:root {
  --bg:        #0A0C0F;
  --bg2:       #111318;
  --bg3:       #181C22;
  --line:      rgba(255,255,255,0.08);
  --line2:     rgba(255,255,255,0.14);
  --accent:    #C8922A;
  --accent2:   #E8B84B;
  --text:      #E8E6E0;
  --text2:     #9A9690;
  --text3:     #5C5A56;
  --white:     #FFFFFF;
  --mono:      'IBM Plex Mono', monospace;
  --serif:     'Playfair Display', serif;
  --sans:      'IBM Plex Sans', sans-serif;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw;
  height: 64px;
  border-bottom: 1px solid var(--line);
  background: rgba(10,12,15,0.92);
  backdrop-filter: blur(12px);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--white);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex; align-items: center; gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent2); }
.lang-toggle {
  display: flex; gap: 4px;
  background: var(--bg3);
  border-radius: 4px;
  padding: 3px;
  border: 1px solid var(--line2);
}
.lang-btn {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  background: transparent;
  color: var(--text3);
  transition: all 0.2s;
}
.lang-btn.active {
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}
@media (max-width: 768px) { .nav-links { display: none; } }

/* ── SECTIONS ── */
section { position: relative; z-index: 1; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 5vw 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid-line {
  position: absolute; top: 0; bottom: 0;
  width: 1px; background: var(--line);
}
.hero-grid-line:nth-child(1) { left: 25%; }
.hero-grid-line:nth-child(2) { left: 50%; }
.hero-grid-line:nth-child(3) { left: 75%; }
.hero-inner { max-width: 820px; position: relative; z-index: 2; }
.hero-eyebrow {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 32px;
}
.eyebrow-line { width: 40px; height: 1px; background: var(--accent); }
.eyebrow-text {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero-name {
  font-family: var(--serif);
  font-size: clamp(52px, 7vw, 96px);
  line-height: 1.0;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.hero-name em { font-style: italic; color: var(--accent); }
.hero-title {
  font-family: var(--mono);
  font-size: clamp(12px, 1.5vw, 15px);
  letter-spacing: 0.08em;
  color: var(--text2);
  text-transform: uppercase;
  margin-bottom: 40px;
}
.hero-lead {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.65;
  color: var(--text);
  max-width: 600px;
  margin-bottom: 56px;
  font-weight: 300;
}
.hero-stats {
  display: flex; gap: 48px;
  margin-bottom: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.stat-num {
  font-family: var(--serif);
  font-size: 42px;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-num span { color: var(--accent); font-style: italic; }
.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text3);
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  border: none; cursor: pointer;
  transition: all 0.2s;
}
.btn-primary:hover { background: var(--accent2); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  background: transparent;
  color: var(--text2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  border: 1px solid var(--line2);
  transition: all 0.2s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ── SECTION HEADER ── */
.section-header {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 64px;
  padding: 0 5vw;
}
.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
}
.section-rule { flex: 1; height: 1px; background: var(--line); }
.section-title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* ── ABOUT ── */
#about { padding: 120px 0; border-top: 1px solid var(--line); }
.about-inner { padding: 0 5vw; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; gap: 48px; } }
.about-text p {
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-text p strong { color: var(--white); font-weight: 500; }
.sidebar-block {
  border: 1px solid var(--line);
  padding: 28px;
  margin-bottom: 16px;
  position: relative;
}
.sidebar-block::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
}
.sidebar-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.sidebar-val {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--white);
  line-height: 1.3;
}
.sidebar-sub { font-size: 13px; color: var(--text2); margin-top: 4px; }
.sector-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text2);
  border: 1px solid var(--line2);
  padding: 4px 10px;
}

/* ── MATURITY ── */
#maturity { padding: 120px 0; border-top: 1px solid var(--line); background: var(--bg2); }
.maturity-inner {
  padding: 0 5vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 860px) { .maturity-inner { grid-template-columns: 1fr; } }
.maturity-text p {
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.maturity-levels { display: flex; flex-direction: column; gap: 10px; }
.level-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  background: var(--bg3);
  transition: border-color 0.2s;
}
.level-row:hover { border-color: var(--line2); }
.level-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.level-name {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text2);
  flex: 1;
}
.level-badge {
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 8px;
  letter-spacing: 0.06em;
}
.download-card {
  margin-top: 32px;
  border: 1px solid var(--accent);
  padding: 24px 28px;
  display: flex; align-items: center; gap: 20px;
  text-decoration: none;
  transition: background 0.2s;
}
.download-card:hover { background: rgba(200,146,42,0.06); }
.dl-icon { font-size: 32px; flex-shrink: 0; }
.dl-title {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--white);
  margin-bottom: 4px;
}
.dl-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}
.cta-box {
  margin-top: 32px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--bg3);
}

