/* ================= DEĞİŞKENLER ================= */
:root {
  --renk-koyu: #3A3A3A;
  --renk-koyu-alt: #4A4A4A;
  --renk-yazi: #262626;
  --renk-yazi-soft: #6E6E6E;
  --renk-acik: #FFFFFF;
  --renk-acik-alt: #F4F4F4;
  --renk-beyaz: #FFFFFF;
  --renk-vurgu: #E4692A;
  --renk-vurgu-koyu: #B84F1C;
  --renk-ikincil: #9A9A9A;
  --renk-ikincil-koyu: #4A4A4A;
  --renk-whatsapp: #25D366;
  --renk-whatsapp-koyu: #1DA851;
  --cizgi: rgba(0, 0, 0, 0.09);

  --font-baslik: "Space Grotesk", sans-serif;
  --font-govde: "Inter", sans-serif;
  --font-teknik: "IBM Plex Mono", monospace;

  --bosluk-buyuk: 96px;
  --bosluk-orta: 64px;
}

/* ================= SIFIRLAMA ================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-govde);
  background-color: var(--renk-acik);
  color: var(--renk-yazi);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-baslik);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

/* ================= HEADER ================= */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  height: 68px;
  background-color: rgba(58, 58, 58, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo-yazi {
  font-family: var(--font-baslik);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--renk-beyaz);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(251, 251, 248, 0.65);
  text-decoration: none;
  font-family: var(--font-teknik);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-links a:hover {
  color: var(--renk-beyaz);
  border-bottom-color: var(--renk-vurgu);
}

/* ================= HERO ================= */
.hero {
  background: var(--renk-acik);
  color: var(--renk-yazi);
  padding: 88px 40px 72px;
  text-align: center;
  border-bottom: 1px solid var(--cizgi);
}

.hero .eyebrow {
  font-family: var(--font-teknik);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--renk-vurgu-koyu);
  margin-bottom: 20px;
}

.hero h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--renk-koyu);
}

.hero p {
  font-size: 1.02rem;
  color: var(--renk-yazi-soft);
  margin-bottom: 30px;
  max-width: 44ch;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-grup {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 620px;
  margin: 0 auto;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--renk-vurgu), var(--renk-vurgu-koyu));
  color: var(--renk-beyaz);
  padding: 15px 18px;
  text-decoration: none;
  border-radius: 3px;
  font-weight: 500;
  font-family: var(--font-teknik);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(224, 144, 74, 0.35);
}

.btn-whatsapp {
  background: linear-gradient(135deg, var(--renk-whatsapp), var(--renk-whatsapp-koyu));
}

.btn-whatsapp:hover {
  box-shadow: 0 8px 18px rgba(37, 211, 102, 0.35);
}

.btn-instagram {
  background: var(--renk-acik-alt);
  border: 1px solid var(--cizgi);
  color: var(--renk-koyu);
}

.btn-instagram:hover {
  background: var(--renk-beyaz);
  border-color: var(--renk-vurgu);
  color: var(--renk-vurgu-koyu);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

/* --- Yazıcı animasyonu --- */
.print-anim {
  position: relative;
  width: 140px;
  height: 130px;
  margin: 44px auto 0;
}

.katman {
  position: absolute;
  left: 50%;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--renk-vurgu), #F0AD66, var(--renk-vurgu));
  border-radius: 1px;
  box-shadow: 0 0 8px rgba(224, 144, 74, 0.5);
  opacity: 0;
  transform: translateX(-50%) scaleX(0.3);
  animation: katmanYuksel 4s ease-in-out infinite;
}

@keyframes katmanYuksel {
  0%   { opacity: 0; transform: translateX(-50%) scaleX(0.3); }
  10%  { opacity: 1; transform: translateX(-50%) scaleX(1); }
  85%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ================= GENEL BÖLÜM BAŞLIKLARI ================= */
section .eyebrow {
  display: block;
  text-align: center;
  font-family: var(--font-teknik);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--renk-ikincil-koyu);
  margin-bottom: 12px;
}

section h2 {
  text-align: center;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--renk-koyu);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  position: relative;
}

section h2::after {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  background: var(--renk-vurgu);
  border-radius: 2px;
  margin: 16px auto 0;
}

