/* Efes Su ve Havuz Teknolojileri — "Hydraulic Precision & Luxury" tasarım sistemi
   Kaynak: Stitch tasarımı (DESIGN.md). Tailwind yerine elle yazılmış, derleme gerektirmez. */

:root {
  --bg: #041329;
  --deep: #0a192f;
  --navy: #0e2439;
  --lowest: #010e24;
  --low: #0d1c32;
  --cont: #112036;
  --high: #1c2a41;
  --highest: #27354c;
  --on: #d6e3ff;
  --muted: #bbc9cf;
  --outline: #859399;
  --white: #fff;
  --cyan: #00d2ff;
  --blue: #00a2fd;
  --primary: #a5e7ff;
  --secondary: #98cbff;
  --emerald: #34d399;
  --glass: rgba(14, 36, 57, .65);
  --glass-border: rgba(0, 210, 255, .18);
  --hair: rgba(255, 255, 255, .06);
  --hair-2: rgba(255, 255, 255, .1);
  --glow: 0 0 24px rgba(0, 210, 255, .25);
  --r-sm: .5rem;
  --r: .75rem;
  --r-lg: 1rem;
  --r-xl: 1.5rem;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
  --gutter: 3rem;
  --header-h: 7.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--on);
  font: 400 15px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--cyan); color: var(--deep); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; color: var(--white); letter-spacing: -.02em; line-height: 1.2; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--high); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

.ms {
  font-family: "Material Symbols Outlined";
  font-weight: normal; font-style: normal; font-size: 20px; line-height: 1;
  letter-spacing: normal; text-transform: none; display: inline-block; white-space: nowrap;
  direction: ltr; -webkit-font-feature-settings: "liga"; font-feature-settings: "liga";
  font-variation-settings: "FILL" 0, "wght" 400; user-select: none; flex-shrink: 0;
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); border: 0; }
.container { max-width: 1440px; margin: 0 auto; padding: 0 var(--gutter); }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 100; padding: .75rem 1rem; background: var(--cyan); color: var(--deep); font-weight: 700; border-radius: var(--r-sm); }
.skip-link:focus { top: 1rem; }

/* ---------- Ortak öğeler ---------- */
.eyebrow {
  display: flex; align-items: center; gap: .5rem;
  font: 700 12px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--cyan);
  margin-bottom: .5rem;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.pill {
  display: inline-flex; align-items: center; gap: .5rem; align-self: flex-start;
  padding: .3rem .9rem; border-radius: 999px;
  background: rgba(0, 210, 255, .1); border: 1px solid rgba(0, 210, 255, .28);
  font: 700 12px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--cyan);
}
.pill .ms { font-size: 15px; }
.dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); flex-shrink: 0; }
.dot.ping::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--cyan);
  animation: ping 1.6s cubic-bezier(0, 0, .2, 1) infinite;
}
.dot.pulse { animation: pulse 2s ease-in-out infinite; }
@keyframes ping { 75%, 100% { transform: scale(2.4); opacity: 0; } }
@keyframes pulse { 50% { opacity: .4; } }
@keyframes floatSlow { 50% { transform: translateY(-10px); } }
@keyframes flowGlow { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes bounce { 0%, 100% { transform: translateY(-25%); animation-timing-function: cubic-bezier(.8, 0, 1, 1); } 50% { transform: none; animation-timing-function: cubic-bezier(0, 0, .2, 1); } }

.gradient-text {
  background: linear-gradient(90deg, var(--cyan), var(--primary), var(--secondary), var(--cyan));
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: flowGlow 6s ease infinite;
}
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  transition: border-color .3s;
}
.glass:hover { border-color: rgba(0, 210, 255, .45); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .7rem 1.25rem; border-radius: var(--r); border: 0; cursor: pointer;
  font-weight: 700; font-size: 14px; line-height: 1.2; white-space: nowrap;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s, color .2s;
}
.btn .ms { font-size: 18px; transition: transform .2s; }
.btn-primary {
  background: linear-gradient(90deg, var(--cyan), var(--blue)); color: var(--deep);
  box-shadow: 0 0 20px rgba(0, 210, 255, .3);
}
.btn-primary:hover { box-shadow: 0 0 32px rgba(0, 210, 255, .6); transform: translateY(-2px); }
.btn-primary:hover .ms-arrow { transform: translateX(4px); }
.btn-glass {
  background: rgba(28, 42, 65, .8); color: var(--white);
  border: 1px solid var(--hair-2); font-weight: 600;
}
.btn-glass:hover { border-color: rgba(0, 210, 255, .4); background: var(--highest); }
.btn-glass .ms { color: var(--cyan); font-size: 20px; }
.btn-lg { padding: 1rem 1.75rem; }
.btn-block { width: 100%; padding: 1rem; }

