/* =========================================================
   Büro Copy Center — Design Tokens
   Baskı atölyesinin kendi diliyle: CMYK ayrım renkleri, iş
   fişi kartları, mizanpaj kesim işaretleri (crop marks),
   yarı-ton (halftone) doku. Jenerik "SaaS" görünümünden
   bilinçli olarak uzak durulmuştur.
   ========================================================= */

:root {
  /* Yüzeyler */
  --paper: #FAFAF8;
  --surface: #FFFFFF;
  --surface-alt: #F1EFEA;
  --ink: #131217;
  --ink-soft: #56525C;
  --ink-faint: #8B8790;
  --line: #E5E1DA;

  /* CMYK vurgu paleti — marka kimliği */
  --c: #00AEEF;
  --m: #EC1257;
  --y: #FFDE00;
  --k: #131217;

  /* color-mix ile türetiliyor ki admin panelden marka rengi değiştirildiğinde
     bu "soft" tonlar da otomatik güncellensin (bkz. head.ejs --c/--m/--y override) */
  --c-soft: color-mix(in srgb, var(--c) 12%, white);
  --m-soft: color-mix(in srgb, var(--m) 12%, white);
  --y-soft: color-mix(in srgb, var(--y) 16%, white);

  /* Tipografi */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Ölçüler */
  --wrap: 1200px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 2px rgba(19,18,23,.04), 0 12px 28px -16px rgba(19,18,23,.18);
  --shadow-lift: 0 20px 44px -20px rgba(19,18,23,.30);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}
/* Form alanlarında yazma/düzenleme için seçim açık kalmalı */
input, textarea, [contenteditable] {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}
img { max-width: 100%; display: block; -webkit-user-drag: none; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; margin: 0; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--c);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.section-title {
  font-size: clamp(26px, 3vw, 34px);
  margin-bottom: 40px;
  text-align: center;
}

.empty-note { text-align: center; color: var(--ink-faint); font-family: var(--font-mono); font-size: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.btn-outline { border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-whatsapp-solid { background: #1FAF57; color: #fff; }
.btn-whatsapp-solid:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  transition: border-color .15s ease, color .15s ease;
}
.btn-whatsapp:hover { border-color: #1FAF57; color: #1FAF57; }

/* ---------- Kesim işaretleri (crop marks) — sadece imzasal noktalarda ---------- */
.crop-mark { position: absolute; width: 22px; height: 22px; pointer-events: none; z-index: 2; }
.crop-mark::before, .crop-mark::after { content: ""; position: absolute; background: var(--ink); }
.crop-mark::before { width: 100%; height: 1.5px; top: 50%; }
.crop-mark::after { height: 100%; width: 1.5px; left: 50%; }
.crop-mark-tl { top: 18px; left: 18px; }
.crop-mark-tr { top: 18px; right: 18px; }

/* ---------- İkon rozetleri: renk provası (color-swatch) mantığı ---------- */
.icon-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  transform: rotate(-6deg);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--paper);
  margin-bottom: 16px;
}
.icon-swatch-sm { width: 34px; height: 34px; font-size: 12px; }
:is(.feature-card, .category-card, .why-card, .hizmet-block, .iletisim-info-item):nth-of-type(4n+1) .icon-swatch { background: var(--c); }
:is(.feature-card, .category-card, .why-card, .hizmet-block, .iletisim-info-item):nth-of-type(4n+2) .icon-swatch { background: var(--m); }
:is(.feature-card, .category-card, .why-card, .hizmet-block, .iletisim-info-item):nth-of-type(4n+3) .icon-swatch { background: var(--y); color: var(--ink); }
:is(.feature-card, .category-card, .why-card, .hizmet-block, .iletisim-info-item):nth-of-type(4n+4) .icon-swatch { background: var(--k); }
/* .why-us bölümünün arka planı zaten --ink (=--k) — 4. rozet orada görünmez olurdu, paper'a çeviriyoruz */
.why-card:nth-of-type(4n+4) .icon-swatch { background: var(--paper); color: var(--ink); }

/* =========================================================
   Duyuru şeridi + Header
   ========================================================= */
.announce-bar {
  background: var(--ink);
  color: var(--paper);
}
.announce-bar p {
  margin: 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  padding: 8px 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(250, 250, 248, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.logo { display: flex; align-items: center; }
.logo-img { height: 34px; width: auto; }

