:root {
  --primary: #3174f1;
  --primary-dark: #0f58e0;
  --dark: #212529;
  --text: #343a40;
  --muted: #6c757d;
  --light: #f8f9fa;
  --line: #e5e8eb;
  --white: #fff;
  --container: 1140px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: #fff; font: 400 15px/1.75 "Poppins", Arial, sans-serif; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(calc(100% - 30px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 9999; top: 8px; left: 8px; transform: translateY(-150%); padding: 9px 14px; color: #fff; background: var(--primary); }
.skip-link:focus { transform: none; }

/* Header: anasayfadaki 90px beyaz navigasyon yapısı */
.site-header { position: fixed; z-index: 1000; inset: 0 0 auto; height: 90px; color: var(--text); background: rgba(255,255,255,.98); border-bottom: 1px solid rgba(0,0,0,.08); box-shadow: 0 .125rem .25rem rgba(0,0,0,.075); transition: box-shadow .45s ease; }
.site-header.scrolled { box-shadow: 0 .35rem 1rem rgba(0,0,0,.11); }
.header-inner { height: 90px; display: flex; align-items: center; gap: 18px; }
.brand { flex: 0 0 205px; }
.brand img { width: 165px; }
.main-nav { display: flex; align-items: stretch; gap: 20px; margin-left: auto; }
.main-nav a { position: relative; display: flex; align-items: center; min-height: 90px; color: var(--text); font-size: .8rem; font-weight: 600; text-transform: uppercase; transition: color .38s ease; }
.main-nav a::after { content: ""; position: absolute; right: 0; bottom: 22px; left: 0; height: 2px; background: var(--primary); transform: scaleX(0); transform-origin: center; transition: transform .42s cubic-bezier(.22,.61,.36,1); }
.main-nav a:hover, .main-nav a.active { color: var(--primary); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 13px; padding-left: 16px; border-left: 1px solid rgba(0,0,0,.1); }
.language { font-size: .82rem; font-weight: 600; }
.header-phone { display: grid; place-items: center; width: 30px; height: 30px; }
.header-phone svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 47px; padding: 0 29px; color: #fff; background: var(--primary); border: 1px solid var(--primary); border-radius: 0; font-weight: 600; transition: color .38s ease, background-color .38s ease, border-color .38s ease, box-shadow .38s ease; }
.button:hover { color: #fff; background: var(--primary-dark); border-color: var(--primary-dark); }
.button-small { min-height: 40px; padding-inline: 18px; font-size: .78rem; }
.button-white { color: var(--primary); background: #fff; border-color: #fff; }
.button-white:hover { color: var(--primary-dark); background: #fff; border-color: #fff; }
.menu-toggle { display: none; width: 42px; height: 42px; margin-left: auto; padding: 9px; color: inherit; border: 0; background: none; }
.menu-toggle span:not(.sr-only) { display: block; width: 23px; height: 2px; margin: 5px auto; background: currentColor; transition: .25s ease; }

/* İç sayfa banner: canlı temadaki page-banner oranı */
.hero { position: relative; height: 300px; margin-top: 0; display: flex; align-items: center; overflow: hidden; color: #fff; background: #222; }
.hero-media { position: absolute; inset: 0; background: linear-gradient(rgba(0,0,0,.68), rgba(0,0,0,.68)), url("../img/kurumsal-web-sitesi.jpg") center 37%/cover no-repeat; }
.hero-content { position: relative; z-index: 1; }
.hero h1 { margin: 0 0 13px; color: #f2f4f6; font-size: 2.75rem; line-height: 1.2; font-weight: 700; }
.breadcrumb { display: flex; align-items: center; gap: 10px; color: #ced4da; font-size: .8rem; }
.breadcrumb::before { content: ""; width: 50px; height: 2px; margin-right: 2px; background: var(--primary); }
.breadcrumb a { color: #f1f3f5; }
.breadcrumb a:hover { color: var(--primary); }