.section { padding: 5rem 0; position: relative; }
.section--lowest { background: var(--lowest); }
.section--low { background: rgba(13, 28, 50, .7); border-block: 1px solid var(--hair); }
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem; margin-bottom: 3rem; }
.section-head--center { flex-direction: column; align-items: center; text-align: center; max-width: 48rem; margin-inline: auto; }
.section-head--center .eyebrow { justify-content: center; }
.h2 { font-size: clamp(1.75rem, 1.2rem + 1.8vw, 2.5rem); font-weight: 800; letter-spacing: -.02em; }
.lead { color: var(--muted); font-size: clamp(.95rem, .9rem + .2vw, 1.05rem); max-width: 28rem; }
.section-head--center .lead { max-width: 40rem; margin-top: .5rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  background: rgba(14, 36, 57, .9);
  -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0, 210, 255, .2);
  transition: transform .35s ease;
}
.topbar { background: rgba(1, 14, 36, .8); border-bottom: 1px solid rgba(255, 255, 255, .05); transition: margin-top .35s ease; }
.site-header.is-scrolled .topbar { margin-top: -2.5rem; }
.topbar .container { height: 2.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: 12px; font-weight: 500; color: var(--muted); }
.topbar__group { display: flex; align-items: center; gap: 1.5rem; min-width: 0; }
.topbar a, .topbar span { display: inline-flex; align-items: center; gap: .4rem; }
.topbar .ms { font-size: 16px; color: var(--cyan); }
.topbar__phone { font-weight: 700; letter-spacing: .04em; white-space: nowrap; }
.topbar__phone:hover { color: var(--cyan); }
.topbar__address { color: var(--outline); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__tag { font: 600 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--outline); }
.social { display: flex; gap: .5rem; }
.social a {
  width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--cont); color: var(--muted);
  display: grid; place-items: center; transition: color .2s, background .2s;
}
.social a:hover { color: var(--cyan); background: var(--high); }
.social svg { width: 13px; height: 13px; fill: currentColor; }

.navbar { height: 5rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }
.brand__mark {
  width: 3rem; height: 3rem; padding: .3rem; border-radius: var(--r-sm);
  background: #f4f9ff; border: 1px solid var(--hair-2);
  box-shadow: 0 0 0 1px rgba(0, 210, 255, 0); transition: box-shadow .3s;
}
.brand:hover .brand__mark { box-shadow: 0 0 0 1px rgba(0, 210, 255, .5), var(--glow); }
.brand__mark img { width: 100%; height: 100%; object-fit: contain; }
.brand__name { display: flex; flex-direction: column; line-height: 1.15; }
.brand__title { font-weight: 800; font-size: 1.25rem; letter-spacing: .02em; color: var(--white); }
.brand__title b { color: var(--cyan); font-weight: 800; }
.brand__sub { font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

.nav { display: flex; align-items: center; gap: .25rem; font-size: 14px; font-weight: 600; color: var(--muted); }
.nav__link {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .55rem .9rem; border-radius: var(--r-sm); border: 1px solid transparent;
  background: none; cursor: pointer; transition: color .2s, background .2s;
}
.nav__link:hover, .nav__item:focus-within > .nav__link { color: var(--white); background: rgba(28, 42, 65, .5); }
.nav__link.is-active { color: var(--white); background: rgba(28, 42, 65, .7); border-color: rgba(255, 255, 255, .05); font-weight: 700; }
.nav__link .ms { font-size: 16px; transition: transform .2s; }
.nav__item { position: relative; }
.nav__item:hover > .nav__link .ms, .nav__item.is-open > .nav__link .ms { transform: rotate(180deg); }
.dropdown {
  position: absolute; left: 0; top: 100%; padding-top: .5rem;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.nav__item:hover > .dropdown, .nav__item:focus-within > .dropdown, .nav__item.is-open > .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown__panel {
  padding: .5rem; border-radius: var(--r-lg);
  background: rgba(28, 42, 65, .97); -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 210, 255, .2); box-shadow: 0 24px 48px -12px rgba(0, 0, 0, .7);
}
.dropdown--mega .dropdown__panel { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; width: 38rem; }
.dropdown--narrow .dropdown__panel { width: 17rem; }
.dropdown__title { padding: .5rem .65rem .25rem; font: 700 10px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--outline); }
.dropdown__link { display: flex; align-items: center; gap: .75rem; padding: .6rem .65rem; border-radius: var(--r-sm); transition: background .2s; }
.dropdown__link:hover { background: var(--cont); }
.dropdown__link .ms { color: var(--cyan); font-size: 20px; }
.dropdown__link strong { display: block; color: var(--white); font-size: 13px; font-weight: 700; }
.dropdown__link small { display: block; color: var(--outline); font-size: 11px; font-weight: 500; line-height: 1.35; }
.dropdown__link:hover strong { color: var(--cyan); }

.navbar__actions { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }
.menu-toggle {
  display: none; width: 2.75rem; height: 2.75rem; border-radius: var(--r-sm); border: 0; cursor: pointer;
  background: var(--cont); color: var(--on); place-items: center;
}
.menu-toggle .ms { font-size: 26px; }