.main-nav { display: flex; gap: 30px; }
.main-nav a { font-size: 14.5px; font-weight: 500; color: var(--ink-soft); transition: color .15s ease; }
.main-nav a:hover { color: var(--ink); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* =========================================================
   HERO — "register-fx" imzasal başlık: CMYK ayrım baskısı
   efekti, sayfa yüklenince tam hizaya oturur.
   ========================================================= */
.hero {
  position: relative;
  padding: 96px 0 88px;
  overflow: clip;
}
.hero-in {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--m);
  margin: 0 0 18px;
}

.register-fx {
  position: relative;
  font-size: clamp(38px, 4.6vw, 60px);
  letter-spacing: -.01em;
  margin-bottom: 22px;
}
.register-fx-layer {
  display: block;
}
.register-fx-k { position: relative; color: var(--ink); z-index: 4; }
.register-fx-c, .register-fx-m, .register-fx-y {
  position: absolute;
  inset: 0;
  z-index: 1;
  mix-blend-mode: multiply;
  animation: registerSettle 5s cubic-bezier(.16,.9,.28,1) infinite;
}
.register-fx-c { color: var(--c); animation-delay: .05s; }
.register-fx-m { color: var(--m); animation-delay: .15s; }
.register-fx-y { color: var(--y); animation-delay: .25s; }

/* 0-22%: ayrım baskısı hizaya oturur (~1.1s), geri kalan süre hizalı bekler, sonra tekrarlar */
@keyframes registerSettle {
  0%    { transform: translate(var(--dx, 10px), var(--dy, -6px)); opacity: .85; }
  22%,
  100%  { transform: translate(0, 0); opacity: .55; }
}
.register-fx-c { --dx: -9px; --dy: 6px; }
.register-fx-m { --dx: 8px; --dy: 7px; }
.register-fx-y { --dx: -6px; --dy: -8px; }

@media (prefers-reduced-motion: reduce) {
  .register-fx-c, .register-fx-m, .register-fx-y { animation: none; transform: none; opacity: .45; }
}

.hero-sub {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 34px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats { display: flex; gap: 40px; }
.hero-stats .stat { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-display); font-size: 26px; }
.hero-stats span { font-size: 13px; color: var(--ink-faint); }

.hero-art {
  position: relative;
  height: 460px;
}
.cmyk-dot { position: absolute; width: 14px; height: 14px; border-radius: 50%; opacity: .85; }
.cmyk-dot-c { background: var(--c); top: 4%; right: 18%; }
.cmyk-dot-m { background: var(--m); top: 30%; right: 4%; }
.cmyk-dot-y { background: var(--y); bottom: 14%; right: 22%; }
.cmyk-dot-k { background: var(--k); bottom: 2%; right: 40%; }

/* Hero banner — döner/salınan 3D objeler + arkalarında uçuşan partiküller.
   Objeler kendi ekseninde model-viewer'ın auto-rotate'iyle döner (dokunulunca
   otomatik durur, model-viewer'ın kendi davranışı); dış kapsül CSS ile hafifçe
   yukarı-aşağı salınır — ikisi bağımsız, çakışmaz. */
.hero-particles { position: absolute; inset: 0; z-index: 0; overflow: visible; pointer-events: none; }
.hero-particle { position: absolute; width: 6px; height: 6px; border-radius: 50%; opacity: 0; animation: heroParticleDrift 7s ease-in-out infinite; }
.hero-particle:nth-of-type(3n+1) { background: var(--c); }
.hero-particle:nth-of-type(3n+2) { background: var(--m); }
.hero-particle:nth-of-type(3n+3) { background: var(--y); }
.hero-particle:nth-of-type(1) { top: 6%; right: 32%; animation-delay: 0s; animation-duration: 6s; }
.hero-particle:nth-of-type(2) { top: 18%; right: 4%; animation-delay: .8s; animation-duration: 7.5s; }
.hero-particle:nth-of-type(3) { top: 42%; right: 24%; animation-delay: 1.6s; animation-duration: 6.5s; width: 4px; height: 4px; }
.hero-particle:nth-of-type(4) { top: 54%; right: -4%; animation-delay: 2.4s; animation-duration: 8s; }
.hero-particle:nth-of-type(5) { top: 72%; right: 18%; animation-delay: .4s; animation-duration: 7s; width: 8px; height: 8px; }
.hero-particle:nth-of-type(6) { top: 86%; right: 34%; animation-delay: 1.2s; animation-duration: 6.8s; }
.hero-particle:nth-of-type(7) { top: 12%; right: 14%; animation-delay: 2s; animation-duration: 7.2s; width: 5px; height: 5px; }
.hero-particle:nth-of-type(8) { top: 62%; right: 4%; animation-delay: 3s; animation-duration: 6.2s; }
@keyframes heroParticleDrift {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  15%  { opacity: .7; }
  50%  { transform: translateY(-26px) translateX(6px); opacity: .9; }
  85%  { opacity: .3; }
  100% { transform: translateY(-52px) translateX(-4px); opacity: 0; }
}

