/* ============================================================
   Yerlikaya PVC — Shared Design System
   Design: "Industrial Comfort" by Google Stitch
   Font: Manrope | Primary: #a43c1f | Secondary: #296195
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --primary:            #a43c1f;
  --primary-hover:      #8c3319;
  --primary-light:      #ffdbd1;
  --secondary:          #296195;
  --surface:            #fbf9f8;
  --surface-low:        #f6f3f2;
  --surface-container:  #f0eded;
  --surface-high:       #eae8e7;
  --inverse-surface:    #303030;
  --on-surface:         #1b1c1c;
  --on-surface-v:       #57423c;
  --outline:            #8b716b;
  --outline-v:          #dec0b8;
  --white:              #ffffff;

  --r-sm:   0.25rem;
  --r:      0.5rem;
  --r-md:   0.75rem;
  --r-lg:   1rem;
  --r-xl:   1.5rem;
  --r-full: 9999px;

  --container: 1280px;
  --gutter:    24px;
  --mx:        32px;
  --section:   80px;

  --shadow-soft: 0 10px 30px rgba(0,0,0,.05);
  --shadow-md:   0  4px 20px rgba(0,0,0,.10);
  --shadow-lg:   0  8px 32px rgba(0,0,0,.14);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Manrope', sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--mx);
}
.section { padding: var(--section) 0; }
.section-sm { padding: 48px 0; }

/* ── Typography ─────────────────────────────────────────────── */
.display-lg  { font-size: 48px;  font-weight: 700; line-height: 1.2; }
.headline-md { font-size: 36px;  font-weight: 600; line-height: 1.3; }
.headline-sm { font-size: 24px;  font-weight: 600; line-height: 1.4; }
.body-lg     { font-size: 18px;  font-weight: 400; line-height: 1.6; }
.body-md     { font-size: 16px;  font-weight: 400; line-height: 1.6; }
.label-bold  { font-size: 14px;  font-weight: 700; letter-spacing: .05em; line-height: 1.2; }
.label-sm    { font-size: 12px;  font-weight: 500; line-height: 1.2; }
.text-primary   { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-muted     { color: var(--on-surface-v); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--r-full);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--on-surface);
  border: 1.5px solid var(--outline);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }

/* ── Chip / Badge ────────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.chip-pink   { background: #fce8e3; color: var(--primary); }
.chip-blue   { background: #dceeff; color: var(--secondary); }
.chip-dark   { background: rgba(255,255,255,.12); color: var(--white); }
.chip-outline { background: transparent; border: 1.5px solid var(--on-surface); color: var(--on-surface); }

/* ── Cards ────────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.card-body { padding: 28px; }

/* ── Icon Box ─────────────────────────────────────────────────── */
.icon-box {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.icon-box-pink { background: #fce8e3; }
.icon-box-blue { background: #dceeff; }
.icon-box-gray { background: var(--surface-high); }

/* ── Forms ────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
}
.form-label .req { color: var(--primary); }
.form-input, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--outline-v);
  border-radius: var(--r-md);
  background: var(--white);
  font-size: 15px;
  color: var(--on-surface);
  transition: border-color .2s;
  outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--primary);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--outline);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Top Bar ──────────────────────────────────────────────────── */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--surface-high);
  padding: 8px 0;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 24px;
}
.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface-v);
}
.topbar-item svg { flex-shrink: 0; }
.topbar-item a { color: inherit; }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.social-btn {
  width: 30px; height: 30px;
  border-radius: var(--r-full);
  background: var(--surface-container);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.social-btn:hover { background: var(--outline-v); }

/* ── Header / Navbar ──────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--surface-high);
  padding: 0;
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-logo img { height: 38px; width: auto; }
.nav-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--surface-container);
  border-radius: var(--r-full);
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--on-surface-v);
}
.nav-phone {
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface-v);
  line-height: 1.2;
  flex-shrink: 0;
}
.nav-phone small { font-weight: 400; font-size: 11px; display: block; color: var(--outline); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface-v);
  border-radius: var(--r);
  transition: color .2s;
  position: relative;
}
.nav-link:hover { color: var(--on-surface); }
.nav-link.active {
  color: var(--primary);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 14px; right: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-cta { flex-shrink: 0; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--on-surface);
  border-radius: 2px;
  transition: all .3s;
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--surface-high);
  padding: 16px var(--mx);
  flex-direction: column;
  gap: 4px;
  z-index: 99;
  box-shadow: var(--shadow-lg);
}
.nav-mobile.open { display: flex; }
.nav-mobile .nav-link { padding: 12px 16px; }
.nav-mobile .btn-primary { margin-top: 8px; justify-content: center; }