/* Mobil menü */
.mobile-nav {
  position: fixed; inset: 0; z-index: 60; display: flex; justify-content: flex-end;
  background: rgba(1, 14, 36, .6); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }
.mobile-nav__panel {
  width: min(24rem, 100%); height: 100%; overflow-y: auto; padding: 1.25rem;
  background: var(--navy); border-left: 1px solid var(--glass-border);
  transform: translateX(100%); transition: transform .3s cubic-bezier(.2, .8, .2, 1);
  display: flex; flex-direction: column; gap: 1rem;
}
.mobile-nav.is-open .mobile-nav__panel { transform: none; }
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; }
.mobile-nav details { border-bottom: 1px solid var(--hair); }
.mobile-nav summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: .9rem .25rem; font-weight: 700; color: var(--white); }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav details[open] summary .ms { transform: rotate(180deg); }
.mobile-nav__link { display: flex; align-items: center; gap: .75rem; padding: .7rem .5rem; border-radius: var(--r-sm); color: var(--muted); font-size: 14px; }
.mobile-nav__link .ms { color: var(--cyan); }
.mobile-nav__link:hover { background: var(--cont); color: var(--white); }
.mobile-nav__top { display: block; padding: .9rem .25rem; font-weight: 700; color: var(--white); border-bottom: 1px solid var(--hair); }

main { padding-top: var(--header-h); min-height: 60vh; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; padding: 5rem 0;
  background: radial-gradient(circle at 50% 20%, rgba(0, 210, 255, .12) 0%, rgba(14, 36, 57, .4) 40%, rgba(4, 19, 41, .95) 80%);
  border-bottom: 1px solid var(--glass-border);
}
.blur-orb { position: absolute; border-radius: 50%; pointer-events: none; }
.blur-orb--a { top: 2.5rem; left: 2.5rem; width: 24rem; height: 24rem; background: rgba(0, 210, 255, .1); filter: blur(130px); }
.blur-orb--b { bottom: 2.5rem; right: 5rem; width: 28rem; height: 28rem; background: rgba(0, 162, 253, .15); filter: blur(160px); }
.hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 7fr 5fr; gap: 2.5rem; align-items: center; }
.hero__copy { display: flex; flex-direction: column; gap: 1.25rem; }
.hero__copy .pill { background: rgba(28, 42, 65, .9); box-shadow: 0 0 15px rgba(0, 210, 255, .15); border-color: rgba(0, 210, 255, .3); }
.hero h1 { font-size: clamp(2.25rem, 1.4rem + 3.4vw, 3.75rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.12; }
.hero__text { color: var(--muted); font-size: clamp(1rem, .95rem + .25vw, 1.125rem); max-width: 42rem; line-height: 1.7; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 1rem; padding-top: .5rem; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, .05); }
.kpi { padding: .9rem; border-radius: var(--r); background: rgba(13, 28, 50, .7); border: 1px solid rgba(255, 255, 255, .05); }
.kpi__value { font-weight: 800; font-size: clamp(1.4rem, 1.1rem + 1vw, 1.875rem); line-height: 1.15; color: var(--white); }
.kpi:nth-child(odd) .kpi__value { color: var(--cyan); }
.kpi__label { margin-top: .15rem; font-size: 12px; font-weight: 500; color: var(--muted); line-height: 1.35; }

.capsule { position: relative; padding: 1rem; border-radius: var(--r-lg); overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, .6); }
.capsule__orb { position: absolute; right: -4rem; top: -4rem; width: 10rem; height: 10rem; border-radius: 50%; background: rgba(0, 210, 255, .2); filter: blur(40px); pointer-events: none; }
.capsule__head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding-bottom: .75rem; border-bottom: 1px solid var(--hair-2); }
.capsule__head > span { display: flex; align-items: center; gap: .5rem; font: 700 12px var(--mono); letter-spacing: .08em; color: var(--cyan); }
.tag { font: 600 11px var(--mono); padding: .15rem .5rem; border-radius: .3rem; background: rgba(0, 210, 255, .15); color: var(--cyan); border: 1px solid rgba(0, 210, 255, .3); white-space: nowrap; }
.capsule__stage {
  position: relative; height: 380px; margin-top: .75rem; border-radius: var(--r); overflow: hidden;
  background: linear-gradient(to bottom, #061935, #010b1a); display: grid; place-items: center;
}
.capsule__stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
#hydroCanvas { cursor: crosshair; }
.capsule__center { position: relative; pointer-events: none; display: flex; flex-direction: column; align-items: center; transition: opacity .6s; }
.capsule.has-3d .capsule__center { opacity: 0; }
.ring {
  position: relative; width: 8rem; height: 8rem; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid rgba(0, 210, 255, .3); background: rgba(0, 210, 255, .05);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  box-shadow: 0 0 30px rgba(0, 210, 255, .25); animation: floatSlow 5s ease-in-out infinite;
}
.ring::before { content: ""; position: absolute; width: 5rem; height: 5rem; border-radius: 50%; border: 1px dashed rgba(0, 210, 255, .6); animation: spin 20s linear infinite; }
.ring .ms { font-size: 40px; color: var(--cyan); }
.hint { margin-top: .75rem; padding: .25rem .75rem; border-radius: 999px; background: rgba(1, 14, 36, .8); border: 1px solid rgba(0, 210, 255, .3); font: 11px var(--mono); color: var(--cyan); }
.capsule__hint { position: absolute; left: 50%; bottom: 5.25rem; transform: translateX(-50%); z-index: 2; pointer-events: none; opacity: 0; transition: opacity .6s; white-space: nowrap; }
.capsule.has-3d .capsule__hint { opacity: 1; }
.hud {
  position: absolute; z-index: 2; pointer-events: none; display: flex; align-items: center; gap: .5rem;
  padding: .4rem .65rem; border-radius: var(--r-sm); font-size: 12px;
  background: rgba(1, 14, 36, .85); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border: 1px solid var(--hair-2);
}
.hud .ms { font-size: 16px; color: var(--cyan); }
.hud small { display: block; font: 9px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--outline); }
.hud strong { display: block; font-size: 11px; color: var(--white); }
.hud--tl { top: .75rem; left: .75rem; }
.hud--tr { top: .75rem; right: .75rem; }
.hud--tr .ms, .hud--tr strong { color: var(--emerald); }
.hud--bottom {
  left: .75rem; right: .75rem; bottom: .75rem; justify-content: space-between; padding: .75rem; border-radius: var(--r);
  background: rgba(1, 14, 36, .9); border-color: var(--glass-border);
}
.hud--bottom > div { display: flex; align-items: center; gap: .6rem; }
.hud__icon { width: 2rem; height: 2rem; border-radius: var(--r-sm); background: rgba(0, 210, 255, .2); display: grid; place-items: center; }
.hud__icon .ms { font-size: 18px; }
.hud--bottom small { font-size: 10px; }
.hud--bottom strong { font-size: 13px; }
.hud--bottom .text-right { text-align: right; display: block; }
.hud--bottom .text-right strong { color: var(--cyan); }
.capsule__foot { display: flex; justify-content: space-between; gap: 1rem; margin-top: .75rem; padding-top: .5rem; border-top: 1px solid rgba(255, 255, 255, .05); font-size: 11px; color: var(--muted); }
.capsule__foot b { font: 600 11px var(--mono); color: var(--cyan); }

