:root{
  --bg:#FFFFFF;
  --bg-soft:#EAF3F5;
  --ink:#15323A;
  --ink-soft:#5A7178;
  --teal:#1A7B90;
  --teal-deep:#0D3940;
  --teal-band:#3C99A8;
  --amber:#F2A71B;
  --amber-deep:#D88E0C;
  --line:#E1ECEE;
  --white:#FFFFFF;
  --heading:#0D3940;
  --mono:'JetBrains Mono','SF Mono',Consolas,monospace;
  --display:'Poppins',system-ui,-apple-system,sans-serif;
  --body:'Inter',system-ui,-apple-system,sans-serif;
}
html[data-theme="dark"]{
  --bg:#0B1E22;
  --bg-soft:#0F282D;
  --ink:#EAF3F5;
  --ink-soft:#9FBEC3;
  --teal:#2FA8C0;
  --teal-deep:#0A2B30;
  --teal-band:#123B42;
  --amber:#F2A71B;
  --amber-deep:#F2B94A;
  --line:#1C3A40;
  --white:#0B1E22;
  --heading:#EAF3F5;
}
html[data-theme="dark"] .code-card{background:#071619;}
html[data-theme="dark"] .stack-chip,
html[data-theme="dark"] .float-chip{background:#12363B;}
html[data-theme="dark"] .float-chip{background:#12363B;color:var(--ink);box-shadow:0 16px 36px -10px rgba(0,0,0,0.5);}
html[data-theme="dark"] .contact-form{background:#12303600;}
html[data-theme="dark"] .contact-form{background:var(--bg-soft);}
html[data-theme="dark"] .field input,
html[data-theme="dark"] .field textarea{background:var(--bg);color:var(--ink);}
html[data-theme="dark"] .btn-white{background:var(--bg-soft);color:var(--ink);}
html[data-theme="dark"] header{
  background:rgba(11,30,34,0.45);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid rgba(255,255,255,0.08);
  box-shadow:0 4px 24px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.05);
}
html[data-theme="dark"] .mobile-menu{background:rgba(11,30,34,0.98);}
html[data-theme="dark"] .proj-card,
html[data-theme="dark"] .exp-card{background:var(--bg-soft);}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
  transition:background .35s ease, color .35s ease;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:700;
  line-height:1.15;
  color:var(--heading);
  letter-spacing:-0.01em;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--teal);
}
.eyebrow::before{content:"//";color:var(--amber-deep);font-weight:700;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--body);font-weight:600;font-size:15px;
  padding:14px 26px;border-radius:100px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-amber{background:var(--amber);color:var(--teal-deep);}
.btn-amber:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(242,167,27,0.4);}
.btn-teal{background:var(--teal-deep);color:#fff;}
.btn-teal:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(13,57,64,0.35);}
.btn-outline{background:transparent;color:var(--heading);border:1.5px solid var(--heading);}
.btn-outline:hover{background:var(--teal-deep);color:#fff;}
.btn-white{background:#fff;color:var(--teal-deep);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,0.18);}

/* ===== NAV ===== */
header{
  position:sticky;top:0;z-index:50;

  background:rgba(131, 214, 214, 0.256);
  backdrop-filter:blur(10px) saturate(280%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid rgba(255,255,255,0.55);
  
  box-shadow:0 4px 24px rgba(13,57,64,0.08), inset 0 1px 0 rgba(255,255,255,0.7);
}
nav{display:flex;align-items:center;justify-content:space-between;padding:14px 32px;max-width:1200px;
  