.uretim-guc h2,
.katalog h2,
.hakkimizda h2,
.iletisim h2,
.surec h2 {
  margin-bottom: 44px;
}

/* ================= SÜREÇ ================= */
.surec {
  padding: var(--bosluk-orta) 40px;
  max-width: 1080px;
  margin: 0 auto;
}

.surec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.surec-adim {
  text-align: center;
  padding: 14px;
  position: relative;
}

.surec-adim::before {
  content: "";
  position: absolute;
  top: 26px;
  left: -50%;
  width: 100%;
  height: 1px;
  background: var(--cizgi);
  z-index: 0;
}

.surec-adim:first-child::before {
  display: none;
}

.surec-no {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--renk-vurgu), var(--renk-vurgu-koyu));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-teknik);
  font-weight: 500;
  font-size: 0.92rem;
  position: relative;
  z-index: 1;
}

.surec-adim h3 {
  color: var(--renk-koyu);
  font-size: 1rem;
  margin-bottom: 6px;
}

.surec-adim p {
  color: var(--renk-yazi-soft);
  font-size: 0.86rem;
}

/* ================= ÜRETİM GÜCÜ ================= */
.uretim-guc {
  padding: var(--bosluk-orta) 40px;
  max-width: 1080px;
  margin: 0 auto;
}

.istatistik-grid {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 56px;
}

.istatistik-kart {
  text-align: center;
}

.istatistik-sayi {
  font-family: var(--font-baslik);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--renk-vurgu-koyu);
  line-height: 1;
}

.istatistik-etiket {
  font-family: var(--font-teknik);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--renk-ikincil-koyu);
  margin-top: 8px;
}

.filament-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.filament-kart {
  background-color: var(--renk-beyaz);
  border: 1px solid var(--cizgi);
  border-radius: 4px;
  padding: 22px;
}

.filament-kart h3 {
  font-family: var(--font-teknik);
  color: var(--renk-koyu);
  font-size: 0.95rem;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.filament-kart p {
  color: var(--renk-yazi-soft);
  font-size: 0.82rem;
  line-height: 1.55;
}

/* ================= KATALOG ================= */
.katalog {
  padding: var(--bosluk-orta) 40px;
  background-color: var(--renk-acik-alt);
}

.katalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}

.urun-kart {
  background-color: var(--renk-beyaz);
  border: 1px solid var(--cizgi);
  padding: 24px;
  border-radius: 4px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.urun-kart:hover {
  transform: translateY(-3px);
  border-color: rgba(224, 144, 74, 0.35);
  box-shadow: 0 10px 24px rgba(224, 144, 74, 0.12);
}

.urun-kart h3 {
  color: var(--renk-koyu);
  font-size: 1rem;
  margin-bottom: 6px;
  font-weight: 600;
}

.urun-kart p {
  color: var(--renk-yazi-soft);
  font-size: 0.88rem;
}

.spec {
  font-family: var(--font-teknik);
  font-size: 0.76rem !important;
  color: var(--renk-ikincil-koyu) !important;
  margin-top: 14px !important;
  padding-top: 12px;
  border-top: 1px dashed var(--cizgi);
}

/* ================= HAKKIMIZDA ================= */
.hakkimizda {
  padding: var(--bosluk-orta) 40px;
  max-width: 900px;
  margin: 0 auto;
}

.ekip-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--cizgi);
  border: 1px solid var(--cizgi);
  border-radius: 4px;
  overflow: hidden;
}

.kisi {
  background-color: var(--renk-beyaz);
  padding: 30px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.kisi-avatar {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--renk-vurgu), var(--renk-vurgu-koyu));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-teknik);
  font-size: 0.78rem;
  font-weight: 500;
}

.kisi h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--renk-koyu);
  margin-bottom: 4px;
}

.unvan {
  display: block;
  font-family: var(--font-teknik);
  color: var(--renk-ikincil-koyu);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.kisi p.bio {
  color: var(--renk-yazi-soft);
  font-size: 0.86rem;
  line-height: 1.55;
}

