5rem,7vw,4.6rem);
  font-weight:500;
  letter-spacing:-.035em;
  line-height:1.02;
  color:var(--text);
  margin:0 0 20px;
  word-break:break-word;
}
#home h1 .cursor{
  display:inline-block;width:.55em;height:1em;
  background:var(--accent);
  vertical-align:-.12em;
  animation:blink 1.1s step-end infinite;
  margin-left:.08em;
}
.home-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:46ch;
  line-height:1.75;
  margin-bottom:34px;
}
.home-sub strong{color:var(--text)}

.home-cta{display:flex;flex-wrap:wrap;gap:12px}

/* terminal card */
.home-terminal{
  border:1px solid var(--border-2);
  border-radius:12px;
  background:var(--surface);
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.term-head{
  display:flex;align-items:center;gap:6px;
  padding:11px 16px;
  border-bottom:1px solid var(--border);
  background:var(--surface-2);
}
.term-head .t-dot{width:10px;height:10px;border-radius:50%;background:var(--text-3);opacity:.55}
.term-head .t-dot:first-child{background:var(--accent);opacity:1}
.term-head .t-title{
  margin-left:8px;font-family:var(--font-mono);font-size:11.5px;color:var(--text-3);
}
.term-body{padding:18px 20px;font-family:var(--font-mono);font-size:13px;line-height:2}
.term-body .t-line{color:var(--text-2);white-space:nowrap}
.term-body .t-prompt{color:var(--accent)}
.term-body .t-out{color:var(--text-3)}
.term-body .t-val{color:var(--text)}
.term-body .t-cmd{color:var(--text)}

/* ---------- section headers ---------- */
.section-title{margin-bottom:56px;text-align:left}
.section-title.text-center{text-align:center}
.sec-label{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--accent);
  display:flex;align-items:center;gap:10px;
  margin-bottom:14px;
  letter-spacing:0;
  text-transform:none;
}
.sec-label::before{content:'//';color:var(--text-3)}
.section-title.text-center .sec-label{justify-content:center}
.section-title h2{
  font-size:clamp(1.8rem,3.6vw,2.5rem);
  font-weight:500;
  letter-spacing:-.03em;
  color:var(--text);
  margin:0;
}
.sec-sub{
  margin-top:12px;
  max-width:56ch;
  color:var(--text-2);
  font-size:15px;
}
.section-title.text-center .sec-sub{margin-left:auto;margin-right:auto}
.line-bar{
  display:block;width:44px;height:2px;
  background:var(--accent);
  margin-top:18px;
  border-radius:2px;
}
.section-title.text-center .line-bar{margin-left:auto;margin-right:auto}

/* ---------- reveal (hidden only when JS active) ---------- */
html.js .reveal{opacity:0;transform:translateY(18px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
html:not(.js) .reveal{opacity:1;transform:none}

/* ---------- about ---------- */
#about-me-container{
  text-align:left;
}
#about-me-container p{
  display:flex;align-items:flex-start;gap:14px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.7;
  margin-bottom:16px;
  padding:14px 18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
  transition:border-color .2s ease,transform .2s ease;
}
#about-me-container p:hover{border-color:var(--border-2);transform:translateX(4px)}
#about-me-container p i{
  color:var(--accent);
  font-size:15px;
  margin-top:4px;
  flex:0 0 auto;
}
#about-me-container p .fa-spin{color:var(--accent)}

.about-side{
  position:sticky;top:110px;
  text-align:left;
}
.about-side .profile-photo{
  width:124px;height:124px;
  border-radius:50%;
  overflow:hidden;
  border:1px solid var(--border-2);
  box-shadow:0 0 0 5px var(--accent);
  box-shadow:0 0 0 5px color-mix(in srgb,var(--accent) 80%,transparent);
  margin-bottom:24px;
}
.about-side .profile-photo img{
  width:100%;height:100%;
  object-fit:cover;
  filter:grayscale(.15);
}
.about-side .name-title{
  font-family:var(--font-mono);
  font-size:clamp(1.5rem,3vw,2.1rem);
  font-weight:500;
  letter-spacing:-.03em;
  color:var(--text);
  margin-bottom:14px;
}
.about-side .name-title .cursor{display:inline-block;width:.5em;height:1em;background:var(--accent);vertical-align:-.1em;animation:blink 1.1s step-end infinite}
.about-side p{color:var(--text-2);max-width:38ch;font-size:15px}

