/* ================= TOKENS ================= */
:root{
  --bg:#0B0D12;
  --bg-soft:#12151C;
  --bg-elevated:#161A22;
  --card:rgba(255,255,255,0.035);
  --card-strong:rgba(255,255,255,0.06);
  --border:rgba(255,255,255,0.09);
  --border-strong:rgba(255,255,255,0.16);
  --text:#E9EBF2;
  --text-muted:#8B92A5;
  --text-faint:#565D70;
  --accent-a:#5FE3F0;
  --accent-b:#8B7CF6;
  --accent-grad:linear-gradient(120deg,var(--accent-a),var(--accent-b));
  --accent-solid:#6EE7F9;
  --success:#4ADE80;
  --danger:#F87171;
  --shadow-soft:0 20px 60px -20px rgba(0,0,0,0.6);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --nav-h:76px;
  --sidebar-w:78px;
  --sidebar-w-open:224px;
}
[data-theme="light"]{
  --bg:#FAFAF8;
  --bg-soft:#F1F1EE;
  --bg-elevated:#FFFFFF;
  --card:rgba(10,12,16,0.03);
  --card-strong:rgba(10,12,16,0.05);
  --border:rgba(10,12,16,0.09);
  --border-strong:rgba(10,12,16,0.16);
  --text:#14161C;
  --text-muted:#5B6172;
  --text-faint:#8A90A0;
  --accent-a:#0E9AAE;
  --accent-b:#6D5BD0;
  --accent-solid:#0E9AAE;
  --shadow-soft:0 20px 50px -20px rgba(20,22,28,0.15);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .4s ease,color .4s ease;
}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;letter-spacing:-0.02em;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
img{max-width:100%;display:block;}
::selection{background:var(--accent-a);color:#00161A;}

.container{max-width:1240px;margin:0 auto;padding:0 32px;}
@media(max-width:640px){.container{padding:0 20px;}}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-solid);
  display:flex;align-items:center;gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--accent-solid);animation:eyebrowPulse 2.4s ease-in-out infinite;}
@keyframes eyebrowPulse{0%,100%{opacity:.5;width:22px;}50%{opacity:1;width:30px;}}
@media (prefers-reduced-motion: reduce){.eyebrow::before{animation:none;}}
.section-heading{font-size:clamp(28px,4vw,42px);font-weight:600;margin-bottom:16px;}
.section-sub{color:var(--text-muted);font-size:16px;max-width:560px;line-height:1.65;margin-bottom:56px;}
section{padding:120px 0;position:relative;}
@media(max-width:900px){section{padding:88px 0;}}

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

/* focus states */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent-solid);
  outline-offset:3px;
  border-radius:6px;
}

/* ================= CURSOR GLOW ================= */
#cursor-glow{
  position:fixed;inset:0;pointer-events:none;z-index:2;
  background:radial-gradient(560px circle at var(--x,50%) var(--y,50%), rgba(110,231,249,0.07), transparent 45%);
  transition:opacity .3s ease;
}
[data-theme="light"] #cursor-glow{
  background:radial-gradient(560px circle at var(--x,50%) var(--y,50%), rgba(14,154,174,0.06), transparent 45%);
}
@media(max-width:900px){#cursor-glow{display:none;}}

/* tech crosshair + dot-grid highlight that tracks the cursor */
.tech-cursor{position:fixed;top:0;left:0;pointer-events:none;z-index:3;opacity:0;transition:opacity .25s ease;}
.tech-cursor.show{opacity:1;}
.tech-cursor .ring{
  position:absolute;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--accent-solid);opacity:.55;
  transform:translate(-50%,-50%);
  transition:width .2s ease,height .2s ease;
}
.tech-cursor .ring::before,.tech-cursor .ring::after{content:'';position:absolute;background:var(--accent-solid);}
.tech-cursor .ring::before{left:50%;top:-9px;width:1px;height:6px;transform:translateX(-50%);}
.tech-cursor .ring::after{left:50%;bottom:-9px;width:1px;height:6px;transform:translateX(-50%);}
.tech-cursor .dot{
  position:absolute;width:3px;height:3px;border-radius:50%;background:var(--accent-solid);
  transform:translate(-50%,-50%);box-shadow:0 0 8px 1px var(--accent-solid);
}
.tech-cursor .coord{
  position:absolute;left:24px;top:-20px;font-family:var(--font-mono);font-size:9.5px;color:var(--accent-solid);opacity:.65;white-space:nowrap;
}
@media(max-width:900px){.tech-cursor{display:none;}}
@media (prefers-reduced-motion: reduce){.tech-cursor{display:none;}}

