/* ─────────────────────────────────────────────
   PYROC — Ana Stil Dosyası
   ───────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Barlow+Condensed:wght@400;500;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;700&display=swap');

/* ── Değişkenler ── */
:root {
  --fire:       #10B981;
  --fire-dark:  #059669;
  --fire-light: #ECFDF5;
  --zinc-900:   #18181b;
  --white:      #ffffff;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: #fff;
  color: #374151;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ── Yardımcı ── */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 3rem; }
@media (max-width: 768px) { .container { padding: 0 1.5rem; } }

.glass-panel {
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(12px);
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1rem 2rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600; font-size: 1.1rem; letter-spacing: 0.08em;
  color: #fff; background: var(--fire);
  border: none; border-radius: 8px; cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 14px rgba(16,185,129,0.3);
}
.btn-primary:hover { background: var(--fire-dark); transform: translateY(-1px); }

/* ════ NAVBAR ════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; padding: 2rem 0;
  transition: all 0.35s ease;
}
#navbar.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e5e7eb;
  padding: 1rem 0;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo img { width: 160px; height: auto; transition: filter 0.35s ease; filter: brightness(0) invert(1); }
#navbar.scrolled .nav-logo img { filter: brightness(0); }

.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a {
  font-family: 'Inter', sans-serif; font-weight: 500;
  font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.9); transition: color 0.2s;
}
.nav-links a:hover { color: var(--fire); }
#navbar.scrolled .nav-links a { color: #27272a; }
#navbar.scrolled .nav-links a:hover { color: var(--fire); }

.nav-lang {
  display: flex; align-items: center; gap: 0.5rem;
  padding-left: 1.5rem; border-left: 1px solid rgba(255,255,255,0.35); margin-left: 0.5rem;
}
#navbar.scrolled .nav-lang { border-left-color: #d1d5db; }
.nav-lang a { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 0.85rem; color: rgba(255,255,255,0.7); transition: color 0.2s; }
.nav-lang a.active { color: var(--fire); }
.nav-lang span { color: rgba(255,255,255,0.3); font-size: 0.8rem; }
#navbar.scrolled .nav-lang a { color: #6b7280; }
#navbar.scrolled .nav-lang a.active { color: var(--fire); }
#navbar.scrolled .nav-lang span { color: #d1d5db; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; z-index: 200; }
.nav-toggle span { display: block; width: 28px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s; }
#navbar.scrolled .nav-toggle span { background: #27272a; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: #27272a; }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: #27272a; }

.mobile-menu {
  position: fixed; inset: 0; background: #fff; z-index: 150;
  display: flex; flex-direction: column;
  padding: 7rem 2rem 3rem; gap: 1.5rem;
  transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  font-family: 'Barlow Condensed', sans-serif; font-size: 2rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: #18181b;
  border-bottom: 1px solid #f4f4f5; padding-bottom: 1rem; transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--fire); }
.mobile-lang { display: flex; gap: 1rem; padding-top: 0.5rem; }
.mobile-lang a { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 1rem; color: #6b7280; }
.mobile-lang a.active { color: var(--fire); }

@media (max-width: 1024px) { .nav-links { display: none; } .nav-toggle { display: flex; } }

/* ════ HERO ════ */
#home {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero-slider { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.1) 60%, rgba(0,0,0,0.35) 100%);
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 10; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem; padding: 0 1.5rem;
}
.hero-logo {
  width: 380px; max-width: 80vw; height: auto;
  filter: invert(1); mix-blend-mode: difference;
}
.hero-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3.5rem); font-weight: 700;
  letter-spacing: 0.12em; color: #fff;
  text-shadow: 0 2px 16px rgba(0,0,0,0.4);
  opacity: 0; transform: translateY(10px);
  animation: fadeUp 0.8s ease forwards 0.3s;
}
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

/* ════ METRİKLER ════ */
#metrics { background: #fff; padding: 5rem 0; border-top: 1px solid #e5e7eb; border-bottom: 1px solid #e5e7eb; }
.metrics-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; }
@media (max-width: 900px) { .metrics-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 500px) { .metrics-grid { grid-template-columns: 1fr; } }
.metric-card { display: flex; flex-direction: column; gap: 1rem; padding: 2rem 1.5rem; text-align: center; background: rgba(255,255,255,0.8); border: 1px solid #e5e7eb; border-radius: 8px; }
.metric-value { font-family: 'JetBrains Mono', monospace; font-size: 3rem; font-weight: 700; color: var(--fire); line-height: 1; }
.metric-label { font-family: 'Barlow Condensed', sans-serif; font-size: 1.1rem; color: #4b5563; letter-spacing: 0.05em; line-height: 1.4; }

