/* =========================================================
   AYDIN METAL FERFORJE — Ana Stil Dosyası
   Kurumsal beyaz tema: header/hero/footer/CTA koyu (endüstriyel
   kontrast), sayfa gövdesi beyaz/açık gri. Vanilla CSS.
   ========================================================= */

:root {
  --c-black: #0b0c0e;
  --c-charcoal: #16181c;
  --c-anthracite: #202329;
  --c-steel: #33373f;
  --c-steel-light: #4a4f59;
  --c-gray-line: #2b2e34;

  --c-white: #ffffff;
  --c-off-white: #f4f5f7;
  --c-border: #e6e7eb;
  --c-text: #1b1e23;
  --c-text-soft: #40454d;
  --c-muted: #6b7280;
  --c-muted-dark: #9a9ea7;

  --c-accent: #c8762a;
  --c-accent-light: #e0954a;
  --c-accent-dark: #9c5a1e;
  --c-success: #2f7d4f;
  --c-danger: #b8433a;

  --font-heading: 'Manrope', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --container-w: 1240px;
  --radius: 3px;
  --shadow-1: 0 10px 30px rgba(20,20,25,.10);
  --shadow-dark: 0 10px 30px rgba(0,0,0,.35);
  --transition: .25s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-white);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--c-text); margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; color: var(--c-text-soft); }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--c-accent); color: #fff;
  padding: 10px 16px; z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius); font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: var(--transition);
  font-family: var(--font-heading);
}
.btn-accent { background: var(--c-accent); color: #14100a; }
.btn-accent:hover { background: var(--c-accent-light); }
/* Varsayılan: açık/beyaz zeminler için koyu metinli outline buton */
.btn-outline { border-color: var(--c-border); color: var(--c-text); }
.btn-outline:hover { border-color: var(--c-accent); color: var(--c-accent-dark); background: rgba(200,118,42,.06); }
/* Koyu zeminler (hero, footer, CTA bandı) için açık metinli varyant */
.btn-outline-light { border-color: rgba(255,255,255,.35); color: var(--c-white); }
.btn-outline-light:hover { border-color: var(--c-accent); color: var(--c-accent-light); }
.btn-ghost { color: var(--c-text); border-color: var(--c-border); }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn:focus-visible { outline: 2px solid var(--c-accent-light); outline-offset: 2px; }

/* ---------- Header (koyu) ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(11,12,14,.97); backdrop-filter: blur(6px); border-bottom: 1px solid var(--c-gray-line); }
.header-top { background: var(--c-charcoal); font-size: .82rem; border-bottom: 1px solid var(--c-gray-line); }
.header-top-inner { display: flex; justify-content: space-between; align-items: center; padding: 7px 24px; color: var(--c-muted-dark); }
.header-phone { display: inline-flex; align-items: center; gap: 6px; color: #e4e6ea; }
.header-phone:hover { color: var(--c-accent-light); }
.header-main-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; gap: 24px; }
.site-logo { display: flex; flex-direction: column; line-height: 1.1; font-family: var(--font-heading); }
.site-logo-img { max-height: 44px; max-width: 200px; width: auto; height: auto; object-fit: contain; }
.footer-logo .site-logo-img { max-height: 40px; }
.logo-line1 { font-size: 1.05rem; font-weight: 800; color: var(--c-white); letter-spacing: .06em; }
.logo-line2 { font-size: .78rem; font-weight: 600; color: var(--c-accent-light); letter-spacing: .28em; }
.main-nav ul { display: flex; gap: 30px; }
.main-nav a { font-family: var(--font-heading); font-weight: 600; font-size: .93rem; color: #e4e6ea; position: relative; padding: 6px 0; }
.main-nav a::after { content: ''; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0; background: var(--c-accent); transition: var(--transition); }
.main-nav a:hover::after, .main-nav a.is-active::after { width: 100%; }
.main-nav a.is-active { color: var(--c-accent-light); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-cta { white-space: nowrap; }
.mobile-menu-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 32px; background: none; border: none; cursor: pointer; }
.mobile-menu-toggle span { display: block; height: 2px; background: var(--c-white); border-radius: 2px; }

.whatsapp-float {
  position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-dark); z-index: 90; transition: var(--transition);
}
.whatsapp-float:hover { transform: translateY(-3px); }

/* ---------- Breadcrumb (açık) ---------- */
.breadcrumb { background: var(--c-off-white); border-bottom: 1px solid var(--c-border); padding: 12px 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; font-size: .84rem; color: var(--c-muted); }
.breadcrumb a:hover { color: var(--c-accent-dark); }
.breadcrumb-sep { margin-left: 6px; opacity: .5; }