.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.35;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 75%);
  animation:gridPulse 8s ease-in-out infinite;
}
@keyframes gridPulse{0%,100%{opacity:.28;}50%{opacity:.42;}}
@media (prefers-reduced-motion: reduce){.bg-grid{animation:none;}}

/* scanline sweep used on hero + section headings */
.scan-wrap{position:relative;overflow:hidden;}
.scan-wrap::after{
  content:'';position:absolute;left:0;right:0;top:-40%;height:40%;
  background:linear-gradient(180deg,transparent,rgba(110,231,249,.10),transparent);
  animation:scanSweep 5.5s ease-in-out infinite;
  pointer-events:none;
}
@keyframes scanSweep{0%{top:-40%;}55%{top:110%;}100%{top:110%;}}
@media (prefers-reduced-motion: reduce){.scan-wrap::after{display:none;}}

/* ================= GLASS CARD ================= */
.glass{
  background:var(--card);
  border:1px solid var(--border);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-radius:var(--radius-lg);
}

/* ================= HEADER ================= */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  display:flex;align-items:center;
  transition:all .4s ease;
}
header .header-inner{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
}
header.scrolled{
  background:color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  height:66px;
}
@media(min-width:901px){
  header{left:var(--sidebar-w);width:calc(100% - var(--sidebar-w));}
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-weight:600;font-size:17px;
}
.logo .mark{
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-grad);
  color:#03151A;font-weight:700;font-size:14px;
  font-family:var(--font-mono);
}
nav.main-nav{display:flex;align-items:center;gap:2px;}
nav.main-nav a{
  position:relative;padding:9px 16px;font-size:14.5px;color:var(--text-muted);
  font-weight:500;border-radius:20px;transition:color .25s ease;
}
nav.main-nav a:hover{color:var(--text);}
nav.main-nav a.active{color:var(--text);}
nav.main-nav a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--accent-grad);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}

.theme-toggle{
  width:46px;height:26px;border-radius:20px;border:1px solid var(--border-strong);
  background:var(--card-strong);position:relative;padding:2px;
}
.theme-toggle .knob{
  width:20px;height:20px;border-radius:50%;background:var(--accent-grad);
  transition:transform .35s cubic-bezier(.65,0,.35,1);
  display:flex;align-items:center;justify-content:center;font-size:11px;
}
[data-theme="light"] .theme-toggle .knob{transform:translateX(20px);}

.resume-btn{
  font-size:13.5px;font-weight:600;padding:9px 18px;border-radius:20px;
  border:1px solid var(--border-strong);color:var(--text);
  transition:border-color .25s ease, background .25s ease;
}
.resume-btn:hover{border-color:var(--accent-solid);background:var(--card-strong);}

.sb-logo-mobile{display:none;}
@media(max-width:900px){.sb-logo-mobile{display:flex;}}
.hamburger{display:none;width:38px;height:38px;border-radius:9px;border:1px solid var(--border);background:var(--card);align-items:center;justify-content:center;}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:'';display:block;width:16px;height:2px;background:var(--text);position:relative;transition:.3s;
}
.hamburger span::before{position:absolute;top:-5px;}
.hamburger span::after{position:absolute;top:5px;}
.hamburger.open span{background:transparent;}
.hamburger.open span::before{transform:rotate(45deg);top:0;}
.hamburger.open span::after{transform:rotate(-45deg);top:0;}

nav.main-nav{display:none;}
@media(max-width:900px){
  .resume-btn{display:none;}
  .hamburger{display:flex;}
}
@media(min-width:901px){
  body{padding-left:var(--sidebar-w);}
}