.hero-3d-cluster { position: absolute; inset: 0; z-index: 1; }
.hero-3d-float {
  position: absolute;
  animation: hero3dSway ease-in-out infinite;
}
.hero-3d-float model-viewer { width: 100%; height: 100%; display: block; background: transparent; --poster-color: transparent; }
.hero-3d-float-1 { width: 200px; height: 200px; top: -2%; right: 6%; animation-duration: 6s; }
.hero-3d-float-2 { width: 260px; height: 260px; top: 30%; right: -10%; animation-duration: 7s; animation-delay: .6s; z-index: 2; }
.hero-3d-float-3 { width: 176px; height: 176px; top: 66%; right: 18%; animation-duration: 6.6s; animation-delay: 1.1s; }
@keyframes hero3dSway {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(2deg); }
}
@media (max-width: 860px) {
  /* Mobilde: metin önce görünür, 3D objeler onun altında yatay kaydırmalı bir
     şerit halinde — her kaydırışta bir sonraki obje snap ile tam ortalanır. */
  .hero-particles { display: none; }
  .hero-3d-cluster {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .hero-3d-cluster::-webkit-scrollbar { display: none; }
  .hero-3d-float {
    position: static !important;
    flex: 0 0 100%;
    height: 100%;
    width: auto !important;
    scroll-snap-align: center;
    animation: none;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .hero-3d-float model-viewer { width: 220px; height: 220px; }
}

/* =========================================================
   Hakkımızda şeridi — yarı ton (halftone) doku
   ========================================================= */
.about-strip {
  position: relative;
  background: var(--surface-alt);
  padding: 84px 0;
}
.about-strip::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(var(--ink) .8px, transparent .8px);
  background-size: 14px 14px;
  opacity: .05;
  pointer-events: none;
}
.about-strip-in {
  position: relative;
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 60px;
}
.about-copy h2 { font-size: clamp(24px, 2.6vw, 30px); margin-bottom: 16px; }
.about-copy p { color: var(--ink-soft); max-width: 40ch; }

.feature-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 22px;
}
.feature-card h3 { font-size: 16px; margin-bottom: 8px; }
.feature-card p { font-size: 13.5px; color: var(--ink-soft); }

/* =========================================================
   Kategoriler
   ========================================================= */
.categories { padding: 96px 0; }
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.category-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.category-card .icon-swatch { margin-bottom: 0; flex: none; }
.category-title { font-weight: 600; font-size: 15.5px; }
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: transparent; }

/* =========================================================
   Nasıl Çalışır — gerçek sıralı süreç, numaralandırma anlamlı
   ========================================================= */
.how-it-works { padding: 96px 0; background: var(--surface-alt); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.steps-grid::before {
  content: "";
  position: absolute;
  top: 26px; left: 12%; right: 12%;
  height: 1.5px;
  background: repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 18px);
}
.step-card { position: relative; text-align: center; }
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--surface);
  border: 1.5px solid var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}
.step-card h3 { font-size: 17px; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--ink-soft); max-width: 30ch; margin: 0 auto; }

/* =========================================================
   Öne çıkan ürünler
   ========================================================= */
.featured-products { padding: 96px 0; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
}
.product-card img { border-radius: var(--radius-sm); margin-bottom: 14px; aspect-ratio: 1; object-fit: cover; }
.product-card h3 { font-size: 14.5px; margin-bottom: 12px; font-weight: 600; }

