/* ============================================
   NASIRUDDIN MAHMUD HIMEL — Portfolio CSS
   Mobile-first, Login + Mohona page included
   ============================================ */

:root {
  --bg: #080c10;
  --bg-2: #0d1117;
  --bg-card: #111820;
  --bg-card-hover: #161f2a;
  --accent: #00d4aa;
  --accent-2: #0099ff;
  --accent-glow: rgba(0,212,170,0.15);
  --text: #e8edf2;
  --text-muted: #7a8a99;
  --text-dim: #4a5a6a;
  --border: rgba(255,255,255,0.07);
  --border-accent: rgba(0,212,170,0.3);
  --font-display: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
  --nav-h: 60px;
  --t: 0.3s cubic-bezier(0.4,0,0.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{cursor:pointer;font-family:inherit}
ul{list-style:none}
textarea,input{font-family:inherit}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}

.hidden{display:none!important}

/* ==============================
   LOGIN OVERLAY
   ============================== */
#login-overlay{
  position:fixed;inset:0;z-index:1000;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);
}
#login-canvas{position:absolute;inset:0;pointer-events:none;opacity:0.4}
.login-box{
  position:relative;z-index:1;
  background:var(--bg-card);
  border:1px solid var(--border-accent);
  border-radius:16px;
  padding:40px 32px;
  width:100%;max-width:380px;
  margin:16px;
  box-shadow:0 0 60px rgba(0,212,170,0.1);
}
.login-logo{
  font-family:var(--font-mono);font-size:1.1rem;font-weight:700;
  color:var(--accent);text-align:center;margin-bottom:20px;letter-spacing:0.1em;
}
.login-title{
  font-family:var(--font-display);font-size:1.8rem;font-weight:800;
  text-align:center;margin-bottom:4px;
}
.login-sub{font-size:0.9rem;color:var(--text-muted);text-align:center;margin-bottom:28px}
.pass-wrap{position:relative}
.pass-wrap input{width:100%;padding-right:44px}
.eye-btn{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--text-muted);font-size:1rem;
  padding:4px;line-height:1;
}
.login-err{
  color:#ff6b7a;font-family:var(--font-mono);font-size:0.72rem;
  text-align:center;min-height:18px;margin-bottom:8px;
  animation:shake 0.4s ease;
}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.login-hint{
  font-family:var(--font-mono);font-size:0.65rem;color:var(--text-dim);
  text-align:center;margin-top:12px;
}

/* ==============================
   MOHONA PAGE
   ============================== */
#mohona-page{
  position:fixed;inset:0;z-index:999;overflow-y:auto;
  background:linear-gradient(135deg,#1a0a1e 0%,#2d0d2d 30%,#1e0a14 60%,#0d0a1e 100%);
  font-family:var(--font-body);
}
#petal-canvas{position:fixed;inset:0;pointer-events:none;z-index:0}

.mo-nav{
  position:relative;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;
  background:rgba(255,255,255,0.05);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,182,193,0.2);
}
.mo-logo{
  font-family:'Playfair Display',serif;font-style:italic;
  font-size:1.1rem;color:#ffb6c1;letter-spacing:0.05em;
}
.mo-logout{
  background:rgba(255,182,193,0.1);border:1px solid rgba(255,182,193,0.3);
  color:#ffb6c1;font-size:0.8rem;padding:6px 14px;border-radius:20px;
  transition:var(--t);
}
.mo-logout:hover{background:rgba(255,182,193,0.2)}

.mo-hero{
  position:relative;z-index:1;
  text-align:center;padding:60px 24px 48px;
}
.mo-petals-top{font-size:1.8rem;letter-spacing:6px;margin-bottom:20px;opacity:0.7}
.mo-greeting{
  font-family:'Lora',serif;font-style:italic;
  font-size:1rem;color:#ffb6c1;margin-bottom:12px;letter-spacing:0.06em;
}
.mo-title{
  font-family:'Playfair Display',serif;font-size:clamp(2rem,7vw,3.5rem);
  font-weight:700;line-height:1.1;color:#fff;margin-bottom:16px;
}
.mo-title em{font-style:italic;color:#ffb6c1}
.mo-subtitle{
  font-size:1rem;color:rgba(255,255,255,0.6);font-family:'Lora',serif;font-style:italic;
}