/* ================= SIDEBAR (desktop rail + mobile drawer) ================= */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;z-index:210;
  width:var(--sidebar-w);
  display:flex;flex-direction:column;align-items:stretch;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  border-right:1px solid var(--border);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:width .35s cubic-bezier(.2,.7,.3,1),transform .35s cubic-bezier(.2,.7,.3,1),background .4s ease,border-color .4s ease;
  overflow:hidden;
}
.sidebar:hover{width:var(--sidebar-w-open);}

/* On phones/tablets the sidebar becomes a full slide-in drawer, opened via the header hamburger */
@media(max-width:900px){
  .sidebar{
    width:min(280px,78vw);
    transform:translateX(-100%);
    box-shadow:var(--shadow-soft);
  }
  .sidebar.mobile-open{transform:translateX(0);}
  /* labels are always visible on touch devices - there is no hover state */
  .sidebar .sb-top .full-name,
  .sidebar .sb-link .lbl,
  .sidebar .sb-link .idx,
  .sidebar .sb-status .lbl{
    opacity:1 !important;transform:none !important;
  }
  .sidebar .sb-tooltip{display:none;}
}
.sidebar-backdrop{
  position:fixed;inset:0;z-index:205;background:rgba(4,6,10,.55);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
  backdrop-filter:blur(2px);
}
.sidebar-backdrop.show{opacity:1;pointer-events:auto;}
@media(min-width:901px){.sidebar-backdrop{display:none;}}
body.no-scroll{overflow:hidden;}

.sb-top{
  height:var(--nav-h);display:flex;align-items:center;gap:10px;padding:0 20px;flex-shrink:0;
  border-bottom:1px solid var(--border);
}
.sb-top .mark{width:36px;height:36px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--accent-grad);color:#03151A;font-weight:700;font-family:var(--font-mono);font-size:14px;}
.sb-top .full-name{font-family:var(--font-mono);font-weight:600;font-size:14.5px;white-space:nowrap;opacity:0;transform:translateX(-6px);transition:opacity .25s ease,transform .3s ease;}
.sidebar:hover .sb-top .full-name{opacity:1;transform:translateX(0);}

.sb-nav{flex:1;display:flex;flex-direction:column;gap:2px;padding:16px 12px;overflow-y:auto;}
.sb-link{
  position:relative;
  display:flex;align-items:center;gap:14px;
  padding:11px 12px;border-radius:10px;
  color:var(--text-muted);white-space:nowrap;
  transition:background .22s ease,color .22s ease;
}
.sb-link svg{width:18px;height:18px;flex-shrink:0;}
.sb-link .lbl{opacity:0;transform:translateX(-6px);transition:opacity .22s ease,transform .28s ease;font-size:14px;font-weight:500;}
.sidebar:hover .sb-link .lbl{opacity:1;transform:translateX(0);}
.sb-link:hover{background:var(--card-strong);color:var(--text);}
.sb-link.active{color:var(--text);background:var(--card-strong);}
.sb-link.active::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:4px;background:var(--accent-grad);
}
.sb-link .idx{
  position:absolute;left:52px;font-family:var(--font-mono);font-size:9.5px;color:var(--text-faint);
  opacity:0;transition:opacity .22s ease;
}
.sidebar:hover .sb-link .idx{opacity:.7;}

.sb-tooltip{
  position:absolute;left:calc(var(--sidebar-w) + 10px);
  background:var(--bg-elevated);border:1px solid var(--border-strong);
  padding:6px 10px;border-radius:8px;font-size:12.5px;white-space:nowrap;
  opacity:0;pointer-events:none;transform:translateX(-4px);transition:opacity .2s ease,transform .2s ease;
  box-shadow:var(--shadow-soft);
}
.sb-link:hover .sb-tooltip{opacity:1;transform:translateX(0);}
.sidebar:hover .sb-tooltip{display:none;}

