/* ============================================
   AGENMX — Atelier Catalog design system
   ============================================ */

:root{
  --porcelain: #F7F5F1;
  --porcelain-dim: #EFEBE3;
  --ink: #17171A;
  --ink-soft: #4A4A47;
  --olive: #5C6B4C;
  --olive-deep: #414D36;
  --sand: #D9CFB8;
  --line: rgba(23,23,26,0.12);

  --font-display: "Fraunces", serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --container: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--porcelain);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }
ul{ list-style:none; margin:0; padding:0; }

h1,h2,h3{
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0;
  line-height: 1.1;
  font-weight: 500;
}

.section-title{
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 0.75rem;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Spine (signature element) ---------- */
.spine{
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: 34px;
  z-index: 40;
  background: var(--ink);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 2rem;
  pointer-events: none;
}
.spine span{
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  white-space: nowrap;
}
@media (max-width: 780px){
  .spine{ display:none; }
}

/* ---------- Header ---------- */
.site-header{
  position: fixed;
  top: 0;
  left: 34px;
  right: 0;
  z-index: 30;
  background: rgba(247,245,241,0);
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.site-header.is-scrolled{
  background: rgba(247,245,241,0.92);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}
@media (max-width: 780px){ .site-header{ left:0; } }

.header-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.1rem var(--gap);
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.brand-mark{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}
.main-nav{
  display: flex;
  gap: 1.75rem;
  margin-right: auto;
  font-size: 0.92rem;
}
.main-nav a{ position: relative; padding: 0.25rem 0; }
.main-nav a::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:0; height:1px;
  background: var(--olive);
  transition: width 0.25s ease;
}
.main-nav a:hover::after{ width:100%; }

.header-cta{
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--ink);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  transition: background 0.25s ease, color 0.25s ease;
}
.header-cta:hover{ background: var(--ink); color: var(--porcelain); }

.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:0.5rem; }
.nav-toggle span{ display:block; width:22px; height:1.5px; background:var(--ink); margin:5px 0; }

@media (max-width: 900px){
  .main-nav{
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--porcelain);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem var(--gap) 1rem;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.is-open{ display: flex; }
  .main-nav a{ padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
  .header-cta{ display:none; }
  .nav-toggle{ display:block; }
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Hero ---------- */
.hero{
  max-width: var(--container);
  margin: 0 auto;
  padding: 8.5rem var(--gap) 5rem calc(var(--gap) + 34px);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}
@media (max-width: 780px){
  .hero{ padding-left: var(--gap); grid-template-columns: 1fr; gap:2.5rem; }
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--olive-deep);
  margin: 0 0 1.1rem;
}
.eyebrow-light{ color: var(--sand); }

.hero-text h1{
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.hero-sub{
  max-width: 46ch;
  color: var(--ink-soft);
  margin: 1.4rem 0 2rem;
  font-size: 1.02rem;
}

.hero-actions{ display:flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn-primary{ background: var(--ink); color: var(--porcelain); }
.btn-primary:hover{ background: var(--olive-deep); transform: translateY(-2px); }
.btn-ghost{ border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover{ border-color: var(--ink); transform: translateY(-2px); }
.btn-light{ background: var(--sand); color: var(--ink); }
.btn-light:hover{ background: var(--porcelain); transform: translateY(-2px); }

.hero-stats{
  display: flex;
  gap: 2.5rem;
  margin: 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.hero-stats dt{
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--olive-deep);
}
.hero-stats dd{
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.hero-media{ position: relative; }
.hero-media img{
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: 4px;
}
.media-tag{
  position: absolute;
  bottom: 1rem; left: 1rem;
  background: rgba(23,23,26,0.85);
  color: var(--porcelain);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.8rem;
  border-radius: 3px;
}

/* ---------- Category index ---------- */
.category-index{
  max-width: var(--container);
  margin: 0 auto;
  padding: 5rem var(--gap) 5rem calc(var(--gap) + 34px);
}
@media (max-width: 780px){ .category-index{ padding-left: var(--gap); } }

