/*
Endüstriyel Kurumsal Netlik yaklaşımı.
Bu stil dosyası; görünür özel servis beyanı, güçlü tipografi,
asimetrik ama sade kurumsal düzen ve yüksek okunabilirlik üretmek için hazırlanmıştır.
*/

:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --text: #0b1024;
  --muted: #5e667a;
  --line: #dbe2ea;
  --dark: #050817;
  --accent: #1197b8;
  --accent-dark: #0d7f9b;
  --warning-bg: #fff4f4;
  --warning-border: #f0cfd2;
  --warning-text: #9d3141;
  --shadow-soft: 0 18px 40px rgba(10, 20, 40, 0.08);
  --shadow-card: 12px 12px 0 rgba(10, 20, 40, 0.05);
  --container: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", Arial, sans-serif;
  color: var(--text);
  background:
    linear-gradient(to right, rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, #f6f8fb 0%, #ffffff 18%, #eef3f8 100%);
  background-size: 40px 40px, 40px 40px, auto;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: var(--dark);
  color: #f7fbff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  min-height: 48px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.topbar p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
}

.topbar strong {
  color: #ffffff;
}

.topbar .phone-link {
  color: #87def5;
  font-weight: 700;
  white-space: nowrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-badge {
  width: 54px;
  height: 54px;
  border: 1px solid #ccd4df;
  background: var(--dark);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 20px;
  box-shadow: 8px 8px 0 rgba(10, 20, 40, 0.08);
}

.brand-text strong,
.brand-text span {
  display: block;
}

.brand-text strong {
  font-family: "Manrope", Arial, sans-serif;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-text span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
}

.nav a {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #273043;
}

.nav a.active {
  background: var(--dark);
  color: #fff;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  background: var(--accent);
  color: white;
  font-weight: 700;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 34%;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.03), rgba(15, 23, 42, 0));
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0 56px;
}

.hero-left,
.hero-right {
  position: relative;
  z-index: 1;
}

.eyebrows {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.eyebrow,
.warning-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  background: var(--surface-soft);
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 999px;
}

.warning-pill {
  background: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning-text);
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-family: "Manrope", Arial, sans-serif;
  font-size: clamp(42px, 5.6vw, 72px);
  line-height: 0.92;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.hero h1 span,
.page-hero h1 span {
  display: block;
}

.hero h1 span + span,
.page-hero h1 span + span {
  margin-top: 10px;
}

.lead {
  max-width: 700px;
  margin: 28px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 30px;
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #fff;
}

.btn-primary {
  border-color: var(--dark);
  background: var(--dark);
  color: white;
}

.btn-secondary:hover,
.header-cta:hover {
  background: var(--accent-dark);
  color: white;
  border-color: var(--accent-dark);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.stat-card,
.card,
.info-card,
.service-card,
.faq-card,
.declaration-card,
.principle-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.stat-card,
.service-card,
.faq-card,
.declaration-card,
.principle-card,
.card {
  padding: 22px;
}

.stat-card h3,
.service-card h3,
.faq-card h3,
.declaration-card h3,
.principle-card h3 {
  margin: 0;
  font-family: "Manrope", Arial, sans-serif;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.stat-card p,
.service-card p,
.faq-card p,
.declaration-card p,
.principle-card p,
.card p,
.info-card p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.hero-image-wrap {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #eef3f8;
  box-shadow: var(--shadow-soft);
}

.hero-image-wrap img {
  width: 100%;
  min-height: 440px;
  object-fit: cover;
  object-position: 62% 48%;
  transform: scale(1.14);
}

.hero-info-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 14px;
  margin-top: 14px;
}

.info-card {
  padding: 24px;
}

.info-card.dark {
  background: var(--dark);
  color: white;
  box-shadow: 14px 14px 0 rgba(10, 20, 40, 0.08);
}

.info-card.dark p,
.info-card.dark li,
.info-card.dark a {
  color: rgba(255, 255, 255, 0.88);
}

.info-card .label {
  margin: 0;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.info-card.dark .label {
  color: #8be4f8;
}

.info-card h2,
.section-copy h2,
.page-hero-copy h1 {
  margin: 14px 0 0;
  font-family: "Manrope", Arial, sans-serif;
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.info-list li {
  margin-top: 12px;
  line-height: 1.8;
}