/* SLIDESHOW */
.mo-slideshow-section{
  position:relative;z-index:1;
  padding:0 24px 60px;max-width:700px;margin:0 auto;
}
.mo-section-title{
  font-family:'Playfair Display',serif;font-size:1.6rem;font-weight:700;
  color:#ffb6c1;text-align:center;margin-bottom:32px;
}
.mo-slideshow{position:relative}
.mo-slides{position:relative;min-height:420px}
.mo-slide{
  display:none;flex-direction:column;align-items:center;gap:20px;
  animation:mo-fade 0.6s ease;
}
.mo-slide.active{display:flex}
@keyframes mo-fade{from{opacity:0;transform:scale(0.97)}to{opacity:1;transform:scale(1)}}

.mo-photo-frame{
  width:100%;max-width:500px;
  aspect-ratio:4/3;
  border-radius:20px;
  border:3px solid rgba(255,182,193,0.4);
  box-shadow:0 8px 40px rgba(255,100,150,0.25),0 0 0 1px rgba(255,182,193,0.1);
  overflow:hidden;
  position:relative;
  background:linear-gradient(135deg,#2d0d2d,#1a0a1e);
}
.mo-photo-frame img{
  width:100%;height:100%;object-fit:cover;
  display:block;
}
/* Hide img when it errors, show placeholder */
.mo-photo-frame.no-photo img{display:none}
.photo-placeholder{
  display:none;
  position:absolute;inset:0;
  flex-direction:column;align-items:center;justify-content:center;
  color:rgba(255,182,193,0.5);font-size:2.5rem;gap:12px;text-align:center;
}
.photo-placeholder span{font-size:0.78rem;font-family:var(--font-mono);line-height:1.6}
.mo-photo-frame.no-photo .photo-placeholder{display:flex}

.mo-caption{
  font-family:'Lora',serif;font-style:italic;
  font-size:1.05rem;color:rgba(255,255,255,0.7);text-align:center;
  padding:0 16px;
}

.mo-prev,.mo-next{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(255,182,193,0.15);border:1px solid rgba(255,182,193,0.3);
  color:#ffb6c1;font-size:1.8rem;width:44px;height:44px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  transition:var(--t);z-index:2;line-height:1;
}
.mo-prev{left:-8px}
.mo-next{right:-8px}
.mo-prev:hover,.mo-next:hover{background:rgba(255,182,193,0.3)}
@media(max-width:600px){
  .mo-prev{left:0}.mo-next{right:0}
}

.mo-slide-dots{
  display:flex;justify-content:center;gap:8px;margin-top:20px;
}
.mo-dot{
  width:8px;height:8px;border-radius:50%;
  background:rgba(255,182,193,0.3);border:none;cursor:pointer;
  transition:var(--t);padding:0;
}
.mo-dot.active{background:#ffb6c1;box-shadow:0 0 8px rgba(255,182,193,0.6);transform:scale(1.3)}

/* LOVE NOTE */
.mo-note-section{
  position:relative;z-index:1;
  padding:0 24px 60px;max-width:600px;margin:0 auto;
}
.mo-note{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,182,193,0.25);
  border-radius:20px;padding:40px 32px;
  text-align:center;
  backdrop-filter:blur(10px);
}
.mo-note-icon{font-size:2.5rem;margin-bottom:16px}
.mo-note h3{
  font-family:'Playfair Display',serif;font-size:1.4rem;
  color:#ffb6c1;margin-bottom:16px;
}
.mo-note p{
  font-family:'Lora',serif;font-style:italic;
  color:rgba(255,255,255,0.7);line-height:1.8;margin-bottom:12px;font-size:0.95rem;
}
.mo-sign{color:#ffb6c1!important;font-weight:600}