.index-list{ margin-top: 2rem; border-top: 1px solid var(--line); }

.index-row{
  display: grid;
  grid-template-columns: 3rem 1fr 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.3s ease;
}
.index-row:hover{ padding-left: 0.6rem; }
.idx{ font-family: var(--font-mono); color: var(--olive); font-size: 0.95rem; }
.idx-name{ font-family: var(--font-display); font-size: 1.35rem; font-weight: 500; }
.idx-desc{ color: var(--ink-soft); font-size: 0.9rem; max-width: 42ch; }
.index-row img{
  width: 64px; height: 64px;
  object-fit: cover;
  border-radius: 3px;
  filter: grayscale(40%);
  transition: filter 0.3s ease;
}
.index-row:hover img{ filter: grayscale(0%); }

@media (max-width: 780px){
  .index-row{ grid-template-columns: 2rem 1fr auto; }
  .idx-desc{ display:none; }
}

/* ---------- Catalog sections (product grids) ---------- */
.catalog-section{
  max-width: var(--container);
  margin: 0 auto;
  padding: 4rem var(--gap) 4rem calc(var(--gap) + 34px);
}
@media (max-width: 780px){ .catalog-section{ padding-left: var(--gap); } }
.catalog-section.alt{ background: var(--porcelain-dim); max-width: none; padding-left: calc(34px + var(--gap)); padding-right: var(--gap); }
.catalog-section.alt .catalog-head,
.catalog-section.alt .product-grid{ max-width: var(--container); margin: 0 auto; }

.catalog-head{ max-width: 60ch; margin-bottom: 2.5rem; }
.catalog-head p{ color: var(--ink-soft); }

.product-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
@media (max-width: 900px){ .product-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px){ .product-grid{ grid-template-columns: 1fr; } }

.product-card{ position: relative; }
.product-media{ overflow: hidden; border-radius: 4px; aspect-ratio: 4/5; }
.product-media img{ width:100%; height:100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-media img{ transform: scale(1.05); }

.product-meta{ padding-top: 0.9rem; display: flex; flex-direction: column; gap: 0.15rem; position: relative; }
.product-no{
  position: absolute;
  top: -2.1rem; right: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--olive);
  background: var(--porcelain);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}
.product-meta h3{ font-size: 1.05rem; font-weight: 500; }
.product-price{ font-family: var(--font-mono); font-size: 0.9rem; color: var(--ink-soft); }

/* ---------- Gaming section ---------- */
.gaming-section{
  background: var(--ink);
  color: var(--porcelain);
  padding: 5rem 0;
}
.gaming-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap) 0 calc(var(--gap) + 34px);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 900px){ .gaming-inner{ grid-template-columns: 1fr; padding-left: var(--gap); } }

.gaming-text h2{ color: var(--porcelain); font-size: clamp(1.9rem, 3.5vw, 2.6rem); margin: 0.5rem 0 1.2rem; }
.gaming-sub{ color: rgba(247,245,241,0.72); max-width: 42ch; margin-bottom: 1.8rem; }

.gaming-grid{ display: grid; gap: 1.25rem; }
.gaming-card{
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 1rem;
  align-items: center;
  background: rgba(247,245,241,0.05);
  border: 1px solid rgba(247,245,241,0.14);
  border-radius: 6px;
  padding: 0.85rem;
}
.gaming-card img{ width:84px; height:84px; object-fit:cover; border-radius: 4px; }
.gaming-meta{ position: relative; }
.gaming-meta .product-no{ position:static; background:none; padding:0; display:block; margin-bottom:0.2rem; color: var(--sand); }
.gaming-meta h3{ color: var(--porcelain); font-size: 0.98rem; margin-bottom: 0.2rem; }
.gaming-meta .product-price{ color: rgba(247,245,241,0.65); }

/* ---------- About ---------- */
.about-section{
  max-width: var(--container);
  margin: 0 auto;
  padding: 5.5rem var(--gap) 5rem calc(var(--gap) + 34px);
}
@media (max-width: 780px){ .about-section{ padding-left: var(--gap); } }
.about-grid{ display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 3rem; }
@media (max-width: 780px){ .about-grid{ grid-template-columns: 1fr; } }
.lede{ font-family: var(--font-display); font-size: 1.3rem; color: var(--ink); margin: 0 0 1.6rem; max-width: 48ch; }
.checklist li{
  position: relative;
  padding: 0.7rem 0 0.7rem 1.6rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.checklist li::before{
  content: "";
  position: absolute;
  left: 0; top: 1.05rem;
  width: 7px; height: 7px;
  background: var(--olive);
  border-radius: 50%;
}