  margin:0 auto;gap:16px;}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:900;font-size:19px;color:var(--heading);flex-shrink:0;margin-bottom: 5px;}
.logo-mark{position:relative;width:42px;height:42px;flex-shrink:0;border-radius:11px;background:linear-gradient(150deg,var(--teal) 0%, var(--teal-deep) 100%);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:700;font-size:15px;color:#fff;transition:transform .4s ease;}
.logo:hover .logo-mark{transform:rotate(8deg) scale(1.06);}
.logo .sub{display:block;font-size:10.5px;letter-spacing:.14em;font-weight:600;color:var(--teal);margin-top:1px;font-family:var(--mono);text-transform:uppercase;}
.nav-links{display:flex;gap:28px;font-size:14.5px;font-weight:600;color:var(--ink-soft);align-items:center;}
.nav-links a{position:relative;padding:4px 0;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--amber);transition:width .25s ease;}
.nav-links a:hover{color:var(--teal);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--heading);}
.nav-cta{display:flex;gap:10px;align-items:center;flex-shrink:0;}
.nav-cta .btn{
  padding:9px 18px;
  font-size:13px;
}
.nav-cta .btn-resume svg{
  width:13px;height:13px;
}
/* Hamburger */
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:1px solid var(--line);border-radius:10px;cursor:pointer;padding:8px;flex-shrink:0;}
.hamburger span{display:block;width:100%;height:2px;background:var(--heading);border-radius:2px;transition:transform .3s ease, opacity .3s ease;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Mobile drawer */
.mobile-menu{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:49;
  background:rgba(255,255,255,0.98);backdrop-filter:blur(10px);
  flex-direction:column;align-items:center;justify-content:center;gap:10px;
  padding:80px 24px 40px;
}
.mobile-menu.open{display:flex;}
.mobile-menu a{
  font-family:var(--display);font-weight:700;font-size:22px;color:var(--heading);
  padding:14px 24px;border-radius:16px;width:100%;max-width:340px;text-align:center;
  transition:background .2s ease, color .2s ease;
}
.mobile-menu a:hover{background:var(--bg-soft);color:var(--teal);}
.mobile-menu .m-divider{width:100%;max-width:340px;height:1px;background:var(--line);margin:8px 0;}
.mobile-menu .m-cta{display:flex;flex-direction:column;gap:10px;width:100%;max-width:340px;margin-top:10px;}
.mobile-menu .m-cta a{font-size:16px;text-align:center;}

@media (max-width:880px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .hamburger{display:flex;}
}

/* ===== HERO ===== */
.hero{background:var(--bg-soft);
   
   position:relative;overflow:hidden;padding:70px 0 0;}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:50px;align-items:center;padding-bottom:70px;position:relative;z-index:2;}
.hero h1{font-size:clamp(34px,4.4vw,50px);animation:fadeUp .8s ease both .15s;opacity:0;}
.hero p.lede{animation:fadeUp .8s ease both .3s;opacity:0;}
.hero .eyebrow{animation:fadeUp .8s ease both .05s;opacity:0;}
.hero-cta-row{animation:fadeUp .8s ease both .45s;opacity:0;}
.hero-stack{animation:fadeUp .8s ease both .55s;opacity:0;}
.hero-art{animation:fadeUp .9s ease both .35s;opacity:0;}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:translateY(0);}}
.hero h1 .accent{color:var(--teal);}
.hero h1 .accent-amber{color:var(--amber-deep);}
.hero p.lede{margin-top:18px;font-size:16.5px;color:var(--ink-soft);max-width:480px;}
.hero-cta-row{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-stack{margin-top:34px;display:flex;gap:10px;flex-wrap:wrap;}
.stack-chip{font-family:var(--mono);font-size:12.5px;font-weight:500;color:var(--heading);background:#fff;border:1px solid var(--line);border-radius:8px;padding:7px 12px;transition:transform .25s ease,border-color .25s ease;}
.stack-chip:hover{transform:translateY(-3px);border-color:var(--teal);}