/* ---------- experience ---------- */
#experience{background:var(--surface);background:color-mix(in srgb,var(--surface) 62%,transparent);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.work-experience-item{
  text-align:left;
  padding:30px 30px 24px;
  background:var(--bg);
  border:1px solid var(--border);
  border-left:3px solid var(--accent);
  border-radius:10px;
  margin-bottom:28px;
  transition:border-color .25s ease,transform .25s ease;
}
.work-experience-item:hover{border-color:var(--border-2);transform:translateY(-3px)}
.job-header h3{
  font-size:20px;
  font-weight:500;
  color:var(--text);
  margin:0 0 6px;
}
.company-highlight{color:var(--accent);font-weight:500}
.job-meta{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--text-3);
  margin:0 0 18px;
  text-align:left;
  padding-bottom:14px;
  border-bottom:1px dashed var(--border);
}
.job-meta i{color:var(--accent);margin-right:6px}
.separator{margin:0 12px;color:var(--text-3)}
.accomplishments-list{list-style:none;margin:0;padding:0}
.accomplishments-list li{
  position:relative;
  padding:8px 0 8px 26px;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.7;
}
.accomplishments-list li::before{
  content:'→';
  position:absolute;left:4px;top:8px;
  color:var(--accent);
  font-family:var(--font-mono);
  font-size:14px;
}

/* ---------- technologies ---------- */
.tech-sec-label{
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:500;
  color:var(--text);
  text-align:center;
  margin:0 0 6px;
  letter-spacing:0;
  text-transform:none;
}
.tech-sec-label .dash{color:var(--accent)}
.tech-sec-desc{text-align:center;color:var(--text-3);font-family:var(--font-mono);font-size:11.5px;margin-bottom:24px}
.tech-scroll-container{
  overflow:hidden;position:relative;padding:20px 0;min-height:196px;
  touch-action:pan-x;-webkit-user-select:none;user-select:none;
}
.tech-scroll-inner{display:flex;width:max-content;animation:scrollDesktop 40s linear infinite}
@keyframes scrollDesktop{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.tech-box{
  flex:0 0 auto;width:152px;height:190px;
  margin-right:18px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:14px;
  background:var(--surface);
  border:1px solid var(--border);
  border-left:3px solid var(--cat,var(--border));
  border-radius:12px;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.tech-box:hover{transform:translateY(-4px);border-color:var(--accent);border-left-color:var(--cat,var(--accent));background:var(--surface-2)}
.tech-box a{display:flex;flex-direction:column;align-items:center;width:100%;height:100%}
.tech-box img{max-height:44px;max-width:64px;margin-bottom:12px;object-fit:contain;filter:brightness(0) invert(1);opacity:.88}
.tech-box:hover img{filter:none;opacity:1}
body.light-mode .tech-box img{filter:grayscale(.3);opacity:1}
body.light-mode .tech-box:hover img{filter:none}
.tech-box span{
  font-size:13px;font-weight:500;color:var(--text);text-align:center;line-height:1.3;
}
.tech-cat{
  font-family:var(--font-mono);font-size:10px;color:var(--cat,var(--text-3));
  letter-spacing:.04em;margin-top:4px;
}
.tech-box p{
  margin:6px 0 0;text-align:center;font-size:11px;color:var(--text-3);
  line-height:1.45!important;padding:0 2px;
}
.scroll-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:38px;height:38px;border-radius:50%;
  background:var(--surface-2);
  border:1px solid var(--border-2);
  color:var(--text-2);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-family:var(--font-mono);
  z-index:10;user-select:none;
  transition:opacity .2s,color .2s,border-color .2s;
}
.scroll-arrow:hover{color:var(--accent);border-color:var(--accent)}
.left-arrow{left:12px}
.right-arrow{right:12px}