.sb-bottom{padding:16px 12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px;flex-shrink:0;}
.sb-resume-mobile{display:none;background:var(--accent-grad);color:#03151A;font-weight:600;}
.sb-resume-mobile:hover{background:var(--accent-grad);color:#03151A;}
.sb-resume-mobile svg{stroke:#03151A;}
@media(max-width:900px){.sb-resume-mobile{display:flex;}}
.sb-socials{display:flex;gap:8px;padding:0 4px;}
.sb-socials a{
  width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);border:1px solid var(--border);transition:.22s;flex-shrink:0;
}
.sb-socials a:hover{color:var(--accent-solid);border-color:var(--accent-solid);}
.sb-status{display:flex;align-items:center;gap:8px;padding:8px 12px;font-family:var(--font-mono);font-size:11px;color:var(--text-faint);white-space:nowrap;}
.sb-status .lbl{opacity:0;transform:translateX(-6px);transition:opacity .22s ease,transform .28s ease;}
.sidebar:hover .sb-status .lbl{opacity:1;transform:translateX(0);}
.sb-status .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(74,222,128,.15);flex-shrink:0;animation:pulseDot 2s ease-in-out infinite;}
@keyframes pulseDot{0%,100%{opacity:1;}50%{opacity:.4;}}

.scroll-progress{
  position:fixed;top:0;left:0;height:3px;background:var(--accent-grad);z-index:200;width:0%;
  transition:width .1s linear;
}

/* ================= HERO ================= */
#home{
  min-height:100vh;display:flex;align-items:center;
  padding-top:calc(var(--nav-h) + 40px);
  padding-bottom:60px;
}
.hero-grid{
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;align-items:center;
}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:56px;}}

.hero-hi{
  font-family:var(--font-mono);color:var(--accent-solid);font-size:15px;
  display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;
  opacity:0;animation:fadeUp .7s ease forwards;
}
.hero-hi .dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(74,222,128,.15);}

.hero-title{
  font-size:clamp(38px,5.4vw,68px);font-weight:700;line-height:1.06;
  opacity:0;animation:fadeUp .8s .1s ease forwards;
}
.hero-title .grad{
  background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{
  margin-top:26px;font-size:17.5px;line-height:1.75;color:var(--text-muted);max-width:520px;
  opacity:0;animation:fadeUp .8s .22s ease forwards;
}
.hero-cta{
  margin-top:38px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  opacity:0;animation:fadeUp .8s .34s ease forwards;
}
.btn{
  font-weight:600;font-size:14.5px;padding:14px 26px;border-radius:12px;
  display:inline-flex;align-items:center;gap:9px;transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--accent-grad);color:#03151A;}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px -12px rgba(110,231,249,.35);}
.btn-ghost{border-color:var(--border-strong);color:var(--text);}
.btn-ghost:hover{transform:translateY(-3px);background:var(--card-strong);border-color:var(--accent-solid);}
.btn-link{color:var(--text-muted);font-weight:500;padding:14px 6px;}
.btn-link:hover{color:var(--accent-solid);}
.btn svg{width:16px;height:16px;transition:transform .25s ease;}
.btn:hover svg.arrow{transform:translateX(3px);}

.hero-stats-mini{
  margin-top:52px;display:flex;gap:38px;flex-wrap:wrap;
  opacity:0;animation:fadeUp .8s .46s ease forwards;
}
.hero-stats-mini div b{font-family:var(--font-display);font-size:24px;display:block;}
.hero-stats-mini div span{font-size:12.5px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em;}