/* ════ VİDEO ════ */
#video-section { background: #09090b; padding: 5rem 0; position: relative; overflow: hidden; }
.video-bg-text { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; user-select: none; opacity: 0.04; }
.video-bg-text span { font-family: 'Bebas Neue', sans-serif; font-size: 32vw; color: #fff; line-height: 1; }
.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-eyebrow { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2.5rem,5vw,4rem); color: #fff; margin-bottom: 0.75rem; letter-spacing: 0.04em; }
.section-divider { width: 4rem; height: 2px; background: var(--fire); margin: 0 auto; }
.video-wrapper { max-width: 900px; margin: 0 auto; border-radius: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 25px 60px rgba(0,0,0,0.5); }
.video-wrapper video { width: 100%; display: block; background: #000; aspect-ratio: 16/9; }

/* ════ BÖLÜCÜ ════ */
.divider-section { display: flex; align-items: center; gap: 1.5rem; padding: 2rem 3rem; background: #fff; }
.divider-line { flex: 1; height: 1px; background: linear-gradient(to right, transparent, #d1d5db, transparent); }
.divider-star { font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; color: #d1d5db; letter-spacing: 0.3em; }

/* ════ BÖLÜM BAŞLIKLARI ════ */
.section-title { font-family: 'Bebas Neue', sans-serif; font-size: clamp(3rem,7vw,6rem); color: #18181b; letter-spacing: 0.03em; line-height: 1; margin-bottom: 1.5rem; }
.section-sub { font-family: 'Inter', sans-serif; font-size: 1.1rem; color: #52525b; line-height: 1.7; }
.section-title-center { text-align: center; max-width: 800px; margin: 0 auto 4rem; }

/* ════ HAKKIMIZDA ════ */
#hakkimizda { padding: 6rem 0; background: #fff; border-top: 1px solid #e5e7eb; scroll-margin-top: 80px; }
.about-text { text-align: left; max-width: 720px; margin: 0 auto 4rem; }
.about-text p { font-size: 1rem; color: #4b5563; line-height: 1.85; margin-bottom: 1.25rem; }
.vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 960px; margin: 0 auto; }
@media (max-width: 700px) { .vision-grid { grid-template-columns: 1fr; } }
.vision-card { background: rgba(255,255,255,0.8); border: 1px solid #e5e7eb; border-radius: 8px; padding: 2.5rem; box-shadow: 0 1px 8px rgba(0,0,0,0.04); }
.vision-card h3 { font-family: 'Barlow Condensed', sans-serif; font-size: 1.75rem; font-weight: 700; color: var(--fire); border-bottom: 1px solid #e5e7eb; padding-bottom: 1rem; margin-bottom: 1.25rem; letter-spacing: 0.04em; }
.vision-card p { font-size: 1rem; color: #4b5563; line-height: 1.8; }

/* ════════════════════════════════════════════
   PROSES — DÜZELTİLMİŞ
   ════════════════════════════════════════════ */
#proses { padding: 6rem 0; background: #f9fafb; border-top: 1px solid #e5e7eb; scroll-margin-top: 80px; }

.proses-intro {
  background: #fff; border: 1px solid #f3f4f6; border-radius: 12px;
  padding: 2.5rem; box-shadow: 0 1px 6px rgba(0,0,0,0.04);
  font-size: 1rem; color: #4b5563; line-height: 1.8;
  max-width: 800px; margin: 0 auto 4rem; text-align: left;
}
.proses-intro p { margin-bottom: 1rem; }
.proses-intro p.lead { font-weight: 600; color: #18181b; }
.proses-intro ol { padding-left: 1.5rem; display: flex; flex-direction: column; gap: 0.8rem; }
.proses-intro li strong { color: var(--fire); }

.proses-timeline { max-width: 960px; margin: 0 auto; display: flex; flex-direction: column; gap: 3rem; }

/* Her adım: görsel + numara + içerik yan yana */
.proses-step {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 0;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.proses-step:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,0.1); }

/* Görsel sol taraf */
.step-image {
  width: 45%;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.step-image img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  display: block;
}

/* Numara şeridi */
.step-num-bar {
  width: 56px;
  flex-shrink: 0;
  background: #f9fafb;
  border-left: 1px solid #e5e7eb;
  border-right: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-num-bar span {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700; font-size: 0.85rem;
  color: var(--fire);
  writing-mode: vertical-lr;
  letter-spacing: 0.15em;
}

/* İçerik sağ taraf */
.step-content {
  flex: 1;
  padding: 2rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.step-content h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem; font-weight: 700; color: #18181b;
  margin-bottom: 0.75rem; letter-spacing: 0.02em;
}
.step-content p { font-size: 0.95rem; color: #4b5563; line-height: 1.75; }

/* Çift adımlarda görsel sağa geçer */
.proses-step.reverse { flex-direction: row-reverse; }
.proses-step.reverse .step-num-bar { border-left: 1px solid #e5e7eb; border-right: 1px solid #e5e7eb; }

@media (max-width: 700px) {
  .proses-step, .proses-step.reverse { flex-direction: column; }
  .step-image { width: 100%; }
  .step-image img { min-height: 200px; height: 200px; }
  .step-num-bar { width: 100%; height: 40px; writing-mode: horizontal-tb; border: none; border-top: 1px solid #e5e7eb; border-bottom: 1px solid #e5e7eb; }
  .step-num-bar span { writing-mode: horizontal-tb; }
}

