/* ============================================================
   DFN ENERJİ — PRO WIDGETS CSS v2.0
   Design: Industrial Energy / Mission Control
   Primary : #f97316  |  Dark BG: #030a12  |  Surface: #0a1728
   Fonts   : Bebas Neue (display) / Syne (heading) / DM Sans (body)
   ============================================================ */

/* ── TOKENS ── */
:root {
  --dfn:        #f97316;
  --dfn2:       #ff8c38;
  --dfn3:       #ea6c0a;
  --dfn-bg:     #030a12;
  --dfn-bg2:    #05111f;
  --dfn-bg3:    #070f1a;
  --dfn-surf:   #0a1728;
  --dfn-surf2:  #0d1f33;
  --dfn-border: rgba(249,115,22,.15);
  --dfn-bordm:  rgba(249,115,22,.28);
  --dfn-white:  #ffffff;
  --dfn-g1:     #e2e8f0;
  --dfn-g2:     #94a3b8;
  --dfn-g3:     #4a5f72;
  --dfn-head:   'Bebas Neue', cursive;
  --dfn-head2:  'Syne', sans-serif;
  --dfn-body:   'DM Sans', sans-serif;
  /* Gradient helpers */
  --dfn-grad:   linear-gradient(135deg, #f97316, #ff6b00);
  --dfn-glow:   radial-gradient(circle, rgba(249,115,22,.14) 0%, transparent 60%);
}

/* ── RESET ── */
.dfn-section *,
.dfn-section *::before,
.dfn-section *::after { box-sizing: border-box; }

/* ── NOISE TEXTURE (global site) ── */
.dfn-noise-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: .025;
}

/* ═══════════════════════════════════════════
   LAYOUT HELPERS
═══════════════════════════════════════════ */
.dfn-section     { padding: 120px 0; position: relative; overflow: hidden; }
.dfn-section-sm  { padding: 80px 0; position: relative; overflow: hidden; }
.dfn-wrap        { max-width: 1260px; margin: 0 auto; padding: 0 48px; }

/* Label badge */
.dfn-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--dfn-body); font-size: 10px; font-weight: 600;
  letter-spacing: .25em; text-transform: uppercase; color: var(--dfn);
  padding: 6px 14px; border: 1px solid var(--dfn-border); border-radius: 2px;
  background: rgba(249,115,22,.07); margin-bottom: 20px;
}
.dfn-label::before {
  content: ''; width: 6px; height: 6px; background: var(--dfn);
  border-radius: 50%; display: block; flex-shrink: 0;
  animation: dfn-pulse-dot 2s infinite;
}
@keyframes dfn-pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .3; transform: scale(.5); }
}

/* H2 */
.dfn-h2 {
  font-family: var(--dfn-head); font-size: clamp(48px,5.5vw,74px);
  letter-spacing: .02em; line-height: .93; text-transform: uppercase;
  color: var(--dfn-white); margin-bottom: 16px;
}
.dfn-h2 em { color: var(--dfn); font-style: normal; }

/* Divider */
.dfn-divider { width: 52px; height: 3px; background: var(--dfn); border-radius: 2px; margin: 20px 0; }

/* Body text */
.dfn-desc { font-family: var(--dfn-body); font-size: 17px; color: var(--dfn-g2); line-height: 1.72; }

/* ── BUTTON ── */
.dfn-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--dfn-body); font-size: 12px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; text-decoration: none;
  padding: 14px 32px; border-radius: 4px; border: 1.5px solid transparent;
  cursor: pointer; transition: all .25s ease; white-space: nowrap;
}
.dfn-btn-primary { background: var(--dfn); color: #fff; border-color: var(--dfn); }
.dfn-btn-primary:hover {
  background: var(--dfn3); border-color: var(--dfn3);
  transform: translateY(-2px); box-shadow: 0 12px 32px rgba(249,115,22,.42);
}
.dfn-btn-outline { background: transparent; color: var(--dfn); border-color: var(--dfn); }
.dfn-btn-outline:hover { background: var(--dfn); color: #fff; transform: translateY(-2px); }
.dfn-btn-white   { background: #fff; color: var(--dfn-bg); border-color: #fff; }
.dfn-btn-white:hover { background: transparent; color: #fff; }
.dfn-btn-ghost   { background: rgba(249,115,22,.08); color: var(--dfn); border-color: var(--dfn-border); }
.dfn-btn-ghost:hover { background: var(--dfn); color: #fff; }

