/* =============================================
   TEKNIKCAN LAZER — SHARED STYLES
   Değiştirmek istediğin ortak stilleri buradan düzenle,
   sonra build.ps1 çalıştır.
   ============================================= */

/* ── RENK VE BOYUT DEĞİŞKENLERİ ─────────────── */
:root {
  --red: #a01010;
  --red-h: #a81414;
  --red-light: #fdf0f0;
  --red-border: rgba(198,24,24,0.2);
  --bg: #ffffff;
  --bg3: #f5f6f8;
  --border: #e2e5ea;
  --border2: #d0d4da;
  --dark: #283030;
  --dark2: #1e2626;
  --text: #283030;
  --muted: #6b7a7a;
  --muted2: #9aabab;
  --section-pt: 120px;
  --section-pb: 80px;
  --container-width: 1300px;
}

/* ── RESET ───────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: 'Inter', sans-serif; background: #ffffff; color: var(--text); overflow-x: hidden; font-size: 14px; }

/* ── TİPOGRAFİ ───────────────────────────────── */
h1.hero-title { font-size: clamp(36px,5vw,80px); font-weight: 900; line-height: 1.08; letter-spacing: -1.5px; color: var(--dark); margin-bottom: 16px; text-align: center; }
h1.hero-title span { color: var(--red); }
.hero-sub { font-size: 18px; color: var(--muted); max-width: 560px; line-height: 1.7; margin-bottom: 32px; font-weight: 400; text-align: center; margin-left: auto; margin-right: auto; }

.page-hero-title { font-size: clamp(36px,5vw,80px); font-weight: 900; line-height: 1.08; letter-spacing: -1.5px; color: var(--dark); margin-bottom: 16px; }
.page-hero-title span { color: var(--red); }
.page-hero-desc { font-size: 18px; color: var(--muted); line-height: 1.7; margin-bottom: 32px; font-weight: 400; max-width: 480px; }

.sec-title { font-size: clamp(28px,3.5vw,48px); font-weight: 800; color: var(--dark); letter-spacing: -.8px; line-height: 1.1; margin-bottom: 24px; text-align: center; }
.sec-title span { color: var(--red); }
.sec-sub { font-size: 18px; color: var(--muted); line-height: 1.7; max-width: 700px; text-align: center; margin-left: auto; margin-right: auto; margin-bottom: 48px; }

/* ── BUTONLAR ─────────────────────────────────── */
.btn-red {
  background: linear-gradient(135deg, #c01515 0%, #8b0e0e 100%);
  color: #fff;
  padding: 11px 60px;
  border-radius: 9999px;
  font-size: 16px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(198,24,24,.3);
  transition: filter .2s, transform .15s, box-shadow .2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
}
.btn-red:hover { filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(198,24,24,.4); }
.btn-red .material-symbols-outlined { font-size: 20px; color: #ffffff; }
.btn-outline svg { width: 20px; height: 20px; flex-shrink: 0; }

.btn-outline {
  background: var(--bg);
  color: var(--dark);
  padding: 11px 60px;
  border-radius: 9999px;
  font-size: 16px;
  font-weight: 500;
  border: 1.5px solid var(--border2);
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s, transform .15s, box-shadow .2s;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
}
.btn-outline:hover { border-color: var(--border2); color: var(--dark); background: var(--bg3); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.page-hero-btns .btn-red, .page-hero-btns .btn-outline { flex: 1; justify-content: center; }

/* ── NAV ─────────────────────────────────────── */
nav {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner { max-width: 1300px; margin: 0 auto; padding: 0 40px; height: 80px; display: flex; align-items: center; }
.nav-logo { flex: 1; display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 48px; width: auto; display: block; }
.nav-links { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; flex-shrink: 0; }
.nav-right { flex: 1; display: flex; justify-content: flex-end; }
.nav-links a {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 16px; font-size: 14px; font-weight: 500;
  color: #4a5568; text-decoration: none;
  border-radius: 6px; transition: color .2s, background .2s;
  white-space: nowrap; line-height: 1;
}
.nav-links a:hover { color: var(--dark); background: #f7f8fa; }
.nav-links a:hover svg { stroke: #64748b; }
.nav-right { display: flex; align-items: center; gap: 10px; }