.mo-footer{
  position:relative;z-index:1;
  text-align:center;padding:24px;
  color:rgba(255,182,193,0.4);
  font-family:'Lora',serif;font-style:italic;font-size:0.85rem;
  border-top:1px solid rgba(255,182,193,0.1);
}

/* ==============================
   MAIN SITE — CIRCUIT CANVAS
   ============================== */
#circuit-canvas{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:0.35;
}

/* ==============================
   NAVBAR
   ============================== */
#navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  background:rgba(8,12,16,0.85);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  transition:var(--t);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 16px;
  height:100%;display:flex;align-items:center;gap:12px;
}
.nav-logo{
  font-family:var(--font-mono);font-size:1rem;font-weight:700;
  color:var(--accent);letter-spacing:0.05em;white-space:nowrap;flex-shrink:0;
}
.logo-bracket{color:var(--text-muted)}
.nav-tabs{display:flex;gap:2px;margin-left:auto;flex-wrap:nowrap;overflow-x:auto}
.nav-tabs::-webkit-scrollbar{display:none}
.tab-btn{
  background:none;border:none;color:var(--text-muted);
  font-family:var(--font-mono);font-size:0.72rem;
  padding:5px 10px;border-radius:4px;transition:var(--t);
  letter-spacing:0.02em;white-space:nowrap;
}
.tab-btn:hover{color:var(--text);background:rgba(255,255,255,0.05)}
.tab-btn.active{color:var(--accent);background:var(--accent-glow)}
.tab-btn.active::after{
  content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--accent);
}
.logout-btn{
  background:none;border:1px solid var(--border);border-radius:6px;
  color:var(--text-muted);font-size:0.9rem;padding:5px 8px;
  transition:var(--t);flex-shrink:0;
}
.logout-btn:hover{color:var(--accent);border-color:var(--border-accent)}
.hamburger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;padding:4px;flex-shrink:0;
}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--t)}
.mobile-menu{
  display:none;flex-direction:column;
  background:var(--bg-2);border-top:1px solid var(--border);
  padding:10px 16px;gap:4px;
}
.mobile-menu.open{display:flex}
.mobile-menu .tab-btn{text-align:left;font-size:0.88rem;padding:10px 14px}
.logout-mobile{color:#ff6b7a!important;border-top:1px solid var(--border);margin-top:4px;padding-top:12px!important}

@media(max-width:820px){
  .nav-tabs{display:none}
  .hamburger{display:flex}
  .logout-btn{display:none}
  #navbar{height:auto}
  .nav-inner{height:var(--nav-h)}
}

/* ==============================
   HERO
   ============================== */
.hero{
  min-height:100svh;
  display:grid;grid-template-columns:1fr 1fr;
  align-items:center;gap:40px;
  padding:calc(var(--nav-h) + 48px) 40px 60px;
  max-width:1200px;margin:0 auto;
  position:relative;z-index:1;
}
.hero-chip-label{
  font-family:var(--font-mono);font-size:0.72rem;color:var(--accent);
  letter-spacing:0.12em;text-transform:uppercase;margin-bottom:18px;
  display:flex;align-items:center;gap:8px;
}
.hero-chip-label::before{content:'';display:inline-block;width:28px;height:1px;background:var(--accent)}
.hero-name{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(2.2rem,5vw,4rem);line-height:1.05;margin-bottom:18px;
}
.hero-first{display:block;color:var(--text)}
.hero-last{
  display:block;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-tagline{
  font-size:0.9rem;color:var(--text-muted);font-family:var(--font-mono);
  margin-bottom:28px;line-height:1.8;
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}

.btn-primary{
  background:var(--accent);color:var(--bg);
  font-family:var(--font-mono);font-size:0.78rem;font-weight:700;
  letter-spacing:0.04em;padding:11px 24px;border:none;border-radius:4px;
  cursor:pointer;transition:var(--t);text-transform:uppercase;
}
.btn-primary:hover{background:#00f5c0;transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,212,170,0.3)}
.btn-primary.full-w{width:100%;text-align:center;display:block}
.btn-secondary{
  border:1px solid var(--border-accent);color:var(--accent);
  font-family:var(--font-mono);font-size:0.78rem;font-weight:700;
  letter-spacing:0.04em;padding:11px 24px;border-radius:4px;transition:var(--t);text-transform:uppercase;
}
.btn-secondary:hover{background:var(--accent-glow);transform:translateY(-2px)}