/* ── CHECKLIST ── */
.dfn-check-list {
  list-style: none; display: flex; flex-direction: column; gap: 12px;
  margin: 24px 0 32px;
}
.dfn-check-list li {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--dfn-body); font-size: 15px; color: var(--dfn-g1); font-weight: 500;
}
.dfn-check-list li::before {
  content: '';
  width: 20px; height: 20px; background: var(--dfn); border-radius: 50%;
  display: grid; place-items: center; flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4l2.5 2.5L9 1' stroke='white' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 10px; background-repeat: no-repeat; background-position: center;
}

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.dfn-hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: var(--dfn-bg);
}
/* Grid mesh */
.dfn-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(249,115,22,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,.05) 1px, transparent 1px);
  background-size: 48px 48px;
}
/* Top-right glow */
.dfn-hero::after {
  content: ''; position: absolute; top: -15%; right: -8%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(249,115,22,.15) 0%, transparent 60%);
  pointer-events: none;
}
/* CRT scanlines */
.dfn-hero-scan {
  position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(249,115,22,.018) 2px, rgba(249,115,22,.018) 4px
  );
}
/* BG deco text */
.dfn-hero-deco {
  position: absolute; bottom: -6%; right: -3%;
  font-family: var(--dfn-head); font-size: min(28vw, 400px);
  letter-spacing: -.02em; color: rgba(249,115,22,.028);
  user-select: none; white-space: nowrap; line-height: 1;
  pointer-events: none;
}
/* Bottom-left glow */
.dfn-hero-glow-bl {
  position: absolute; bottom: -20%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,.07) 0%, transparent 60%);
  pointer-events: none;
}
.dfn-hero-inner {
  position: relative; z-index: 2; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 80px; padding: 80px 0;
}
/* Hero left */
.dfn-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--dfn-body); font-size: 10px; font-weight: 600;
  letter-spacing: .25em; text-transform: uppercase; color: var(--dfn);
  padding: 6px 14px; border: 1px solid var(--dfn-border); border-radius: 2px;
  background: rgba(249,115,22,.07); margin-bottom: 28px;
  animation: dfn-hero-in .6s ease .2s both;
}
.dfn-hero-badge::before {
  content: ''; width: 6px; height: 6px; background: var(--dfn);
  border-radius: 50%; animation: dfn-pulse-dot 2s infinite;
}
.dfn-hero-h1 {
  font-family: var(--dfn-head);
  font-size: clamp(64px, 7vw, 96px);
  letter-spacing: .02em; line-height: .9;
  text-transform: uppercase; color: var(--dfn-white); margin-bottom: 24px;
  animation: dfn-hero-in .7s ease .35s both;
}
.dfn-hero-h1 em {
  color: transparent; font-style: normal;
  -webkit-text-stroke: 2px var(--dfn);
}
.dfn-hero-desc {
  font-family: var(--dfn-body); font-size: 17px; color: var(--dfn-g2);
  line-height: 1.7; max-width: 460px; margin-bottom: 36px;
  animation: dfn-hero-in .7s ease .5s both;
}
.dfn-hero-btns {
  display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px;
  animation: dfn-hero-in .7s ease .65s both;
}
.dfn-hero-chips {
  display: flex; gap: 12px; flex-wrap: wrap;
  animation: dfn-hero-in .7s ease .8s both;
}
.dfn-chip {
  display: flex; align-items: center; gap: 10px;
  background: var(--dfn-surf); border: 1px solid var(--dfn-border);
  padding: 10px 16px; border-radius: 4px;
  transition: border-color .2s;
}
.dfn-chip:hover { border-color: var(--dfn-bordm); }
.dfn-chip .abbr {
  font-family: var(--dfn-head); font-size: 22px; color: var(--dfn); line-height: 1;
}
.dfn-chip .lines { font-family: var(--dfn-body); font-size: 11px; color: var(--dfn-g2); line-height: 1.4; font-weight: 500; }
.dfn-chip .lines strong { color: var(--dfn-g1); display: block; }

/* Hero right — stat grid */
.dfn-hero-right { animation: dfn-hero-in .8s ease .5s both; }
.dfn-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dfn-stat-card {
  background: var(--dfn-surf); border: 1px solid var(--dfn-border);
  border-radius: 8px; padding: 24px; position: relative; overflow: hidden;
  transition: border-color .3s, transform .3s;
}
.dfn-stat-card:hover { border-color: var(--dfn-bordm); transform: translateY(-3px); }
.dfn-stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--dfn), transparent);
}
.dfn-stat-card.wide { grid-column: 1 / -1; display: flex; align-items: center; gap: 32px; }
.dfn-stat-num {
  font-family: var(--dfn-head); font-size: 52px; letter-spacing: -.01em;
  color: var(--dfn); line-height: 1;
}
.dfn-stat-lbl {
  font-family: var(--dfn-body); font-size: 12px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: var(--dfn-g2); margin-top: 4px;
}
.dfn-stat-side {
  font-family: var(--dfn-body); font-size: 14px; color: var(--dfn-g3);
  line-height: 1.6; border-left: 2px solid var(--dfn-border); padding-left: 20px; flex: 1;
}
.dfn-stat-icon { font-size: 28px; margin-bottom: 8px; display: block; }