/* ════ ÜRÜNLERİMİZ ════ */
#urunler { padding: 6rem 0; background: #fff; border-top: 1px solid #e5e7eb; scroll-margin-top: 80px; }
.urun-row { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; max-width: 960px; margin: 0 auto 5rem; }
.urun-row.reverse { direction: rtl; }
.urun-row.reverse > * { direction: ltr; }
@media (max-width: 768px) { .urun-row, .urun-row.reverse { grid-template-columns: 1fr; direction: ltr; } }
.urun-img { border-radius: 10px; overflow: hidden; border: 1px solid #e5e7eb; box-shadow: 0 4px 20px rgba(0,0,0,0.08); aspect-ratio: 4/3; }
.urun-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.urun-info h3 { font-family: 'Bebas Neue', sans-serif; font-size: 2.5rem; color: #18181b; margin-bottom: 0.5rem; letter-spacing: 0.03em; line-height: 1.1; }
.urun-info h3 span { font-family: 'Barlow Condensed', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--fire); display: inline-block; margin-left: 0.5rem; }
.urun-info p { font-size: 1rem; color: #4b5563; line-height: 1.8; margin-top: 1.25rem; }

/* ════ SÜRDÜRÜLEBİLİRLİK ════ */
#surdurulebilirlik { padding: 6rem 0; background: #f9fafb; border-top: 1px solid #e5e7eb; scroll-margin-top: 80px; }
.surd-block { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; max-width: 960px; margin: 0 auto 5rem; }
.surd-block:last-child { margin-bottom: 0; }
.surd-block.reverse .surd-img { order: 2; }
.surd-block.reverse .surd-text { order: 1; }
@media (max-width: 768px) { .surd-block, .surd-block.reverse { grid-template-columns: 1fr; } .surd-block.reverse .surd-img, .surd-block.reverse .surd-text { order: unset; } }
.surd-img { border-radius: 10px; overflow: hidden; border: 1px solid #e5e7eb; box-shadow: 0 4px 20px rgba(0,0,0,0.08); aspect-ratio: 4/3; }
.surd-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.surd-text h3 { font-family: 'Bebas Neue', sans-serif; font-size: 2.5rem; color: #18181b; margin-bottom: 1rem; letter-spacing: 0.03em; }
.surd-text p { font-size: 1rem; color: #4b5563; line-height: 1.8; margin-bottom: 1.5rem; }
.surd-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.surd-list li { display: flex; align-items: center; gap: 0.75rem; font-size: 0.95rem; color: #374151; font-weight: 500; }
.surd-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--fire); flex-shrink: 0; }

/* ════ İLETİŞİM ════ */
#iletisim { padding: 6rem 0; background: #fff; border-top: 1px solid #e5e7eb; scroll-margin-top: 80px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; max-width: 1100px; margin: 0 auto; }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-img { border-radius: 10px; overflow: hidden; border: 1px solid #e5e7eb; box-shadow: 0 4px 20px rgba(0,0,0,0.08); min-height: 400px; }
.contact-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.contact-form-wrap { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 2.5rem; box-shadow: 0 4px 20px rgba(0,0,0,0.05); }
.contact-form-wrap h3 { font-family: 'Barlow Condensed', sans-serif; font-size: 1.75rem; font-weight: 700; color: #18181b; margin-bottom: 1.5rem; letter-spacing: 0.04em; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: #4b5563; }
.form-group input, .form-group textarea { width: 100%; background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 6px; padding: 0.75rem 1rem; font-family: 'Inter', sans-serif; font-size: 0.95rem; color: #18181b; outline: none; transition: border-color 0.2s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--fire); }
.form-group textarea { resize: vertical; min-height: 110px; }
.contact-email { display: block; text-align: center; margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid #f3f4f6; font-size: 0.9rem; color: #6b7280; transition: color 0.2s; }
.contact-email:hover { color: var(--fire); }

/* ════ FOOTER ════ */
footer { background: #18181b; padding: 4rem 0 2rem; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 2rem; margin-bottom: 2.5rem; text-align: center; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem 2.5rem; list-style: none; }
.footer-nav a { font-family: 'Inter', sans-serif; font-size: 0.9rem; color: #a1a1aa; transition: color 0.2s; }
.footer-nav a:hover { color: var(--fire); }
.footer-logo img { width: 160px; height: auto; filter: brightness(0) invert(1); margin: 0 auto 0.75rem; }
.footer-tagline { font-family: 'Barlow Condensed', sans-serif; font-size: 1.2rem; letter-spacing: 0.2em; color: #71717a; text-transform: uppercase; }
.footer-copy { border-top: 1px solid #27272a; padding-top: 1.5rem; text-align: center; font-size: 0.8rem; color: #52525b; }

/* ════ ANİMASYONLAR ════ */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }