:root {
  /* Antrasit (Primary 60%) */
  --antrasit: #1C2226;
  --antrasit-900: #141a1e;
  --antrasit-950: #0e1215;
  /* Çelik (Secondary 8%) */
  --celik: #2C3539;
  --celik-600: #3a464b;
  /* Duman (Support 2%) */
  --duman: #6B7479;
  --duman-300: #98a1a5;
  /* Bakır (Accent 5%) */
  --bakir: #B8864B;
  --bakir-bright: #d19c5c;
  --bakir-soft: rgba(184, 134, 75, 0.12);
  /* Kemik (Neutral 25%) */
  --kemik: #F5F0E6;
  --kemik-soft: #fbf8f2;

  --ink: var(--antrasit);
  --muted: var(--duman);
  --line: #e5e1d6;
  --bg: #ffffff;
  --bg-soft: var(--kemik-soft);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

/* Accessibility: skip-to-content link */
.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  background: var(--antrasit);
  color: #fff;
  padding: 10px 16px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 6px;
  z-index: 200;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

/* ===== Navigation ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.nav::before {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(184,134,75,0.35) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--line);
  box-shadow: 0 20px 40px -28px rgba(10, 22, 52, 0.15);
}
.nav.scrolled::before { opacity: 1; }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: 84px;
  transition: height 0.35s ease;
}
.nav.scrolled .nav-inner { height: 72px; }

/* Logo */
.logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 30px;
  letter-spacing: 4px;
  color: var(--antrasit);
  text-decoration: none;
  display: inline-flex; flex-direction: column;
  align-items: center;
  line-height: 1;
  position: relative;
}
.logo .tagline {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 7.5px;
  letter-spacing: 3px;
  color: var(--bakir);
  margin-top: 8px;
  text-align: center;
}
footer .logo { color: #fff; align-self: flex-start; }
.nav .logo .tagline { display: none; }

/* Main nav */
.nav-main {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0; padding: 0;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  color: var(--antrasit);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.2px;
  border-radius: 6px;
  position: relative;
  transition: color 0.2s ease;
}
.nav-links > li > a::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 1.5px;
  background: var(--bakir);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.nav-links > li > a.active::after,
.nav-links > li > a:hover::after,
.nav-links > li:hover > a::after { transform: scaleX(1); }
.nav-links > li > a:hover { color: var(--celik); }

/* Nav tools: lang + cta */
.nav-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
  padding-left: 16px;
}
.nav-tools::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  height: 18px;
  width: 1px;
  margin-top: -9px;
  background: var(--line);
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 1.4px;
}
.lang-switch a {
  padding: 3px 4px;
  color: var(--duman);
  text-decoration: none;
  transition: color 0.2s ease;
}
.lang-switch a.active { color: var(--antrasit); }
.lang-switch a:not(.active):hover { color: var(--antrasit); }
.lang-switch::after {
  content: "/";
  order: 1;
  color: var(--line);
  font-weight: 400;
  font-size: 10px;
}
.lang-switch a[data-lang="tr"] { order: 0; }
.lang-switch a[data-lang="en"] { order: 2; }

.nav-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--antrasit);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.3px;
  border: 1px solid var(--antrasit);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}
.nav-contact:hover {
  background: var(--bakir);
  border-color: var(--bakir);
  color: var(--antrasit);
  transform: translateY(-1px);
}
.nav-contact .arr { width: 13px; height: 13px; transition: transform 0.25s ease; }
.nav-contact:hover .arr { transform: translateX(3px); }

/* Mobile burger */
.nav-burger {
  display: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  transition: background 0.2s;
}
.nav-burger:hover { background: var(--kemik-soft); }
.nav-burger span {
  position: absolute;
  left: 50%; top: 50%;
  width: 18px; height: 1.6px;
  background: var(--antrasit);
  margin: -1px 0 0 -9px;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.2s ease;
}
.nav-burger span:nth-child(1) { transform: translateY(-6px); }
.nav-burger span:nth-child(3) { transform: translateY(6px); }
body.menu-open .nav-burger span:nth-child(1) { transform: rotate(45deg); }
body.menu-open .nav-burger span:nth-child(2) { opacity: 0; }
body.menu-open .nav-burger span:nth-child(3) { transform: rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  position: fixed;
  top: 84px; right: 0; bottom: 0; left: 0;
  background: #ffffff;
  padding: 36px 0 60px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  z-index: 90;
}
body.menu-open .nav-drawer {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
body.scrolled-nav .nav-drawer { top: 72px; }
.drawer-inner { display: flex; flex-direction: column; }
.drawer-links {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column;
  gap: 2px;
}
.drawer-links > li > a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 4px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--antrasit);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  letter-spacing: -0.2px;
}
.drawer-links > li > a .num {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 12px;
  color: var(--bakir);
  letter-spacing: 2px;
}
.drawer-foot {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 32px;
  gap: 16px;
  flex-wrap: wrap;
}
@media (min-width: 1025px) {
  .nav-drawer { display: none; }
}

/* ===== Hero (home) ===== */
.hero {
  position: relative;
  background: var(--antrasit-950);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%);
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 600px at 82% 18%, rgba(184,134,75,0.22), transparent 55%),
    radial-gradient(700px 500px at 8% 82%, rgba(245,240,230,0.04), transparent 55%),
    linear-gradient(180deg, var(--antrasit-950) 0%, var(--antrasit) 70%, var(--celik) 100%);
  animation: heroGlow 24s ease-in-out infinite;
}
@keyframes heroGlow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.78; }
}
.hero-scanlines {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 2px,
    rgba(255,255,255,0.014) 3px, rgba(255,255,255,0.014) 4px
  );
  pointer-events: none;
  z-index: 0;
}
.hero-main {
  position: relative; z-index: 2;
  padding: 100px 0 150px;
}

/* Right-side fiber flow (home hero) */
.hero-flow {
  position: absolute;
  top: 0; bottom: 0;
  right: 0;
  width: 50%;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
  mask-image: linear-gradient(90deg, transparent 0%, #000 28%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 28%, #000 100%);
}
.flow-line {
  position: absolute;
  top: -10%;
  height: 120%;
  width: 1px;
  background: rgba(184,134,75,0.09);
  overflow: hidden;
}
.flow-line::after {
  content: "";
  position: absolute;
  top: -40%; left: -4px;
  width: 9px; height: 80px;
  background: radial-gradient(ellipse at center, rgba(184,134,75,0.42), transparent 65%);
  filter: blur(2.5px);
  animation: flowPulse 4s linear infinite;
}
.flow-line.l1 { left: 10%; transform: rotate(4deg); }
.flow-line.l1::after { animation-duration: 4.2s; animation-delay: 0s; }
.flow-line.l2 { left: 28%; transform: rotate(-2deg); }
.flow-line.l2::after { animation-duration: 5.8s; animation-delay: -1.5s; }
.flow-line.l3 { left: 50%; transform: rotate(6deg); }
.flow-line.l3::after { animation-duration: 3.4s; animation-delay: -0.8s; }
.flow-line.l4 { left: 72%; transform: rotate(-4deg); }
.flow-line.l4::after { animation-duration: 5s; animation-delay: -2.4s; }
.flow-line.l5 { left: 90%; transform: rotate(3deg); }
.flow-line.l5::after { animation-duration: 4s; animation-delay: -0.3s; }
@keyframes flowPulse {
  0% { top: -40%; }
  100% { top: 140%; }
}
@media (max-width: 900px) {
  .hero-flow { display: none; }
  .hero-vertical { display: none; }
}

/* Kinetic word rotator (home hero) */
.rotator {
  display: inline-grid;
  grid-template-areas: "stack";
  vertical-align: baseline;
  position: relative;
  color: var(--bakir);
}
.rotator .word {
  grid-area: stack;
  opacity: 0;
  transition: opacity 0.55s ease;
  white-space: nowrap;
  will-change: opacity;
}
.rotator .word.is-active { opacity: 1; }
.rotator::after {
  content: "";
  grid-area: stack;
  align-self: end;
  justify-self: stretch;
  height: 3px;
  margin-bottom: -4px;
  background: linear-gradient(90deg, var(--bakir) 0%, rgba(184,134,75,0) 100%);
  pointer-events: none;
}
.hero-grid {
  display: flex;
  flex-direction: column;
  gap: 70px;
  position: relative;
}
.hero-copy { max-width: 1100px; }
.hero-vertical {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 10.5px;
  letter-spacing: 5px;
  color: rgba(255,255,255,0.3);
  white-space: nowrap;
  line-height: 1;
  pointer-events: none;
  z-index: 2;
}
.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: -1.6px;
  margin-bottom: 28px;
  color: #ffffff;
}
.hero-lead {
  font-size: 17px;
  line-height: 1.65;
  color: #b9beC1;
  max-width: 520px;
  margin-bottom: 40px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* Shared button */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.3px;
  transition: all 0.25s;
  border: none; cursor: pointer;
}
.btn-primary { background: var(--bakir); color: var(--antrasit); }
.btn-primary:hover { background: var(--bakir-bright); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.05); }
.btn .arrow { transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ===== Section base ===== */
section.block { padding: 120px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-head .kicker {
  display: inline-block;
  color: var(--bakir);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-head h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(32px, 3.6vw, 44px);
  color: var(--antrasit);
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 18px;
}
.section-head p { color: var(--muted); font-size: 16.5px; }