/* ---------- Profile / SEO detail ---------- */
.profile-section{
  max-width: var(--container);
  margin: 0 auto;
  padding: 5rem var(--gap) 1rem calc(var(--gap) + 34px);
}
@media (max-width: 780px){ .profile-section{ padding-left: var(--gap); } }
.profile-section .section-title{ max-width: 46ch; }

.profile-list{ margin-top: 2rem; border-top: 1px solid var(--line); }
.profile-row{
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: 2rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.profile-row h3{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--olive-deep);
  margin: 0;
}
.profile-row p{
  margin: 0;
  color: var(--ink-soft);
  max-width: 68ch;
  font-size: 0.96rem;
}
.profile-check{
  margin: 0;
  display: grid;
  gap: 0.5rem;
}
.profile-check li{
  position: relative;
  padding-left: 1.3rem;
  color: var(--ink-soft);
  font-size: 0.96rem;
}
.profile-check li::before{
  content: "";
  position: absolute;
  left: 0; top: 0.5rem;
  width: 6px; height: 6px;
  background: var(--olive);
  border-radius: 50%;
}
@media (max-width: 700px){
  .profile-row{ grid-template-columns: 1fr; gap: 0.6rem; }
}

/* ---------- FAQ ---------- */
.faq-section{
  max-width: var(--container);
  margin: 0 auto;
  padding: 5rem var(--gap) 5rem calc(var(--gap) + 34px);
}
@media (max-width: 780px){ .faq-section{ padding-left: var(--gap); } }
.faq-list{ margin-top: 2rem; }
.faq-item{
  border-bottom: 1px solid var(--line);
  padding: 1.3rem 0;
}
.faq-item summary{
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--olive);
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item p{ color: var(--ink-soft); margin: 0.9rem 0 0; max-width: 62ch; }

/* ---------- Contact ---------- */
.contact-section{
  background: var(--porcelain-dim);
  padding: 5.5rem 0;
}
.contact-grid{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap) 0 calc(var(--gap) + 34px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
}
@media (max-width: 900px){ .contact-grid{ grid-template-columns: 1fr; padding-left: var(--gap); } }

.contact-form p{ color: var(--ink-soft); margin: 0.8rem 0 1.8rem; max-width: 46ch; }
.contact-form form{ display: flex; flex-direction: column; gap: 1rem; max-width: 420px; }
.contact-form input{
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 0.75rem 0.2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
}
.contact-form input:focus{ outline: none; border-bottom-color: var(--olive); }
.contact-form input::placeholder{ color: var(--ink-soft); }
.contact-form button{ align-self: flex-start; margin-top: 0.5rem; border:none; cursor:pointer; }

.contact-info{ display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; align-content: start; }
.contact-info h3{ font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem; color: var(--olive-deep); }
.contact-info p{ margin:0; color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--ink);
  color: rgba(247,245,241,0.75);
  padding: 4.5rem calc(var(--gap) + 34px) 2rem var(--gap);
}
@media (max-width: 780px){ .site-footer{ padding-left: var(--gap); } }
.footer-grid{
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2.5rem;
}
@media (max-width: 780px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
.footer-brand .brand-mark{ color: var(--porcelain); font-size: 1.2rem; }
.footer-brand p{ margin: 1rem 0 1.2rem; font-size: 0.88rem; max-width: 34ch; }
.footer-social{ display: flex; gap: 0.8rem; }
.footer-social a{
  width: 32px; height: 32px;
  border: 1px solid rgba(247,245,241,0.25);
  border-radius: 50%;
  display: flex; align-items:center; justify-content:center;
  font-size: 0.7rem;
  font-family: var(--font-mono);
}
.site-footer h4{ color: var(--porcelain); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1rem; }
.site-footer a{ display:block; padding: 0.35rem 0; font-size: 0.9rem; }
.footer-bottom{
  max-width: var(--container);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(247,245,241,0.14);
  font-size: 0.8rem;
  text-align: center;
}