/* ── BLOG ── */
#blog { padding: 120px 0; border-top: 1px solid var(--line); }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}
@media (max-width: 1024px) { .blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px)  { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--bg);
  padding: 36px 32px;
  text-decoration: none;
  display: flex; flex-direction: column;
  transition: background 0.2s;
  cursor: pointer;
}
.blog-card:hover { background: var(--bg3); }
.blog-card-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.blog-cat {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 3px 8px;
}
.blog-date {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 0.06em;
}
.blog-card-title {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--white);
  line-height: 1.35;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.blog-card-excerpt {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 24px;
}
.blog-card-read {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex; align-items: center; gap: 6px;
}
.blog-card-read::after { content: '→'; transition: transform 0.2s; }
.blog-card:hover .blog-card-read::after { transform: translateX(4px); }

/* ── BLOG POST PAGE ── */
.post-hero {
  padding: 140px 5vw 80px;
  border-bottom: 1px solid var(--line);
  max-width: 860px;
  margin: 0 auto;
}
.post-meta {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 32px;
}
.post-back {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  text-decoration: none;
  display: flex; align-items: center; gap: 6px;
  transition: color 0.2s;
}
.post-back:hover { color: var(--accent); }
.post-title {
  font-family: var(--serif);
  font-size: clamp(32px, 5vw, 56px);
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.post-lead {
  font-size: 18px;
  color: var(--text2);
  line-height: 1.75;
  max-width: 680px;
}
.post-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 80px 5vw 120px;
}
.post-body h2 {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--white);
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}
.post-body h3 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin: 32px 0 12px;
}
.post-body p {
  font-size: 16px;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 20px;
}
.post-body strong { color: var(--white); font-weight: 500; }
.post-body ul, .post-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.post-body li {
  font-size: 16px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 8px;
}
.post-body blockquote {
  border-left: 2px solid var(--accent);
  padding: 16px 24px;
  margin: 32px 0;
  background: var(--bg3);
}
.post-body blockquote p {
  font-family: var(--serif);
  font-size: 18px;
  font-style: italic;
  color: var(--text2);
  margin: 0;
}
.post-cta {
  margin-top: 64px;
  padding: 40px;
  border: 1px solid var(--accent);
  background: rgba(200,146,42,0.04);
}
.post-cta-title {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--white);
  margin-bottom: 12px;
}
.post-cta p { font-size: 15px; color: var(--text2); margin-bottom: 20px; }

/* ── CONTACT ── */
#contact { padding: 120px 0; border-top: 1px solid var(--line); background: var(--bg2); }
.contact-inner {
  padding: 0 5vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
@media (max-width: 860px) { .contact-inner { grid-template-columns: 1fr; } }
.contact-info p {
  color: var(--text2);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 40px;
  margin-top: 24px;
}
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 0.2s;
}
.contact-link:hover { border-color: var(--accent); }
.contact-link-icon { font-size: 18px; width: 24px; text-align: center; flex-shrink: 0; }
.contact-link-text { font-size: 14px; color: var(--text); }
.contact-link-sub {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 0.06em;
  margin-left: auto;
  text-transform: uppercase;
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
}
.form-input, .form-select, .form-textarea {
  background: var(--bg3);
  border: 1px solid var(--line2);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit {
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 16px;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 8px;
}
.form-submit:hover { background: var(--accent2); }
.form-status {
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  display: none;
}
.form-status.success { background: rgba(91,168,90,0.1); border: 1px solid #5BA85A; color: #5BA85A; }
.form-status.error   { background: rgba(217,83,79,0.1); border: 1px solid #D9534F; color: #D9534F; }

/* ── FOOTER ── */
footer {
  padding: 32px 5vw;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-brand { font-family: var(--serif); font-size: 15px; color: var(--text2); }
.footer-brand span { color: var(--accent); }
.footer-copy {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text3);
  text-transform: uppercase;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.7s ease both; }
.d1 { animation-delay: 0.1s; }
.d2 { animation-delay: 0.25s; }
.d3 { animation-delay: 0.4s; }
.d4 { animation-delay: 0.55s; }
.d5 { animation-delay: 0.7s; }

/* ── LANG ── */
html[data-lang="en"] [data-tr] { display: none !important; }
html[data-lang="tr"] [data-en] { display: none !important; }