/* ---------- Hero Slider (koyu) ---------- */
.hero-slider { position: relative; height: 86vh; min-height: 520px; max-height: 800px; overflow: hidden; background: var(--c-black); }
.hero-slide {
  position: absolute; top: 0; right: 0; bottom: 0; left: 0; opacity: 0; transition: opacity 1s ease;
  background-size: cover; background-position: center; display: flex; align-items: flex-end;
}
.hero-slide.is-active { opacity: 1; z-index: 2; }
.hero-slide::before {
  content: ''; position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(0deg, rgba(6,7,8,.92) 0%, rgba(6,7,8,.55) 45%, rgba(6,7,8,.35) 100%);
}
.hero-slide-inner { position: relative; z-index: 1; padding-bottom: 90px; max-width: 780px; }
.hero-eyebrow { display: inline-block; color: var(--c-accent-light); font-family: var(--font-heading); font-weight: 700; letter-spacing: .18em; text-transform: uppercase; font-size: .8rem; margin-bottom: 14px; }
.hero-slide h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); margin-bottom: .35em; color: #fff; }
.hero-slide p { color: #dfe1e6; font-size: 1.08rem; max-width: 560px; }
.hero-cta-row { display: flex; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: 26px; right: 24px; z-index: 3; display: flex; gap: 8px; }
.hero-dots button { width: 10px; height: 10px; border-radius: 50%; border: 1px solid rgba(255,255,255,.6); background: transparent; cursor: pointer; padding: 0; }
.hero-dots button.is-active { background: var(--c-accent); border-color: var(--c-accent); }
.hero-nav-btn { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35); background: rgba(0,0,0,.35); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.hero-nav-btn:hover { background: var(--c-accent); border-color: var(--c-accent); }
.hero-prev { left: 24px; } .hero-next { right: 24px; }

/* ---------- Hero: ortada sürekli dönen oval galeri ---------- */
.hero-orbit-scene {
  position: absolute;
  top: 50%; left: 73%;
  width: 340px; height: 340px;
  transform: translate(-50%, -50%) scaleY(.74);
  perspective: 1400px;
  z-index: 2;
  pointer-events: none;
}
.hero-orbit-glow {
  position: absolute; top: 50%; left: 50%;
  width: 480px; height: 480px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(200,118,42,.28) 0%, rgba(200,118,42,.08) 45%, transparent 72%);
  filter: blur(6px);
  z-index: 0;
}
.hero-orbit {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  animation: hero-orbit-spin 30s linear infinite;
  z-index: 1;
}
@keyframes hero-orbit-spin {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(360deg); }
}
@keyframes hero-orbit-item-depth {
  0%, 100% { opacity: 1; filter: brightness(1) saturate(1); }
  50% { opacity: .3; filter: brightness(.55) saturate(.7); }
}
.orbit-item {
  position: absolute; top: 50%; left: 50%;
  width: 132px; height: 98px; margin: -49px 0 0 -66px;
  border-radius: 8px; overflow: hidden;
  border: 2px solid rgba(255,255,255,.3);
  box-shadow: 0 16px 34px rgba(0,0,0,.45);
  backface-visibility: hidden;
  transform: rotateY(calc(var(--i) * 45deg)) translateZ(190px);
  animation: hero-orbit-item-depth 30s linear infinite;
  animation-delay: calc(-30s * var(--i) / 8);
}
.orbit-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Hero: geçişlerde sağ/sol hizmet adı ---------- */
.hero-edge-label {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 3; display: flex; align-items: center; gap: 8px;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-heading); font-weight: 600; font-size: .78rem;
  letter-spacing: .05em; text-transform: uppercase; color: rgba(255,255,255,.5);
  max-width: 118px; line-height: 1.35; transition: color .25s ease, opacity .25s ease;
  opacity: .8;
}
.hero-edge-label:hover { color: var(--c-accent-light); opacity: 1; }
.hero-edge-label-left { left: 78px; text-align: left; }
.hero-edge-label-right { right: 80px; text-align: right; flex-direction: row-reverse; }
.hero-edge-text { transition: opacity .2s ease; line-height: 1.3; }
.hero-edge-arrow { flex-shrink: 0; font-size: 1rem; }