.dark-band {
  border-bottom: 1px solid #162035;
  background: var(--dark);
  color: white;
}

.dark-band-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  align-items: center;
  padding: 32px 0;
}

.dark-band h2 {
  margin: 12px 0 0;
  font-family: "Manrope", Arial, sans-serif;
  font-size: clamp(26px, 2.8vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.dark-boxes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.dark-box {
  border: 1px solid #1f2c43;
  background: #0b1220;
  padding: 20px;
}

.dark-box strong,
.section-label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.dark-box strong,
.section-label {
  color: var(--accent);
}

.dark-box p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.8;
}

.section {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.section.alt {
  background: linear-gradient(180deg, #ffffff 0%, #f5f7fa 100%);
}

.section.soft {
  background: rgba(241, 245, 249, 0.7);
}

.section-grid,
.page-grid {
  display: grid;
  gap: 40px;
  align-items: start;
  padding: 64px 0;
}

.section-grid.cols-2,
.page-grid.cols-2 {
  grid-template-columns: 0.82fr 1.18fr;
}

.section-grid.cols-reverse {
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.section-copy h2 {
  margin-top: 16px;
}

.section-copy p {
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
}

.grid-cards-2,
.grid-cards-3,
.grid-cards-4 {
  display: grid;
  gap: 16px;
}

.grid-cards-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cards-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

.service-card .index,
.faq-card .index,
.declaration-card .index,
.principle-card .index,
.card .index {
  display: block;
  font-size: 11px;
  font-weight: 800;
  color: #8b97ab;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.image-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: white;
  box-shadow: var(--shadow-soft);
}

.image-panel img {
  width: 100%;
  min-height: 380px;
  object-fit: cover;
}

.page-hero {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 34%;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.03), rgba(15, 23, 42, 0));
}

.page-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  padding: 56px 0 70px;
}

.page-side-boxes {
  display: grid;
  gap: 14px;
}

.footer-callout {
  position: relative;
  overflow: hidden;
  background: var(--dark);
  color: white;
  border-top: 1px solid #162035;
}

.footer-callout::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(17, 151, 184, 0.18), transparent 35%);
}

.footer-callout-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 28px;
  align-items: end;
  padding: 54px 0;
}

.footer-callout h2 {
  margin: 14px 0 0;
  font-family: "Manrope", Arial, sans-serif;
  font-size: clamp(32px, 3.5vw, 46px);
  line-height: 1;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.footer-callout p {
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.82);
}

.footer-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 0.8fr;
  gap: 28px;
  padding: 42px 0;
}

.footer h3 {
  margin: 0;
  font-family: "Manrope", Arial, sans-serif;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer p,
.footer li,
.footer a {
  color: var(--muted);
  line-height: 1.9;
  font-size: 16px;
}

.footer-strip {
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
  padding: 16px 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@media (max-width: 1100px) {
  .site-header-inner,
  .topbar-inner,
  .hero-grid,
  .dark-band-grid,
  .section-grid.cols-2,
  .section-grid.cols-reverse,
  .page-hero-grid,
  .page-grid.cols-2,
  .footer-callout-inner,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .site-header-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    justify-content: flex-start;
  }

  .header-cta {
    width: 100%;
  }

  .hero::before,
  .page-hero::before {
    display: none;
  }

  .hero-info-grid,
  .dark-boxes,
  .grid-cards-3,
  .grid-cards-4,
  .footer-actions {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid,
  .page-hero-grid,
  .section-grid,
  .page-grid,
  .footer-callout-inner {
    gap: 28px;
    padding: 36px 0 42px;
  }

  .lead,
  .section-copy p,
  .footer-callout p,
  .stat-card p,
  .service-card p,
  .faq-card p,
  .declaration-card p,
  .principle-card p,
  .card p,
  .info-card p {
    font-size: 15px;
  }

  .actions,
  .hero-info-grid,
  .stats,
  .dark-boxes,
  .grid-cards-2,
  .grid-cards-3,
  .grid-cards-4,
  .footer-actions,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .btn,
  .header-cta {
    width: 100%;
  }

  .hero-image-wrap img,
  .image-panel img {
    min-height: 280px;
  }
}