/* =========================================================
   1) GENEL AYARLAR
========================================================= */

:root {
  --primary: #8b0000;
  --primary-dark: #6f0000;
  --text: #202020;
  --muted: #5b5b5b;
  --line: rgba(0, 0, 0, 0.08);
  --card: rgba(255, 255, 255, 0.92);
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  --radius: 18px;

  --page-accent: #f28c1a;
  --page-accent-soft: rgba(242, 140, 26, 0.14);
  --page-accent-border: rgba(242, 140, 26, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: #f5f5f5;
}

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

a {
  text-decoration: none;
}

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}


/* =========================================================
   2) HEADER / ÜST MENÜ
========================================================= */

header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  padding: 20px 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.logo img {
  width: auto;
  height: 76px;
}

.nav {
  display: flex;
  align-items: flex-start;
  gap: 22px;
}

.nav a {
  color: #2f2f2f;
  font-size: 0.95rem;
  font-weight: 600;
  transition: opacity 0.25s ease, transform 0.25s ease, color 0.25s ease;
}

.nav a:hover {
  color: var(--primary);
  opacity: 0.85;
  transform: translateY(-1px);
}

.nav-home {
  color: var(--primary) !important;
  font-weight: 700;
}

.nav-contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1.2;
}

.nav-contact a,
.nav-contact a:visited {
  color: #2f2f2f;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-contact a:hover {
  color: var(--primary);
}


/* =========================================================
   3) HERO ALANI
========================================================= */

.hero {
  min-height: 84vh;
  display: flex;
  align-items: flex-start;
  padding: 108px 0 20px;
  background:
    linear-gradient(
      90deg,
      rgba(28, 28, 28, 0.20) 0%,
      rgba(28, 28, 28, 0.10) 18%,
      rgba(255, 255, 255, 0.00) 45%
    ),
    url('images/hero.png') no-repeat center center / cover;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 36px;
  align-items: start;
}

.hero-copy {
  padding-top: 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 16px;
  margin-top: 38px;
  margin-bottom: 22px;
  border: 1px solid rgba(139, 0, 0, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(4px);
}

.hero h1 {
  margin: 0 0 14px;
  font-family: 'Montserrat', sans-serif;
  font-size: 2.45rem;
  line-height: 1.04;
  letter-spacing: -0.6px;
  color: #fff;
  text-shadow:
    -1px 0 rgba(122, 31, 31, 0.22),
    1px 0 rgba(122, 31, 31, 0.22),
    0 1px rgba(122, 31, 31, 0.18),
    0 8px 18px rgba(0, 0, 0, 0.15);
}

.hero p {
  margin: 0 0 26px;
  max-width: 520px;
  font-size: 1rem;
  line-height: 1.55;
  font-weight: 700;
  color: rgba(73, 67, 67, 0.94);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  margin-bottom: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 146px;
  height: 42px;
  margin-top: 26px;
  padding: 0 28px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(139, 0, 0, 0.30);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.78);
  color: #2f2f2f;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  transform: translateY(-2px);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.point {
  padding: 10px 14px;
  border: 1px solid var(--page-accent-border);
  border-radius: 7px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.92) 0%,
    var(--page-accent-soft) 55%,
    rgba(230, 233, 238, 0.82) 100%
  );
  color: #3b3b3b;
  font-size: 0.86rem;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(4px);
}


/* =========================================================
   4) HERO SAĞ GÖRSEL ALANI
========================================================= */

.hero-media {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.product-card {
  max-width: 440px;
  margin-top: 40px;
  margin-left: auto;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.24);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(6px);
}

.product-card img {
  width: 100%;
  max-height: 280px;
  margin: 0 auto;
  object-fit: contain;
}

.back-home-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  color: #4b0206;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    background 0.22s ease,
    border-color 0.22s ease,
    color 0.22s ease,
    transform 0.22s ease;
}