/* ---------- Çalışmalarımız şeridi (hero altı) ---------- */
.works-strip { padding-top: 40px; padding-bottom: 40px; background: var(--c-off-white); border-bottom: 1px solid var(--c-border); }
.works-strip-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 8px; }
.works-strip-head h2 { font-size: 1.15rem; margin: 0; }
.works-strip-link { font-family: var(--font-heading); font-weight: 700; font-size: .85rem; color: var(--c-accent-dark); flex-shrink: 0; }
.works-strip-link:hover { color: var(--c-accent); }
.works-strip-row { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
.works-strip-item { flex: 0 0 auto; width: 120px; height: 120px; border-radius: 6px; overflow: hidden; border: 1px solid var(--c-border); transition: var(--transition); }
.works-strip-item:hover { border-color: var(--c-accent); transform: translateY(-3px); }
.works-strip-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

@media (prefers-reduced-motion: reduce) {
  .hero-orbit { animation: none; }
}

/* ---------- Sections ---------- */
.section { padding: 88px 0; background: var(--c-white); }
.section-tight { padding: 56px 0; }
.section-alt { background: var(--c-off-white); }
.section-dark { background: var(--c-black); }
.section-head { max-width: 700px; margin: 0 0 44px; }
.section-eyebrow { color: var(--c-accent-dark); font-family: var(--font-heading); font-weight: 700; letter-spacing: .18em; text-transform: uppercase; font-size: .78rem; display: block; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p { color: var(--c-muted); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-dark .section-eyebrow { color: var(--c-accent-light); }
.section-dark .section-head h2, .section-dark h2 { color: #fff; }
.section-dark .section-head p, .section-dark p { color: var(--c-muted-dark); }

/* ---------- Grid / Cards ---------- */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius);
  overflow: hidden; transition: var(--transition); display: flex; flex-direction: column;
  box-shadow: 0 1px 2px rgba(20,20,25,.04);
}
.card:hover { border-color: var(--c-accent); transform: translateY(-4px); box-shadow: var(--shadow-1); }
.card-media { aspect-ratio: 4/3; overflow: hidden; background: var(--c-anthracite); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card-media img { transform: scale(1.05); }
.card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--c-text); }
.card-body p { color: var(--c-muted); font-size: .92rem; flex: 1; }
.card-link { margin-top: 14px; font-weight: 700; color: var(--c-accent-dark); font-family: var(--font-heading); font-size: .88rem; display: inline-flex; align-items: center; gap: 6px; }
.card-tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c-accent-dark); background: rgba(200,118,42,.10); padding: 4px 10px; border-radius: 30px; margin-bottom: 10px; align-self: flex-start; }

/* ---------- Why us / features ---------- */
.feature-item { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--c-border); }
.feature-item:last-child { border-bottom: none; }
.feature-icon { width: 44px; height: 44px; border-radius: 50%; background: rgba(200,118,42,.10); color: var(--c-accent-dark); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-weight: 700; }
.feature-item h4 { margin-bottom: 4px; font-size: 1.02rem; color: var(--c-text); }
.feature-item p { color: var(--c-muted); margin: 0; font-size: .92rem; }

/* ---------- Counters ---------- */
.counter-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.counter-item .num { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: var(--c-accent-dark); }
.counter-item .label { color: var(--c-muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }

/* ---------- Process steps ---------- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.process-step { position: relative; padding: 26px 20px; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); }
.process-step::before { counter-increment: step; content: counter(step); font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--c-accent); opacity: .3; }
.process-step h4 { margin-top: 8px; color: var(--c-text); }
.process-step p { color: var(--c-muted); font-size: .88rem; margin: 0; }

/* ---------- Testimonials ---------- */
.testimonial-card { background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 26px; box-shadow: 0 1px 2px rgba(20,20,25,.04); }
.testimonial-card p { font-style: italic; color: var(--c-text-soft); }
.testimonial-name { font-family: var(--font-heading); font-weight: 700; color: var(--c-text); font-size: .9rem; }
.testimonial-role { color: var(--c-muted); font-size: .8rem; }
.stars { color: var(--c-accent); letter-spacing: 2px; margin-bottom: 10px; }