/* =========================================================
   Neden biz
   ========================================================= */
.why-us { padding: 96px 0; background: var(--ink); color: var(--paper); }
.why-us .section-title { color: var(--paper); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-card { text-align: center; }
.why-card .icon-swatch { margin: 0 auto 14px; }
.why-card h3 { font-size: 15px; font-weight: 500; color: var(--paper); }

/* =========================================================
   Kampanya bantları
   ========================================================= */
.campaigns { padding: 96px 0; }
.campaign-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.campaign-card {
  padding: 34px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--c-soft), var(--m-soft));
  border: 1px solid var(--line);
  transition: transform .15s ease;
}
.campaign-card:hover { transform: translateY(-4px); }
.campaign-card h3 { font-size: 20px; margin-bottom: 10px; }
.campaign-card p { color: var(--ink-soft); margin-bottom: 18px; }
.campaign-link { font-weight: 600; font-size: 14px; font-family: var(--font-mono); }

/* =========================================================
   Müşteri yorumları
   ========================================================= */
.testimonials { padding: 96px 0; background: var(--surface-alt); }
.testimonial-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 30px;
  border-left: 4px solid var(--y);
}
.testimonial-card p { font-size: 15.5px; margin-bottom: 16px; }
.testimonial-card strong { display: block; font-size: 14px; }
.testimonial-card span { font-size: 12.5px; color: var(--ink-faint); }

/* =========================================================
   CTA
   ========================================================= */
.cta-banner { padding: 80px 0; }
.cta-banner-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: 48px;
}
.cta-banner-in h2 { font-size: clamp(22px, 2.6vw, 28px); margin-bottom: 8px; }
.cta-banner-in p { color: #C9C6CF; }
.cta-banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-banner-in .btn-primary { background: var(--paper); color: var(--ink); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer { background: var(--surface-alt); padding-top: 72px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo-img { height: 30px; }
.footer-brand p { color: var(--ink-soft); font-size: 14px; margin-top: 12px; max-width: 32ch; }
.footer-col h3 { font-family: var(--font-mono); font-size: 12px; letter-spacing: .05em; color: var(--ink-faint); margin-bottom: 16px; text-transform: uppercase; }
.footer-col a, .footer-col p { display: block; font-size: 14px; color: var(--ink-soft); margin-bottom: 10px; }
.footer-col a:hover { color: var(--ink); }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 50%;
  font-family: var(--font-mono); font-size: 11px;
}
.footer-bottom { border-top: 1px solid var(--line); padding: 20px 0; }
.footer-bottom p { font-size: 13px; color: var(--ink-faint); margin: 0; }

/* =========================================================
   404
   ========================================================= */
.not-found { padding: 140px 0; text-align: center; }
.not-found h1 { font-size: 72px; }
.not-found p { margin: 14px 0 28px; color: var(--ink-soft); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 76px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 18px;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .nav-toggle { display: flex; }
  .hero-in { grid-template-columns: 1fr; }
  .hero-art { height: 300px; margin-top: 20px; }
  .about-strip-in { grid-template-columns: 1fr; }
  .feature-cards { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; gap: 44px; }
  .steps-grid::before { display: none; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .campaign-grid, .testimonial-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .hero { padding: 64px 0 56px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .category-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .cta-banner-in { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Faz 2a — Ürün listesi / detay / teklif formu
   ========================================================= */
.products-page, .product-detail-page, .quote-page { padding: 56px 0 96px; }

.breadcrumb { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-faint); margin-bottom: 28px; }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { margin: 0 8px; }

.products-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 40px; align-items: start; }
.products-content { min-width: 0; }

.category-sidebar { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 24px; }
.category-sidebar h2 { font-size: 15px; margin-bottom: 16px; }
.category-tree li { margin-bottom: 4px; }
.category-tree a { display: block; padding: 8px 10px; border-radius: 8px; font-size: 14px; color: var(--ink-soft); }
.category-tree a:hover { background: var(--surface-alt); color: var(--ink); }
.category-tree a.is-active { background: var(--ink); color: var(--paper); }
.category-tree ul { margin-left: 12px; margin-top: 2px; }
.category-tree ul a { font-size: 13px; }

.products-header { margin-bottom: 28px; }
.products-header h1 { font-size: clamp(24px, 3vw, 32px); }

.product-card-noimg {
  aspect-ratio: 1; border-radius: var(--radius-sm); margin-bottom: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-alt); color: var(--ink-faint); font-family: var(--font-mono); font-size: 12px;
}

.pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; margin-top: 40px; }
.pagination a {
  min-width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 8px; font-family: var(--font-mono); font-size: 13px;
  padding: 0 4px;
}
.pagination a.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pagination a.pagination-nav { width: auto; padding: 0 14px; font-size: 12.5px; }
.pagination-ellipsis { width: 24px; text-align: center; color: var(--ink-faint); font-family: var(--font-mono); font-size: 13px; }

.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-bottom: 80px; }
.product-detail-main-img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-lg); }
.product-detail-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.product-detail-thumbs img { width: 64px; height: 64px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.product-detail-info h1 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 10px; }
.product-detail-code { font-family: var(--font-mono); font-size: 13px; color: var(--ink-faint); margin-bottom: 20px; }
.product-detail-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.product-detail-specs {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  margin-bottom: 32px; overflow: hidden;
}
.product-detail-spec-block { padding: 22px 26px; border-bottom: 1px solid var(--line); }
.product-detail-spec-block:last-child { border-bottom: 0; }
.product-detail-spec-label {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.product-detail-spec-label::before { content: ""; width: 10px; height: 1.5px; background: var(--c); }
.product-detail-desc { color: var(--ink-soft); line-height: 1.75; margin: 0; max-width: 62ch; }

.quote-wrap { max-width: 560px; }
.quote-sub { color: var(--ink-soft); margin: 10px 0 32px; }
.quote-form { display: flex; flex-direction: column; gap: 6px; }
.quote-form label { font-size: 13px; font-weight: 600; margin-top: 14px; }
.quote-form input, .quote-form textarea {
  padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 14.5px; background: var(--surface);
}
.quote-form input:focus, .quote-form textarea:focus { border-color: var(--c); outline: none; }
.quote-form button { margin-top: 24px; align-self: flex-start; }
.quote-form-context { background: var(--c-soft); padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13.5px; margin-bottom: 4px; }
.quote-success { background: var(--c-soft); border-left: 4px solid var(--c); padding: 20px; border-radius: var(--radius-sm); }
.quote-error { background: var(--m-soft); border-left: 4px solid var(--m); padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 16px; }

@media (max-width: 860px) {
  .products-layout { grid-template-columns: 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* =========================================================
   Faz 3 — Hizmetler / Hakkımızda / İletişim (statik sayfalar)
   ========================================================= */
.static-page-hero { padding: 72px 0 40px; }
.static-page-hero h1 { font-size: clamp(28px, 3.6vw, 42px); margin-bottom: 14px; }
.static-page-sub { color: var(--ink-soft); font-size: 16px; max-width: 56ch; }

.hizmet-quicknav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hizmet-quicknav a {
  font-family: var(--font-mono); font-size: 12.5px; padding: 9px 16px;
  border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.hizmet-quicknav a:hover { border-color: var(--ink); color: var(--ink); background: var(--surface-alt); }

.hizmet-list { padding: 16px 0 96px; }
.hizmet-list-in { display: flex; flex-direction: column; gap: 22px; }
.hizmet-block {
  position: relative;
  display: flex; gap: 28px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 38px 44px; overflow: hidden;
  scroll-margin-top: 24px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.hizmet-block:hover { transform: translateY(-4px); box-shadow: 0 20px 44px -26px rgba(19, 18, 23, .3); border-color: var(--ink-faint); }
.hizmet-index {
  position: absolute; top: 4px; right: 32px; z-index: 0;
  font-family: var(--font-display); font-weight: 700; font-size: 72px; line-height: 1;
  color: var(--surface-alt); user-select: none; pointer-events: none;
}
.hizmet-block .icon-swatch { position: relative; z-index: 1; margin-bottom: 0; flex: none; width: 56px; height: 56px; font-size: 18px; }
.hizmet-block-body { position: relative; z-index: 1; flex: 1; min-width: 0; }
.hizmet-block h2 { font-size: 21px; margin-bottom: 10px; }
.hizmet-block-desc { color: var(--ink-soft); max-width: 62ch; margin-bottom: 22px; line-height: 1.7; }
.hizmet-features {
  list-style: none; margin: 0 0 24px; padding: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 28px;
}
.hizmet-features li { position: relative; padding-left: 18px; font-size: 14px; color: var(--ink-soft); line-height: 1.5; }
.hizmet-features li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--c);
}
:is(.hizmet-block):nth-of-type(4n+1) .hizmet-features li::before { background: var(--c); }
:is(.hizmet-block):nth-of-type(4n+2) .hizmet-features li::before { background: var(--m); }
:is(.hizmet-block):nth-of-type(4n+3) .hizmet-features li::before { background: var(--y); }
:is(.hizmet-block):nth-of-type(4n+4) .hizmet-features li::before { background: var(--k); }