/* ===== About (home) ===== */
.about .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.about-right ul { margin: 0; }
.about-right { padding-top: 42px; }
.about .kicker { color: var(--bakir); font-weight: 700; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; }
.about h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(26px, 2.4vw, 34px);
  color: var(--antrasit);
  letter-spacing: -0.4px;
  line-height: 1.2;
  margin: 16px 0 22px;
}
.about p { color: #3a464b; font-size: 16px; margin-bottom: 18px; }
.about ul { list-style: none; margin: 30px 0; }
.about li { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; }
.about li::before {
  content: "";
  width: 22px; height: 22px; flex-shrink: 0;
  background: var(--bakir);
  border-radius: 4px;
  position: relative;
  margin-top: 3px;
}
.about li strong { color: var(--antrasit); font-weight: 700; display: block; margin-bottom: 3px; }

/* ===== Services ===== */
.services { background: var(--bg-soft); }
.svc-list { max-width: 1240px; margin: 0 auto; }
.svc-row {
  display: grid;
  grid-template-columns: 52px 380px 1fr;
  gap: 22px 40px;
  align-items: center;
  padding: 14px 0 14px 18px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  position: relative;
  cursor: pointer;
  transition: background 0.4s ease;
}
.svc-row:last-child { border-bottom: 1px solid var(--line); }
.svc-row-num {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 1.6px;
  color: var(--duman);
}
.svc-row-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.1;
  letter-spacing: -0.6px;
  color: var(--antrasit);
  margin: 0;
  transition: color 0.4s ease, transform 0.4s ease;
}
.svc-row-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-self: end;
  width: 560px;
  max-width: 100%;
  text-align: right;
  opacity: 0;
  transform: translateX(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}
.svc-row-panel p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}
.svc-row-cta {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--bakir);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.svc-row:hover .svc-row-title {
  color: var(--bakir);
  transform: translateX(8px);
}
.svc-row:hover .svc-row-panel {
  opacity: 1;
  transform: translateX(0);
}
.svc-row::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--bakir);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.svc-row:hover::after { transform: scaleY(1); }