.hero-art{position:relative;display:flex;justify-content:center;}
.code-card{
  position:relative;width:100%;max-width:460px;border-radius:20px;
  background:var(--teal-deep);
  overflow:hidden;
  box-shadow:0 40px 80px -20px rgba(13,57,64,0.5);
  font-family:var(--mono);
}
.code-card .code-top{display:flex;align-items:center;gap:8px;padding:14px 18px;background:rgba(255,255,255,0.06);border-bottom:1px solid rgba(255,255,255,0.08);}
.code-card .dot{width:11px;height:11px;border-radius:50%;}
.dot.r{background:#EF5A5A;}
.dot.y{background:var(--amber);}
.dot.g{background:#3BC08A;}
.code-card .file-name{margin-left:8px;font-size:12px;color:#9FCBD2;}
.code-card .code-body{padding:24px 22px 28px;color:#D7EEF1;font-size:13.5px;line-height:1.85;min-height:300px;}
.code-body .ln{color:#5D8A91;user-select:none;display:inline-block;width:22px;}
.code-body .kw{color:#F2A71B;}
.code-body .str{color:#8FE3C0;}
.code-body .prop{color:#79C6D9;}
.code-body .fn{color:#F2C572;}
.code-body .cur{display:inline-block;width:8px;height:16px;background:var(--amber);vertical-align:middle;animation:blink 1s step-end infinite;}
@keyframes blink{50%{opacity:0;}}
.float-chip{
  position:absolute;background:#fff;color:var(--ink);border-radius:16px;padding:13px 16px;
  box-shadow:0 16px 36px -10px rgba(20,40,40,0.25);font-size:13px;font-weight:600;
  display:flex;align-items:center;gap:10px;
}
.float-chip .ic{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:15px;}
.float-chip.c1{top:-16px;left:-30px;}
.float-chip.c2{bottom:-18px;right:-6px;}
.float-chip.c1{animation:floaty 4.2s ease-in-out infinite;}
.float-chip.c2{animation:floaty 4.2s ease-in-out infinite .6s;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
.deco-grid{position:absolute;width:160px;height:160px;opacity:.5;}
.deco-grid.dg1{top:30px;left:0;}
.deco-grid.dg2{bottom:10px;left:60px;opacity:.35;}

/* divider */
.wave{width:100%;line-height:0;}
.wave svg{width:100%;display:block;}

/* ===== SECTION COMMON ===== */
section{padding:90px 0;position:relative;}
.section-head{margin-bottom:44px;max-width:640px;}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin-top:12px;}
.section-head p{color:var(--ink-soft);margin-top:14px;font-size:15.5px;}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:flex-start;}
.about-copy{margin-top:-14px;}
.about-copy p{color:var(--ink-soft);font-size:15.5px;margin-top:16px;}
.about-copy p:first-of-type{margin-top:0;}
.about-photo{display:flex;justify-content:center;}
.photo-card{
  position:relative;width:100%;max-width:380px;aspect-ratio:3/4;border-radius:26px;overflow:hidden;
  background:linear-gradient(135deg,var(--bg-soft) 0%,#DCEBEE 100%);
  box-shadow:0 34px 70px -18px rgba(0,0,0,0.5), 0 12px 28px -10px rgba(0,0,0,0.35);
  transition:transform .35s ease, box-shadow .35s ease;
}
.photo-card:hover{transform:translateY(-6px);box-shadow:0 40px 80px -16px rgba(0,0,0,0.55), 0 14px 30px -8px rgba(0,0,0,0.4);}
.photo-card::before{content:"🖼️";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:44px;opacity:.35;}
.photo-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;z-index:1;}
.photo-card img.img-missing{display:none;}
.photo-card::after{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.25) 45%, rgba(0,0,0,0) 68%);
}
.photo-caption{position:absolute;left:0;right:0;bottom:0;padding:24px 26px;z-index:3;}
.photo-caption .name{display:block;font-family:var(--display);font-weight:800;font-size:23px;color:#fff;}
.photo-caption .role{display:block;font-family:var(--mono);font-size:12px;color:#D7EEF1;margin-top:5px;letter-spacing:.05em;text-transform:uppercase;}
/* photo slideshow */
.photo-card .slide{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;z-index:1;opacity:0;transition:opacity 1s ease;}
.photo-card .slide.active{opacity:1;z-index:1;}
.photo-card .slide.img-missing{display:none;}
.slide-dots{position:absolute;top:16px;right:16px;z-index:4;display:flex;gap:6px;}
.slide-dots span{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,0.45);transition:background .3s ease,transform .3s ease;}
.slide-dots span.active{background:#fff;transform:scale(1.2);}
@media (max-width:880px){.about-grid{grid-template-columns:1fr;}.about-copy{margin-top:0;}}

/* about mini info cards */
.about-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px;}
.about-mini-card{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:14px 16px;transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.about-mini-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px -14px rgba(13,57,64,0.22);border-color:var(--teal);}
.about-mini-card .ic{width:38px;height:38px;border-radius:11px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;}
.about-mini-card .txt .t{font-weight:700;font-size:13.5px;color:var(--heading);line-height:1.3;}
.about-mini-card .txt .s{font-size:11.5px;color:var(--ink-soft);margin-top:2px;line-height:1.3;}
html[data-theme="dark"] .about-mini-card{background:var(--bg-soft);border-color:var(--line);}
@media (max-width:480px){.about-info-grid{grid-template-columns:1fr;}}