/* ---------- projects ---------- */
.project-card{
  text-align:left;
  display:flex;flex-direction:column;
  min-height:360px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  padding:22px;
  margin-bottom:26px;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.project-card:hover{transform:translateY(-4px);border-color:var(--accent);background:var(--surface-2)}
.project-image{
  width:46px;height:46px;border-radius:10px;
  background:var(--media-bg);
  border:1px solid var(--border-2);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;overflow:hidden;
}
.project-image img{max-width:26px;max-height:26px;object-fit:contain}
.project-details{display:flex;flex-direction:column;flex-grow:1}
.project-details small{
  font-family:var(--font-mono);
  font-size:11.5px;color:var(--text-3);letter-spacing:0;text-transform:none;
  margin-bottom:8px;
}
.project-details small i{color:var(--accent);margin-right:5px}
.project-details h3{font-size:17px;font-weight:500;margin:0 0 10px;color:var(--text);letter-spacing:-.01em}
.project-details h3 a{color:var(--text)}
.project-details h3 a:hover{color:var(--accent)}
.project-details p{font-size:13.5px;line-height:1.65;color:var(--text-2);margin:0 0 14px;flex-grow:1}
.project-tags{margin-top:auto;display:flex;flex-wrap:wrap;gap:6px}
.project-tag{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:10.5px;font-weight:400;
  color:var(--accent);
  background:var(--accent-dim);
  border:1px solid rgba(255,144,25,.25);
  border-radius:6px;
  padding:3px 9px;
  transition:background .2s ease,transform .2s ease;
}
.project-tag:hover{background:var(--accent);color:var(--accent-ink);transform:scale(1.05)}

/* ---------- articles ---------- */
.article-card,.certification-card{
  text-align:left;
  background:var(--surface);
  border:1px solid var(--border);
  border-top:3px solid var(--accent);
  border-radius:12px;
  padding:28px;
  margin-bottom:26px;
  height:100%;
  transition:transform .25s ease,border-color .25s ease;
}
.article-card:hover,.certification-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.article-header h3,.certification-header h3{font-size:18px;font-weight:500;margin:0 0 8px;color:var(--text);letter-spacing:-.01em}
.article-header h3 a,.certification-header h3 a{color:var(--text)}
.article-header h3 a:hover,.certification-header h3 a:hover{color:var(--accent)}
.article-meta,.certification-meta{
  font-family:var(--font-mono);
  font-size:11.5px;color:var(--text-3);letter-spacing:0;
  margin-bottom:14px;
}
.article-meta i,.certification-meta i{color:var(--accent);margin-right:5px}
.article-description,.certification-description{font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:16px}
.article-tags{margin-bottom:14px;display:flex;flex-wrap:wrap;gap:6px}
.article-tag{
  display:inline-block;font-family:var(--font-mono);font-size:10.5px;
  color:var(--text-2);background:var(--surface-2);
  border:1px solid var(--border);border-radius:6px;padding:3px 9px;
}
.article-link,.certification-link{
  font-family:var(--font-mono);font-size:12.5px;font-weight:500;
  color:var(--accent);
}
.article-link i,.certification-link i{margin-left:5px}

/* ---------- contact ---------- */
#contact{background:var(--surface);background:color-mix(in srgb,var(--surface) 62%,transparent);border-top:1px solid var(--border)}
#contact .contact-info-card{
  text-align:left;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:12px;
  padding:32px;
  height:100%;
  min-height:420px;
}
#contact .contact-info-card h3{font-size:16px;font-weight:500;color:var(--text);margin:0 0 22px}
.contact-detail{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--border);
}
.contact-detail i{color:var(--accent);font-size:16px;margin-top:2px;width:18px;text-align:center}
.contact-detail strong{display:block;font-size:11px;font-family:var(--font-mono);color:var(--text-3);font-weight:400;letter-spacing:.04em;margin-bottom:2px}
.contact-detail a,.contact-detail span{color:var(--text);font-size:14.5px}
.contact-detail a:hover{color:var(--accent)}
#contact .google-map{
  border-radius:12px;overflow:hidden;
  border:1px solid var(--border);
  height:420px;min-height:420px;
}
#contact .google-map #map{height:100%!important;width:100%!important}
.leaflet-tile-pane{filter:invert(1) hue-rotate(180deg) brightness(.9) contrast(.9)}
body.light-mode .leaflet-tile-pane{filter:none}
.leaflet-control-attribution{background:rgba(11,12,15,.45);color:#9a9aa3;font-size:10px;border-top:1px solid var(--border)}
.leaflet-control-attribution a{color:#9a9aa3}
body.light-mode .leaflet-control-attribution{background:rgba(255,255,255,.72);color:#55555c}
body.light-mode .leaflet-control-attribution a{color:#444}