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  background: var(--inverse-surface);
  color: rgba(255,255,255,.75);
  padding: 48px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 24px;
}
.footer-brand img { filter: brightness(0) invert(1); height: 34px; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,.55); max-width: 320px; line-height: 1.6; }
.footer-info { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.footer-info-item {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; color: rgba(255,255,255,.6);
}
.footer-links { display: flex; gap: 48px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col-title { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 4px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.65); transition: color .2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,.35);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,.35); transition: color .2s; }
.footer-bottom-links a:hover { color: rgba(255,255,255,.65); }
.footer-socials { display: flex; gap: 10px; }
.footer-social-btn {
  width: 34px; height: 34px;
  border-radius: var(--r-full);
  background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.footer-social-btn:hover { background: rgba(255,255,255,.2); }
.footer-social-btn svg { color: rgba(255,255,255,.7); }

/* ── Stat Badge (floating overlay) ───────────────────────────── */
.stat-badge {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-radius: var(--r-lg);
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 10px;
}
.stat-badge-number { font-size: 24px; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-badge-label  { font-size: 12px; font-weight: 600; color: var(--on-surface-v); }

/* ── Hero (reusable) ──────────────────────────────────────────── */
.hero {
  padding: 72px 0;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-content { display: flex; flex-direction: column; align-items: flex-start; gap: 24px; }
.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--on-surface);
}
.hero-title .highlight { color: var(--primary); }
.hero-title .highlight-blue { color: var(--secondary); }
.hero-desc { font-size: 17px; color: var(--on-surface-v); line-height: 1.7; max-width: 460px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-image {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
}
.hero-image img {
  width: 100%; height: 440px;
  object-fit: cover;
  border-radius: var(--r-xl);
}
.hero-badge-overlay {
  position: absolute;
  bottom: 24px; right: 24px;
}

/* ── Section Header ───────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 36px; font-weight: 600; margin-bottom: 12px; }
.section-header p  { font-size: 16px; color: var(--on-surface-v); max-width: 560px; margin: 0 auto; }

/* ── Feature Cards ────────────────────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--white);
  border: 1.5px solid var(--surface-high);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 16px;
  transition: box-shadow .2s, border-color .2s;
}
.feature-card:hover {
  box-shadow: var(--shadow-soft);
  border-color: var(--outline-v);
}
.feature-card h3 { font-size: 19px; font-weight: 600; }
.feature-card p  { font-size: 14px; color: var(--on-surface-v); line-height: 1.6; }

/* ── CTA Section ──────────────────────────────────────────────── */
.cta-section {
  background: var(--surface-container);
  border-radius: var(--r-xl);
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
  padding: 56px;
}
.cta-benefits { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.cta-benefit {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 600; color: var(--on-surface-v);
}
.cta-benefit svg { color: var(--primary); flex-shrink: 0; }

/* ── Dark Section ─────────────────────────────────────────────── */
.dark-section {
  background: var(--inverse-surface);
  color: var(--white);
  border-radius: var(--r-xl);
}
.dark-section h2, .dark-section h3 { color: var(--white); }
.dark-section p { color: rgba(255,255,255,.7); }
.dark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 56px;
}
.dark-benefits { display: flex; flex-direction: column; gap: 14px; margin-top: 12px; }
.dark-benefit {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: rgba(255,255,255,.75);
}
.dark-star { color: #f59e0b; flex-shrink: 0; margin-top: 2px; }

/* ── FAQ Accordion ────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 0; border: 1.5px solid var(--outline-v); border-radius: var(--r-lg); overflow: hidden; }
.faq-item { border-bottom: 1px solid var(--outline-v); }
.faq-item:last-child { border-bottom: none; }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px; font-weight: 600;
  cursor: pointer;
  background: var(--white);
  transition: background .2s;
}
.faq-question:hover { background: var(--surface-low); }
.faq-chevron {
  width: 20px; height: 20px;
  border-radius: var(--r-full);
  background: var(--surface-container);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform .3s;
}
.faq-item.open .faq-chevron { transform: rotate(180deg); background: var(--primary); }
.faq-item.open .faq-chevron svg { color: var(--white); }
.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--on-surface-v);
  line-height: 1.7;
  background: var(--white);
}
.faq-item.open .faq-answer { display: block; }

/* ── Image Grid ───────────────────────────────────────────────── */
.img-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  border-radius: var(--r-xl);
  overflow: hidden;
}
.img-grid-2x2 img {
  width: 100%; height: 200px;
  object-fit: cover;
  border-radius: var(--r-md);
}
.img-grid-special {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 12px;
}
.img-grid-special img { border-radius: var(--r-md); width: 100%; object-fit: cover; }
.img-grid-special .tall { height: 200px; }
.img-grid-special .blue-card {
  background: var(--secondary);
  border-radius: var(--r-lg);
  padding: 24px;
  color: var(--white);
  display: flex; flex-direction: column; justify-content: flex-end;
  height: 200px;
}
.img-grid-special .blue-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.img-grid-special .blue-card p  { font-size: 13px; opacity: .8; }

