/* =========================================================
   Phatpicha · Portfolio — Space Theme v3
   โครงสร้าง สี และการจัดวางเดิมทั้งหมด
   เพิ่มเข้ามา: Carousel เลื่อนรูป · แถบสถิติ · ไอคอนรางวัล
   ========================================================= */

:root{
  --space:#030309;          /* พื้นหลังเข้มมาก */
  --space-2:#06060F;
  --ink:#E9E8F8;
  --muted:#8B89AE;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.035);
  --cyan:#5EE6D0;
  --violet:#8A7CFF;
  --gold:#F5C242;
  --red:#FF5C7A;
  --blue:#4EA8FF;
  --green:#6FE58B;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Sarabun',sans-serif;background:var(--space);color:var(--ink);line-height:1.75;font-size:16px;overflow-x:hidden}
h1,h2,h3{font-family:'Prompt',sans-serif}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
img{max-width:100%}

/* ===== LOADER ===== */
#loader{position:fixed;inset:0;background:var(--space);z-index:200;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;transition:opacity .6s ease,visibility .6s}
#loader.done{opacity:0;visibility:hidden}
.loader-name{display:flex;gap:.35em}
.loader-name span{font-family:'Prompt',sans-serif;font-size:clamp(1.6rem,5vw,3rem);font-weight:700;color:var(--ink);opacity:0;transform:translateY(18px);animation:pop .5s forwards}
.loader-name span:nth-child(1){animation-delay:.05s;color:var(--cyan)}
.loader-name span:nth-child(2){animation-delay:.12s}
.loader-name span:nth-child(3){animation-delay:.19s}
.loader-name span:nth-child(4){animation-delay:.26s}
.loader-name span:nth-child(5){animation-delay:.33s;color:var(--violet)}
.loader-name span:nth-child(6){animation-delay:.40s}
.loader-name span:nth-child(7){animation-delay:.47s}
.loader-name span:nth-child(8){animation-delay:.54s}
.loader-name span:nth-child(9){animation-delay:.61s;color:var(--gold)}
@keyframes pop{to{opacity:1;transform:none}}
.loader-pct{color:var(--muted);font-size:.85rem;letter-spacing:.15em}
#loader-bg{position:absolute;inset:0}
.loader-pct b{color:var(--cyan)}

/* ===== STARFIELD ===== */
#stars{position:fixed;inset:0;z-index:0;pointer-events:none}

/* ===== NEURAL LINK NETWORK (เชื่อมโยงกันแบบ Claude, เริ่มโชว์ตั้งแต่ About ลงไป) ===== */
#network-bg{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:0;transition:opacity 1.1s ease}
#network-bg.show{opacity:1}

/* ===== NAV ===== */
nav{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(3,3,9,.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1140px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.brand{font-family:'Prompt',sans-serif;font-weight:600;color:var(--ink);text-decoration:none;letter-spacing:.06em;font-size:.95rem}
.brand-sep{color:var(--cyan);margin:0 4px}
.nav-links{display:flex;gap:16px;flex-wrap:wrap}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.88rem;transition:color .25s}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--cyan)}
.nav-links a.active{font-weight:600}
.nav-links a:focus-visible{outline:2px solid var(--violet);outline-offset:3px;border-radius:4px}
.nav-toggle{display:none}

/* ===== HERO / SOLAR SYSTEM ===== */
.hero-space{position:relative;z-index:1;min-height:100svh;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:20px;max-width:1220px;margin:0 auto;padding:96px 24px 60px}
.hero-copy h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:700;background:linear-gradient(90deg,#fff 30%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.hero-copy .role{margin-top:16px;color:var(--muted);font-size:clamp(.95rem,1.8vw,1.1rem)}
.hero-copy .role b{color:var(--gold)}
.hero-cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.btn{border-radius:10px;padding:11px 22px;text-decoration:none;font-family:'Prompt',sans-serif;font-size:.95rem;transition:transform .2s,box-shadow .2s}
.btn.solid{background:linear-gradient(90deg,var(--cyan),var(--violet));color:#030309;font-weight:600}
.btn.ghost{border:1px solid var(--line);color:var(--ink)}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(138,124,255,.25)}

/* solar system */
.solar{position:relative;width:min(48vw,520px);height:min(48vw,520px);justify-self:center;order:2}
.sun{position:absolute;inset:0;margin:auto;width:190px;height:190px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#FFE9A8,var(--gold) 55%,#B67B1E);
  box-shadow:0 0 46px rgba(245,194,66,.5),0 0 130px rgba(245,194,66,.22);
  display:flex;align-items:center;justify-content:center;overflow:hidden}
.sun img{width:100%;height:100%;object-fit:cover;border-radius:50%}