.nav-cta {
  background: var(--red);
  color: #fff;
  padding: 9px 22px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  letter-spacing: .2px;
  transition: filter .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 2px 10px rgba(160,16,16,.22);
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
}
.nav-cta:hover { filter: brightness(1.12); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(198,24,24,.3); }

button.has-dropdown {
  background: none; border: none; font: inherit; cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  padding: 6px 16px; font-size: 14px; font-weight: 500;
  color: #4a5568; border-radius: 6px;
  transition: color .2s, background .2s;
  white-space: nowrap; line-height: 1;
}
.nav-links a:hover, .nav-links button.has-dropdown:hover { color: var(--dark); background: #f7f8fa; }
button.has-dropdown:hover svg { stroke: #64748b; }

.nav-links li { position: relative; }
.nav-links li .dropdown {
  display: none; position: absolute; top: calc(100% + 8px); left: 0;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  min-width: 240px; padding: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.10); z-index: 200;
}
.dropdown > * + * { margin-top: 2px; }
.dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px !important; border-radius: 8px;
  font-size: 14px !important; font-weight: 500 !important;
  color: var(--dark); text-decoration: none;
  transition: background .15s, color .15s; white-space: nowrap; line-height: 2;
}
.dropdown a:hover { background: var(--bg3); color: var(--dark); }

.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; flex-shrink: 0; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: #283030; border-radius: 2px; transition: all .2s; }

/* ── FOOTER ──────────────────────────────────── */
#footer-grid { padding-top: 50px !important; padding-bottom: 50px !important; }
.footer-col-title { font-size: 16px; font-weight: 700; color: #1a202c; letter-spacing: .5px; margin-bottom: 16px; }
.footer-link {
  display: flex; align-items: center; gap: 8px;
  color: #4a5568; text-decoration: none;
  font-size: 15px; padding: 6px 0; transition: color .15s;
}
.footer-link:hover { color: var(--red); }
.footer-mail { color: var(--red); text-decoration: none; font-size: 15px; font-weight: 500; }

/* ── FAQ ─────────────────────────────────────── */
.faq-section { max-width: 1000px !important; margin: 0 auto; }
.faq-card { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; font: inherit;
  padding: 16px 20px; font-size: 16px; font-weight: 500; color: var(--dark);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  gap: 12px; transition: color .15s, background .15s; user-select: none;
}
.faq-q:hover { color: var(--red); }
.faq-chevron { flex-shrink: 0; transition: transform .25s; }
.faq-item.open .faq-chevron { transform: rotate(180deg); stroke: var(--red); }
.faq-a { display: none; padding: 8px 20px 20px 20px; font-size: 15px; color: var(--muted); line-height: 1.9; }
.faq-item.open .faq-a { display: block; }

/* ── KOMBİNE HİZMETLER ──────────────────────── */
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.related-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  text-decoration: none;
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
}
.related-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.08); transform: translateY(-2px); }
.related-icon { width: 56px; height: 56px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.related-icon svg, .related-icon img { filter: grayscale(1); }
.related-text { flex: 1; min-width: 0; }
.related-title { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.related-desc { font-size: 13px; color: var(--muted); }
.related-img { width: 110px; height: 88px; border-radius: 10px; object-fit: cover; flex-shrink: 0; background: var(--bg3); display: block; }

/* ── CTA ─────────────────────────────────────── */
.cta-section {
  background: linear-gradient(180deg, #3d5050 0%, #111a1a 100%);
  padding: 120px 60px;
  text-align: center;
}
.cta-title { font-size: clamp(24px, 3vw, 42px); font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-sub { font-size: 16px; color: rgba(255,255,255,.6); margin-bottom: 32px; }
.cta-section .btn-outline { background: linear-gradient(135deg, #c01515 0%, #7a0a0a 100%); color: #fff; border-color: #a01010; flex: 1; max-width: 220px; white-space: nowrap; text-align: center; padding-left: 20px; padding-right: 20px; }
.cta-section .btn-outline:hover { background: linear-gradient(135deg, #d41818 0%, #8b0e0e 100%) !important; color: #fff !important; border-color: #c01515 !important; }
.btn-cta-inv {
  background: linear-gradient(135deg, #ffffff 0%, #efefef 100%); color: var(--dark);
  padding: 11px 60px; border-radius: 9999px;
  font-size: 16px; font-weight: 500; font-family: 'Inter', sans-serif;
  border: none; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: filter .2s, transform .15s, box-shadow .2s;
}
.btn-cta-inv:hover { filter: brightness(0.96); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,.12); }