/* ===== Values ===== */
.values { background: #fff; }
.values-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  max-width: 1180px;
  margin: 0 auto;
}
.values-card {
  padding: 16px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.values-card:hover {
  border-color: var(--bakir);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px -12px rgba(10,22,52,0.08);
}
.values-num {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 1.4px;
  color: var(--bakir);
}
.values-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -0.1px;
  line-height: 1.2;
  min-height: 32px;
  color: var(--antrasit);
}
.values-card p {
  font-size: 10.5px;
  line-height: 1.45;
  color: var(--muted);
}
@media (max-width: 1024px) { .values-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== References (trust bar) ===== */
.references {
  padding: 56px 0 64px;
  background: #fff;
  border-top: 1px solid var(--line);
}
.refs-head {
  display: flex;
  align-items: baseline;
  gap: 28px;
  max-width: 1180px;
  margin: 0 auto 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.refs-head .kicker {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 2.8px;
  color: var(--bakir);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.refs-head .kicker::before {
  content: "";
  width: 20px; height: 1px;
  background: var(--bakir);
}
.refs-head h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.1px;
  color: var(--antrasit);
  margin: 0;
  line-height: 1.2;
}
.refs-grid {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 1180px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
}
.refs-grid li {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 68px;
  padding: 14px 10px;
  border-right: 1px solid var(--line);
}
.refs-grid li:last-child { border-right: none; }
.ref-mark {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 1.6px;
  color: #8a9398;
  text-align: center;
  line-height: 1.25;
  transition: color 0.25s, letter-spacing 0.25s;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.refs-grid li:hover .ref-mark {
  color: var(--antrasit);
  letter-spacing: 1.8px;
}
.refs-more {
  max-width: 1180px;
  margin: 18px auto 0;
  text-align: right;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  font-style: italic;
}
.refs-more .arr {
  display: inline-block;
  margin-left: 6px;
  color: var(--bakir);
  font-style: normal;
  transition: transform 0.25s;
}
.refs-more:hover .arr { transform: translateX(4px); }
@media (max-width: 1024px) {
  .refs-grid { grid-template-columns: repeat(4, 1fr); }
  .refs-grid li { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .refs-grid li:nth-child(4n) { border-right: none; }
  .refs-grid li:nth-last-child(-n+3) { border-bottom: none; }
}
@media (max-width: 640px) {
  .refs-grid { grid-template-columns: repeat(2, 1fr); }
  .refs-grid li { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 16px 8px; }
  .refs-grid li:nth-child(2n) { border-right: none; }
  .refs-grid li:nth-last-child(-n+2):nth-child(odd) { border-bottom: none; }
  .refs-grid li:last-child { border-bottom: none; }
  .ref-mark { font-size: 10.5px; letter-spacing: 1.2px; white-space: normal; }
}

/* ===== Footer ===== */
footer { background: var(--antrasit-950); color: #98a1a5; padding: 80px 0 30px; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
footer h5 {
  font-family: 'Montserrat', sans-serif;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 22px;
}
footer .logo { color: #fff; margin-bottom: 20px; }
footer p { font-size: 14.5px; line-height: 1.7; margin-bottom: 18px; }
footer ul { list-style: none; }
footer li { margin-bottom: 12px; }
footer a { color: #98a1a5; text-decoration: none; font-size: 14.5px; transition: color 0.2s; }
.foot-faal a { font-size: 13.5px; }
footer a:hover { color: var(--bakir); }
.contact-item { display: flex; gap: 12px; margin-bottom: 16px; align-items: flex-start; }
.contact-item svg { color: var(--bakir); flex-shrink: 0; margin-top: 2px; }
.foot-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13.5px;
}
.socials { display: flex; gap: 12px; }
.socials a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  color: #98a1a5;
}
.socials a:hover { background: var(--bakir); border-color: var(--bakir); color: var(--antrasit); }

/* ===== Responsive base ===== */
@media (max-width: 1024px) {
  .nav-main { display: none; }
  .nav-burger { display: inline-flex; align-items: center; justify-content: center; }
  .hero-grid, .about .grid { grid-template-columns: 1fr; gap: 40px; }
  .svc-row { grid-template-columns: 48px 1fr; gap: 8px 18px; padding: 18px 0 18px 16px; }
  .svc-row-title { grid-column: 2; }
  .svc-row-panel {
    grid-column: 1 / -1;
    justify-self: start;
    width: 100%;
    text-align: left;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .svc-row-cta { justify-content: flex-start; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  .svc-row { padding: 16px 0 16px 14px; }
  .svc-row-title { font-size: 18px; }
  .svc-row-panel p { font-size: 12.5px; }
  section.block { padding: 70px 0; }
  .hero-main { padding: 70px 0 100px; }
  .foot-grid { grid-template-columns: 1fr; }
  .drawer-links > li > a { font-size: 20px; padding: 14px 4px; }
}

/* ===== Page hero (sub-pages) ===== */
.page-hero {
  position: relative;
  background:
    radial-gradient(800px 500px at 80% 20%, rgba(184,134,75,0.15), transparent 55%),
    linear-gradient(180deg, var(--antrasit-950) 0%, var(--antrasit) 70%, var(--celik) 100%);
  color: #fff;
  padding: 90px 0 70px;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.page-hero > .container { width: 100%; }
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000 20%, transparent 80%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--bakir); }
.breadcrumb .sep { color: rgba(255,255,255,0.3); }
.breadcrumb .current { color: var(--bakir); }
.page-hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -1.2px;
  margin-bottom: 16px;
  max-width: 920px;
}
.page-hero .lead {
  font-size: 16px;
  line-height: 1.7;
  color: #b9beC1;
  max-width: 720px;
}