/* ---------- Hizmet kartları (3D tilt) ---------- */
.grid { display: grid; gap: 1.5rem; }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.tilt-card {
  position: relative; display: flex; flex-direction: column; justify-content: space-between;
  padding: 1.5rem; border-radius: var(--r-lg); background: var(--low); border: 1px solid rgba(255, 255, 255, .05);
  transform-style: preserve-3d; perspective: 1000px;
  transition: transform .4s cubic-bezier(.2, .8, .2, 1), box-shadow .4s ease, border-color .3s;
}
.tilt-card:hover { transform: translateY(-6px) rotateX(3deg) rotateY(-2deg); box-shadow: 0 20px 35px -10px rgba(0, 210, 255, .2); border-color: rgba(0, 210, 255, .4); }
.tilt-card[data-tilt]:hover { transform: translateY(-6px) rotateX(var(--rx, 3deg)) rotateY(var(--ry, -2deg)); }
.icon-box {
  width: 3rem; height: 3rem; border-radius: var(--r); display: grid; place-items: center; margin-bottom: 1.25rem;
  background: rgba(0, 210, 255, .15); color: var(--cyan); transition: transform .3s, background .3s, color .3s;
}
.icon-box .ms { font-size: 28px; }
.tilt-card:hover .icon-box { transform: scale(1.1); background: var(--cyan); color: var(--deep); }
.card-num { font: 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--outline); }
.card-title { margin: .25rem 0 .5rem; font-size: 1.125rem; font-weight: 700; letter-spacing: -.01em; transition: color .2s; }
.tilt-card:hover .card-title, .tech-card:hover .card-title, .project-card:hover .card-title { color: var(--cyan); }
.card-text { font-size: 12.5px; line-height: 1.65; color: var(--muted); margin-bottom: 1.5rem; }
.bullets { list-style: none; margin: 0; padding: 1rem 0 0; border-top: 1px solid rgba(255, 255, 255, .05); display: grid; gap: .5rem; font-size: 12px; color: var(--on); }
.bullets li { display: flex; align-items: center; gap: .5rem; }
.bullets li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); flex-shrink: 0; }
.bullets a:hover { color: var(--cyan); }
.stretched::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }

/* ---------- Vitrin şeridi ---------- */
.section--tight { padding-bottom: 3rem; }
.carousel-nav { display: flex; gap: .5rem; }
.showcase { position: relative; border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--glass-border); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, .55); background: var(--lowest); }
.showcase__track {
  display: grid; grid-auto-flow: column; grid-auto-columns: 100%;
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; overscroll-behavior-x: contain;
  scrollbar-width: none;
}
.showcase__track::-webkit-scrollbar { display: none; }
.showcase__track:focus-visible { outline-offset: -3px; }
.showcase__slide { position: relative; margin: 0; scroll-snap-align: start; aspect-ratio: 1920 / 650; }
.showcase__slide img { width: 100%; height: 100%; object-fit: cover; }
.showcase__slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(1, 14, 36, .82) 0%, rgba(1, 14, 36, .35) 38%, transparent 62%); pointer-events: none; }
.showcase__caption {
  position: absolute; z-index: 1; left: clamp(1rem, 4vw, 3rem); bottom: clamp(1rem, 4vw, 3rem); max-width: 26rem;
  display: flex; flex-direction: column; align-items: flex-start; gap: .5rem;
}
.showcase__caption strong { font-size: clamp(1.25rem, 1rem + 1.2vw, 2rem); font-weight: 800; letter-spacing: -.02em; color: #fff; line-height: 1.15; }
.showcase__caption span { color: #d6e3ff; font-size: 14px; }
.showcase__caption .btn { margin-top: .5rem; padding: .6rem 1rem; }
.showcase__dots { position: absolute; z-index: 2; right: 1.25rem; bottom: 1.25rem; display: flex; gap: .4rem; }
.showcase__dots button { width: .55rem; height: .55rem; border-radius: 999px; border: 0; padding: 0; cursor: pointer; background: rgba(255, 255, 255, .35); transition: width .3s, background .3s; }
.showcase__dots button[aria-selected="true"] { width: 1.6rem; background: var(--cyan); }