@keyframes fadeUp{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}

/* Terminal Card - SIGNATURE ELEMENT */
.term-wrap{
  opacity:0;animation:fadeUp 1s .3s ease forwards;
  position:relative;
}
.term-wrap::before{
  content:'';position:absolute;inset:-40px;
  background:radial-gradient(circle at 60% 30%, rgba(139,124,246,.16), transparent 60%);
  z-index:-1;
}
.terminal{
  background:var(--bg-elevated);
  border:1px solid var(--border-strong);
  border-radius:16px;
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  position:relative;
}
.terminal::after{
  content:'';position:absolute;inset:0;border-radius:16px;padding:1px;
  background:var(--accent-grad);opacity:.25;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.term-bar{
  display:flex;align-items:center;gap:8px;padding:14px 16px;
  border-bottom:1px solid var(--border);background:var(--card);
}
.term-bar .tdot{width:11px;height:11px;border-radius:50%;}
.term-bar .t1{background:#F87171;}.term-bar .t2{background:#FBBF24;}.term-bar .t3{background:#4ADE80;}
.term-bar span.fname{margin-left:auto;font-family:var(--font-mono);font-size:12px;color:var(--text-faint);}
.term-body{padding:24px 22px 28px;font-family:var(--font-mono);font-size:13.6px;line-height:2;color:var(--text-muted);min-height:260px;}
.term-body .ln{color:var(--text-faint);display:inline-block;width:20px;user-select:none;}
.tk-kw{color:#8B7CF6;}.tk-str{color:#5FE3F0;}.tk-fn{color:#F0B857;}.tk-prop{color:#7EE8B8;}.tk-punc{color:var(--text-faint);}
.caret{display:inline-block;width:7px;height:15px;background:var(--accent-solid);vertical-align:middle;animation:blink 1s step-end infinite;}
@keyframes blink{50%{opacity:0;}}

.dev-card-float{
  position:absolute;right:-10px;bottom:-26px;
  padding:14px 18px;border-radius:14px;
  display:flex;align-items:center;gap:12px;
  box-shadow:var(--shadow-soft);
  animation:floatY 5s ease-in-out infinite;
}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.dev-card-float .ic{width:36px;height:36px;border-radius:10px;background:var(--accent-grad);display:flex;align-items:center;justify-content:center;color:#03151A;font-weight:700;font-family:var(--font-mono);}
.dev-card-float b{display:block;font-size:13.5px;}
.dev-card-float span{font-size:11.5px;color:var(--text-muted);}
@media(max-width:960px){.dev-card-float{right:8px;bottom:-20px;}}

/* ================= TECH HOVER SCAN (cards) ================= */
.about-card,.skill-card,.proj-card,.service-card,.edu-card,.form-card{position:relative;}
.about-card::before,.skill-card::before,.proj-card::before,.service-card::before,.edu-card::before{
  content:'';position:absolute;top:0;left:-60%;width:55%;height:2px;
  background:var(--accent-grad);opacity:0;pointer-events:none;border-radius:2px;
}
.about-card:hover::before,.skill-card:hover::before,.proj-card:hover::before,.service-card:hover::before,.edu-card:hover::before{
  animation:cardScan .9s ease forwards;
}
@keyframes cardScan{0%{left:-60%;opacity:0;}12%{opacity:1;}88%{opacity:1;}100%{left:105%;opacity:0;}}
@media (prefers-reduced-motion: reduce){
  .about-card::before,.skill-card::before,.proj-card::before,.service-card::before,.edu-card::before{display:none;}
}

/* ================= SCROLL REVEAL ================= */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.65,.3,1),transform .7s cubic-bezier(.2,.65,.3,1);}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal-stagger > *{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal-stagger.in > *{opacity:1;transform:translateY(0);}
.reveal-stagger.in > *:nth-child(1){transition-delay:.05s;}
.reveal-stagger.in > *:nth-child(2){transition-delay:.12s;}
.reveal-stagger.in > *:nth-child(3){transition-delay:.19s;}
.reveal-stagger.in > *:nth-child(4){transition-delay:.26s;}
.reveal-stagger.in > *:nth-child(5){transition-delay:.33s;}
.reveal-stagger.in > *:nth-child(6){transition-delay:.40s;}