.section { padding: 60px 0; }
.story.section { padding: 60px 0 50px; background: #ffffff; }
.section-soft { background: #f8fafc; }
.values.section { padding: 65px 0; background: #ffffff; }
.vision.section { padding: 65px 0; background: #f8fafc; border-top: 1px solid #f1f5f9; border-bottom: 1px solid #f1f5f9; }
.method.section { padding: 65px 0 75px; background: #ffffff; }
.eyebrow { margin: 0 0 8px; color: var(--primary); font-size: 1.15rem; font-weight: 700; }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 55px; }
.story-copy { order: -1; padding-right: 5px; }
.story-copy h2, .section-heading h2, .vision-copy h2, .method-heading h2, .cta-card h2 { margin: 0; color: var(--text); font-size: 2rem; line-height: 1.35; font-weight: 600; }
.title-line { width: 54px; height: 2px; margin: 22px 0; background: var(--dark); }
.story-copy > p:not(.eyebrow) { margin: 0 0 16px; color: var(--muted); line-height: 1.8; }
.story-actions { display: flex; align-items: center; gap: 25px; margin-top: 28px; }
.story-phone { color: var(--text); font-weight: 600; transition: color .35s ease; }
.story-phone:hover { color: var(--primary); }
.story-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}
.image-frame {
  position: relative;
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
  overflow: visible !important;
  background: transparent !important;
  border-radius: 0 !important;
}
.image-frame img {
  width: 100% !important;
  height: auto !important;
  max-width: 100% !important;
  max-height: none !important;
  object-fit: contain !important;
  display: block !important;
  margin: 0 auto;
}
.experience-card {
  position: absolute;
  right: 0px;
  bottom: -15px;
  width: 215px;
  padding: 18px 22px;
  color: #fff;
  background: var(--primary, #3174f1);
  box-shadow: 0 10px 25px rgba(49, 116, 241, 0.35);
  border-radius: 6px;
  z-index: 5;
}
.experience-card strong, .experience-card span { display: block; }
.experience-card strong { font-size: 1.15rem; font-weight: 700; line-height: 1.2; }
.experience-card span { margin-top: 4px; color: rgba(255, 255, 255, 0.88); font-size: 0.78rem; line-height: 1.35; }
.visual-dots, .signature-row { display: none; }

/* Anasayfadaki açık gri servis kutularına paralel sayı bandı */
.stats { padding: 40px 0; background: #f8fafc; border-top: 1px solid #f1f5f9; border-bottom: 1px solid #f1f5f9; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stats article { min-height: 135px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: #fff; border: 1px solid rgba(255,255,255,.25); box-shadow: 0 .125rem .25rem rgba(0,0,0,.075); text-align: center; transition: transform .5s cubic-bezier(.22,.61,.36,1), box-shadow .5s ease, border-color .5s ease; }
.stats article:hover { border-color: rgba(49,116,241,.12); box-shadow: 0 .35rem .9rem rgba(0,0,0,.1); transform: translateY(-1px); }
.stats strong { color: var(--primary); font-size: 2rem; line-height: 1.25; }
.stats span { color: var(--muted); font-size: .82rem; }

.section-heading { max-width: 760px; margin: 0 auto 42px; text-align: center; }
.section-heading .eyebrow { font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; }
.section-heading h2::after { content: ""; display: block; width: 58px; height: 2px; margin: 20px auto; background: var(--primary); }
.section-heading > p:last-child { margin-bottom: 0; color: var(--muted); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.value-card { position: relative; min-height: 285px; padding: 42px 22px 28px; background: #fff; border: 1px solid rgba(255,255,255,.25); box-shadow: 0 .125rem .25rem rgba(0,0,0,.075); text-align: center; transition: transform .55s cubic-bezier(.22,.61,.36,1), box-shadow .55s ease, border-color .55s ease; }
.value-card:hover { border-color: rgba(49,116,241,.14); box-shadow: 0 .4rem 1rem rgba(0,0,0,.105); transform: translateY(-2px); }
.value-number { display: none; }
.value-icon { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 20px; color: var(--primary); }
.value-icon svg { width: 46px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.value-card h3 { margin: 0 0 13px; color: var(--text); font-size: .95rem; font-weight: 600; text-transform: uppercase; }
.value-card p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.7; }