/* STATS */
.hero-stats{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.stat-slot{display:flex;flex-direction:column;min-width:60px}
.stat-slot.fade-out{opacity:0;transform:translateY(-8px);transition:opacity .35s ease,transform .35s ease}
.stat-slot.fade-in{animation:stat-pop .4s ease forwards}
@keyframes stat-pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.stat-num{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--accent);line-height:1.1}
.stat-label{font-family:var(--font-mono);font-size:0.62rem;color:var(--text-muted);letter-spacing:0.06em;text-transform:uppercase}
.stat-div{width:1px;height:36px;background:var(--border)}
.stat-dots{display:flex;gap:5px;align-items:center;margin-left:4px}
.stat-dot-ind{width:5px;height:5px;border-radius:50%;background:var(--text-dim);transition:var(--t);cursor:pointer}
.stat-dot-ind.active{background:var(--accent);transform:scale(1.4);box-shadow:0 0 6px var(--accent)}

/* CHIP */
.hero-visual{display:flex;justify-content:center;align-items:center}
.chip-container{animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
.chip{
  position:relative;width:220px;height:220px;
  background:var(--bg-card);border:2px solid var(--border-accent);border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 60px rgba(0,212,170,0.12),0 0 120px rgba(0,212,170,0.05),inset 0 0 40px rgba(0,212,170,0.04);
}
.chip::before{content:'';position:absolute;inset:6px;border:1px solid rgba(0,212,170,0.12);border-radius:8px}
.chip-core{
  width:100px;height:100px;
  background:linear-gradient(135deg,#0d1f2d,#0a2a1f);
  border:1px solid var(--border-accent);border-radius:6px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.chip-core::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(0deg,transparent,transparent 8px,rgba(0,212,170,0.03) 8px,rgba(0,212,170,0.03) 9px),
             repeating-linear-gradient(90deg,transparent,transparent 8px,rgba(0,212,170,0.03) 8px,rgba(0,212,170,0.03) 9px);
}
.chip-inner-ring{position:absolute;inset:8px;border:1px solid rgba(0,212,170,0.15);border-radius:4px;animation:pulse-ring 3s ease-in-out infinite}
@keyframes pulse-ring{0%,100%{opacity:.5}50%{opacity:1;box-shadow:0 0 12px rgba(0,212,170,0.4)}}
.chip-label-wrap{position:relative;z-index:1;text-align:center}
.chip-text{display:block;font-family:var(--font-mono);font-size:1.2rem;font-weight:700;color:var(--accent);letter-spacing:0.1em}
.chip-sub{display:block;font-family:var(--font-mono);font-size:0.58rem;color:var(--text-dim);letter-spacing:0.1em;margin-top:2px}
.chip-pins{position:absolute;display:flex}
.chip-pins.top{top:-12px;left:50%;transform:translateX(-50%);gap:16px;flex-direction:row}
.chip-pins.bottom{bottom:-12px;left:50%;transform:translateX(-50%);gap:16px;flex-direction:row}
.chip-pins.left{left:-12px;top:50%;transform:translateY(-50%);flex-direction:column;gap:24px}
.chip-pins.right{right:-12px;top:50%;transform:translateY(-50%);flex-direction:column;gap:24px}
.pin{background:var(--accent);border-radius:2px;opacity:0.7;animation:pin-pulse 2s ease-in-out infinite}
.chip-pins.top .pin,.chip-pins.bottom .pin{width:8px;height:12px}
.chip-pins.left .pin,.chip-pins.right .pin{width:12px;height:8px}
.pin:nth-child(1){animation-delay:0s}.pin:nth-child(2){animation-delay:.3s}.pin:nth-child(3){animation-delay:.6s}
.pin:nth-child(4){animation-delay:.9s}.pin:nth-child(5){animation-delay:1.2s}.pin:nth-child(6){animation-delay:1.5s}
@keyframes pin-pulse{0%,100%{opacity:.4}50%{opacity:1;box-shadow:0 0 6px var(--accent)}}