/* ===== Shared label utility (ovr-label) — consistent kicker style ===== */
.ovr-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 2.4px;
  color: var(--bakir);
  text-transform: uppercase;
}
.ovr-label::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--bakir);
  flex-shrink: 0;
}

/* ===== Nav dropdown ===== */
.nav-links > li.has-dropdown { position: relative; }
.nav-links > li.has-dropdown > a::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 100%;
  height: 12px;
}
.nav-links > li.has-dropdown > a .chev {
  width: 10px; height: 10px;
  stroke: currentColor;
  opacity: 0.55;
  transition: transform 0.25s ease, opacity 0.2s ease;
  margin-left: 2px;
}
.nav-links > li.has-dropdown:hover > a .chev,
.nav-links > li.has-dropdown:focus-within > a .chev { transform: rotate(180deg); opacity: 1; }

.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: -10px;
  min-width: 340px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-top: 2px solid var(--bakir);
  border-radius: 10px;
  padding: 10px;
  box-shadow: 0 30px 60px -28px rgba(10,22,52,0.22);
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  z-index: 110;
}
.nav-links > li.has-dropdown:hover .nav-dropdown,
.nav-links > li.has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown li { list-style: none; }
.nav-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--antrasit);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 13.5px;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
  position: relative;
}
.nav-dropdown a .d-num {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 1.4px;
  color: var(--bakir);
  flex-shrink: 0;
}
.nav-dropdown a:hover,
.nav-dropdown a:focus-visible,
.nav-dropdown a.active { background: var(--kemik-soft); color: var(--antrasit); }
.nav-dropdown a.active .d-num { color: var(--bakir); }
.nav-dropdown a.active::after {
  content: "";
  position: absolute;
  left: 2px; top: 50%;
  width: 2px; height: 18px;
  margin-top: -9px;
  background: var(--bakir);
  border-radius: 1px;
}
@media (max-width: 1024px) {
  .nav-dropdown { display: none; }
}

/* Mobile drawer dropdown (accordion) */
.drawer-sub {
  list-style: none;
  margin: 0;
  padding: 0 0 4px 12px;
  display: none;
  gap: 0;
}
.drawer-sub li { margin: 0; }
.drawer-sub a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0 10px 14px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
  color: var(--duman);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.drawer-sub a .d-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--bakir); }
.drawer-links > li.has-sub.open .drawer-sub { display: flex; flex-direction: column; }
.drawer-links > li.has-sub > a .chev {
  width: 14px; height: 14px;
  transition: transform 0.3s;
}
.drawer-links > li.has-sub.open > a .chev { transform: rotate(180deg); }

/* ===== Shared sub-page layout (fa-sub) =====
   All section headers (01/02/03/04) follow the Hakkımızda .intro-head pattern:
   [ 280px kicker column ] [ 1fr title + description column ]
   with baseline alignment between kicker and h2. */
.sub-body { padding: 72px 0; background: #fff; }
.sub-intro {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  max-width: 1180px;
  margin: 0 auto 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.sub-intro .meta .ovr-label { display: flex; margin: 0; }
.sub-intro h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(26px, 2.8vw, 36px);
  letter-spacing: -0.6px;
  line-height: 1.12;
  color: var(--antrasit);
  margin: 0 0 20px;
}
.sub-intro .text p {
  color: #3a464b;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 18px;
}
.sub-intro .text p:last-child { margin-bottom: 0; }
.sub-intro .text p:first-of-type {
  font-size: 16px;
  color: var(--antrasit);
  font-weight: 500;
  line-height: 1.6;
}

/* Teknik kapsam — checklist grid */
.sub-scope { padding: 80px 0; background: var(--kemik-soft); }
.sub-scope-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  max-width: 1180px;
  margin: 0 auto 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  grid-template-areas:
    "kicker title"
    ".      desc";
}
.sub-scope-head .ovr-label { grid-area: kicker; display: flex; margin: 0; }
.sub-scope-head h2 {
  grid-area: title;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(26px, 2.8vw, 36px);
  letter-spacing: -0.6px;
  line-height: 1.12;
  color: var(--antrasit);
  margin: 0;
}
.sub-scope-head p {
  grid-area: desc;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
  max-width: 680px;
  margin: 16px 0 0;
}
.sub-scope-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 1180px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.sub-scope-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 14px;
  padding: 18px 20px;
  align-items: start;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--antrasit);
  line-height: 1.5;
}
.sub-scope-list li:nth-child(odd) { border-right: 1px solid var(--line); }
.sub-scope-list li svg { color: var(--bakir); margin-top: 2px; flex-shrink: 0; }