/* ---------- footer ---------- */
footer{
  padding:36px 0 28px;
  border-top:1px solid var(--border);
  background:var(--bg);
}
.copyright-text p{
  font-family:var(--font-mono);
  font-size:12px;color:var(--text-3);text-align:center;
  margin:6px 0;line-height:1.6;
}
.copyright-text a{color:var(--text-2)}
.copyright-text a:hover{color:var(--accent)}

/* ---------- goto top ---------- */
#myBtn{
  display:flex;align-items:center;justify-content:center;
  position:fixed;bottom:24px;right:28px;z-index:99;
  width:44px;height:44px;border-radius:10px;
  border:none;cursor:pointer;
  background:var(--accent);color:var(--accent-ink);
  font-family:var(--font-mono);font-size:18px;font-weight:700;
  transition:opacity .25s ease,transform .2s ease;
}
#myBtn:hover{transform:translateY(-3px);opacity:.9}

/* ---------- responsive ---------- */
@media (max-width:991px){
  section{padding:72px 0}
  .home-terminal{margin-top:44px}
  #contact .google-map{height:320px;min-height:320px;margin-top:24px}
  #contact .contact-info-card{min-height:auto}
  .about-side{position:static;margin-bottom:28px}
}
@media (max-width:767px){
  section{padding:60px 0}
  .custom-navbar{background:var(--bg);border-bottom:1px solid var(--border);padding:10px 0}
  .navbar-collapse{background:var(--bg);border-top:1px solid var(--border);margin:0 -15px;padding:0 15px}
  .custom-navbar .navbar-brand{color:var(--accent)}
  .custom-navbar .nav > li > a{color:var(--text-2);padding:7px 12px}
  .custom-navbar .navbar-nav.navbar-right li{display:inline-block}
  .home-cta .section-btn{width:100%;justify-content:center}
  .term-body{font-size:12px;padding:14px 16px}
  .job-meta .separator{display:block;margin:4px 0}
}
@media (max-width:991px){
  .tech-scroll-container{
    -webkit-mask-image:linear-gradient(to right,transparent,black 20%,black 80%,transparent);
    mask-image:linear-gradient(to right,transparent,black 20%,black 80%,transparent);
  }
  .scroll-arrow{display:none}
}

/* ---------- terminal cursor ---------- */
.term-body .t-cursor{color:var(--accent);animation:blink 1s step-end infinite;font-weight:700}

/* ---------- easter-egg space invaders ---------- */
#space-invaders-game{
  position:fixed;inset:0;z-index:99999;
  background:rgba(11,12,15,.95);
  display:flex;align-items:center;justify-content:center;
  animation:fadeIn .3s ease;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.game-overlay{
  background:var(--surface);
  border:1px solid var(--border-2);
  border-top:3px solid var(--accent);
  border-radius:12px;
  padding:20px;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.game-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}
.game-header h2{color:var(--accent);font-family:var(--font-mono);font-size:18px;margin:0;letter-spacing:0}
.game-close{
  background:transparent;border:1px solid var(--border-2);color:var(--text-2);
  font-size:22px;width:36px;height:36px;border-radius:8px;cursor:pointer;line-height:1;
  transition:color .2s ease,border-color .2s ease;
}
.game-close:hover{color:var(--accent);border-color:var(--accent)}
#gameCanvas{display:block;border:1px solid var(--border);background:#0a0a0c;border-radius:8px;max-width:100%}
.game-controls{margin-top:14px;text-align:center;color:var(--text-2);font-family:var(--font-mono);font-size:12px}
.game-controls p{margin:4px 0;font-size:12px;text-align:center;color:var(--text-2)}
#game-score{color:var(--accent);font-weight:500}
@media (max-width:640px){
  #gameCanvas{width:100%;height:auto}
}

/* ---------- reduced motion / transparency ---------- */
@media (prefers-reduced-transparency:reduce){
  section{background:var(--bg)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .tech-scroll-inner{animation:none}
  .custom-navbar .navbar-brand::after,#home h1 .cursor,.about-side .name-title .cursor,.home-kicker .dot{animation:none}
  .spinner:before{animation-duration:1.6s}
}