/* ===== SKILLS (plain glass / mirror effect, cards only) ===== */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.spec-card{
  position:relative;
  background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.4);
  border-radius:20px;padding:26px 24px;
  backdrop-filter:blur(14px) saturate(160%);
  
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 8px 32px -12px rgba(13,57,64,0.12), inset 0 1px 0 rgba(255,255,255,0.5);
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
/* mirror sheen sweeping across the glass */
.spec-card::before{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.55) 50%, transparent 100%);
  transform:skewX(-20deg);
  transition:left .6s ease;
  pointer-events:none;
}
.spec-card:hover{
  transform:translateY(-6px);
  border-color:rgba(255,255,255,0.85);
  box-shadow:0 20px 44px -16px rgba(13,57,64,0.22), inset 0 1px 0 rgba(255,255,255,0.8);
}
.spec-card:hover::before{left:120%;}
.spec-card .ic-wrap{
  width:46px;height:46px;border-radius:13px;flex-shrink:0;
  background:rgba(255,255,255,0.2);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:20px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.4);
}
.spec-card h4{font-size:16px;margin-bottom:10px;}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;}
.tag-row span{
  font-family:var(--mono);font-size:11.5px;color:var(--heading);border-radius:7px;padding:5px 9px;
  background:rgba(255,255,255,0.18);
  border:1px solid rgba(255,255,255,0.35);
}
html[data-theme="dark"] .spec-card{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.1);
  box-shadow:0 8px 32px -12px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.06);
}
html[data-theme="dark"] .spec-card .ic-wrap{background:rgba(255,255,255,0.06);}
html[data-theme="dark"] .tag-row span{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.1);}
@media (max-width:980px){.spec-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.spec-grid{grid-template-columns:1fr;}}

/* ===== PROJECTS (flip cards) ===== */
.projects{background:var(--bg-soft);}
.proj-grid-outer{position:relative;overflow:hidden;transition:max-height .6s cubic-bezier(.22,.9,.24,1);}
.proj-fade{position:absolute;left:0;right:0;bottom:0;height:150px;pointer-events:none;opacity:1;transition:opacity .35s ease, height .5s ease;background:linear-gradient(to bottom, rgba(234,243,245,0) 0%, rgba(234,243,245,0.75) 55%, var(--bg-soft) 100%);}
html[data-theme="dark"] .proj-fade{background:linear-gradient(to bottom, rgba(15,40,45,0) 0%, rgba(15,40,45,0.75) 55%, var(--bg-soft) 100%);}
.proj-more-wrap{display:flex;justify-content:center;margin-top:34px;}
.proj-more-wrap .btn{position:relative;z-index:2;}
.proj-grid{display:grid;grid-template-columns:1fr;gap:26px;}
.proj-card{
  position:relative;aspect-ratio:14/4.3;border-radius:22px;perspective:1800px;
  transition:box-shadow .3s ease;
}
.proj-card:hover{box-shadow:0 24px 46px -16px rgba(153, 226, 237, 0.623);}
.proj-card-inner{
  position:relative;width:100%;height:100%;border-radius:22px;
  transition:transform .7s cubic-bezier(.22,.9,.24,1);transform-style:preserve-3d;
}
.proj-card.flipped .proj-card-inner{transform:rotateY(180deg);}
.proj-face{position:absolute;inset:0;border-radius:22px;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden;pointer-events:none;}
.proj-front{pointer-events:auto;}
.proj-card.flipped .proj-front{pointer-events:none;}
.proj-card.flipped .proj-back{pointer-events:auto;}