.orbit{position:absolute;inset:0;margin:auto;border:1px dashed rgba(255,255,255,.13);border-radius:50%;animation:spin linear infinite;pointer-events:none}
.planet{pointer-events:auto}

.o1{width:38%;height:38%;animation-duration:14s}
.o2{width:52%;height:52%;animation-duration:20s}
.o3{width:66%;height:66%;animation-duration:27s}
.o4{width:80%;height:80%;animation-duration:35s}
.o5{width:90%;height:90%;animation-duration:44s}
.o6{width:100%;height:100%;animation-duration:54s}
@keyframes spin{to{transform:rotate(360deg)}}
.planet{position:absolute;top:-15px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:4px;text-decoration:none;z-index:5}
.planet i{width:28px;height:28px;border-radius:50%;display:block;transition:transform .2s}
.planet span{font-family:'IBM Plex Mono',monospace;font-size:.64rem;color:var(--muted);letter-spacing:.08em;background:rgba(3,3,9,.85);padding:2px 8px;border-radius:6px;animation:counter linear infinite}
.o1 .planet span{animation-duration:14s}
.o2 .planet span{animation-duration:20s}
.o3 .planet span{animation-duration:27s}
.o4 .planet span{animation-duration:35s}
.o5 .planet span{animation-duration:44s}
.o6 .planet span{animation-duration:54s}
@keyframes counter{to{transform:rotate(-360deg)}}
.planet:hover i,.planet:focus-visible i{transform:scale(1.4)}
.planet:hover span,.planet:focus-visible span{color:#fff}
.planet:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:8px}
.p1 i{background:radial-gradient(circle at 30% 30%,#B7F5EA,var(--cyan) 60%,#177E6C);box-shadow:0 0 14px rgba(94,230,208,.6)}
.p2 i{background:radial-gradient(circle at 30% 30%,#FFD9A8,var(--gold) 60%,#8F5B12);box-shadow:0 0 14px rgba(245,194,66,.6)}
.p3 i{background:radial-gradient(circle at 30% 30%,#C7E4FF,var(--blue) 60%,#1C5FA8);box-shadow:0 0 14px rgba(78,168,255,.6)}
.p4 i{background:radial-gradient(circle at 30% 30%,#FFC1CE,var(--red) 60%,#A32444);box-shadow:0 0 14px rgba(255,92,122,.6)}
.p5 i{background:radial-gradient(circle at 30% 30%,#CFC6FF,var(--violet) 60%,#4636B8);box-shadow:0 0 14px rgba(138,124,255,.6)}
.p6 i{background:radial-gradient(circle at 30% 30%,#CFF7DA,var(--green) 60%,#2E9A54);box-shadow:0 0 14px rgba(111,229,139,.6)}
.scroll-hint{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:var(--muted);font-size:.7rem;letter-spacing:.25em;animation:bob 2s ease-in-out infinite}
@keyframes bob{50%{transform:translate(-50%,6px)}}

/* ===== PANELS ===== */
.panel{position:relative;z-index:1;padding:84px 0}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:30px}
.sec-no{color:var(--cyan);font-size:.85rem;letter-spacing:.2em}
.sec-head h2{font-size:1.55rem;font-weight:600}
.sec-head h2 small{display:block;font-size:.8rem;color:var(--muted);font-weight:400;margin-top:2px}

.glass{background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:24px 26px;backdrop-filter:blur(6px)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}
.photo-slot{display:flex;align-items:center;justify-content:center;overflow:hidden;padding:0;min-height:280px}
.photo-slot img{width:100%;height:100%;object-fit:cover;border-radius:16px}

/* ===== STAT ROW (ใหม่) ===== */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:20px}
.stat{padding:18px 20px;text-align:center}
.stat b{display:block;font-size:1.9rem;font-weight:500;line-height:1.2;
  background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;color:var(--muted);font-size:.8rem;margin-top:4px}

/* ===== TIMELINE ===== */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--cyan),var(--violet))}
.tl-item{position:relative;margin-bottom:20px}
.tl-dot{position:absolute;left:-28px;top:26px;width:16px;height:16px;border-radius:50%;background:var(--space);border:4px solid var(--cyan);box-shadow:0 0 12px rgba(94,230,208,.6)}
.tl-item:last-child .tl-dot{border-color:var(--violet);box-shadow:0 0 12px rgba(138,124,255,.6)}
.tl-when{font-size:.72rem;color:var(--cyan);letter-spacing:.1em}
.tl-item h3{font-size:1.05rem;margin-top:4px}
.tl-item p{color:var(--muted);font-size:.92rem;margin-top:6px}
.badge{display:inline-block;background:linear-gradient(90deg,var(--cyan),var(--violet));color:#030309;border-radius:8px;padding:2px 12px;font-size:.85rem;font-weight:600;margin-top:10px}