/* ── MOBİL ───────────────────────────────────── */
@media (max-width: 1024px) {
  #footer-grid { flex-wrap: wrap !important; gap: 40px 48px !important; }
  #footer-grid > div:first-child { flex: 0 0 100% !important; }
}
@media (max-width: 768px) {
  .nav-inner { flex-wrap: wrap; height: auto !important; padding: 10px 16px !important; }
  .nav-hamburger { display: flex; margin-left: auto; order: 2; }
  .nav-right { display: none !important; }
  .nav-links { display: none; flex-direction: column; width: 100%; background: #ffffff; padding: 8px 0; order: 3; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; display: block; border-bottom: 1px solid #f0f0f0; }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a, .nav-links button.has-dropdown { width: 100% !important; padding: 12px 20px !important; justify-content: flex-start !important; box-sizing: border-box !important; display: flex !important; align-items: center !important; }
  #menu-hizmetler, #menu-kaynaklar { position: static !important; box-shadow: none !important; border: none !important; border-radius: 0 !important; background: #f8f9fa !important; width: 100% !important; min-width: unset !important; }
  #menu-hizmetler a, #menu-kaynaklar a { padding: 10px 32px !important; }
  #footer-grid { flex-direction: column !important; padding: 32px 20px 24px !important; gap: 28px !important; }
  .cta-section { margin: 0 16px; padding: 48px 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-img { display: none; }
  .page-hero-btns .btn-red,
  .page-hero-btns .btn-outline { font-size: 14px; padding: 10px 24px; }
  .page-hero-btns .btn-red .material-symbols-outlined { font-size: 16px; }
  .page-hero-btns .btn-outline svg { width: 16px; height: 16px; }
  .page-hero-btns { flex-direction: column; }
  .page-hero-btns .btn-red,
  .page-hero-btns .btn-outline { width: 100%; justify-content: center; }
}

/* ── NASIL ÇALIŞIR (TİMELINE) ────────────────── */
.tl-track{position:absolute;left:50%;transform:translateX(-50%);top:0;bottom:0;width:1px;background:var(--border);z-index:0;}
.tl-progress{position:absolute;top:0;left:-0.5px;width:2px;height:0;background:var(--red);z-index:1;}
.tl-step{display:grid;grid-template-columns:1fr 60px 1fr;gap:0 36px;align-items:center;margin-bottom:70px;position:relative;z-index:2;}
.tl-step:last-child{margin-bottom:0;}
.tl-content{padding:48px 52px;background:linear-gradient(135deg,#ffffff 0%,#dde2e8 100%);border:1px solid var(--border);border-radius:16px;}
.tl-content.tl-empty{background:transparent;border:none;pointer-events:none;box-shadow:none;}
.tl-card-title{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:10px;letter-spacing:-.3px;}
.tl-card-desc{font-size:15px;color:var(--muted);line-height:1.7;}
.tl-icon-wrap{display:flex;justify-content:center;align-items:center;}
.tl-icon{width:60px;height:60px;border-radius:50%;border:1.5px solid var(--border2);background:#fff;display:flex;align-items:center;justify-content:center;transition:background .35s ease,border-color .35s ease,transform .35s ease;flex-shrink:0;}
.tl-icon.active{background:var(--red);border-color:var(--red);transform:scale(1.08);}
.tl-icon svg{transition:stroke .35s ease;}
.tl-icon.active svg{stroke:#fff !important;}
@media(max-width:640px){
  .tl-track{left:22px;transform:none;}
  .tl-step{grid-template-columns:44px 1fr;gap:0 16px;}
  .tl-step[data-step="1"] .tl-icon-wrap,.tl-step[data-step="3"] .tl-icon-wrap{order:1;}
  .tl-step[data-step="1"] .tl-left,.tl-step[data-step="3"] .tl-left{order:2;}
  .tl-step[data-step="1"] .tl-right.tl-empty,.tl-step[data-step="3"] .tl-right.tl-empty{display:none;}
  .tl-step[data-step="2"] .tl-icon-wrap,.tl-step[data-step="4"] .tl-icon-wrap{order:1;}
  .tl-step[data-step="2"] .tl-right,.tl-step[data-step="4"] .tl-right{order:2;}
  .tl-step[data-step="2"] .tl-left.tl-empty,.tl-step[data-step="4"] .tl-left.tl-empty{display:none;}
}