/* front: image on top, solid info bar below — never overlapping */
.proj-front{display:flex;flex-direction:column;background:var(--bg-soft);}
.proj-front-media{position:relative;flex:1;min-height:0;overflow:hidden;background:linear-gradient(135deg,var(--bg-soft) 0%,#DCEBEE 100%);}
.proj-front-media::before{content:"🖼️";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:44px;opacity:.35;}
.proj-front-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;}
.proj-front-media img.img-missing{display:none;}
/* solid panel below the photo — fully opaque, so text is always crisp and the image is never covered */
.proj-front-content{
  flex-shrink:0;position:relative;z-index:3;
  background:#ffffff;
  padding:16px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.proj-front-content .proj-text{min-width:0;}
.proj-front-content .proj-index{color:#044e39;
font-weight: 800;}
.proj-front-content h3{color:#000000;font-size:17px;line-height:1.25;margin-top:4px;}
.proj-front-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0;}
.proj-front-actions .btn{padding:10px 16px;font-size:12.5px;}
.proj-front-actions .btn-white{background:rgb(5, 186, 199);color:#000000;}
.proj-front-actions .btn-white:hover{background:#fff;}

/* back: details */
.proj-back{
  transform:rotateY(180deg);background:rgba(176, 242, 255, 0.374);
  border:1px solid var(--teal-deep);
  display:flex;flex-direction:column;padding:0;
  overflow:hidden;
}
html[data-theme="dark"] .proj-back{background:rgba(0, 0, 0, 0.374);}
.proj-back-body{flex:1;min-height:0;display:flex;flex-direction:column;padding:20px 24px 14px;overflow:hidden;}
.proj-back-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;flex-shrink:0;}
.proj-back-head h3{font-size:18px;line-height:1.2;}
.proj-back-head .proj-cat{font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.04em;color:var(--teal);white-space:nowrap;flex-shrink:0;}
.proj-back-intro{font-size:12.5px;color:var(--ink-soft);line-height:1.55;margin-top:8px;flex-shrink:0;}
.proj-back .proj-desc{font-size:12.5px;color:var(--ink-soft);line-height:1.55;margin-top:8px;flex:1;overflow-y:auto;}
.proj-back .proj-desc-list{flex:1;min-height:0;overflow-y:auto;margin-top:8px;}
.proj-back .proj-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px;flex-shrink:0;}
.proj-back .proj-tags span{
  font-family:var(--mono);font-size:10.5px;color:var(--heading);
  background:rgba(131, 236, 255, 0.808);border:1px solid var(--line);
  border-radius:8px;padding:5px 10px;cursor:default;
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.proj-back .proj-tags span:hover{
  transform:translateY(-3px);
  background:var(--teal-deep);border-color:var(--teal-deep);color:#ffffff;
}
/* solid action bar — same visual language as the front info bar */
.proj-back-actions{
  flex-shrink:0;background:#ffffff;
  border-top:1px solid rgba(255,255,255,0.12);
  
  padding:14px 20px;display:flex;gap:10px;justify-content:flex-end;
  position:relative;z-index:5;
}
.proj-back-actions .btn{flex:none;justify-content:center;padding:9px 18px;font-size:12px;pointer-events:auto;cursor:pointer;}
.proj-back-actions .btn-white{background:rgb(5, 186, 199);color:#000000;}
.proj-back-actions .btn-white:hover{background:#fff;}
.proj-back-actions .btn-amber{background:var(--amber);color:var(--teal-deep);}


@media (max-width:820px){
  .proj-card{aspect-ratio:auto;
    min-height:400px;}
}
@media (max-width:560px){
  .proj-card{min-height:460px;}
  .proj-back-body{padding:16px 18px 12px;}
  .proj-back-head h3{font-size:15.5px;}
  .proj-back-head .proj-cat{font-size:9.5px;}
  .proj-back-intro{font-size:11.5px;}
  .proj-desc-list li{font-size:0.82rem;margin-bottom:4px;}
  .proj-back .proj-tags span{font-size:9.5px;padding:4px 8px;}
  .proj-back-actions{padding:12px 16px;}
  .proj-back-actions .btn{padding:8px 14px;font-size:11px;}
  .proj-front-content{padding:12px 14px;gap:10px;flex-direction:column;align-items:flex-start;}
  .proj-front-content h3{font-size:14.5px;}
  .proj-front-actions .btn{padding:8px 13px;font-size:11.5px;}
}
@media (max-width:400px){
  .proj-card{min-height:500px;}
}