/* HERO RESPONSIVE */
@media(max-width:860px){
  .hero{
    grid-template-columns:1fr;
    padding:calc(var(--nav-h) + 32px) 20px 48px;
    text-align:center;gap:36px;
  }
  .hero-chip-label{justify-content:center}
  .hero-cta{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-visual{order:-1}
  .chip{width:170px;height:170px}
  .chip-core{width:78px;height:78px}
}

/* ==============================
   MAIN CONTENT TABS
   ============================== */
#main-content{position:relative;z-index:1;border-top:1px solid var(--border)}
.tab-section{display:none;padding:60px 0 100px;animation:fade-in .4s ease}
.tab-section.active{display:block}
@keyframes fade-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-tag{font-family:var(--font-mono);font-size:0.72rem;color:var(--accent);letter-spacing:0.1em;margin-bottom:14px;opacity:.8}
.section-title{font-family:var(--font-display);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.15;margin-bottom:44px}
.section-title em{font-style:normal;color:var(--accent)}
.sub-heading{font-family:var(--font-mono);font-size:0.75rem;color:var(--text-muted);letter-spacing:0.1em;text-transform:uppercase;margin-bottom:20px}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about-text p{color:var(--text-muted);margin-bottom:16px;font-size:1rem;line-height:1.75}
.about-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.badge{font-family:var(--font-mono);font-size:0.7rem;padding:4px 12px;border:1px solid var(--border-accent);border-radius:20px;color:var(--accent);background:var(--accent-glow)}
.edu-timeline{position:relative;padding-left:22px}
.edu-timeline::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:1px;background:linear-gradient(to bottom,var(--accent),transparent)}
.edu-item{display:flex;gap:14px;margin-bottom:28px;position:relative}
.edu-dot{position:absolute;left:-26px;top:5px;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);flex-shrink:0}
.edu-info{display:flex;flex-direction:column;gap:2px}
.edu-year{font-family:var(--font-mono);font-size:0.68rem;color:var(--accent);letter-spacing:0.06em}
.edu-info strong{color:var(--text);font-size:0.93rem}
.edu-inst{font-size:0.83rem;color:var(--text-muted)}
@media(max-width:680px){.about-grid{grid-template-columns:1fr;gap:36px}}

/* TIMELINE */
.timeline{position:relative;padding-left:24px}
.timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,var(--accent),transparent)}
.timeline-item{display:flex;gap:16px;margin-bottom:32px;animation:slide-in var(--t) both;animation-delay:var(--delay)}
@keyframes slide-in{from{opacity:0;transform:translateX(-14px)}to{opacity:1;transform:translateX(0)}}
.timeline-marker{display:flex;flex-direction:column;align-items:center;gap:4px;flex-shrink:0;position:relative;left:-35px}
.tl-year{font-family:var(--font-mono);font-size:0.6rem;color:var(--accent);letter-spacing:0.05em;white-space:nowrap}
.tl-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);border:2px solid var(--bg)}
.timeline-card{flex:1;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:20px 24px;transition:var(--t);margin-left:8px}
.timeline-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover);transform:translateX(4px)}
.tl-tag{font-family:var(--font-mono);font-size:0.65rem;color:var(--accent);letter-spacing:0.08em;margin-bottom:6px;text-transform:uppercase}
.timeline-card h3{font-family:var(--font-display);font-size:1.05rem;font-weight:700;margin-bottom:8px}
.timeline-card p{color:var(--text-muted);font-size:0.9rem}