/* ===== AWARDS ===== */
.award{display:grid;grid-template-columns:52px 1fr;gap:16px;margin-bottom:14px}
.award-body{width:100%;min-width:0;max-width:100%;overflow:hidden}
.award.win{border-color:rgba(245,194,66,.45);box-shadow:0 0 30px rgba(245,194,66,.07)}
.award .ic{font-size:1.5rem;line-height:1.4;color:var(--violet);text-align:center}
.award.win .ic{color:var(--gold);text-shadow:0 0 16px rgba(245,194,66,.6)}
.award h3{font-size:1.05rem}
.award p{color:var(--muted);font-size:.92rem;margin-top:4px}
.award p b{color:var(--ink);font-weight:600}
.award .when{font-size:.72rem;color:var(--gold);margin-top:8px;letter-spacing:.1em}
.award-img{border-radius:10px;margin-top:12px;max-width:520px;display:block}

/* ===== PROJECTS ===== */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.proj{padding:0;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.proj:hover{transform:translateY(-5px);box-shadow:0 14px 40px rgba(138,124,255,.16)}
.proj > img{width:100%;height:180px;object-fit:cover}
.proj-body{padding:18px 20px}
.proj-body h3{font-size:1rem}
.proj-body p{color:var(--muted);font-size:.88rem;margin-top:6px}
.tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.tags span{border:1px solid var(--line);color:var(--cyan);border-radius:999px;padding:3px 12px;font-size:.72rem;font-family:'IBM Plex Mono',monospace}
.proj-link{margin-top:14px;display:inline-block}
.proj-links{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.proj-links .proj-link{margin-top:0}

/* ===== CERTIFICATES ===== */
.cert-cat{font-size:1.02rem;margin:30px 0 14px;display:flex;align-items:center;gap:10px}
.cert-cat .dot{width:10px;height:10px;border-radius:3px;display:inline-block}
.dot.red{background:var(--red)}.dot.gold{background:var(--gold)}.dot.blue{background:var(--violet)}
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.cert{position:relative;padding:16px 18px}
.cert b{display:block;font-size:.93rem;padding-right:78px}
.cert > span{color:var(--muted);font-size:.82rem}
.cert .vf{position:absolute;top:15px;right:15px;font-size:.6rem;color:var(--cyan);letter-spacing:.08em;opacity:.8}
.img-slot{margin-top:12px;border-radius:10px;overflow:hidden}
.img-slot img{width:100%;border-radius:8px;display:block}

/* ===== SKILLS ===== */
.skill-row{margin-bottom:20px}
.skill-row h3{font-size:.95rem;color:var(--cyan);margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.skill{border:1px solid var(--line);background:var(--glass);border-radius:999px;padding:6px 16px;font-size:.88rem}
.skill.lv::after{content:attr(data-lv);font-family:'IBM Plex Mono',monospace;font-size:.65rem;color:var(--gold);margin-left:8px}

/* ===== FOOTER ===== */
footer{position:relative;z-index:1;border-top:1px solid var(--line);padding:70px 0 46px;text-align:center;background:linear-gradient(180deg,transparent,rgba(138,124,255,.06))}
.foot-title{font-size:1.6rem;background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
footer p{color:var(--muted);margin-top:8px}
.links{margin-top:22px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--glass);border-radius:10px;padding:8px 16px;font-size:.88rem;color:var(--ink);text-decoration:none;transition:border-color .2s}
.chip:hover{border-color:var(--cyan)}
.credit{margin-top:34px;font-size:.68rem;color:#4B4970;letter-spacing:.2em}