/* ===== EXPERIENCE / SLIDER ===== */
.exp-slider-wrap{position:relative;}
.exp-slider{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 14px;scrollbar-width:none;-ms-overflow-style:none;}
.exp-slider::-webkit-scrollbar{display:none;}
.exp-card{
  scroll-snap-align:start;flex:0 0 330px;background:#fff;border:1px solid var(--line);
  border-radius:22px;overflow:hidden;transition:transform .3s ease, box-shadow .3s ease;
}
.exp-card:hover{transform:translateY(-6px);box-shadow:0 24px 46px -16px rgba(13,57,64,0.22);}
.exp-thumb{width:100%;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--bg-soft) 0%,#DCEBEE 100%);position:relative;display:flex;align-items:center;justify-content:center;}
.exp-thumb::before{content:"🖼️";font-size:32px;opacity:.35;}
.exp-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.exp-thumb img.img-missing{display:none;}
.exp-thumb .ph-badge{position:absolute;bottom:10px;left:10px;background:rgba(13,57,64,0.85);color:#fff;font-family:var(--mono);font-size:10px;padding:4px 9px;border-radius:6px;letter-spacing:.03em;z-index:2;}
.exp-body{padding:22px 22px 26px;}
.exp-meta{font-family:var(--mono);font-size:12px;color:var(--teal);letter-spacing:.06em;}
.exp-body h4{font-size:16.5px;margin-top:8px;}
.exp-org{color:var(--teal);font-weight:600;font-size:13px;margin-top:3px;}
.exp-body p{color:var(--ink-soft);font-size:14px;margin-top:10px;}
.exp-nav{display:flex;gap:10px;margin-top:22px;justify-content:flex-end;}
.exp-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--heading);cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:17px;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.exp-arrow:hover{background:var(--teal-deep);color:#fff;transform:translateY(-2px);}
html[data-theme="dark"] .exp-arrow{background:var(--bg-soft);}
@media (max-width:560px){.exp-card{flex:0 0 82vw;}}

/* ===== CONTACT ===== */
.contact{background:var(--teal-band);color:#fff;overflow:hidden;position:relative;}
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:50px;}
.contact-head h2{color:#fff;font-size:clamp(26px,3.2vw,36px);}
.contact-head p{color:#D7EEF1;margin-top:14px;max-width:400px;font-size:15.5px;}
.contact-points{margin-top:30px;display:flex;flex-direction:column;gap:18px;}
.c-point{display:flex;gap:14px;align-items:flex-start;}
.c-point .ic-wrap{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,0.12);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:17px;}
.c-point .t{font-weight:700;font-size:14.5px;}
.c-point .s{color:#D7EEF1;font-size:13.5px;margin-top:2px;}
.contact-form{background:#fff;border-radius:24px;padding:34px;display:flex;flex-direction:column;gap:16px;color:var(--ink);}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft);}
.field input,.field textarea{border:1px solid var(--line);border-radius:12px;padding:13px 15px;font-family:var(--body);font-size:14.5px;background:var(--bg-soft);color:var(--ink);outline:none;transition:border-color .2s ease, background .2s ease;}
.field input:focus,.field textarea:focus{border-color:var(--teal);background:#fff;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:880px){.contact-grid{grid-template-columns:1fr;}.field-row{grid-template-columns:1fr;}}

/* ===== FOOTER ===== */
footer{background:var(--teal-deep);color:#BFE4EA;padding:50px 0 26px;}
.footer-brand-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,0.14);border-bottom:1px solid rgba(255,255,255,0.14);padding:24px 0;margin-bottom:36px;flex-wrap:wrap;gap:18px;}
.footer-brand{display:flex;align-items:center;gap:14px;}
.footer-brand p{font-size:13.5px;max-width:340px;color:#9FCBD2;}
.social-row{display:flex;gap:10px;}
.social-row a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,0.3);display:flex;align-items:center;justify-content:center;font-size:14px;transition:background .2s ease,color .2s ease;}
.social-row a:hover{background:#fff;color:var(--teal-deep);}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;}
.footer-grid h5{color:#fff;font-size:13.5px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px;font-weight:700;}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:14px;}
.footer-grid ul a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.14);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;font-size:13px;flex-wrap:wrap;gap:10px;color:#9FCBD2;}
@media (max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

@media (max-width:880px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-art{margin-top:40px;}
}
@media (max-width:560px){
  .wrap{padding:0 18px;}
  section{padding:60px 0;}
  .hero{padding:50px 0 0;}
  .hero-grid{gap:30px;padding-bottom:50px;}
  .hero h1{font-size:clamp(28px,8vw,38px);}
  .code-card{max-width:100%;}
  .float-chip{display:none;}
  .field-row{grid-template-columns:1fr;}
}