/* ---------- FAQ (accordion) ---------- */
.faq-list { border-top: 1px solid var(--c-border); }
.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-question { width: 100%; text-align: left; background: none; border: none; color: var(--c-text); font-family: var(--font-heading); font-weight: 600; font-size: 1rem; padding: 20px 4px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.faq-question:hover { color: var(--c-accent-dark); }
.faq-icon { flex-shrink: 0; transition: transform .25s ease; color: var(--c-accent); }
.faq-item.is-open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.is-open .faq-answer { max-height: 600px; }
.faq-answer-inner { padding: 0 4px 20px; color: var(--c-muted); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group.full { grid-column: 1 / -1; }
label { display: block; font-family: var(--font-heading); font-size: .85rem; font-weight: 600; color: var(--c-text); margin-bottom: 8px; }
input[type=text], input[type=email], input[type=tel], select, textarea {
  width: 100%; background: var(--c-white); border: 1px solid var(--c-border); color: var(--c-text);
  padding: 13px 14px; border-radius: var(--radius); font-family: var(--font-body); font-size: .95rem;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--c-accent); }
textarea { min-height: 140px; resize: vertical; }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; font-size: .86rem; color: var(--c-muted); }
.checkbox-row a { color: var(--c-accent-dark); font-weight: 600; }
.checkbox-row input { margin-top: 4px; }
.form-alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 20px; font-size: .92rem; }
.form-alert.success { background: rgba(47,125,79,.08); border: 1px solid var(--c-success); color: #1f5e39; }
.form-alert.error { background: rgba(184,67,58,.08); border: 1px solid var(--c-danger); color: #8f2e27; }
.honeypot-field { position: absolute; left: -9999px; opacity: 0; }

/* ---------- Contact info blocks ---------- */
.contact-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 40px; }
.contact-info-card { background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 22px; text-align: center; box-shadow: 0 1px 2px rgba(20,20,25,.04); }
.contact-info-card h4 { font-size: .95rem; margin-bottom: 6px; color: var(--c-text); }
.contact-info-card p { color: var(--c-muted); font-size: .9rem; margin: 0; }
.map-embed { border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; }
.map-embed iframe, .map-embed .map-placeholder { width: 100%; height: 380px; border: none; display: block; }
.map-placeholder { background: var(--c-off-white); display: flex; align-items: center; justify-content: center; color: var(--c-muted); font-size: .9rem; }

/* ---------- Gallery ---------- */
.gallery-filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.gallery-filter-btn { background: var(--c-white); border: 1px solid var(--c-border); color: var(--c-muted); padding: 9px 18px; border-radius: 30px; font-size: .85rem; font-family: var(--font-heading); font-weight: 600; cursor: pointer; }
.gallery-filter-btn.is-active, .gallery-filter-btn:hover { border-color: var(--c-accent); color: var(--c-accent-dark); }
.gallery-masonry { columns: 4 220px; gap: 18px; }
.gallery-item { break-inside: avoid; margin-bottom: 18px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-border); cursor: zoom-in; position: relative; }
.gallery-item img { width: 100%; display: block; transition: transform .4s ease; }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 12px; background: linear-gradient(0deg, rgba(0,0,0,.8), transparent); font-size: .8rem; color: #fff; opacity: 0; transition: var(--transition); }
.gallery-item:hover .gallery-item-caption { opacity: 1; }

.lightbox-overlay { position: fixed; top: 0; right: 0; bottom: 0; left: 0; background: rgba(6,7,8,.94); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 40px; }
.lightbox-overlay[hidden] { display: none; }
.lightbox-overlay img { max-width: 90vw; max-height: 82vh; border-radius: 4px; }
.lightbox-close, .lightbox-prev, .lightbox-next { position: absolute; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.25); color: #fff; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-caption { position: absolute; bottom: 24px; left: 0; right: 0; text-align: center; color: var(--c-muted-dark); font-size: .88rem; }

/* ---------- Blog ---------- */
.blog-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-meta { display: flex; gap: 14px; font-size: .78rem; color: var(--c-muted); margin-bottom: 10px; }
.blog-article { max-width: 780px; margin: 0 auto; }
.blog-article-cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 30px; border: 1px solid var(--c-border); }
.blog-article h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.blog-content { font-size: 1.05rem; color: var(--c-text-soft); }
.blog-content h2 { margin-top: 1.6em; font-size: 1.5rem; color: var(--c-text); }
.blog-content h3 { margin-top: 1.4em; font-size: 1.2rem; color: var(--c-text); }
.blog-content ul, .blog-content ol { margin: 0 0 1.2em 1.4em; }
.blog-content li { margin-bottom: .4em; }
.blog-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 30px; }
.tag-pill { background: var(--c-off-white); border: 1px solid var(--c-border); padding: 5px 14px; border-radius: 30px; font-size: .78rem; color: var(--c-muted); }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius); border: 1px solid var(--c-border); color: var(--c-text); font-size: .88rem; }
.pagination a:hover { border-color: var(--c-accent); color: var(--c-accent-dark); }
.pagination .is-current { background: var(--c-accent); color: #14100a; border-color: var(--c-accent); }

/* ---------- References ---------- */
.reference-card .card-body { position: relative; }
.reference-location { color: var(--c-accent-dark); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }

/* ---------- Service detail ---------- */
.service-hero { position: relative; height: 46vh; min-height: 320px; background-size: cover; background-position: center; display: flex; align-items: flex-end; background-color: var(--c-black); }
.service-hero::before { content: ''; position: absolute; top: 0; right: 0; bottom: 0; left: 0; background: linear-gradient(0deg, rgba(6,7,8,.92), rgba(6,7,8,.35)); }
.service-hero-inner { position: relative; z-index: 1; padding-bottom: 50px; }
.service-hero-inner h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: .3em; color: #fff; }
.service-hero-inner p { color: #dfe1e6; }
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; align-items: start; }
.sidebar-box { background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 26px; position: sticky; top: 110px; box-shadow: 0 1px 2px rgba(20,20,25,.04); }
.sidebar-box h4 { font-size: 1rem; margin-bottom: 14px; color: var(--c-text); }
.related-list li { padding: 10px 0; border-bottom: 1px solid var(--c-border); }
.related-list li:last-child { border-bottom: none; }
.related-list a:hover { color: var(--c-accent-dark); }

/* ---------- 404 / 500 ---------- */
.error-page { min-height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.error-code { font-family: var(--font-heading); font-size: 7rem; font-weight: 800; color: var(--c-border); line-height: 1; }
.error-links { display: flex; gap: 14px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }

/* ---------- Cookie banner ---------- */
.cookie-banner { position: fixed; left: 20px; right: 20px; bottom: 20px; max-width: 560px; margin: 0 auto; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 18px 22px; display: flex; align-items: center; gap: 16px; z-index: 500; pointer-events: auto; box-shadow: var(--shadow-1); flex-wrap: wrap; }
.cookie-banner p { margin: 0; font-size: .85rem; color: var(--c-muted); flex: 1; min-width: 220px; }
.cookie-banner a { color: var(--c-accent-dark); font-weight: 600; }

/* ---------- Footer (koyu) ---------- */
.site-footer { background: var(--c-charcoal); border-top: 1px solid var(--c-gray-line); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-col h3 { font-size: .95rem; text-transform: uppercase; letter-spacing: .08em; color: var(--c-muted-dark); margin-bottom: 18px; }
.footer-col p { color: var(--c-muted-dark); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: #d7d9de; }
.footer-col a:hover { color: var(--c-accent-light); }
.footer-nap { margin: 16px 0; font-size: .88rem; color: var(--c-muted-dark); }
.footer-nap li { margin-bottom: 6px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--c-steel-light); display: flex; align-items: center; justify-content: center; font-size: .7rem; font-weight: 700; color: #d7d9de; }
.footer-social a:hover { border-color: var(--c-accent); color: var(--c-accent-light); }
.footer-areas { border-top: 1px solid var(--c-gray-line); padding: 18px 0; font-size: .82rem; color: var(--c-muted-dark); line-height: 1.6; }
.footer-areas strong { color: #d7d9de; }
.footer-bottom { border-top: 1px solid var(--c-gray-line); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .8rem; color: var(--c-muted-dark); }

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-orbit-scene { width: 240px; height: 240px; left: 76%; }
  .hero-orbit-glow { width: 360px; height: 360px; }
  .orbit-item { width: 100px; height: 74px; margin: -37px 0 0 -50px; }
  .hero-edge-label { max-width: 110px; font-size: .72rem; }
  .hero-edge-label-left { left: 64px; } .hero-edge-label-right { right: 66px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .counter-row, .process-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .sidebar-box { position: static; }
  .gallery-masonry { columns: 3 200px; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .blog-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-top { display: none; }
  .main-nav { position: fixed; top: 0; right: -100%; width: min(320px, 84vw); height: 100vh; background: var(--c-charcoal); border-left: 1px solid var(--c-gray-line); padding: 90px 28px 28px; transition: right .3s ease; z-index: 95; }
  .main-nav.is-open { right: 0; }
  .main-nav ul { flex-direction: column; gap: 22px; }
  .mobile-menu-toggle { display: flex; }
  .header-cta { display: none; }
  .grid-3, .grid-4, .grid-2, .form-grid, .blog-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .counter-row, .process-steps { grid-template-columns: 1fr 1fr; gap: 16px; }
  .hero-slider { height: 74vh; }
  .hero-nav-btn { display: none; }
  .hero-orbit-scene { display: none; }
  .hero-edge-label { display: none; }
  .works-strip-item { width: 96px; height: 96px; }
  .gallery-masonry { columns: 2 160px; }
  .section { padding: 56px 0; }
}

@media (max-width: 480px) {
  .counter-row, .process-steps { grid-template-columns: 1fr; }
  .gallery-masonry { columns: 1; }
  .contact-info-grid { grid-template-columns: 1fr; }
}