@keyframes dfn-hero-in {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   HAKKIMIZDA
═══════════════════════════════════════════ */
.dfn-about { background: var(--dfn-bg2); }
.dfn-about::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--dfn-border), transparent);
}
.dfn-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

/* Visual cluster */
.dfn-about-visual { position: relative; padding-bottom: 36px; }
.dfn-pulse-card {
  position: absolute; top: -16px; left: 20px; z-index: 5;
  display: flex; align-items: center; gap: 10px;
  background: var(--dfn-surf2); border: 1px solid var(--dfn-bordm);
  padding: 8px 16px; border-radius: 4px;
  font-family: var(--dfn-body); font-size: 12px; font-weight: 600; color: var(--dfn-g1);
}
.dfn-pulse-dot {
  width: 8px; height: 8px; background: var(--dfn); border-radius: 50%;
  animation: dfn-pulse-live 1.5s infinite;
}
@keyframes dfn-pulse-live {
  0%  { box-shadow: 0 0 0 0 rgba(249,115,22,.6); }
  70% { box-shadow: 0 0 0 8px rgba(249,115,22,0); }
  100%{ box-shadow: 0 0 0 0 rgba(249,115,22,0); }
}
.dfn-img-frame {
  position: relative; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--dfn-border);
}
.dfn-img-frame.big { aspect-ratio: 4/3; background: linear-gradient(145deg, var(--dfn-surf), var(--dfn-surf2)); }
.dfn-img-frame.big img { width: 100%; height: 100%; object-fit: cover; }
.dfn-img-frame.small {
  position: absolute; bottom: -28px; right: -28px; width: 52%; aspect-ratio: 4/3;
  background: linear-gradient(145deg, var(--dfn-surf2), var(--dfn-bg3));
}
.dfn-img-frame.small img { width: 100%; height: 100%; object-fit: cover; }
.dfn-img-placeholder {
  width: 100%; height: 100%; min-height: 180px;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 12px;
}
.dfn-img-placeholder .dfn-ph-icon { font-size: 48px; opacity: .18; }
.dfn-img-placeholder .dfn-ph-txt {
  font-family: var(--dfn-body); font-size: 10px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--dfn-g3);
}
.dfn-corner { position: absolute; width: 20px; height: 20px; }
.dfn-corner.tl { top: 0; left: 0; border-top: 2px solid var(--dfn); border-left: 2px solid var(--dfn); }
.dfn-corner.br { bottom: 0; right: 0; border-bottom: 2px solid var(--dfn); border-right: 2px solid var(--dfn); }
.dfn-frame-tag {
  position: absolute; bottom: 12px; left: 12px;
  background: rgba(3,10,18,.82); backdrop-filter: blur(8px);
  border: 1px solid var(--dfn-border); border-radius: 2px;
  font-family: var(--dfn-body); font-size: 10px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--dfn-g1); padding: 5px 10px;
}
.dfn-float-badge {
  position: absolute; top: 20px; right: -20px;
  background: var(--dfn); color: #fff;
  padding: 14px 20px; border-radius: 6px; text-align: center;
  box-shadow: 0 12px 40px rgba(249,115,22,.5);
}
.dfn-float-badge .fn { font-family: var(--dfn-head); font-size: 38px; line-height: 1; }
.dfn-float-badge .ft { font-family: var(--dfn-body); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; opacity: .85; line-height: 1.3; }