/* ---------- Teknoloji kartları ---------- */
.tech-card {
  position: relative; display: flex; flex-direction: column; justify-content: space-between;
  padding: 1.5rem; border-radius: var(--r-lg); background: var(--cont); border: 1px solid rgba(255, 255, 255, .05);
  transition: border-color .3s, transform .3s;
}
.tech-card:hover { border-color: rgba(0, 210, 255, .4); }
.tech-card__top { display: flex; justify-content: space-between; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.tech-card__icon { width: 2.75rem; height: 2.75rem; border-radius: var(--r); background: var(--highest); color: var(--cyan); display: grid; place-items: center; transition: transform .3s; }
.tech-card__icon .ms { font-size: 24px; }
.tech-card:hover .tech-card__icon { transform: scale(1.1); }
.tech-card .badge { font: 12px var(--mono); padding: .25rem .6rem; border-radius: .3rem; background: var(--lowest); color: var(--cyan); border: 1px solid rgba(0, 210, 255, .2); text-align: right; }
.tech-card:nth-child(2) .badge { color: var(--emerald); border-color: rgba(52, 211, 153, .2); }
.tech-card .card-title { font-size: 1.25rem; }
.tech-card p { font-size: 14px; line-height: 1.65; color: var(--muted); }
.tech-card__foot { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, .05); color: var(--cyan); font-size: 12px; font-weight: 700; }
.tech-card__foot .ms { font-size: 18px; transition: transform .2s; }
.tech-card:hover .tech-card__foot .ms { transform: translateX(4px); }

/* ---------- Neden Efes / kıyaslama ---------- */
.why { display: grid; grid-template-columns: 5fr 7fr; gap: 3rem; align-items: center; }
.why__copy { display: flex; flex-direction: column; gap: 1.25rem; }
.why__copy > p { color: var(--muted); font-size: 1rem; line-height: 1.7; }
.why__list { display: grid; gap: .75rem; padding-top: .5rem; }
.why-item { display: flex; gap: .75rem; align-items: flex-start; padding: .9rem; border-radius: var(--r); background: var(--cont); border: 1px solid rgba(255, 255, 255, .05); }
.why-item__icon { width: 2rem; height: 2rem; border-radius: var(--r-sm); background: rgba(0, 210, 255, .2); color: var(--cyan); display: grid; place-items: center; }
.why-item h3 { font-size: 14px; font-weight: 700; letter-spacing: 0; }
.why-item p { font-size: 12px; color: var(--muted); margin-top: .15rem; }
.matrix { border-radius: var(--r-lg); overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, .6); }
.matrix__row { display: grid; grid-template-columns: 1fr 1.2fr 1.3fr; gap: 1rem; padding: 1rem; font-size: 12.5px; transition: background .2s; }
.matrix__row:nth-child(even) { background: rgba(1, 14, 36, .5); }
.matrix__row:hover { background: rgba(17, 32, 54, .6); }
.matrix__row + .matrix__row { border-top: 1px solid rgba(255, 255, 255, .05); }
.matrix__head { background: var(--high) !important; font-size: 14px; font-weight: 700; color: var(--white); border-bottom: 1px solid var(--hair-2); }
.matrix__head span:nth-child(2) { color: var(--outline); }
.matrix__head span:nth-child(3) { color: var(--cyan); display: flex; align-items: center; gap: .25rem; }
.matrix__row > span:first-child { font-weight: 600; color: var(--white); }
.matrix__row > span:nth-child(2) { color: var(--muted); }
.matrix__row .ok { color: var(--cyan); font-weight: 700; display: flex; gap: .3rem; align-items: flex-start; }
.matrix__row .ok .ms { font-size: 15px; margin-top: .1rem; }

