/* ===== Tokens ===== */
:root{
  --bg: #ffffff;
  --bg-alt: #f7f7f8;
  --text: #1c1e22;
  --text-soft: #5b616b;
  --text-faint: #8a8f98;
  --silver: #c9cdd3;
  --silver-dark: #a9afb9;
  --line: #e6e8eb;
  --line-strong: #d7dade;
  --radius: 2px;
  --max-width: 1120px;
  --space-xxl: clamp(4rem, 8vw, 8rem);
  --space-xl: clamp(2.5rem, 5vw, 5rem);
  font-size: 16px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }

.wrap{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.eyebrow{
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver-dark);
  font-weight: 500;
  margin: 0 0 1rem;
}
.eyebrow.center{ text-align: center; }

h1, h2, h3{
  font-weight: 300;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.01em;
}

.section-title{
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.25;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}
.section-title.center{ text-align: center; }

/* ===== Header ===== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo{
  display: flex;
  align-items: center;
}
.logo-img{
  height: 60px;
  width: auto;
  display: block;
}
.main-nav{
  display: flex;
  gap: 2.5rem;
}
.main-nav a{
  font-size: 0.9rem;
  color: var(--text-soft);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}
.main-nav a:hover{ color: var(--text); }
.main-nav a::after{
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--silver-dark);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}
.main-nav a:hover::after{ transform: scaleX(1); transform-origin: left; }

.lang-float{
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.lang-float:hover{
  border-color: var(--silver-dark);
  color: var(--text);
}

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span{
  display: block;
  height: 1px;
  background: var(--text);
  width: 100%;
}

/* ===== Hero ===== */
.hero{
  padding: var(--space-xxl) 0 var(--space-xl);
  overflow: hidden;
}
.hero-inner{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}
.hero h1{
  font-size: clamp(2.25rem, 4.5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 1.75rem;
}
.hero-sub{
  color: var(--text-soft);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 2.5rem;
}
.hero-actions{
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-graphic svg{
  width: 100%;
  height: auto;
}

/* ===== Buttons ===== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.75rem;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.btn-primary{
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}
.btn-primary:hover{
  background: #37393e;
  border-color: #37393e;
}
.btn-ghost{
  border-color: var(--line-strong);
  color: var(--text);
}
.btn-ghost:hover{
  border-color: var(--silver-dark);
  background: var(--bg-alt);
}

/* ===== Services ===== */
.services{
  padding: var(--space-xxl) 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.service-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}
.service-card{
  background: var(--bg);
  padding: 2.75rem 2.25rem;
}
.service-index{
  font-size: 0.8rem;
  color: var(--silver-dark);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}
.service-card h3{
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 1rem;
}
.service-card p{
  color: var(--text-soft);
  font-size: 0.95rem;
}
.service-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.service-tags span{
  font-size: 0.74rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line-strong);
  color: var(--text-soft);
}

/* ===== Work ===== */
.work{
  padding: var(--space-xxl) 0;
}
.work-list{
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.work-card{
  max-width: 760px;
  margin: 0 auto;
  border: 1px solid var(--line-strong);
  padding: clamp(2rem, 4vw, 3.5rem);
}
.work-role{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dark);
  margin: 0 0 2rem;
}
.work-role-icon{
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.work-intro{
  color: var(--text-soft);
  margin: 0 0 1.75rem;
}
.work-block{
  margin-bottom: 1.75rem;
}
.work-label{
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 0.5rem;
}
.work-block p{
  color: var(--text-soft);
  margin: 0;
}
.work-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.25rem;
}
.work-tags span{
  font-size: 0.78rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line-strong);
  color: var(--text-soft);
}
.work-carousel{
  position: relative;
  margin-top: 2rem;
}
.carousel-track{
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  border: 1px solid var(--line-strong);
  background: var(--bg-alt);
}
.carousel-track::-webkit-scrollbar{
  display: none;
}
.carousel-slide{
  flex: 0 0 100%;
  scroll-snap-align: start;
}
.carousel-slide a{
  display: block;
}
.carousel-slide img{
  width: 100%;
  height: auto;
  display: block;
}
.carousel-arrow{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, background 0.2s ease;
  z-index: 2;
}
.carousel-arrow:hover{
  border-color: var(--silver-dark);
  background: #fff;
}
.carousel-prev{ left: -18px; }
.carousel-next{ right: -18px; }
.work-image{
  border: 1px solid var(--line-strong);
  background: var(--bg-alt);
  margin-top: 2rem;
}
.work-image a{
  display: block;
}
.work-image img{
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 0.2s ease;
}
.work-image a:hover img{
  opacity: 0.9;
}
.work-caption{
  font-size: 0.78rem;
  font-style: italic;
  color: var(--text-faint);
  margin: 0.75rem 0 0;
}
.work-link{
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}
.work-link:hover{
  border-color: var(--silver-dark);
}

/* ===== About ===== */
.about{
  padding: var(--space-xxl) 0;
}
.about-inner{
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.photo-frame{
  aspect-ratio: 4 / 5;
  background: var(--bg-alt);
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.about-name{
  margin: 1rem 0 0;
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--text-soft);
  text-align: center;
}
.about-copy h2{
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  margin-bottom: 1.5rem;
}
.about-copy p{
  color: var(--text-soft);
  margin: 0 0 1.25rem;
  max-width: 560px;
}
.about-copy p:last-child{ margin-bottom: 0; }

/* ===== Contact ===== */
.contact{
  padding: var(--space-xxl) 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}
.contact-inner{ text-align: center; }
.contact-sub{
  color: var(--text-soft);
  max-width: 480px;
  margin: -2rem auto 3rem;
}
.contact-details{
  display: flex;
  justify-content: center;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  max-width: 640px;
  margin: 0 auto;
}
.contact-item{
  flex: 1;
  background: var(--bg);
  padding: 2rem;
  transition: background 0.2s ease;
}
.contact-item:hover{ background: var(--bg-alt); }
.contact-label{
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver-dark);
  margin-bottom: 0.6rem;
}
.contact-value{
  display: block;
  font-size: 1.05rem;
  color: var(--text);
}

/* ===== Footer ===== */
.site-footer{
  padding: 2rem 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-faint);
}
.footer-line{
  flex: 1;
  height: 1px;
  background: var(--line);
  margin-left: 2rem;
}

/* ===== Responsive ===== */
@media (max-width: 860px){
  .main-nav{
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
  }
  .main-nav.open{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a{
    padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  }
  .nav-toggle{ display: flex; }

  .hero-inner{
    grid-template-columns: 1fr;
  }
  .hero-graphic{
    order: -1;
    max-width: 320px;
    margin: 0 auto;
    opacity: 0.85;
  }

  .service-grid{ grid-template-columns: 1fr; }

  .carousel-arrow{
    width: 32px;
    height: 32px;
    font-size: 1.1rem;
  }
  .carousel-prev{ left: 6px; }
  .carousel-next{ right: 6px; }

  .about-inner{ grid-template-columns: 1fr; }
  .photo-frame{ max-width: 320px; margin: 0 auto; }

  .contact-details{ flex-direction: column; }
}