.iletisim-page { padding: 16px 0 96px; }
.iletisim-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; }
.iletisim-info { display: flex; flex-direction: column; gap: 22px; }
.iletisim-info-item { display: flex; gap: 16px; align-items: flex-start; }
.iletisim-info-item .icon-swatch { margin-bottom: 0; flex: none; width: 40px; height: 40px; font-size: 12px; }
.iletisim-info-item strong { display: block; font-size: 14px; margin-bottom: 2px; }
.iletisim-info-item p { color: var(--ink-soft); font-size: 14.5px; }
.iletisim-form-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; }

@media (max-width: 860px) {
  .iletisim-grid { grid-template-columns: 1fr; }
  .hizmet-block { flex-direction: column; padding: 30px 26px; }
  .hizmet-index { font-size: 52px; top: 2px; right: 22px; }
  .hizmet-features { grid-template-columns: 1fr; }
}

/* =========================================================
   Kataloglar — PDF kataloglar, kapak önizlemesi + sayfa
   çevirme (flip) görüntüleyici. Ses efekti YOK — sadece CSS
   3D transform ile gerçek bir "sayfa çevirme" animasyonu.
   ========================================================= */
.kataloglar-section { padding: 16px 0 96px; }
.kataloglar-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px; }
.katalog-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 20px; text-align: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.katalog-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px -24px rgba(19, 18, 23, .28); border-color: var(--ink-faint); }
.katalog-card-cover {
  position: relative; height: 280px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-alt); border-radius: var(--radius-md); overflow: hidden; cursor: pointer;
}
.katalog-cover-canvas { max-width: 100%; max-height: 100%; box-shadow: 0 6px 20px -10px rgba(19, 18, 23, .35); opacity: 0; transition: opacity .3s ease; }
.katalog-card-cover.is-loaded .katalog-cover-canvas { opacity: 1; }
.katalog-card-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.katalog-card-cover.is-loaded .katalog-card-loading { display: none; }
.katalog-card h3 { font-size: 16px; margin-bottom: 16px; }

.katalog-spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 3px solid var(--line); border-top-color: var(--c);
  animation: katalogSpin .8s linear infinite;
}
@keyframes katalogSpin { to { transform: rotate(360deg); } }

.katalog-viewer {
  position: fixed; inset: 0; z-index: 300;
  background: radial-gradient(ellipse at 50% 38%, rgba(42, 40, 49, .97) 0%, rgba(12, 11, 15, .98) 78%);
  display: flex; flex-direction: column;
  transform: translateY(100%); opacity: 0; visibility: hidden; pointer-events: none;
  transition: transform .38s cubic-bezier(.22, .61, .36, 1), opacity .3s ease, visibility 0s linear .38s;
}
.katalog-viewer.is-open {
  transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto;
  transition: transform .38s cubic-bezier(.22, .61, .36, 1), opacity .3s ease, visibility 0s linear 0s;
}
.katalog-viewer-handle {
  width: 40px; height: 4px; border-radius: 999px; background: rgba(255, 255, 255, .3);
  margin: 10px auto 0; flex: none;
}
body.katalog-viewer-open { overflow: hidden; }

.katalog-viewer-top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 26px; color: var(--paper); font-family: var(--font-mono); font-size: 13px; flex: none;
}
.katalog-viewer-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.katalog-viewer-page { color: rgba(255, 255, 255, .55); flex: none; }
.katalog-viewer-close {
  background: none; border: none; color: var(--paper); font-size: 30px; line-height: 1;
  cursor: pointer; padding: 0 6px; flex: none;
}
.katalog-viewer-close:hover { color: var(--m); }

