/* ============================================================
   tqmane portfolio — rebuilt from scratch
   ============================================================ */

/* ---------- Reset & Tokens ---------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --c-bg:      #0a0a0a;
  --c-surface: #141414;
  --c-border:  rgba(255,255,255,.08);
  --c-text:    #ededed;
  --c-text2:   #888;
  --c-accent:  #e8e8e8;
  --c-tag-ios: #147CE5;
  --c-tag-android: #34A853;
  --font: 'Inter','Noto Sans JP',system-ui,sans-serif;
  --ease: cubic-bezier(.4,0,.2,1);
  --nav-h: 64px;
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(255,255,255,.15)}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---------- Noise texture ---------- */
.noise{
  position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:128px 128px;
}

/* ---------- Navigation ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  background:rgba(10,10,10,.8);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--c-border);
  transition:background .3s var(--ease);
}
.nav-inner{
  max-width:1200px;margin:0 auto;height:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;
}
.nav-logo{
  font-size:1.25rem;font-weight:800;letter-spacing:-.03em;
  transition:opacity .2s;
}
.nav-logo:hover{opacity:.7}

.nav-right{display:flex;align-items:center;gap:28px}
.nav-link{
  font-size:.875rem;font-weight:500;color:var(--c-text2);
  transition:color .2s;position:relative;
}
.nav-link:hover,.nav-link.active{color:var(--c-text)}
.nav-link::after{
  content:'';position:absolute;bottom:-4px;left:0;
  width:0;height:1.5px;background:var(--c-text);
  transition:width .3s var(--ease);
}
.nav-link:hover::after,.nav-link.active::after{width:100%}

.nav-socials{display:flex;gap:12px}
.nav-socials a{color:var(--c-text2);transition:color .2s}
.nav-socials a:hover{color:var(--c-text)}
.nav-socials svg{width:18px;height:18px}

/* Hamburger */
.nav-hamburger{
  display:none;flex-direction:column;gap:5px;
  width:24px;padding:4px 0;z-index:110;
}
.nav-hamburger span{
  display:block;height:2px;background:var(--c-text);border-radius:2px;
  transition:all .3s var(--ease);
}
.nav-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-hamburger.open span:nth-child(2){opacity:0}
.nav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile menu */
.mobile-menu{
  position:fixed;inset:0;z-index:99;
  background:rgba(10,10,10,.96);backdrop-filter:blur(24px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:32px;
  opacity:0;visibility:hidden;transition:all .4s var(--ease);
}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-link{font-size:1.5rem;font-weight:600;color:var(--c-text2);transition:color .2s}
.mobile-link:hover{color:var(--c-text)}
.mobile-socials{display:flex;gap:20px}
.mobile-socials a{color:var(--c-text2);transition:color .2s}
.mobile-socials a:hover{color:var(--c-text)}
.mobile-socials svg{width:22px;height:22px}
.mobile-lang{display:flex;gap:12px}
.mobile-lang .lang-item{
  padding:6px 14px;border-radius:6px;font-size:.8rem;font-weight:600;
  border:1px solid var(--c-border);color:var(--c-text2);
}
.mobile-lang .lang-item.active{color:var(--c-text);border-color:var(--c-text)}

/* Language selector */
.lang-select{position:relative}
.lang-btn{
  display:flex;align-items:center;gap:6px;
  font-size:.8rem;font-weight:600;color:var(--c-text2);
  padding:6px 12px;border-radius:8px;
  border:1px solid var(--c-border);
  transition:all .2s;
}
.lang-btn:hover{border-color:rgba(255,255,255,.2);color:var(--c-text)}
.lang-btn svg{width:14px;height:14px}
.lang-menu{
  position:absolute;top:calc(100% + 8px);right:0;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:10px;padding:6px;min-width:110px;
  box-shadow:0 16px 48px rgba(0,0,0,.5);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:all .25s var(--ease);
}
.lang-select.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-item{
  display:block;width:100%;text-align:left;
  padding:8px 12px;border-radius:6px;font-size:.85rem;font-weight:500;
  color:var(--c-text2);transition:all .15s;
}
.lang-item:hover,.lang-item.active{background:rgba(255,255,255,.06);color:var(--c-text)}

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding:var(--nav-h) 24px 0;position:relative;
}
.hero-inner{max-width:1200px;margin:0 auto;width:100%;padding:80px 0}
.hero-badge{
  display:inline-block;
  font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--c-text2);margin-bottom:24px;
}
.hero-title-row{
  display:flex;align-items:flex-end;gap:clamp(20px,3vw,40px);
  margin-bottom:24px;
}
.hero-title{
  font-size:clamp(3rem,8vw,6.5rem);font-weight:900;
  line-height:1;letter-spacing:-.04em;
}
.hero-name{display:block;position:relative}
.hero-dot{color:var(--c-text2)}
.hero-avatar{
  width:clamp(80px,10vw,130px);height:clamp(80px,10vw,130px);
  border-radius:50%;object-fit:cover;flex-shrink:0;
  border:3px solid var(--c-border);
  margin-bottom:.15em;
  transition:transform .4s var(--ease),border-color .3s;
}
.hero-avatar:hover{
  transform:scale(1.05);
  border-color:rgba(255,255,255,.25);
}
.hero-desc{
  font-size:clamp(1rem,2vw,1.25rem);color:var(--c-text2);
  max-width:540px;margin-bottom:40px;line-height:1.7;
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 36px;border-radius:100px;
  font-size:.9rem;font-weight:600;
  background:var(--c-text);color:var(--c-bg);
  transition:all .3s var(--ease);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,255,255,.12)}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 36px;border-radius:100px;
  font-size:.9rem;font-weight:600;
  border:1px solid var(--c-border);color:var(--c-text2);
  transition:all .3s var(--ease);
}
.btn-ghost:hover{
  border-color:rgba(255,255,255,.25);color:var(--c-text);
  transform:translateY(-2px);
}