/* Tabs */
.dfn-tabs-nav {
  display: flex; gap: 0; border-bottom: 1px solid var(--dfn-border); margin: 28px 0 24px;
}
.dfn-tab-btn {
  font-family: var(--dfn-body); font-size: 13px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--dfn-g3); padding: 12px 20px;
  border: none; background: transparent; cursor: pointer; position: relative; transition: color .2s;
}
.dfn-tab-btn.active { color: var(--dfn); }
.dfn-tab-btn.active::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px; background: var(--dfn);
}
.dfn-tab-body { display: none; font-family: var(--dfn-body); font-size: 16px; color: var(--dfn-g2); line-height: 1.7; }
.dfn-tab-body.active { display: block; animation: dfn-tab-in .3s ease; }
@keyframes dfn-tab-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ═══════════════════════════════════════════
   HİZMETLER
═══════════════════════════════════════════ */
.dfn-svc-wrap { background: var(--dfn-bg3); }
.dfn-svc-wrap::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(249,115,22,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.dfn-svc-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2px; background: var(--dfn-border);
  border: 1px solid var(--dfn-border); border-radius: 8px; overflow: hidden;
  margin-top: 64px;
}
.dfn-svc-card {
  background: var(--dfn-bg3); padding: 40px 32px;
  position: relative; overflow: hidden;
  transition: background .3s;
}
.dfn-svc-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--dfn); transform: scaleX(0); transform-origin: left;
  transition: transform .4s ease;
}
.dfn-svc-card:hover { background: var(--dfn-surf); }
.dfn-svc-card:hover::before { transform: scaleX(1); }
.dfn-svc-num {
  font-family: var(--dfn-head); font-size: 64px; letter-spacing: -.02em;
  color: rgba(249,115,22,.08); position: absolute; top: 16px; right: 20px;
  line-height: 1; transition: color .3s; pointer-events: none;
}
.dfn-svc-card:hover .dfn-svc-num { color: rgba(249,115,22,.14); }
.dfn-svc-icon-wrap {
  width: 56px; height: 56px; background: rgba(249,115,22,.1);
  border: 1px solid var(--dfn-border); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
  transition: background .3s, border-color .3s;
}
.dfn-svc-card:hover .dfn-svc-icon-wrap { background: rgba(249,115,22,.2); border-color: var(--dfn-bordm); }
.dfn-svc-title {
  font-family: var(--dfn-head2); font-size: 20px; font-weight: 700;
  color: var(--dfn-white); margin-bottom: 12px; line-height: 1.2;
}
.dfn-svc-desc {
  font-family: var(--dfn-body); font-size: 14px; color: var(--dfn-g2);
  line-height: 1.65; margin-bottom: 20px;
}
.dfn-svc-feats {
  list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px;
}
.dfn-svc-feats li {
  font-family: var(--dfn-body); font-size: 13px; color: var(--dfn-g3);
  display: flex; align-items: center; gap: 8px; transition: color .2s;
}
.dfn-svc-card:hover .dfn-svc-feats li { color: var(--dfn-g2); }
.dfn-svc-feats li::before { content: '—'; color: var(--dfn); font-weight: 900; }
.dfn-svc-link {
  font-family: var(--dfn-body); font-size: 12px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--dfn); display: flex; align-items: center; gap: 8px;
  text-decoration: none; transition: gap .2s;
}
.dfn-svc-card:hover .dfn-svc-link { gap: 14px; }

/* ═══════════════════════════════════════════
   RAKAMLAR (STATS BAR)
═══════════════════════════════════════════ */
.dfn-stats-bar {
  background: var(--dfn); padding: 64px 0; position: relative; overflow: hidden;
}
.dfn-stats-bar::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 40px 40px;
}
.dfn-stats-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  position: relative; z-index: 1;
}
.dfn-stats-item {
  text-align: center; padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,.2);
}
.dfn-stats-item:last-child { border: none; }
.dfn-stats-big {
  font-family: var(--dfn-head); font-size: clamp(52px, 5vw, 72px);
  letter-spacing: .02em; color: #fff; line-height: 1; margin-bottom: 6px;
}
.dfn-stats-lbl {
  font-family: var(--dfn-body); font-size: 13px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.75);
}