/* ================= ABOUT ================= */
.about-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:64px;align-items:start;}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:44px;}}
.about-text p{color:var(--text-muted);line-height:1.85;font-size:16px;margin-bottom:16px;}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:520px){.about-cards{grid-template-columns:1fr;}}
.about-card{padding:24px;transition:transform .3s ease, border-color .3s ease;}
.about-card:hover{transform:translateY(-6px);border-color:var(--accent-solid);}
.about-card .ic{width:40px;height:40px;border-radius:10px;background:var(--card-strong);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--accent-solid);}
.about-card h4{font-size:16px;margin-bottom:8px;}
.about-card p{color:var(--text-muted);font-size:14px;line-height:1.6;}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;}
@media(max-width:640px){.stat-row{grid-template-columns:repeat(2,1fr);}}
.stat-box{padding:22px 18px;text-align:left;}
.stat-box b{font-family:var(--font-display);font-size:32px;display:block;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-box span{font-size:12.5px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;}

/* ================= SKILLS ================= */
.skill-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.chip{
  padding:9px 18px;border-radius:20px;border:1px solid var(--border-strong);font-size:13.5px;font-weight:500;
  color:var(--text-muted);transition:.25s;
}
.chip.active,.chip:hover{color:var(--text);border-color:var(--accent-solid);background:var(--card-strong);}
.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;}
.skill-card{padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .3s ease,border-color .3s ease;}
.skill-card:hover{transform:translateY(-5px);border-color:var(--accent-solid);}
.skill-card .top{display:flex;align-items:center;justify-content:space-between;}
.skill-card .name{font-weight:600;font-size:15px;}
.skill-card .cat{font-size:11px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;font-family:var(--font-mono);}
.skill-bar{height:5px;border-radius:6px;background:var(--card-strong);overflow:hidden;}
.skill-bar i{display:block;height:100%;background:var(--accent-grad);border-radius:6px;width:0;transition:width 1.1s cubic-bezier(.2,.7,.3,1);}

/* ================= PROJECTS ================= */
.proj-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;}
.proj-card{overflow:hidden;transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;}
.proj-card:hover{transform:translateY(-8px);border-color:var(--accent-solid);box-shadow:var(--shadow-soft);}
.proj-thumb{
  height:190px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--bg-soft),var(--bg-elevated));
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--border);
}
.proj-thumb .glyph{font-family:var(--font-mono);font-size:44px;font-weight:700;opacity:.14;letter-spacing:-2px;}
.proj-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.proj-card:hover .proj-thumb img{transform:scale(1.06);}
.proj-body{padding:22px;}
.proj-body h4{font-size:17px;margin-bottom:8px;}
.proj-body p{color:var(--text-muted);font-size:14px;line-height:1.6;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px;}
.tag{font-size:11.5px;font-family:var(--font-mono);padding:4px 10px;border-radius:6px;background:var(--card-strong);color:var(--text-muted);border:1px solid var(--border);}
.proj-links{display:flex;gap:16px;align-items:center;}
.proj-links a{font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;color:var(--text-muted);transition:.2s;}
.proj-links a:hover{color:var(--accent-solid);}
.proj-links svg{width:15px;height:15px;}

/* ================= EXPERIENCE ================= */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:'';position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--border-strong);}
.tl-item{position:relative;padding-bottom:44px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:'';position:absolute;left:-34px;top:4px;width:11px;height:11px;border-radius:50%;
  background:var(--accent-grad);box-shadow:0 0 0 4px var(--card-strong);
}
.tl-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:6px;}
.tl-head h4{font-size:18px;}
.tl-head .dur{font-family:var(--font-mono);font-size:12px;color:var(--accent-solid);padding:4px 10px;border:1px solid var(--border);border-radius:20px;}
.tl-item .company{color:var(--text-muted);font-size:14px;margin-bottom:12px;}
.tl-item ul{padding-left:18px;margin-bottom:14px;}
.tl-item li{list-style:disc;color:var(--text-muted);font-size:14px;line-height:1.7;}
.placeholder-note{font-size:12px;color:var(--text-faint);font-style:italic;margin-top:6px;}