/* ===== THEME TOGGLE ===== */
.theme-toggle{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;
  font-size:14px;transition:transform .3s ease,background .3s ease;
}
.theme-toggle:hover{transform:rotate(15deg);}
.theme-toggle .ico-dark{display:none;}
html[data-theme="dark"] .theme-toggle .ico-light{display:none;}
html[data-theme="dark"] .theme-toggle .ico-dark{display:inline;}

/* ===== WAVE DIVIDERS ===== */
.wave-divider{position:absolute;left:0;right:0;bottom:-1px;line-height:0;pointer-events:none;z-index:1;}
.wave-divider svg{width:100%;height:80px;display:block;}
@media (max-width:640px){.wave-divider svg{height:46px;}}

/* ===== RESUME BUTTON ===== */
.btn-resume{display:inline-flex;align-items:center;gap:8px;}
.btn-resume svg{width:16px;height:16px;}

/* ===== SCROLL TOP ===== */
.scroll-top{
  position:fixed;bottom:24px;right:24px;z-index:48;
  width:52px;height:52px;border-radius:50%;
  background:var(--teal-deep);color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 24px rgba(13,57,64,0.4);
  transition:transform .25s ease,box-shadow .25s ease,opacity .3s ease,visibility .3s ease;
  opacity:0;visibility:hidden;font-size:18px;
}
.scroll-top.show{opacity:1;visibility:visible;}
.scroll-top:hover{transform:translateY(-3px) scale(1.06);}

#splash{
  position:fixed;inset:0;z-index:999;background:var(--bg-soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;
  transition:opacity .6s ease, visibility .6s ease;
}
#splash.hide{opacity:0;visibility:hidden;pointer-events:none;}
.splash-mark{display:flex;align-items:center;gap:14px;animation:splashPop .8s cubic-bezier(.2,.8,.2,1) both;}
.splash-mark .logo-mark{width:54px;height:54px;font-size:20px;}
.splash-mark .word{font-family:var(--display);font-weight:800;font-size:26px;color:var(--heading);}
.splash-mark .word small{display:block;font-size:11px;letter-spacing:.18em;font-weight:600;color:var(--teal);margin-top:2px;font-family:var(--mono);}
.splash-bar{width:220px;height:4px;border-radius:100px;background:#D8E6E9;overflow:hidden;}
.splash-bar i{display:block;height:100%;width:0%;background:var(--amber);border-radius:100px;animation:splashLoad 1.5s ease forwards;}
.splash-code{font-family:var(--mono);font-size:13px;color:var(--teal);}
@keyframes splashPop{0%{opacity:0;transform:translateY(14px) scale(.92);}100%{opacity:1;transform:translateY(0) scale(1);}}
@keyframes splashLoad{0%{width:0%;}100%{width:100%;}}
body.locked{overflow:hidden;}

/* ===== SCROLL-REVEAL ===== */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);}
[data-reveal].in-view{opacity:1;transform:translateY(0);}
[data-reveal="fade"]{transform:none;}
[data-reveal="left"]{transform:translateX(-30px);}
[data-reveal="left"].in-view{transform:translateX(0);}
[data-reveal="right"]{transform:translateX(30px);}
[data-reveal="right"].in-view{transform:translateX(0);}
[data-reveal-group] > *{transition-delay:calc(var(--i,0) * 90ms);}

/* ===== MICRO-ANIMATIONS ===== */
.btn{position:relative;overflow:hidden;}
.btn::after{
  content:"";position:absolute;inset:0;background:rgba(255,255,255,0.25);
  transform:translateX(-110%);transition:transform .5s ease;
}
.btn:hover::after{transform:translateX(0);}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  [data-reveal]{opacity:1!important;transform:none!important;}
  #splash{display:none!important;}
}

.proj-desc-list{margin:0;padding:0;list-style:none;}
.proj-desc-list li{position:relative;padding-left:18px;margin-bottom:6px;font-size:0.92rem;line-height:1.45;}
.proj-desc-list li::before{content:"▸";position:absolute;left:0;color:#F2A71B;font-weight:700;}