/* ── MALZEME DETAY SAYFASI ───────────────────── */
.hero-wrap{background:#ffffff;position:relative;}
.hero{max-width:var(--container-width);margin:0 auto;padding:var(--section-pt) 40px 80px;position:relative;z-index:1;display:grid;grid-template-columns:1fr minmax(0,520px);gap:80px;align-items:center;}
.hero-visual{position:relative;}
.hero-img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:16px;display:block;}
.hero-bg-grid{position:absolute;top:0;left:0;right:0;height:50vh;background-image:linear-gradient(rgba(160,16,16,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(160,16,16,.07) 1px,transparent 1px);background-size:48px 48px;z-index:0;-webkit-mask-image:linear-gradient(to bottom,black 30%,transparent 100%);mask-image:linear-gradient(to bottom,black 30%,transparent 100%);}
.hero-bg-glow{position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:700px;height:500px;background:radial-gradient(ellipse at center,rgba(160,16,16,.07) 0%,rgba(255,255,255,0) 65%);z-index:0;pointer-events:none;}
.hero-tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:2px;color:var(--red);margin-bottom:16px;}
.hero-tag::before{content:"";width:20px;height:2px;background:var(--red);}
.content{max-width:var(--container-width);margin:0 auto;padding:60px 40px 80px;}
.alloy-section{padding:56px 0;}
.alloy-divider{border:none;border-top:1px solid var(--border);margin:0;}
.alloy-section-header{display:flex;align-items:baseline;gap:20px;margin-bottom:44px;}
.alloy-num{font-size:11px;font-weight:700;color:var(--red);letter-spacing:2px;flex-shrink:0;}
.alloy-section-name{font-size:26px;font-weight:800;color:var(--dark);letter-spacing:-.5px;margin:0;}
.alloy-section-sub{font-size:15px;font-weight:500;color:var(--muted);margin:0;}
.data-row{display:grid;grid-template-columns:200px 1fr;gap:32px;align-items:start;margin-bottom:32px;}
.data-row:last-child{margin-bottom:0;}
.data-row-label{font-size:11px;font-weight:700;color:var(--muted2);letter-spacing:1.5px;padding-top:4px;}
.spec-row{display:flex;gap:12px;flex-wrap:wrap;}
.spec-card{background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:14px 18px;min-width:130px;}
.spec-key{font-size:11px;font-weight:700;color:var(--muted2);letter-spacing:1px;margin-bottom:6px;}
.spec-val{font-size:16px;font-weight:700;color:var(--dark);letter-spacing:-.3px;}
.grade-tags{display:flex;flex-wrap:wrap;gap:8px;padding-top:2px;}
.grade-tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--dark);background:#fff;border:1px solid var(--border);border-radius:6px;padding:5px 12px;}
.prop-table{border:1px solid var(--border);border-radius:10px;overflow:hidden;}
.prop-grid{display:grid;grid-template-columns:1fr 1fr;}
.prop-col{display:flex;flex-direction:column;}
.prop-col:first-child{border-right:1px solid var(--border);}
.prop-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 20px;border-bottom:1px solid var(--border);}
.prop-row:last-child{border-bottom:none;}
.prop-name{font-size:13.5px;font-weight:600;color:var(--dark);}
.prop-dots{display:inline-flex;gap:5px;flex-shrink:0;}
.prop-dot{width:11px;height:11px;border-radius:50%;background:#dde1e7;}
.prop-dot.on{background:#1a1a2e;}
.why-text{font-size:14px;color:var(--muted);line-height:1.75;max-width:720px;}
.usecase-tags{display:flex;flex-wrap:wrap;gap:8px;}
.usecase-tag{font-size:13px;font-weight:500;color:var(--dark);background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:6px 14px;}
.th-chips{display:flex;flex-wrap:wrap;gap:8px;}
.th-chip{background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600;color:var(--dark);}
.th-chip::after{content:" mm";font-size:11px;font-weight:400;color:var(--muted);}
@media(max-width:960px){.hero{grid-template-columns:1fr;}}
@media(max-width:900px){.data-row{grid-template-columns:1fr;}}
@media(max-width:600px){
  .content{padding:40px 16px 60px;}
  .hero{padding-top:80px;padding-left:16px;padding-right:16px;}
  .spec-card{min-width:calc(50% - 6px);}
  .prop-grid{grid-template-columns:1fr;}
  .prop-col:first-child{border-right:none;border-bottom:1px solid var(--border);}
}