/* ================= EDU / CERTS ================= */
.edu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;}
.edu-card{padding:22px;display:flex;gap:16px;}
.edu-card .ic{min-width:42px;height:42px;border-radius:10px;background:var(--card-strong);display:flex;align-items:center;justify-content:center;color:var(--accent-solid);}
.edu-card h4{font-size:15px;margin-bottom:4px;}
.edu-card p{font-size:13px;color:var(--text-muted);}
.edu-card .date{font-family:var(--font-mono);font-size:11.5px;color:var(--text-faint);margin-top:6px;display:block;}

/* ================= SERVICES ================= */
.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;}
.service-card{padding:26px;transition:transform .3s ease,border-color .3s ease;}
.service-card:hover{transform:translateY(-6px);border-color:var(--accent-solid);}
.service-card .num{font-family:var(--font-mono);font-size:12px;color:var(--text-faint);margin-bottom:16px;display:block;}
.service-card h4{font-size:17px;margin-bottom:10px;}
.service-card p{font-size:14px;color:var(--text-muted);line-height:1.65;}

/* ================= CONTACT ================= */
.contact-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:56px;}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.contact-info-item{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--border);}
.contact-info-item:last-child{border-bottom:none;}
.contact-info-item .ic{width:42px;height:42px;border-radius:10px;background:var(--card-strong);display:flex;align-items:center;justify-content:center;color:var(--accent-solid);flex-shrink:0;}
.contact-info-item b{display:block;font-size:12px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px;}
.contact-info-item a,.contact-info-item span{font-size:15px;font-weight:500;}
.contact-info-item a:hover{color:var(--accent-solid);}

.social-row{display:flex;gap:10px;margin-top:28px;}
.social-row a{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:.25s;}
.social-row a:hover{color:var(--accent-solid);border-color:var(--accent-solid);transform:translateY(-3px);}

.form-card{padding:32px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
@media(max-width:560px){.form-row{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:12.5px;font-weight:600;color:var(--text-muted);}
.field input,.field textarea{
  background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;
  padding:13px 14px;color:var(--text);font-family:var(--font-body);font-size:14.5px;
  transition:border-color .25s ease, background .25s ease;
}
.field input:focus,.field textarea:focus{border-color:var(--accent-solid);outline:none;}
.field textarea{resize:vertical;min-height:120px;}
.field .err{font-size:12px;color:var(--danger);min-height:14px;}
.field.invalid input,.field.invalid textarea{border-color:var(--danger);}
.submit-btn{width:100%;justify-content:center;position:relative;}
.submit-btn .spinner{width:16px;height:16px;border-radius:50%;border:2px solid rgba(3,21,26,.3);border-top-color:#03151A;animation:spin .7s linear infinite;display:none;}
.submit-btn.loading .spinner{display:inline-block;}
.submit-btn.loading .btn-text{opacity:.6;}
@keyframes spin{to{transform:rotate(360deg);}}
.form-success{
  display:none;align-items:center;gap:12px;padding:16px;border-radius:12px;
  background:rgba(74,222,128,.08);border:1px solid rgba(74,222,128,.3);color:var(--success);font-size:14px;margin-top:16px;
}
.form-success.show{display:flex;}

/* ================= FOOTER ================= */
footer{border-top:1px solid var(--border);padding:64px 0 32px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:48px;}
@media(max-width:760px){.footer-top{grid-template-columns:1fr;gap:32px;}}
footer h5{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);margin-bottom:18px;}
footer ul li{margin-bottom:10px;}
footer ul a{color:var(--text-muted);font-size:14.5px;transition:.2s;}
footer ul a:hover{color:var(--accent-solid);}
.footer-desc{color:var(--text-muted);font-size:14.5px;line-height:1.7;margin-top:12px;max-width:320px;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  padding-top:26px;border-top:1px solid var(--border);font-size:13px;color:var(--text-faint);
}

.to-top{
  position:fixed;bottom:28px;right:28px;z-index:90;
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border-strong);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,border-color .3s ease;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{border-color:var(--accent-solid);color:var(--accent-solid);}