/* PROJECTS */
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.project-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:var(--t);animation:fade-up var(--t) both;animation-delay:var(--delay);display:flex;flex-direction:column}
.project-card:hover{border-color:var(--border-accent);transform:translateY(-5px);box-shadow:0 16px 36px rgba(0,212,170,0.08)}
.project-card.featured{grid-column:span 2}
@keyframes fade-up{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.project-img-placeholder{height:110px;position:relative;overflow:hidden}
.project-img-placeholder::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,0.01) 10px,rgba(255,255,255,0.01) 11px)}
.project-img-placeholder::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60%;background:linear-gradient(to top,var(--bg-card),transparent)}
.ic{background:linear-gradient(135deg,#0a1f1a,#051210)}
.dl{background:linear-gradient(135deg,#0a0f20,#05101a)}
.filter{background:linear-gradient(135deg,#150a1f,#0d0512)}
.tcad{background:linear-gradient(135deg,#1a0f05,#120a01)}
.turret{background:linear-gradient(135deg,#1a0505,#120101)}
.robot{background:linear-gradient(135deg,#0a1a05,#051201)}
.esp{background:linear-gradient(135deg,#0a101a,#05080f)}
.project-body{padding:18px 20px 22px;flex:1}
.project-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px}
.project-tags span{font-family:var(--font-mono);font-size:0.62rem;color:var(--text-dim);border:1px solid var(--border);padding:2px 7px;border-radius:3px}
.project-card h3{font-family:var(--font-display);font-size:1rem;font-weight:700;margin-bottom:8px;line-height:1.3}
.project-card p{color:var(--text-muted);font-size:0.86rem;line-height:1.65}
@media(max-width:760px){.projects-grid{grid-template-columns:1fr 1fr}.project-card.featured{grid-column:span 2}}
@media(max-width:500px){.projects-grid{grid-template-columns:1fr}.project-card.featured{grid-column:span 1}}

/* PUBLICATIONS */
.pub-list{display:flex;flex-direction:column;gap:20px}
.pub-card{display:flex;gap:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:28px;transition:var(--t);animation:fade-up var(--t) both;animation-delay:var(--delay);align-items:flex-start}
.pub-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover)}
.pub-year{font-family:var(--font-display);font-size:2rem;font-weight:800;color:var(--border);flex-shrink:0;line-height:1;transition:var(--t)}
.pub-card:hover .pub-year{color:var(--accent)}
.pub-type{font-family:var(--font-mono);font-size:0.65rem;color:var(--accent);letter-spacing:0.1em;text-transform:uppercase;margin-bottom:6px}
.pub-content h3{font-family:var(--font-display);font-size:1.05rem;font-weight:700;margin-bottom:8px;line-height:1.35}
.pub-content p{color:var(--text-muted);font-size:0.88rem;margin-bottom:10px}
.pub-date{font-family:var(--font-mono);font-size:0.68rem;color:var(--text-dim)}
@media(max-width:500px){.pub-card{flex-direction:column;gap:8px}.pub-year{font-size:1.3rem}}

/* SKILLS */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.skill-group{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;transition:var(--t);animation:fade-up var(--t) both;animation-delay:var(--delay)}
.skill-group:hover{border-color:var(--border-accent);background:var(--bg-card-hover)}
.skill-group-icon{font-size:1.4rem;color:var(--accent);margin-bottom:10px;display:block}
.skill-group h3{font-family:var(--font-display);font-size:0.95rem;font-weight:700;margin-bottom:14px}
.skill-group li{color:var(--text-muted);font-size:0.88rem;padding:5px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;transition:var(--t)}
.skill-group li:last-child{border-bottom:none}
.skill-group:hover li{color:var(--text)}
.skill-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.6;flex-shrink:0}
@media(max-width:760px){.skills-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.skills-grid{grid-template-columns:1fr}}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-intro{color:var(--text-muted);font-size:1rem;line-height:1.75;margin-bottom:28px}
.contact-links{display:flex;flex-direction:column;gap:12px}
.contact-link,.no-link{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;transition:var(--t)}
.contact-link:hover{border-color:var(--border-accent);background:var(--bg-card-hover);transform:translateX(4px)}
.cl-icon{font-size:0.9rem;width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:var(--accent-glow);border:1px solid var(--border-accent);border-radius:7px;color:var(--accent);font-family:var(--font-mono);font-weight:700;flex-shrink:0}
.contact-link>div,.no-link>div{display:flex;flex-direction:column;gap:2px;overflow:hidden;min-width:0}
.cl-label{font-family:var(--font-mono);font-size:0.62rem;color:var(--text-muted);letter-spacing:0.1em;text-transform:uppercase}
.cl-val{font-size:0.85rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.contact-form-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:28px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.form-group label{font-family:var(--font-mono);font-size:0.68rem;color:var(--text-muted);letter-spacing:0.08em;text-transform:uppercase}
.form-group input,.form-group textarea{background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:11px 14px;color:var(--text);font-size:0.93rem;transition:var(--t);outline:none;resize:vertical;width:100%}
.form-group input:focus,.form-group textarea:focus{border-color:var(--border-accent);box-shadow:0 0 0 3px var(--accent-glow)}
.form-note{font-family:var(--font-mono);font-size:0.72rem;color:var(--accent);margin-top:10px;min-height:18px;text-align:center}
@media(max-width:680px){.contact-grid{grid-template-columns:1fr;gap:28px}}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:24px 20px;position:relative;z-index:1}
.footer-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-logo{font-family:var(--font-mono);font-size:0.88rem;color:var(--accent);font-weight:700}
.footer-copy,.footer-made{font-family:var(--font-mono);font-size:0.68rem;color:var(--text-dim)}
@media(max-width:500px){.footer-inner{flex-direction:column;align-items:center;text-align:center}}

/* ==============================
   SECRET LOGIN MODAL
   ============================== */
#login-modal {
  position: fixed; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center;
}
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
}
.login-box {
  position: relative; z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: 16px;
  padding: 40px 32px 32px;
  width: 100%; max-width: 360px;
  margin: 16px;
  box-shadow: 0 0 60px rgba(0,212,170,0.12);
  animation: modal-in .3s ease;
}
@keyframes modal-in {
  from { opacity:0; transform: scale(0.92) translateY(16px); }
  to   { opacity:1; transform: scale(1)    translateY(0); }
}
.login-close {
  position: absolute; top: 14px; right: 14px;
  background: none; border: none;
  color: var(--text-muted); font-size: 1rem;
  padding: 4px 8px; border-radius: 4px;
  transition: var(--t);
}
.login-close:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.login-logo { font-size: 2rem; text-align: center; margin-bottom: 14px; }
.login-title {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 800;
  text-align: center; margin-bottom: 4px;
}
.login-sub { font-size: 0.88rem; color: var(--text-muted); text-align: center; margin-bottom: 24px; font-style: italic; }
.pass-wrap { position: relative; }
.pass-wrap input { width: 100%; padding-right: 44px; }
.eye-btn {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text-muted); font-size: 1rem; padding: 2px;
}
.login-err {
  color: #ff6b7a; font-family: var(--font-mono); font-size: 0.72rem;
  text-align: center; min-height: 18px; margin-bottom: 8px;
}
.btn-login {
  width: 100%; background: var(--accent); color: var(--bg);
  font-family: var(--font-mono); font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.06em; padding: 12px; border: none; border-radius: 6px;
  cursor: pointer; transition: var(--t); text-transform: uppercase;
}
.btn-login:hover { background: #00f5c0; box-shadow: 0 6px 20px rgba(0,212,170,0.3); }

/* Login tab — distinct from regular tabs */
.tab-login {
  color: var(--accent) !important;
  border: 1px solid var(--border-accent) !important;
  border-radius: 4px;
  margin-left: 8px;
}
.tab-login:hover {
  background: var(--accent-glow) !important;
  color: var(--accent) !important;
}

/* Secret trigger button — looks like the ◈ decoration */
.secret-btn {
  background: none; border: none; color: inherit;
  font-size: inherit; padding: 0; cursor: pointer;
  opacity: 0.4; transition: opacity .3s;
  font-family: inherit;
}
.secret-btn:hover { opacity: 1; }