/* Mühendislik odağı — quote block */
.sub-focus { padding: 72px 0; background: var(--antrasit-950); color: #fff; position: relative; overflow: hidden; }
.sub-focus::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(600px 380px at 80% 40%, rgba(184,134,75,0.12), transparent 55%),
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  pointer-events: none;
}
.sub-focus .container { position: relative; z-index: 1; }
.sub-focus-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  max-width: 1180px;
  margin: 0 auto;
  align-items: baseline;
}
.sub-focus .meta .ovr-label { display: flex; margin: 0; color: var(--bakir); }
.sub-focus .ovr-label::before { background: var(--bakir); }
.sub-focus h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(26px, 2.8vw, 36px);
  letter-spacing: -0.6px;
  line-height: 1.12;
  color: #fff;
  margin: 0 0 20px;
}
.sub-focus .text {
  position: relative;
}
.sub-focus .text p {
  color: #c4c8cb;
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

/* Prensip kartları */
.sub-principles { padding: 80px 0; background: #fff; }
.sub-principles-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  max-width: 1180px;
  margin: 0 auto 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  grid-template-areas:
    "kicker title"
    ".      desc";
}
.sub-principles-head > .ovr-label { grid-area: kicker; display: flex; margin: 0; }
.sub-principles-head h2 {
  grid-area: title;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(26px, 2.8vw, 36px);
  letter-spacing: -0.6px;
  line-height: 1.12;
  color: var(--antrasit);
  margin: 0;
}
.sub-principles-head p {
  grid-area: desc;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
  max-width: 680px;
  margin: 16px 0 0;
}
.sub-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: 1180px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}
.sub-principle {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s;
}
.sub-principle:last-child { border-right: none; }
.sub-principle:hover { background: var(--kemik-soft); }
.sub-principle .p-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 32px;
  color: transparent;
  -webkit-text-stroke: 1px rgba(184,134,75,0.55);
  letter-spacing: -0.8px;
  line-height: 1;
  display: block;
  margin-bottom: 14px;
}
.sub-principle:hover .p-num { -webkit-text-stroke-color: var(--bakir); }
.sub-principle h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.2px;
  color: var(--antrasit);
  margin-bottom: 10px;
  line-height: 1.3;
}
.sub-principle p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* CTA shared across sub-pages and hub */
.fa-cta {
  background: var(--antrasit);
  color: #fff;
  padding: 50px 0;
  position: relative;
  overflow: hidden;
}
.fa-cta::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(500px 300px at 80% 50%, rgba(184,134,75,0.16), transparent 60%),
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  pointer-events: none;
}
.fa-cta .row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.fa-cta .text { max-width: 740px; }
.fa-cta .ovr-label { color: var(--bakir); margin-bottom: 10px; display: inline-flex; }
.fa-cta .ovr-label::before { background: var(--bakir); }
.fa-cta h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.3px;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 8px;
}
.fa-cta p {
  color: #c4c8cb;
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}
.fa-cta .btn { padding: 14px 26px; font-size: 13.5px; white-space: nowrap; }

/* ===== Faaliyet Alanları hub page ===== */
.fa-intro { padding: 72px 0; background: #fff; }
.fa-intro-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  max-width: 1180px;
  margin: 0 auto 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.fa-intro-head h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(24px, 2.6vw, 32px);
  letter-spacing: -0.5px;
  line-height: 1.15;
  color: var(--antrasit);
}
.fa-intro-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  max-width: 1180px;
  margin: 0 auto;
  align-items: start;
}
.fa-intro-text p {
  color: #3a464b;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 18px;
}
.fa-intro-text p:last-child { margin-bottom: 0; }
.fa-intro-aside {
  background: var(--antrasit);
  color: #fff;
  padding: 32px 30px;
  border-radius: 12px;
  position: sticky;
  top: 110px;
}
.fa-intro-aside .label {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 2px;
  color: var(--bakir);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.fa-intro-aside h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.2px;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  line-height: 1.3;
}
.fa-intro-aside ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.fa-intro-aside li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: #d8dadc;
}
.fa-intro-aside svg { color: var(--bakir); flex-shrink: 0; margin-top: 3px; }