/* ---------- Projeler ---------- */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.filter {
  padding: .5rem 1rem; border-radius: var(--r-sm); border: 1px solid rgba(255, 255, 255, .05); cursor: pointer;
  background: var(--cont); color: var(--muted); font-size: 12px; font-weight: 600; transition: all .2s;
}
.filter:hover { color: var(--white); }
.filter.is-active { background: var(--cyan); color: var(--deep); border-color: var(--cyan); font-weight: 700; }
.project-card {
  position: relative; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden;
  border-radius: var(--r-lg); background: var(--low); border: 1px solid rgba(255, 255, 255, .05); transition: border-color .3s, opacity .3s, transform .3s;
}
.project-card:hover { border-color: rgba(0, 210, 255, .4); }
.project-card[hidden] { display: none; }
.project-card__media { position: relative; height: 16rem; overflow: hidden; background: var(--cont); }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.project-card:hover .project-card__media img { transform: scale(1.05); }
.project-card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, var(--deep), transparent 60%); }
.project-card__loc { position: absolute; z-index: 1; top: .75rem; left: .75rem; padding: .25rem .75rem; border-radius: 999px; background: rgba(10, 25, 47, .9); border: 1px solid rgba(0, 210, 255, .3); font: 12px var(--mono); color: var(--cyan); text-transform: uppercase; }
.project-card__count { position: absolute; z-index: 1; top: .75rem; right: .75rem; display: flex; align-items: center; gap: .25rem; padding: .25rem .6rem; border-radius: 999px; background: rgba(10, 25, 47, .9); font: 11px var(--mono); color: var(--on); }
.project-card__count .ms { font-size: 14px; }
.project-card__body { padding: 1.5rem; }
.project-card__body p { font-size: 12.5px; color: var(--muted); margin-top: .5rem; }
.project-card__foot { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 1.5rem 1.5rem; border-top: 1px solid rgba(255, 255, 255, .05); font: 12px var(--mono); color: var(--outline); }
.project-card__foot b { color: var(--cyan); }
.project-card button.stretched { position: static; background: none; border: 0; padding: 0; cursor: zoom-in; text-align: left; color: inherit; }
.center-cta { display: flex; justify-content: center; margin-top: 2.5rem; }

/* ---------- Form ---------- */
.cta-panel { border-radius: var(--r-xl); padding: 3.5rem; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, .6); }
.cta-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 3rem; }
.cta-copy { display: flex; flex-direction: column; justify-content: space-between; gap: 1.5rem; }
.cta-copy h2 span { color: var(--cyan); display: block; }
.cta-copy > div:first-child { display: flex; flex-direction: column; gap: 1rem; }
.cta-copy p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.checks { display: grid; gap: .75rem; font-size: 13px; }
.checks li { display: flex; align-items: center; gap: .75rem; list-style: none; }
.checks { padding: 0; margin: 0; }
.checks .ms { color: var(--cyan); font-size: 20px; }
.form-card { padding: 2rem; border-radius: var(--r-lg); background: rgba(1, 14, 36, .8); border: 1px solid rgba(255, 255, 255, .05); box-shadow: inset 0 2px 8px rgba(0, 0, 0, .3); }
.form { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: 12px; font-weight: 600; color: var(--white); }
.input {
  width: 100%; padding: .8rem 1rem; border-radius: var(--r); font-size: 13px;
  background: var(--cont); border: 1px solid var(--hair-2); color: var(--white);
  transition: border-color .2s, box-shadow .2s;
}
.input::placeholder { color: var(--outline); }
.input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan), 0 0 12px rgba(0, 210, 255, .2); }
select.input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2300d2ff' d='M6 8 0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
select.input option { background: var(--cont); }
textarea.input { resize: vertical; min-height: 6rem; }
.check { display: flex; align-items: flex-start; gap: .6rem; font-size: 12px; color: var(--muted); cursor: pointer; }
.check input { appearance: none; width: 1.05rem; height: 1.05rem; margin: .05rem 0 0; flex-shrink: 0; border-radius: .25rem; border: 1px solid rgba(0, 210, 255, .4); background: var(--cont); cursor: pointer; display: grid; place-items: center; }
.check input:checked { background: var(--cyan); border-color: var(--cyan); }
.check input:checked::after { content: ""; width: .3rem; height: .55rem; border: solid var(--deep); border-width: 0 2px 2px 0; transform: rotate(45deg) translate(-1px, -1px); }
.check a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.alert { display: flex; align-items: center; gap: .6rem; padding: .9rem; border-radius: var(--r); font-size: 13px; border: 1px solid rgba(0, 210, 255, .4); background: var(--cont); color: var(--cyan); }
.alert .ms { font-size: 20px; }
.alert--error { border-color: rgba(255, 180, 171, .4); color: #ffb4ab; }
.alert[hidden] { display: none; }
.btn[disabled] { opacity: .6; pointer-events: none; }