/* ═══════════════════════════════════════════
   PROJELER
═══════════════════════════════════════════ */
.dfn-proj-wrap { background: var(--dfn-bg2); }
.dfn-proj-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 48px; flex-wrap: wrap; gap: 20px; }
.dfn-proj-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.dfn-proj-filter {
  font-family: var(--dfn-body); font-size: 11px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--dfn-g3); padding: 8px 18px;
  border: 1px solid var(--dfn-border); border-radius: 2px;
  background: transparent; cursor: pointer; transition: all .2s;
}
.dfn-proj-filter.active, .dfn-proj-filter:hover {
  color: var(--dfn); border-color: var(--dfn); background: rgba(249,115,22,.07);
}
.dfn-proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dfn-proj-card {
  background: var(--dfn-surf); border: 1px solid var(--dfn-border); border-radius: 8px;
  overflow: hidden; position: relative; cursor: pointer;
  transition: transform .3s, box-shadow .3s;
}
.dfn-proj-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,.55); }
.dfn-proj-img {
  aspect-ratio: 16/10; background: var(--dfn-bg3);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; opacity: .3; position: relative; overflow: hidden;
}
.dfn-proj-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, var(--dfn-surf) 0%, transparent 50%);
}
.dfn-proj-img img { width: 100%; height: 100%; object-fit: cover; opacity: 1; }
.dfn-proj-overlay {
  position: absolute; inset: 0;
  background: rgba(249,115,22,.9);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .3s;
  font-family: var(--dfn-head); font-size: 18px; letter-spacing: .1em; color: #fff;
}
.dfn-proj-card:hover .dfn-proj-overlay { opacity: 1; }
.dfn-proj-info { padding: 24px; }
.dfn-proj-tag {
  font-family: var(--dfn-body); font-size: 10px; font-weight: 600;
  letter-spacing: .15em; text-transform: uppercase; color: var(--dfn); margin-bottom: 8px;
}
.dfn-proj-title {
  font-family: var(--dfn-head2); font-size: 18px; font-weight: 700;
  color: var(--dfn-white); margin-bottom: 8px; line-height: 1.3;
}
.dfn-proj-meta {
  font-family: var(--dfn-body); font-size: 13px; color: var(--dfn-g3);
  display: flex; gap: 16px; flex-wrap: wrap;
}
.dfn-proj-cap { color: var(--dfn); font-weight: 600; }

/* ═══════════════════════════════════════════
   NEDEN BİZ
═══════════════════════════════════════════ */
.dfn-why-wrap { background: var(--dfn-bg3); overflow: hidden; }
.dfn-why-wrap::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--dfn-border), transparent);
}
.dfn-why-head-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; margin-bottom: 72px; }
.dfn-why-big-stat {
  font-family: var(--dfn-head); font-size: clamp(80px, 10vw, 140px);
  color: transparent; -webkit-text-stroke: 2px var(--dfn);
  line-height: .9; opacity: .8;
}
.dfn-why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dfn-why-card {
  background: var(--dfn-surf); border: 1px solid var(--dfn-border);
  border-radius: 8px; padding: 32px; position: relative; overflow: hidden;
  transition: border-color .3s, transform .3s;
}
.dfn-why-card:hover { border-color: var(--dfn-bordm); transform: translateY(-4px); }
.dfn-why-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--dfn); transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.dfn-why-card:hover::after { transform: scaleX(1); }
.dfn-why-icon {
  width: 52px; height: 52px; background: rgba(249,115,22,.1);
  border: 1px solid var(--dfn-border); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 20px;
}
.dfn-why-title {
  font-family: var(--dfn-head2); font-size: 17px; font-weight: 700;
  color: var(--dfn-white); margin-bottom: 10px;
}
.dfn-why-desc { font-family: var(--dfn-body); font-size: 14px; color: var(--dfn-g2); line-height: 1.65; }

/* ═══════════════════════════════════════════
   CTA
═══════════════════════════════════════════ */
.dfn-cta-band {
  background: var(--dfn-bg2); padding: 100px 0;
  position: relative; overflow: hidden;
}
.dfn-cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(249,115,22,.09) 0%, transparent 70%);
}
.dfn-cta-inner { position: relative; z-index: 1; text-align: center; }
.dfn-cta-title {
  font-family: var(--dfn-head); font-size: clamp(48px, 6vw, 80px);
  text-transform: uppercase; color: var(--dfn-white); line-height: .95;
  margin-bottom: 24px; letter-spacing: .02em;
}
.dfn-cta-title em { color: var(--dfn); font-style: normal; display: block; }
.dfn-cta-sub {
  font-family: var(--dfn-body); font-size: 17px; color: var(--dfn-g2);
  max-width: 540px; margin: 0 auto 40px; line-height: 1.7;
}
.dfn-cta-features {
  display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; margin-bottom: 48px;
}
.dfn-cta-feat {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--dfn-body); font-size: 14px; font-weight: 500; color: var(--dfn-g1);
}
.dfn-cta-feat::before {
  content: ''; width: 22px; height: 22px; background: var(--dfn); color: #fff;
  border-radius: 50%; display: grid; place-items: center;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4l2.5 2.5L9 1' stroke='white' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 10px; background-repeat: no-repeat; background-position: center;
  flex-shrink: 0;
}
.dfn-cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ═══════════════════════════════════════════
   İLETİŞİM
═══════════════════════════════════════════ */
.dfn-contact-wrap { background: var(--dfn-bg); }
.dfn-contact-wrap::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(249,115,22,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.dfn-contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; position: relative; z-index: 1; }
.dfn-contact-h2 {
  font-family: var(--dfn-head); font-size: clamp(42px, 4.5vw, 62px);
  text-transform: uppercase; color: var(--dfn-white); line-height: .95;
  margin-bottom: 20px; letter-spacing: .02em;
}
.dfn-contact-h2 em { color: var(--dfn); font-style: normal; display: block; }
.dfn-contact-items { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }
.dfn-ci { display: flex; gap: 16px; align-items: flex-start; }
.dfn-ci-icon {
  width: 44px; height: 44px; background: rgba(249,115,22,.1);
  border: 1px solid var(--dfn-border); border-radius: 6px;
  display: grid; place-items: center; font-size: 18px; flex-shrink: 0;
}
.dfn-ci-body { flex: 1; }
.dfn-ci-lbl {
  font-family: var(--dfn-body); font-size: 10px; font-weight: 600;
  letter-spacing: .15em; text-transform: uppercase; color: var(--dfn-g3); margin-bottom: 4px;
}
.dfn-ci-val {
  font-family: var(--dfn-body); font-size: 15px; font-weight: 500; color: var(--dfn-g1); line-height: 1.5;
}
.dfn-ci-val a { color: var(--dfn); text-decoration: none; transition: opacity .2s; }
.dfn-ci-val a:hover { opacity: .7; }