/* Cards bölümü */
.fa-cards-block { padding: 72px 0; background: var(--kemik-soft); }
.fa-cards-head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}
.fa-cards-head .ovr-label {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 2.4px;
  color: var(--bakir);
  text-transform: uppercase;
  margin-bottom: 14px;
  justify-content: center;
}
.fa-cards-head .ovr-label::before { display: none; }
.fa-cards-head h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(26px, 2.8vw, 36px);
  letter-spacing: -0.5px;
  line-height: 1.15;
  color: var(--antrasit);
  margin-bottom: 14px;
}
.fa-cards-head p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
}
.fa-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}
.fa-cards > .fa-card:nth-child(4),
.fa-cards > .fa-card:nth-child(5) { grid-column: span 1; }
.fa-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 26px;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.fa-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--bakir);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}
.fa-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -20px rgba(10,22,52,0.18); border-color: var(--bakir); }
.fa-card:hover::before { transform: scaleX(1); }
.fa-card .c-num {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 1.8px;
  color: var(--bakir);
}
.fa-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.2px;
  color: var(--antrasit);
  line-height: 1.25;
}
.fa-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  flex: 1;
}
.fa-card .tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 1.2px;
  color: var(--duman);
  text-transform: uppercase;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.fa-card .tags span {
  background: var(--kemik-soft);
  padding: 4px 8px;
  border-radius: 4px;
}
.fa-card .c-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 11.5px;
  letter-spacing: 1.6px;
  color: var(--bakir);
  text-transform: uppercase;
  margin-top: auto;
  padding-top: 6px;
}
.fa-card:hover .c-cta { color: var(--antrasit); }
.fa-card .c-cta .arr {
  transition: transform 0.25s;
}
.fa-card:hover .c-cta .arr { transform: translateX(4px); }

/* Capability matrix */
.fa-matrix-block { padding: 72px 0; background: #fff; }
.fa-matrix-head {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}
.fa-matrix-head .ovr-label {
  display: inline-flex; align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 2.4px;
  color: var(--bakir);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.fa-matrix-head h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(24px, 2.6vw, 32px);
  letter-spacing: -0.5px;
  color: var(--antrasit);
  margin-bottom: 14px;
  line-height: 1.15;
}
.fa-matrix-head p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
}
.fa-matrix {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  max-width: 1180px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}
.fa-matrix-col {
  padding: 24px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.fa-matrix-col:last-child { border-right: none; }
.fa-matrix-col .cat {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13.5px;
  letter-spacing: -0.1px;
  color: var(--antrasit);
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  line-height: 1.3;
}
.fa-matrix-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.fa-matrix-col li {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
  position: relative;
  padding-left: 12px;
}
.fa-matrix-col li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 4px; height: 4px;
  background: var(--bakir);
  border-radius: 50%;
}

@media (max-width: 1024px) {
  .fa-intro-head, .sub-intro, .sub-scope-head, .sub-focus-grid, .sub-principles-head { grid-template-columns: 1fr; gap: 20px; }
  .sub-scope-head, .sub-principles-head { grid-template-areas: "kicker" "title" "desc"; }
  .sub-scope-head p, .sub-principles-head p { margin-top: 0; }
  .fa-intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .fa-intro-aside { position: static; }
  .fa-cards { grid-template-columns: repeat(2, 1fr); }
  .fa-matrix { grid-template-columns: repeat(2, 1fr); }
  .fa-matrix-col { border-right: 1px solid var(--line) !important; }
  .fa-matrix-col:nth-child(2n) { border-right: none !important; }
  .sub-principles-grid { grid-template-columns: repeat(2, 1fr); }
  .sub-principle { border-right: 1px solid var(--line) !important; }
  .sub-principle:nth-child(2n) { border-right: none !important; }
  .sub-scope-list { grid-template-columns: 1fr; }
  .sub-scope-list li { border-right: none !important; }
  .fa-cta .row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .fa-cards { grid-template-columns: 1fr; }
  .fa-matrix { grid-template-columns: 1fr; }
  .fa-matrix-col { border-right: none !important; }
  .sub-principles-grid { grid-template-columns: 1fr; }
  .sub-principle { border-right: none !important; }
}