.back-home-btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.20);
  color: #2f3338;
  border-color: rgba(255, 255, 255, 0.44);
}

.back-home-btn--glass {
  min-height: 40px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.40);
  background: rgba(255, 255, 255, 0.28);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}


/* =========================================================
   5) HERO SONRASI / DÖNÜŞ ALANI
========================================================= */

.hero + .section {
  margin-top: -12px;
}

.section {
  padding: 28px 0;
}

.hero-return {
  margin-top: 80px;
}

.bottom-return-inner {
  display: flex;
  justify-content: center;
}

.bottom-return {
  padding-top: 0;
  padding-bottom: 10px;
  margin-top: -14px;
}


/* =========================================================
   6) İKİ SÜTUNLU İÇERİK ALANI
========================================================= */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.section-title {
  display: flex;
  align-items: flex-start;
  min-height: 50px;
  margin: 0 0 18px;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.45rem;
  line-height: 1.1;
  color: #1f1f1f;
}

.intro-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

.intro-text {
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.75;
  color: #4a4a4a;
}


/* =========================================================
   7) SAĞ TEKNİK KART
========================================================= */

.tech-card {
  padding-top: 24px;
}

.tech-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.drawing-box,
.tech-photo {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.drawing-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 230px;
  padding: 12px;
}

.drawing-box img {
  width: auto;
  max-height: 190px;
  object-fit: contain;
}

.tech-photo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 230px;
  padding: 6px;
}

.tech-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.spec {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.spec span {
  display: block;
  color: #333;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
}


/* =========================================================
   8) ALT CTA BÖLÜMÜ
========================================================= */

.cta-section {
  margin-top: -12px;
  padding-top: 4px;
}

.cta-section .container {
  max-width: 1120px;
}

.cta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 26px;
  border-radius: 20px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.cta-strip h2 {
  margin: 0 0 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.35rem;
  color: #1f1f1f;
}

.cta-strip p {
  margin: 0;
  color: #5a5a5a;
  font-size: 0.95rem;
  line-height: 1.6;
}

.cta-strip .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}


/* =========================================================
   9) FOOTER
========================================================= */

footer {
  margin-top: 8px;
  padding: 0 0 30px;
  text-align: center;
  color: #666;
  font-size: 0.9rem;
}


/* =========================================================
   10) TABLET / KÜÇÜK LAPTOP
========================================================= */

@media (max-width: 1080px) {
  .hero {
    min-height: auto;
    padding: 138px 0 26px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-grid,
  .two-col,
  .tech-top,
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    max-width: 380px;
    margin-top: 18px;
  }

  .tech-photo,
  .drawing-box {
    min-height: auto;
  }

  .tech-photo img {
    height: 240px;
  }
}


/* =========================================================
   11) 860 ALTI
========================================================= */

@media (max-width: 860px) {
  header {
    padding: 16px 0;
  }

  .topbar {
    flex-direction: column;
    gap: 12px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px 16px;
  }

  .logo img {
    height: 64px;
  }

  .hero {
    padding: 172px 0 24px;
  }
}


/* =========================================================
   12) MOBİL
========================================================= */

@media (max-width: 720px) {
  .hero {
    padding: 168px 0 22px;
  }

  .hero h1 {
    font-size: 1.72rem;
  }

  .hero p {
    font-size: 0.96rem;
  }

  .hero-actions {
    margin-top: 22px;
  }

  .btn {
    width: 100%;
  }

  .point {
    font-size: 0.82rem;
  }

  .section {
    padding: 22px 0;
  }

  .card {
    padding: 18px;
  }

  .section-title {
    min-height: auto;
    font-size: 1.24rem;
  }

  .intro-text {
    font-size: 0.95rem;
    line-height: 1.65;
  }

  .cta-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 20px;
  }

  .cta-strip h2 {
    font-size: 1.15rem;
  }

  .cta-strip p {
    font-size: 0.92rem;
  }
}