/* Form */
.dfn-form-box {
  background: var(--dfn-surf); border: 1px solid var(--dfn-border);
  border-radius: 10px; padding: 40px;
}
.dfn-form-title {
  font-family: var(--dfn-head2); font-size: 22px; font-weight: 700;
  color: var(--dfn-white); margin-bottom: 8px;
}
.dfn-form-sub { font-family: var(--dfn-body); font-size: 14px; color: var(--dfn-g3); margin-bottom: 28px; }
.dfn-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dfn-form-col { grid-column: 1 / -1; }
.dfn-field-label {
  display: block; font-family: var(--dfn-body); font-size: 11px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: var(--dfn-g3); margin-bottom: 8px;
}
.dfn-field-label span { color: var(--dfn); }
.dfn-field {
  width: 100%; background: var(--dfn-bg2); border: 1px solid var(--dfn-border);
  border-radius: 6px; padding: 14px 18px;
  font-family: var(--dfn-body); font-size: 15px; color: var(--dfn-g1);
  transition: border-color .2s, box-shadow .2s; outline: none;
}
.dfn-field:focus { border-color: var(--dfn); box-shadow: 0 0 0 3px rgba(249,115,22,.12); }
.dfn-field::placeholder { color: var(--dfn-g3); }
select.dfn-field { appearance: none; cursor: pointer; }
textarea.dfn-field { resize: vertical; min-height: 120px; }
.dfn-form-btn {
  width: 100%; padding: 16px; justify-content: center; margin-top: 4px;
  font-size: 13px;
}
.dfn-form-success {
  display: none; background: rgba(249,115,22,.12); border: 1px solid var(--dfn-border);
  border-radius: 6px; padding: 16px; text-align: center;
  font-family: var(--dfn-body); font-weight: 600; color: var(--dfn); margin-top: 12px;
}
.dfn-form-success.visible { display: block; animation: dfn-tab-in .4s ease; }

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .dfn-hero-inner    { grid-template-columns: 1fr; }
  .dfn-hero-right    { display: none; }
  .dfn-about-grid    { grid-template-columns: 1fr; }
  .dfn-svc-grid      { grid-template-columns: repeat(2,1fr); }
  .dfn-why-head-wrap { grid-template-columns: 1fr; }
  .dfn-why-grid      { grid-template-columns: repeat(2,1fr); }
  .dfn-contact-grid  { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .dfn-wrap          { padding: 0 24px; }
  .dfn-section       { padding: 80px 0; }
  .dfn-svc-grid      { grid-template-columns: 1fr; }
  .dfn-proj-grid     { grid-template-columns: 1fr; }
  .dfn-stats-grid    { grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(255,255,255,.2); }
  .dfn-stats-item    { border: none; border-top: 1px solid rgba(255,255,255,.2); padding: 24px 16px; }
  .dfn-why-grid      { grid-template-columns: 1fr; }
  .dfn-form-grid     { grid-template-columns: 1fr; }
  .dfn-cta-features  { flex-direction: column; align-items: center; }
}

/* ═══════════════════════════════════════════
   ÜRÜN KATALOĞU (Aydınlatma / Jeneratörler / LED)
   Added in v2.1
═══════════════════════════════════════════ */
.dfn-urun-wrap { background: var(--dfn-bg2); }

.dfn-urun-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 52px; gap: 40px; flex-wrap: wrap;
}