/* Anasayfadaki work-process bölümünün ritmi */
.vision { background: #fff; }
.vision-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 55px; }
.vision-image { order: -1; position: relative; overflow: hidden; }
.vision-image img { width: 100%; height: 410px; object-fit: cover; }
.vision-badge { position: absolute; right: 0; bottom: 0; display: flex; align-items: center; gap: 13px; padding: 17px 22px; color: #fff; background: rgba(49,116,241,.92); }
.vision-badge strong { padding-right: 13px; border-right: 1px solid rgba(255,255,255,.55); font-size: 1.55rem; }
.vision-badge span { max-width: 82px; font-size: .7rem; line-height: 1.35; }
.vision-copy .eyebrow { font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; }
.vision-copy h2 { font-size: 2rem; }
.vision-copy > p:not(.eyebrow) { color: var(--muted); }
.vision-points { margin-top: 26px; }
.vision-points article { position: relative; padding: 18px 0 18px 72px; border-top: 1px solid var(--line); }
.vision-points article:last-child { border-bottom: 1px solid var(--line); }
.vision-points article::before { content: "✓"; position: absolute; top: 22px; left: 16px; display: grid; place-items: center; width: 35px; height: 35px; color: var(--primary); border: 1px solid var(--primary); border-radius: 50%; font-weight: 700; }
.vision-points span { color: var(--text); font-weight: 600; }
.vision-points p { margin: 3px 0 0; color: var(--muted); font-size: .82rem; }

.method { color: var(--text); background: var(--light); }
.method::before { display: none; }
.method-heading { display: block; max-width: 760px; margin: 0 auto 48px; text-align: center; }
.method-heading .eyebrow { font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; }
.method-heading h2::after { content: ""; display: block; width: 58px; height: 2px; margin: 20px auto; background: var(--primary); }
.method-heading > p { color: var(--muted); }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.method-grid article { position: relative; padding: 0 28px; text-align: center; }
.method-grid article:not(:last-child)::after { content: ""; position: absolute; top: 28px; right: -20%; width: 40%; height: 1px; background: #cfd5db; }
.method-grid span { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 20px; color: #fff; background: var(--primary); border-radius: 50%; font-size: .78rem; font-weight: 700; }
.method-grid h3 { margin: 0 0 10px; color: var(--text); font-size: 1rem; font-weight: 600; }
.method-grid p { margin: 0; color: var(--muted); font-size: .8rem; }

.cta { padding: 0; color: #fff; background: var(--primary); }
.cta-card { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 55px; min-height: 235px; padding-block: 42px; }
.cta-card .eyebrow { color: #fff; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
.cta-card h2 { color: #fff; font-size: 2.15rem; }
.cta-card p:not(.eyebrow) { margin-bottom: 0; color: rgba(255,255,255,.82); }
.cta-actions { display: flex; align-items: center; gap: 24px; }
.cta-phone { display: flex; flex-direction: column; white-space: nowrap; color: #fff; font-weight: 600; }
.cta-phone span { color: rgba(255,255,255,.76); font-size: .7rem; font-weight: 400; letter-spacing: .08em; text-transform: uppercase; }

/* Footer: anasayfadaki koyu kurumsal kapanış */
.site-footer { color: #c4cad2; background: var(--dark); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .9fr 1fr; gap: 55px; padding-block: 65px; }
.footer-brand img { width: 145px; margin-bottom: 18px; filter: brightness(0) invert(1); opacity: .92; }
.footer-brand p, .footer-contact p { color: #aeb5be; font-size: .8rem; }
.site-footer h2 { margin: 0 0 20px; color: #fff; font-size: .9rem; font-weight: 600; text-transform: uppercase; }
.site-footer .footer-grid > div:not(.footer-brand) a { display: block; margin-bottom: 8px; color: #aeb5be; font-size: .8rem; transition: color .35s ease; }
.site-footer a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); background: #1b1f23; }
.footer-bottom .container { display: flex; justify-content: space-between; padding-block: 17px; color: #8e959e; font-size: .72rem; }