.katalog-flip-stage {
  position: relative; flex: 1; margin: 0 auto; width: 100%; max-width: 1180px; perspective: 2600px;
  animation: katalogStageIn .55s cubic-bezier(.22, .61, .36, 1) .08s both;
}
@keyframes katalogStageIn {
  from { opacity: 0; transform: scale(.93) translateY(16px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.katalog-flip-static, .katalog-flip-page {
  position: absolute; inset: 0 60px 28px; display: flex; align-items: center; justify-content: center;
}
.katalog-flip-page { transform-style: preserve-3d; transition: transform .7s cubic-bezier(.45, .05, .18, 1); z-index: 1; }
.katalog-flip-face {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  backface-visibility: hidden;
}
.katalog-flip-back { transform: rotateY(180deg); }
.katalog-flip-page.is-flipping-next { transform: rotateY(-180deg); }
.katalog-flip-page.is-flipping-prev { transform: rotateY(180deg); }
.katalog-flip-static canvas, .katalog-flip-face canvas {
  max-width: 100%; max-height: 100%; border-radius: 3px; background: #fff;
  box-shadow: 0 30px 90px -20px rgba(0, 0, 0, .75), 0 8px 24px -8px rgba(0, 0, 0, .5);
}
/* Sayfa çevrilirken üzerinden geçen ışık/gölge süpürmesi — gerçek kağıdın kıvrılıp
   ışığı yakalaması hissini veren, sadece CSS opacity geçişiyle oluşturulan katman. */
.katalog-flip-page::after {
  content: "";
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(90deg, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, 0) 32%, rgba(0, 0, 0, 0) 68%, rgba(0, 0, 0, .55) 100%);
  opacity: 0;
  transition: opacity .3s ease;
}
.katalog-flip-page.is-flipping-next::after,
.katalog-flip-page.is-flipping-prev::after { opacity: 1; }
/* Kitabın altına düşen yumuşak temas gölgesi — sahneye derinlik katıyor. */
.katalog-flip-stage::before {
  content: "";
  position: absolute; left: 12%; right: 12%; bottom: 4px; height: 44px; z-index: 0;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, .5) 0%, rgba(0, 0, 0, 0) 72%);
  filter: blur(4px);
  pointer-events: none;
}

.katalog-viewer-loading {
  position: absolute; inset: 0; display: none; align-items: center; justify-content: center;
}
.katalog-viewer-loading.is-visible { display: flex; }
.katalog-viewer-loading .katalog-spinner { border-color: rgba(255, 255, 255, .2); border-top-color: var(--c); width: 34px; height: 34px; }

.katalog-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .07); color: var(--paper);
  font-size: 20px; display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background .2s ease, border-color .2s ease, opacity .2s ease;
}
.katalog-nav:hover:not(:disabled) { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .45); }
.katalog-nav:disabled { opacity: .25; cursor: default; }
.katalog-nav-prev { left: 16px; }
.katalog-nav-next { right: 16px; }

@media (max-width: 640px) {
  .katalog-card-cover { height: 220px; }
  .katalog-viewer-top { padding: 14px 16px; font-size: 11.5px; }
  .katalog-flip-static, .katalog-flip-page { inset: 0 50px 18px; }
  .katalog-nav { width: 42px; height: 42px; font-size: 16px; }
  .katalog-nav-prev { left: 6px; }
  .katalog-nav-next { right: 6px; }
}

/* =========================================================
   Kendi Ürünlerimiz — promosyon kataloğundan görsel olarak
   ayrışan rozet + gerçek fiyat gösterimi (Etkin ürünlerinden
   bilinçli fark: kullanıcı kararıyla fiyat burada gösteriliyor)
   ========================================================= */
.product-card { position: relative; }
.product-card-badge {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  background: var(--ink); color: var(--paper);
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px; letter-spacing: .02em;
}
.product-card-price { font-family: var(--font-display); font-weight: 600; font-size: 15px; margin: -6px 0 10px; }

.product-detail-gallery { position: relative; }
.product-detail-badge { top: 0; left: 0; }
.product-detail-price { font-family: var(--font-display); font-size: 26px; font-weight: 600; margin-bottom: 16px; }
.product-detail-meta { font-size: 14.5px; color: var(--ink-soft); margin: 0; }
.product-detail-features { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 14.5px; line-height: 1.9; }
.product-detail-features li::marker { color: var(--c); }

.product-detail-3d { margin-top: 20px; }
.product-detail-3d-label { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); margin-bottom: 8px; }