/* ── Value Cards ──────────────────────────────────────────────── */
.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.value-card {
  background: var(--white);
  border: 1.5px solid var(--surface-high);
  border-radius: var(--r-lg);
  padding: 36px 32px;
}
.value-card h3 { font-size: 22px; font-weight: 700; margin: 16px 0 12px; }
.value-card p  { font-size: 15px; color: var(--on-surface-v); line-height: 1.7; }

/* ── Projects Grid ────────────────────────────────────────────── */
.projects-hero {
  background: var(--inverse-surface);
  padding: 72px 0;
  text-align: center;
}
.projects-hero h1 { color: var(--white); font-size: 48px; font-weight: 700; margin-bottom: 16px; }
.projects-hero p  { color: rgba(255,255,255,.65); font-size: 17px; max-width: 520px; margin: 0 auto; }

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.filter-btn {
  padding: 10px 22px;
  border-radius: var(--r-full);
  font-size: 14px;
  font-weight: 600;
  border: 1.5px solid var(--outline-v);
  background: var(--white);
  color: var(--on-surface-v);
  cursor: pointer;
  transition: all .2s;
}
.filter-btn:hover    { border-color: var(--primary); color: var(--primary); }
.filter-btn.active   { background: var(--primary); color: var(--white); border-color: var(--primary); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}
.project-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
}
.project-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.project-card:hover img { transform: scale(1.04); }
.project-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.65) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px;
}
.project-card-overlay h3 { color: var(--white); font-size: 18px; font-weight: 700; margin-top: 6px; }
.project-card-overlay p  { color: rgba(255,255,255,.75); font-size: 13px; margin-top: 4px; }
.project-card.large { grid-column: span 2; height: 420px; }
.project-card.medium { height: 420px; }
.project-card.small  { height: 280px; }
.project-card.cta-card {
  background: var(--surface-low);
  border: 1.5px solid var(--outline-v);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px; text-align: center;
  padding: 32px; height: 280px;
}
.project-card.cta-card .cta-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-full);
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
}
.project-card.cta-card h3 { font-size: 18px; font-weight: 700; color: var(--on-surface); }
.project-card.cta-card p  { font-size: 13px; color: var(--on-surface-v); }
.project-card.cta-card .cta-link { font-size: 14px; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 4px; }

/* ── Referanslar ──────────────────────────────────────────────── */
.logos-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1.5px solid var(--outline-v);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.logo-item {
  display: flex; align-items: center; justify-content: center;
  padding: 32px 24px;
  border-right: 1px solid var(--outline-v);
  border-bottom: 1px solid var(--outline-v);
  font-size: 15px; font-weight: 700;
  letter-spacing: .06em;
  color: var(--outline);
  text-transform: uppercase;
  background: var(--white);
  transition: color .2s, background .2s;
}
.logo-item:hover { color: var(--on-surface); background: var(--surface-low); }
.logo-item:nth-child(5n) { border-right: none; }
.logo-item:nth-last-child(-n+5) { border-bottom: none; }

.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--white);
  border: 1.5px solid var(--surface-high);
  border-radius: var(--r-lg);
  padding: 28px;
}
.testimonial-stars { display: flex; gap: 3px; margin-bottom: 14px; }
.testimonial-stars svg { color: #f59e0b; }
.testimonial-quote { font-style: italic; font-size: 15px; color: var(--on-surface-v); line-height: 1.7; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: var(--r-full);
  background: var(--surface-container);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: var(--on-surface-v);
  flex-shrink: 0;
}
.testimonial-name  { font-size: 14px; font-weight: 700; }
.testimonial-title { font-size: 12px; color: var(--on-surface-v); }