.reveal { opacity: 1 !important; transform: none !important; }
.reveal.visible { opacity: 1 !important; transform: none !important; }
.value-card:nth-child(2), .method-grid article:nth-child(2) { transition-delay: .07s; }
.value-card:nth-child(3), .method-grid article:nth-child(3) { transition-delay: .14s; }
.value-card:nth-child(4), .method-grid article:nth-child(4) { transition-delay: .21s; }

@media (max-width: 1199px) {
  .brand { flex-basis: 175px; }
  .main-nav { gap: 15px; }
  .main-nav a { font-size: .74rem; }
  .header-actions .button { display: none; }
  .value-grid { gap: 15px; }
}

@media (max-width: 1023px) {
  .site-header, .header-inner { height: 65px; }
  .brand { flex-basis: auto; }
  .brand img { width: 145px; }
  .menu-toggle { display: block; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: fixed; inset: 65px 0 auto; display: none; max-height: calc(100vh - 65px); overflow: auto; padding: 0 20px 15px; background: rgba(255,255,255,.98); box-shadow: 0 .5rem 1rem rgba(0,0,0,.15); }
  .main-nav.open { display: block; }
  .main-nav a { display: block; min-height: 0; padding: 13px 8px; border-bottom: 1px solid rgba(0,0,0,.08); font-size: .95rem; }
  .main-nav a::after { display: none; }
  .header-actions { margin-left: 4px; padding-left: 10px; }
  .hero { height: 250px; margin-top: 0; }
  .story-grid, .vision-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
  .story-copy { order: 1 !important; padding-right: 0 !important; }
  .story-visual { order: 2 !important; max-width: 500px !important; margin: 0 auto !important; }
  .experience-card { right: 15px !important; bottom: -15px !important; width: 195px !important; padding: 14px 18px !important; }
  .vision-image { order: 2 !important; max-width: 500px !important; margin: 0 auto !important; }
  .vision-copy { order: 1 !important; }
  .story-copy h2, .vision-copy h2 { font-size: 1.65rem; }
  .value-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .brand img { width: 120px; }
  .header-phone { display: none; }
  .hero { height: 210px; }
  .hero h1 { font-size: 1.85rem; }
  .breadcrumb::before { width: 30px; }
  .section { padding: 45px 0 !important; }
  .story.section { padding: 40px 0 !important; }
  .stats { padding: 30px 0 !important; }
  .values.section, .vision.section, .method.section { padding: 45px 0 !important; }
  .story-grid, .vision-grid { grid-template-columns: 1fr !important; gap: 35px !important; }
  .story-copy { order: 1 !important; }
  .story-visual { order: 2 !important; max-width: 100% !important; }
  .experience-card { right: 10px !important; bottom: -10px !important; width: 185px !important; padding: 12px 16px !important; }
  .vision-image { order: 2 !important; }
  .vision-copy { order: 1 !important; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 0; }
  .method-grid { grid-template-columns: 1fr; gap: 28px; }
  .method-grid article { padding: 0 18px; }
  .method-grid article:not(:last-child)::after { display: none; }
  .cta-card { grid-template-columns: 1fr; gap: 25px; padding-block: 35px !important; }
  .cta-actions { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }
}

@media (max-width: 480px) {
  .language { font-size: .75rem; }
  .header-actions { padding-left: 7px; }
  .stats-grid { gap: 12px; }
  .stats article { min-height: 110px; }
  .stats strong { font-size: 1.65rem; }
  .story-copy h2, .section-heading h2, .vision-copy h2, .method-heading h2, .cta-card h2 { font-size: 1.55rem; }
  .story-actions { align-items: flex-start; flex-direction: column; gap: 15px; }
  .footer-bottom .container { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}