/* ================= İLETİŞİM ================= */
.iletisim {
  padding: var(--bosluk-orta) 40px;
  max-width: 460px;
  margin: 0 auto;
}

.form-grup {
  margin-bottom: 18px;
}

.form-grup label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-teknik);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--renk-ikincil-koyu);
}

.form-grup input,
.form-grup textarea,
.form-grup select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--cizgi);
  border-radius: 3px;
  font-family: var(--font-govde);
  font-size: 0.92rem;
  background-color: var(--renk-beyaz);
}

.form-grup input:focus,
.form-grup textarea:focus,
.form-grup select:focus {
  outline: 2px solid var(--renk-vurgu);
  outline-offset: 1px;
}

form .btn {
  border: none;
  cursor: pointer;
  font-size: 0.8rem;
  width: 100%;
  margin-top: 4px;
}

/* ================= FOOTER ================= */
.site-footer {
  background-color: var(--renk-koyu);
  color: rgba(251, 251, 248, 0.7);
  padding: 36px 40px 0;
}

.footer-grid {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo-yazi {
  display: block;
  font-family: var(--font-baslik);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--renk-beyaz);
  margin-bottom: 10px;
}

.footer-aciklama {
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(251, 251, 248, 0.5);
  max-width: 32ch;
}

.footer-sutun h4 {
  font-family: var(--font-teknik);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(251, 251, 248, 0.85);
  margin-bottom: 10px;
}

.footer-link-listesi {
  list-style: none;
}

.footer-link-listesi li {
  margin-bottom: 6px;
  font-size: 0.8rem;
  color: rgba(251, 251, 248, 0.55);
  line-height: 1.4;
}

.footer-link-listesi a {
  color: rgba(251, 251, 248, 0.55);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link-listesi a:hover {
  color: var(--renk-beyaz);
}

.footer-sosyal {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-sosyal-link {
  font-size: 0.84rem;
  color: rgba(251, 251, 248, 0.55);
  text-decoration: none;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  text-align: center;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.footer-sosyal-link:hover {
  border-color: var(--renk-vurgu);
  color: var(--renk-beyaz);
}

.footer-alt {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 0;
  font-size: 0.74rem;
  color: rgba(251, 251, 248, 0.4);
  text-align: center;
}

/* ================= WHATSAPP BUTONU ================= */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 56px;
  padding: 0 22px 0 16px;
  background: linear-gradient(135deg, var(--renk-whatsapp), var(--renk-whatsapp-koyu));
  color: white;
  border-radius: 30px;
  text-decoration: none;
  font-family: var(--font-teknik);
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  z-index: 100;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: nabiz 2.5s ease-in-out infinite;
}

.whatsapp-float svg { width: 26px; height: 26px; flex-shrink: 0; }

.whatsapp-float:hover {
  transform: scale(1.05);
}

@keyframes nabiz {
  0%, 100% { box-shadow: 0 6px 20px rgba(0,0,0,0.2), 0 0 0 0 rgba(37,211,102,0.45); }
  50% { box-shadow: 0 6px 20px rgba(0,0,0,0.2), 0 0 0 14px rgba(37,211,102,0); }
}

/* ================= MOBİL UYUM ================= */
@media (max-width: 768px) {

  .site-header {
    height: auto;
    flex-direction: column;
    gap: 12px;
    padding: 14px 20px;
  }

  .hero-cta-grup {
    grid-template-columns: 1fr;
    max-width: 320px;
  }

  .surec-grid,
  .filament-grid {
    grid-template-columns: 1fr 1fr;
  }

  .surec-adim::before {
    display: none;
  }

  .ekip-grid {
    grid-template-columns: 1fr;
  }

  .istatistik-grid {
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero,
  .uretim-guc,
  .katalog,
  .hakkimizda,
  .iletisim,
  .surec {
    padding-left: 20px;
    padding-right: 20px;
  }

  .whatsapp-float span {
    display: none;
  }

  .whatsapp-float {
    width: 56px;
    padding: 0;
    justify-content: center;
  }

}