/* ── İletişim ─────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
}
.contact-info-cards { display: flex; flex-direction: column; gap: 16px; }
.contact-info-card {
  background: var(--white);
  border: 1.5px solid var(--surface-high);
  border-radius: var(--r-lg);
  padding: 24px;
  display: flex; align-items: flex-start; gap: 14px;
}
.contact-map {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-container);
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  margin-top: 16px;
}
.contact-map img { width: 100%; height: 100%; object-fit: cover; }
.contact-map-label {
  position: absolute;
  bottom: 16px; left: 16px;
  background: var(--white);
  border-radius: var(--r-full);
  padding: 8px 16px;
  font-size: 13px; font-weight: 700;
  box-shadow: var(--shadow-md);
}
.contact-form-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--shadow-soft);
  border: 1.5px solid var(--surface-high);
}
.contact-form-card h2 { font-size: 26px; font-weight: 700; margin-bottom: 28px; }
.contact-form-fields { display: flex; flex-direction: column; gap: 20px; }
.upload-area {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 8px; margin-top: 8px;
}
.upload-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; background: var(--surface-container);
  border-radius: var(--r-full); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: background .2s;
  border: 1px solid var(--outline-v);
}
.upload-btn:hover { background: var(--surface-high); }
.kvkk-row {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--on-surface-v);
}
.kvkk-row input[type=checkbox] { margin-top: 2px; accent-color: var(--primary); }
.kvkk-row a { color: var(--secondary); text-decoration: underline; }
.form-hint { font-size: 12px; color: var(--outline); }

/* ── Kurumsal page specifics ──────────────────────────────────── */
.about-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* ── Kılavuz page specifics ───────────────────────────────────── */
.guide-criteria-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.guide-criteria-card {
  background: var(--white);
  border: 1.5px solid var(--surface-high);
  border-radius: var(--r-lg);
  padding: 28px;
}
.guide-criteria-card h3 { font-size: 18px; font-weight: 700; margin: 12px 0 10px; }
.guide-criteria-card p  { font-size: 14px; color: var(--on-surface-v); line-height: 1.7; }
.guide-criteria-card img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--r-md); margin-top: 16px; }
.guide-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.guide-list-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--on-surface-v); }
.guide-list-item svg { color: var(--primary); flex-shrink: 0; }
.guide-criteria-card.full { grid-column: span 2; }
.guide-placeholder {
  background: var(--surface-container);
  border-radius: var(--r-md);
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  margin-top: 16px;
  flex-direction: column; gap: 8px;
  color: var(--outline);
  font-size: 13px; font-weight: 600;
}

/* ── CTA Banner ───────────────────────────────────────────────── */
.cta-banner {
  background: var(--surface-container);
  border-radius: var(--r-xl);
  padding: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.cta-banner h2 { font-size: 30px; font-weight: 700; margin-bottom: 10px; }
.cta-banner p  { font-size: 15px; color: var(--on-surface-v); max-width: 440px; }
.cta-banner .btn { flex-shrink: 0; }

/* ── Utilities ────────────────────────────────────────────────── */
.mt-4  { margin-top:  16px; }
.mt-6  { margin-top:  24px; }
.mt-8  { margin-top:  32px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.mb-8  { margin-bottom: 32px; }
.text-center { text-align: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-col    { display: flex; flex-direction: column; }
.gap-2 { gap: 8px;  }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.show-more-btn {
  display: flex; align-items: center; justify-content: center;
  margin: 32px auto 0;
  padding: 14px 36px;
  border-radius: var(--r-full);
  border: 1.5px solid var(--on-surface);
  font-size: 15px; font-weight: 700;
  background: transparent; color: var(--on-surface);
  gap: 8px; cursor: pointer; transition: all .2s;
}
.show-more-btn:hover { background: var(--on-surface); color: var(--white); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-grid         { grid-template-columns: 1fr; gap: 40px; }
  .hero-image img    { height: 360px; }
  .features-grid     { grid-template-columns: 1fr 1fr; }
  .cta-grid          { grid-template-columns: 1fr; padding: 40px; }
  .dark-grid         { grid-template-columns: 1fr; padding: 40px; }
  .about-content-grid{ grid-template-columns: 1fr; }
  .contact-grid      { grid-template-columns: 1fr; }
  .projects-grid     { grid-template-columns: 1fr 1fr; }
  .project-card.large{ grid-column: span 2; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .logos-grid        { grid-template-columns: repeat(3, 1fr); }
  .footer-inner      { grid-template-columns: 1fr; gap: 32px; }
  .footer-links      { flex-wrap: wrap; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --mx: 16px; --section: 56px; }
  .display-lg  { font-size: 34px; }
  .headline-md { font-size: 26px; }
  .hero-title  { font-size: 32px; }
  .topbar      { display: none; }
  .nav-badge, .nav-phone { display: none; }
  .nav-links   { display: none; }
  .nav-cta     { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .guide-criteria-grid { grid-template-columns: 1fr; }
  .guide-criteria-card.full { grid-column: span 1; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.large  { grid-column: span 1; height: 280px; }
  .project-card.medium { height: 240px; }
  .value-grid  { grid-template-columns: 1fr; }
  .cta-banner  { flex-direction: column; padding: 32px; }
  .logos-grid  { grid-template-columns: repeat(2, 1fr); }
  .form-row    { grid-template-columns: 1fr; }
  .contact-form-card { padding: 24px; }
}