/* ─── TAB NAV ─── */
.dfn-urun-tab-nav {
  display: flex; gap: 8px; flex-wrap: wrap;
  border-bottom: 1px solid var(--dfn-border);
  margin-bottom: 40px; padding-bottom: 0;
}
.dfn-urun-tab-btn {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--dfn-body); font-size: 13px; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--dfn-g3); padding: 14px 24px;
  border: none; background: transparent; cursor: pointer;
  position: relative; border-radius: 6px 6px 0 0;
  transition: color .2s, background .2s;
}
.dfn-urun-tab-btn:hover { color: var(--dfn-g1); background: rgba(249,115,22,.05); }
.dfn-urun-tab-btn.active { color: var(--dfn); background: rgba(249,115,22,.07); }
.dfn-urun-tab-btn.active::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px; background: var(--dfn);
}
.utn-icon { font-size: 18px; }
.utn-count {
  font-family: var(--dfn-body); font-size: 10px; font-weight: 700;
  background: rgba(249,115,22,.15); color: var(--dfn);
  border-radius: 20px; padding: 2px 8px; min-width: 20px; text-align: center;
}
.dfn-urun-tab-btn.active .utn-count { background: var(--dfn); color: #fff; }

/* ─── PANEL ─── */
.dfn-urun-panel { display: none; animation: dfn-tab-in .35s ease; }
.dfn-urun-panel.active { display: block; }

/* ─── CAT BAND ─── */
.dfn-urun-cat-band {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  background: var(--dfn-surf); border: 1px solid var(--dfn-border);
  border-radius: 8px; padding: 24px 32px; margin-bottom: 28px;
}
.dfn-urun-cat-band > div {
  display: flex; align-items: center; gap: 20px; flex: 1; min-width: 0;
}
.dfn-urun-cat-icon {
  font-size: 40px; flex-shrink: 0;
  width: 64px; height: 64px;
  background: rgba(249,115,22,.08); border: 1px solid var(--dfn-border);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
}
.dfn-urun-cat-info h3 {
  font-family: var(--dfn-head2); font-size: 20px; font-weight: 700;
  color: var(--dfn-white); margin-bottom: 4px;
}
.dfn-urun-cat-info p {
  font-family: var(--dfn-body); font-size: 14px; color: var(--dfn-g2); line-height: 1.6;
  max-width: 540px;
}

/* ─── ÜRÜN GRID ─── */
.dfn-urun-grid   { display: grid; gap: 20px; }
.dfn-urun-grid-3 { grid-template-columns: repeat(3, 1fr); }
.dfn-urun-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ─── ÜRÜN KARTI ─── */
.dfn-urun-card {
  background: var(--dfn-surf); border: 1px solid var(--dfn-border);
  border-radius: 8px; overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.dfn-urun-card:hover {
  transform: translateY(-5px);
  border-color: var(--dfn-bordm);
  box-shadow: 0 20px 50px rgba(0,0,0,.45);
}

/* Görsel alan */
.dfn-urun-img {
  aspect-ratio: 16/9;
  background: var(--dfn-bg3);
  position: relative; overflow: hidden;
}
.dfn-urun-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.dfn-urun-card:hover .dfn-urun-img img { transform: scale(1.06); }
.dfn-urun-img-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px;
  min-height: 140px;
}
.dfn-urun-img-placeholder span { font-size: 44px; opacity: .2; }
.dfn-urun-img-placeholder div {
  font-family: var(--dfn-body); font-size: 10px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--dfn-g3);
}
/* Numara rozeti */
.dfn-urun-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--dfn); color: #fff;
  font-family: var(--dfn-head); font-size: 18px; letter-spacing: .05em;
  padding: 2px 10px; border-radius: 3px;
  box-shadow: 0 4px 12px rgba(249,115,22,.45);
}
/* Hover overlay */
.dfn-urun-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(5,17,31,.85) 0%, transparent 55%);
}

/* İçerik */
.dfn-urun-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.dfn-urun-title {
  font-family: var(--dfn-head2); font-size: 17px; font-weight: 700;
  color: var(--dfn-white); margin-bottom: 10px; line-height: 1.3;
}
.dfn-urun-desc {
  font-family: var(--dfn-body); font-size: 13px; color: var(--dfn-g2);
  line-height: 1.65; margin-bottom: 16px; flex: 1;
}

/* Spec chips */
.dfn-urun-specs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.dfn-spec-chip {
  font-family: var(--dfn-body); font-size: 11px; font-weight: 600;
  color: var(--dfn-g2); background: rgba(249,115,22,.07);
  border: 1px solid rgba(249,115,22,.12); border-radius: 2px;
  padding: 4px 10px; white-space: nowrap;
  transition: background .2s, color .2s;
}
.dfn-urun-card:hover .dfn-spec-chip {
  background: rgba(249,115,22,.14); color: var(--dfn-g1);
}