/* ===== LIGHTBOX (กดรูปเพื่อขยาย) ===== */
section img, .award-img{cursor:zoom-in}
.sun img, .proj-link img{cursor:default}
#lightbox{position:fixed;inset:0;background:rgba(3,3,9,.92);z-index:300;display:none;align-items:center;justify-content:center;padding:30px;cursor:zoom-out}
#lightbox.open{display:flex}
#lightbox img{max-width:92vw;max-height:88vh;border-radius:12px;box-shadow:0 20px 80px rgba(0,0,0,.7)}
#lightbox video{max-width:92vw;max-height:88vh;border-radius:12px;box-shadow:0 20px 80px rgba(0,0,0,.7);display:none;background:#000;cursor:default}
#lightbox .lb-close{position:absolute;top:18px;right:26px;color:#fff;font-size:1.6rem;cursor:pointer;opacity:.7}
#lightbox .lb-close:hover{opacity:1}
#lightbox .lb-prev,#lightbox .lb-next{
  display:none;
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  background:rgba(3,3,9,.65);
  color:var(--cyan);
  border:1px solid var(--line);
  padding:12px 16px;
  cursor:pointer;
  border-radius:10px;
  font-size:1.2rem;
  line-height:1;
  backdrop-filter:blur(4px);
  transition:background .2s,color .2s,border-color .2s;
  z-index:10;
}
#lightbox.multi .lb-prev,#lightbox.multi .lb-next{display:flex;align-items:center;justify-content:center}
#lightbox .lb-prev{left:14px}
#lightbox .lb-next{right:14px}
#lightbox .lb-prev:hover,#lightbox .lb-next:hover,
#lightbox .lb-prev:focus-visible,#lightbox .lb-next:focus-visible{
  background:var(--cyan);
  color:var(--space);
  border-color:var(--cyan);
  outline:none;
}
#lightbox .lb-count{
  display:none;
  position:absolute;
  left:50%;
  bottom:22px;
  transform:translateX(-50%);
  background:rgba(3,3,9,.72);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.7rem;
  letter-spacing:.08em;
  padding:4px 11px;
  border-radius:999px;
  backdrop-filter:blur(4px);
  z-index:10;
}
#lightbox.multi .lb-count{display:block}
@media (max-width:640px){
  #lightbox .lb-prev,#lightbox .lb-next{padding:9px 12px;font-size:1rem}
}

/* ===== CAROUSEL (ใหม่) ===== */
.carousel-container{
  position:relative;
  width:100%;
  max-width:100%;
  min-width:0;
  height:220px;
  overflow:hidden;
  border-radius:16px 16px 0 0;   /* การ์ดโปรเจกต์: โค้งเฉพาะขอบบน */
  background:rgba(255,255,255,.02);
}
/* อยู่ในการ์ดรางวัลที่มี padding อยู่แล้ว → โค้งทุกมุม */
.carousel-container.in-award{
  border-radius:12px;
  margin-top:14px;
  width:100%;
  max-width:100%;
  min-width:0;
  height:auto;
  aspect-ratio:16/9;
  border:1px solid var(--line);
}
.carousel-slide{display:none;width:100%;max-width:100%;min-width:0;height:100%}
.carousel-slide.active{display:block;animation:fadeSlide .4s ease-in-out}
.carousel-slide img{width:100%;max-width:100%;min-width:0;height:100%;object-fit:cover;cursor:zoom-in;display:block}

.prev-btn,.next-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  background:rgba(3,3,9,.65);
  color:var(--cyan);
  border:1px solid var(--line);
  padding:8px 13px;
  cursor:pointer;
  border-radius:8px;
  font-size:1rem;
  line-height:1;
  backdrop-filter:blur(4px);
  transition:background .2s,color .2s,border-color .2s;
  z-index:10;
}
.prev-btn{left:8px}
.next-btn{right:8px}
.prev-btn:hover,.next-btn:hover,
.prev-btn:focus-visible,.next-btn:focus-visible{
  background:var(--cyan);
  color:var(--space);
  border-color:var(--cyan);
  outline:none;
}
.carousel-count{
  position:absolute;
  right:10px;
  bottom:10px;
  background:rgba(3,3,9,.72);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.66rem;
  letter-spacing:.08em;
  padding:3px 9px;
  border-radius:999px;
  backdrop-filter:blur(4px);
  z-index:10;
  pointer-events:none;
}
@keyframes fadeSlide{from{opacity:.4}to{opacity:1}}

/* ===== RESPONSIVE ===== */
@media (max-width:840px){
  .nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;background:none;border:none;cursor:pointer;padding:0}
  .nav-toggle span{display:block;width:100%;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-links{display:none;flex-direction:column;flex-wrap:nowrap;gap:2px;width:100%;position:absolute;top:100%;left:0;right:0;background:rgba(3,3,9,.97);border-bottom:1px solid var(--line);padding:8px 22px 18px;backdrop-filter:blur(10px)}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:.95rem}
  .nav-links a:last-child{border-bottom:none}
  .hero-space{grid-template-columns:1fr;text-align:center;padding-top:110px}
  .solar{order:0;width:min(80vw,380px);height:min(80vw,380px);margin-bottom:10px}
  .sun{width:150px;height:150px}
  .hero-cta{justify-content:center}
  .about-grid{grid-template-columns:1fr}
  .award{grid-template-columns:1fr;gap:8px}
  .award .ic{text-align:left}
  .carousel-container.in-award{height:220px;max-width:100%}
  .award-img{width:100%;max-width:100%;height:220px;object-fit:cover}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .orbit,.planet span,.scroll-hint{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .carousel-slide.active{animation:none}
}