/* ---------- İletişim şeridi ---------- */
.contact-strip { display: grid; grid-template-columns: 5fr 7fr; gap: 2.5rem; align-items: center; }
.contact-strip__copy { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-strip__copy > p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.info-list { display: grid; gap: .9rem; font-size: 13px; }
.info { display: flex; align-items: center; gap: .75rem; }
.info__icon { width: 2.25rem; height: 2.25rem; border-radius: var(--r-sm); background: var(--cont); color: var(--cyan); display: grid; place-items: center; flex-shrink: 0; }
.info__icon .ms { font-size: 18px; }
.info small { display: block; font: 10px var(--mono); letter-spacing: .06em; color: var(--outline); }
.info strong, .info a { font-weight: 600; color: var(--white); }
.info a:hover { color: var(--cyan); }
.info a.accent { color: var(--cyan); }
.map {
  position: relative; height: 22rem; border-radius: var(--r-lg); overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, .6);
}
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: invert(.9) hue-rotate(180deg) saturate(.6) brightness(.9) contrast(1.05); }
.map__card {
  position: absolute; left: 1rem; bottom: 1rem; right: 1rem; max-width: 28rem; z-index: 1;
  display: flex; align-items: center; gap: .75rem; padding: 1rem; border-radius: var(--r);
  background: rgba(1, 14, 36, .9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); box-shadow: 0 10px 25px rgba(0, 0, 0, .4);
}
.map__card .hud__icon { width: 2.5rem; height: 2.5rem; border-radius: var(--r); }
.map__card .ms { font-size: 24px; color: var(--cyan); }
.map__card strong { display: block; font-size: 12px; color: var(--white); }
.map__card small { display: block; font-size: 11px; color: var(--muted); }
.map__card a { margin-left: auto; color: var(--cyan); font-size: 12px; font-weight: 700; white-space: nowrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--lowest); border-top: 1px solid rgba(255, 255, 255, .05); color: var(--muted); font-size: 13px; }
.footer__main { padding: 3.5rem 0; border-bottom: 1px solid rgba(255, 255, 255, .05); }
.footer__grid { display: grid; grid-template-columns: 4fr 2fr 2fr 4fr; gap: 2.5rem; }
.footer__col { display: flex; flex-direction: column; gap: .55rem; }
.footer__col h2 { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .5rem; }
.footer__col a:hover { color: var(--cyan); }
.footer__brand { display: flex; align-items: center; gap: .75rem; font-weight: 700; font-size: 1.125rem; color: var(--white); text-transform: uppercase; letter-spacing: -.01em; }
.footer__brand::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.footer__about { line-height: 1.7; margin: .5rem 0; }
.inline-form { display: flex; gap: .4rem; padding: .35rem; border-radius: var(--r); background: var(--cont); border: 1px solid var(--hair-2); transition: border-color .2s; }
.inline-form:focus-within { border-color: var(--cyan); }
.inline-form input { flex: 1; min-width: 0; background: transparent; border: 0; padding: .3rem .75rem; font-size: 13px; color: var(--white); }
.inline-form input:focus { outline: none; }
.inline-form input::placeholder { color: var(--outline); }
.inline-form button { padding: .55rem 1rem; border-radius: var(--r-sm); border: 0; background: var(--cyan); color: var(--deep); font-weight: 700; font-size: 12px; cursor: pointer; transition: background .2s; }
.inline-form button:hover { background: var(--white); }
.footer__meta { display: flex; align-items: center; gap: .5rem; font: 11px var(--mono); color: var(--outline); }
.footer__meta .ms { font-size: 15px; color: var(--cyan); }
.footer__bottom { padding: 1.5rem 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: 11px; color: var(--outline); }
.footer__bottom nav { display: flex; gap: 1.5rem; }
.footer__bottom a:hover { color: var(--cyan); }

/* ---------- İç sayfalar ---------- */
.page-hero {
  position: relative; overflow: hidden; padding: 3.5rem 0 3rem;
  background: radial-gradient(circle at 70% 0%, rgba(0, 210, 255, .13) 0%, rgba(14, 36, 57, .35) 45%, rgba(4, 19, 41, 1) 85%);
  border-bottom: 1px solid var(--glass-border);
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; margin: 0 0 1rem; padding: 0; list-style: none; font: 12px var(--mono); color: var(--outline); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb li + li::before { content: "/"; margin-right: .35rem; color: var(--highest); }
.breadcrumb [aria-current] { color: var(--cyan); }
.page-hero h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); font-weight: 800; letter-spacing: -.03em; max-width: 50rem; }
.page-hero__lead { margin-top: 1rem; max-width: 46rem; color: var(--muted); font-size: 1.05rem; line-height: 1.7; }
.page-hero__icon { position: absolute; right: var(--gutter); top: 50%; transform: translateY(-50%); width: 9rem; height: 9rem; border-radius: 50%; display: grid; place-items: center; border: 1px solid rgba(0, 210, 255, .25); background: rgba(0, 210, 255, .05); box-shadow: 0 0 40px rgba(0, 210, 255, .15); animation: floatSlow 6s ease-in-out infinite; }
.page-hero__icon .ms { font-size: 56px; color: var(--cyan); }

.layout { display: grid; grid-template-columns: 18rem 1fr; gap: 2rem; align-items: start; }
.sidebar { position: sticky; top: calc(var(--header-h) - 1rem); display: grid; gap: 1rem; }
.side-nav { padding: .75rem; border-radius: var(--r-lg); }
.side-nav h2 { padding: .5rem .6rem .75rem; font: 700 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--outline); }
.side-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .15rem; }
.side-nav ul ul { margin: .15rem 0 .35rem .9rem; padding-left: .6rem; border-left: 1px solid var(--hair-2); }
.side-nav a { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .5rem .6rem; border-radius: var(--r-sm); font-size: 13px; color: var(--muted); transition: background .2s, color .2s; }
.side-nav a:hover { background: var(--cont); color: var(--white); }
.side-nav a.is-active { background: rgba(0, 210, 255, .1); color: var(--cyan); font-weight: 700; }
.side-nav a.is-parent { color: var(--white); font-weight: 600; }
.side-cta { padding: 1.25rem; border-radius: var(--r-lg); background: linear-gradient(145deg, rgba(0, 210, 255, .14), rgba(0, 162, 253, .06)); border: 1px solid rgba(0, 210, 255, .25); }
.side-cta h2 { font-size: 1rem; margin-bottom: .35rem; }
.side-cta p { font-size: 12.5px; color: var(--muted); margin-bottom: 1rem; }
.side-cta .btn { width: 100%; }
.side-cta__phone { display: flex; align-items: center; justify-content: center; gap: .4rem; margin-top: .75rem; font-weight: 700; color: var(--white); }
.side-cta__phone .ms { color: var(--cyan); font-size: 18px; }