/* Link butonu */
.dfn-urun-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--dfn-body); font-size: 12px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  color: var(--dfn); margin-top: auto;
  padding: 10px 0; border-top: 1px solid var(--dfn-border);
  transition: gap .2s, color .2s;
}
.dfn-urun-link:hover { gap: 14px; color: var(--dfn2); }
.dfn-urun-link svg { flex-shrink: 0; transition: transform .2s; }
.dfn-urun-link:hover svg { transform: translateX(3px); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1200px) {
  .dfn-urun-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .dfn-urun-grid-3,
  .dfn-urun-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .dfn-urun-head   { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  .dfn-urun-grid-3,
  .dfn-urun-grid-4 { grid-template-columns: 1fr; }
  .dfn-urun-tab-btn { padding: 10px 14px; font-size: 11px; }
  .utn-icon { display: none; }
  .dfn-urun-cat-band { flex-direction: column; align-items: flex-start; }
}

/* ═══════════════════════════════════════════
   HAKKIMIZDA — 5 RESİMLİ MOZAİK (v2.2)
═══════════════════════════════════════════ */

/* Ana mozaik kapsayıcı */
.dfn-mosaic {
  display: flex;
  gap: 10px;
  /* Toplam yükseklik: 2 sütunun toplamı eşit olacak */
  height: 520px;
}

/* Sol sütun: büyük resim + alt küçük */
.dfn-mos-a {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1.15; /* biraz daha geniş */
}

/* Sağ sütun: 3 eşit küçük */
.dfn-mos-b {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 0.85;
}

/* Slot genel */
.dfn-mslot {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--dfn-border);
  background: var(--dfn-surf);
  flex-shrink: 0;
}
.dfn-mslot img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.dfn-mslot:hover img { transform: scale(1.06); }

/* Sol büyük: 62% yükseklik */
.dfn-mslot-main { flex: 1.55; }

/* Sol alt & sağ 3 küçük: kalan alan */
.dfn-mslot-sm   { flex: 1; }

/* Overlay gradyan (alt etiket okunabilirliği) */
.dfn-mslot::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(3,10,18,.72) 0%, transparent 45%);
  pointer-events: none;
}

/* Placeholder içi */
.dfn-ph {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px;
  min-height: 80px;
}
.dfn-ph-i { font-size: 32px; opacity: .18; }
.dfn-ph-t {
  font-family: var(--dfn-body); font-size: 9px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--dfn-g3);
}

/* Frame tag — sadece mozaik slotlarında */
.dfn-mslot .dfn-frame-tag {
  position: absolute; bottom: 10px; left: 10px; z-index: 2;
  background: rgba(3,10,18,.82); backdrop-filter: blur(6px);
  border: 1px solid var(--dfn-border); border-radius: 2px;
  font-family: var(--dfn-body); font-size: 9px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--dfn-g1); padding: 4px 9px;
}

/* Corner marks */
.dfn-mslot .dfn-corner { z-index: 3; }

/* Pulse kart — mozaik üstünde */
.dfn-about-visual .dfn-pulse-card {
  position: absolute;
  top: -16px; left: 16px; z-index: 10;
}

/* Floating rozetler — yeni konumlar */
.dfn-fbadge-bl {
  position: absolute;
  bottom: -18px; left: -18px;
}
.dfn-fbadge-tr {
  position: absolute;
  top: 16px; right: -18px;
}
.dfn-fbadge-dark {
  background: var(--dfn-surf2);
  border: 1px solid var(--dfn-bordm);
  box-shadow: 0 8px 28px rgba(0,0,0,.45);
  color: var(--dfn-white);
}
.dfn-fbadge-dark .fn { color: var(--dfn); }
.dfn-fbadge-dark .ft { color: var(--dfn-g2); }

/* About visual wrapper — fazladan padding rozetler için */
.dfn-about-visual {
  position: relative;
  padding: 24px 24px 28px 0;
}

@media (max-width: 1024px) {
  .dfn-mosaic { height: 400px; }
}
@media (max-width: 768px) {
  .dfn-mosaic { height: auto; flex-direction: column; }
  .dfn-mos-a, .dfn-mos-b { flex-direction: row; flex: none; }
  .dfn-mslot-main { flex: 1.4; }
  .dfn-mslot-sm   { flex: 1; }
  .dfn-mos-a, .dfn-mos-b { height: 180px; }
  .dfn-fbadge-tr  { right: 0; top: 8px; }
  .dfn-fbadge-bl  { left: 0; bottom: 8px; }
}