/* Scroll indicator */
.hero-scroll{
  position:absolute;bottom:40px;left:50%;transform:translateX(-50%);
}
.hero-scroll-line{
  width:1px;height:48px;
  background:linear-gradient(to bottom,var(--c-text2),transparent);
  animation:scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse{
  0%,100%{opacity:.4;transform:scaleY(1)}
  50%{opacity:1;transform:scaleY(.6)}
}

/* ---------- Sections shared ---------- */
.section-inner{max-width:1200px;margin:0 auto;padding:120px 24px}
.section-label{
  font-size:.75rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;
  color:var(--c-text2);margin-bottom:12px;
}
.section-heading{
  font-size:clamp(2rem,5vw,3.5rem);font-weight:800;
  letter-spacing:-.03em;margin-bottom:56px;
}

/* ---------- About ---------- */
.about{border-top:1px solid var(--c-border)}
.about-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--c-border);border:1px solid var(--c-border);border-radius:16px;
  overflow:hidden;
}
.about-item{
  background:var(--c-bg);padding:40px 32px;
  transition:background .3s var(--ease);
}
.about-item:hover{background:var(--c-surface)}
.about-label{
  display:block;font-size:.8rem;font-weight:500;
  color:var(--c-text2);margin-bottom:8px;text-transform:uppercase;letter-spacing:.06em;
}
.about-value{
  display:block;font-size:1.25rem;font-weight:700;
}

/* ---------- Works ---------- */
.works{border-top:1px solid var(--c-border)}
.works-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}

.work-card{
  display:block;border-radius:16px;overflow:hidden;
  border:1px solid var(--c-border);
  background:var(--c-surface);
  transition:all .4s var(--ease);
  position:relative;
}
.work-card:hover{
  border-color:rgba(255,255,255,.15);
  transform:translateY(-4px);
  box-shadow:0 24px 64px rgba(0,0,0,.4);
}

.work-thumb{
  width:100%;aspect-ratio:16/9;overflow:hidden;
  background:var(--c-bg);
}
.work-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease);
}
.work-card:hover .work-thumb img{transform:scale(1.05)}

.work-body{padding:24px 28px 28px}
.work-tags{display:flex;gap:8px;margin-bottom:12px}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;
  padding:4px 10px;border-radius:100px;letter-spacing:.03em;
  text-transform:uppercase;
}
.tag-ios{background:rgba(20,124,229,.15);color:#4da3f0}
.tag-android{background:rgba(52,168,83,.15);color:#6abf7b}

.work-title{
  font-size:1.35rem;font-weight:700;margin-bottom:8px;
  letter-spacing:-.01em;
}
.work-desc{
  font-size:.9rem;color:var(--c-text2);line-height:1.6;
  margin-bottom:16px;
}
.work-arrow{
  display:flex;align-items:center;justify-content:flex-end;
  color:var(--c-text2);
  transition:all .3s var(--ease);
}
.work-arrow svg{width:20px;height:20px;transition:transform .3s var(--ease)}
.work-card:hover .work-arrow{color:var(--c-text)}
.work-card:hover .work-arrow svg{transform:translate(3px,-3px)}

/* ---------- Footer ---------- */
.footer{
  border-top:1px solid var(--c-border);
  margin-top:40px;
}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:32px 24px;
  display:flex;justify-content:space-between;align-items:center;
}
.footer-copy{font-size:.8rem;color:var(--c-text2)}
.footer-links{display:flex;gap:16px}
.footer-links a{color:var(--c-text2);transition:color .2s}
.footer-links a:hover{color:var(--c-text)}
.footer-links svg{width:18px;height:18px}

/* ---------- Animations ---------- */
.anim-up{
  opacity:0;transform:translateY(32px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.anim-up.visible{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.1s}
.delay-2{transition-delay:.2s}
.delay-3{transition-delay:.3s}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .about-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
  .nav-right{display:none}
  .nav-hamburger{display:flex}
  .hero-title{font-size:clamp(2.5rem,10vw,4rem)}
  .hero-title-row{gap:14px}
  .hero-avatar{width:64px;height:64px;margin-bottom:.1em}
  .about-grid{grid-template-columns:1fr 1fr}
  .about-item{padding:28px 20px}
  .works-grid{grid-template-columns:1fr}
  .section-inner{padding:80px 20px}
  .footer-inner{flex-direction:column;gap:16px;text-align:center}
  .hero-cta{justify-content:flex-start}
}

@media(max-width:480px){
  .about-grid{grid-template-columns:1fr}
  .hero-cta .btn-primary,.hero-cta .btn-ghost{width:100%;justify-content:center}
}