.article { padding: 2.5rem; border-radius: var(--r-xl); min-width: 0; }
.article:hover { border-color: var(--glass-border); }
.prose { color: var(--on); font-size: 15.5px; line-height: 1.8; }
.prose > * + * { margin-top: 1.1rem; }
.prose h2, .prose h3, .prose h4, .prose h5 { margin-top: 2rem; font-weight: 700; letter-spacing: -.01em; }
.prose h2 { font-size: 1.6rem; }
.prose h3 { font-size: 1.3rem; }
.prose h4, .prose h5 { font-size: 1.1rem; color: var(--cyan); }
.prose h4 + *, .prose h3 + *, .prose h5 + * { margin-top: .5rem; }
.prose > :first-child { margin-top: 0; }
.prose a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--white); }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose ul { list-style: none; padding-left: 0; }
.prose ul li { position: relative; padding-left: 1.25rem; }
.prose ul li::before { content: ""; position: absolute; left: .1rem; top: .7em; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.prose li + li { margin-top: .35rem; }
/* Ürün görselleri beyaz zeminli fotoğraflar: koyu temada "yapıştırılmış" durmasın diye yumuşak, aydınlık bir sahneye oturtulur */
.prose img {
  max-height: 22rem; width: auto; cursor: zoom-in; padding: 1rem;
  border-radius: var(--r-lg);
  background: radial-gradient(circle at 50% 40%, #ffffff 0%, #f3f8fc 55%, #dfeaf3 100%);
  border: 1px solid rgba(0, 210, 255, .22);
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, .65), inset 0 0 0 1px rgba(255, 255, 255, .7);
  transition: box-shadow .3s, transform .3s;
}
.prose img:hover { box-shadow: 0 22px 44px -18px rgba(0, 0, 0, .7), 0 0 0 1px rgba(0, 210, 255, .45), var(--glow); transform: translateY(-2px); }
.prose > p:has(> img:only-child) { display: flex; justify-content: center; }
.prose .alignleft, .prose img.alignleft { float: left; margin: .35rem 1.5rem 1rem 0; max-width: 45%; }
.prose .alignright, .prose img.alignright { float: right; margin: .35rem 0 1rem 1.5rem; max-width: 45%; }
.prose .aligncenter { margin-inline: auto; }
.prose::after { content: ""; display: block; clear: both; }
.prose table { width: 100%; border-collapse: collapse; font-size: 13.5px; display: block; overflow-x: auto; }
.prose th, .prose td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--hair); }
.prose th { background: var(--high); color: var(--white); font-weight: 700; white-space: nowrap; }
.prose tr:hover td { background: rgba(0, 210, 255, .04); }
.prose hr { border: 0; border-top: 1px solid var(--hair-2); margin: 2rem 0; }
.prose-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: 1rem; clear: both; }
.prose-gallery img { max-height: none; width: 100%; aspect-ratio: 1; object-fit: contain; margin: 0 !important; float: none !important; max-width: 100% !important; }
.soon { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1rem; padding: 3rem 2rem; border-radius: var(--r-xl); }
.soon .pill { align-self: center; }
.soon h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem); }
.soon p { max-width: 34rem; color: var(--muted); }
.soon__icon { margin-bottom: .5rem; }
.soon__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-top: .5rem; }

.children { margin-top: 2rem; }
.children h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.child-card {
  position: relative; display: flex; gap: 1rem; align-items: center; padding: 1rem; border-radius: var(--r-lg);
  background: var(--low); border: 1px solid rgba(255, 255, 255, .05); transition: border-color .3s, transform .3s;
}
.child-card:hover { border-color: rgba(0, 210, 255, .4); transform: translateY(-3px); }
.child-card__thumb { width: 4.5rem; height: 4.5rem; flex-shrink: 0; border-radius: var(--r); background: #fff; display: grid; place-items: center; overflow: hidden; }
.child-card__thumb img { width: 100%; height: 100%; object-fit: contain; padding: .35rem; }
.child-card__thumb--icon { background: rgba(0, 210, 255, .12); color: var(--cyan); }
.child-card__thumb--icon .ms { font-size: 30px; }
.child-card h3 { font-size: 15px; font-weight: 700; transition: color .2s; }
.child-card:hover h3 { color: var(--cyan); }
.child-card p { font-size: 12px; color: var(--muted); margin-top: .2rem; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.child-card > .ms { margin-left: auto; color: var(--outline); transition: transform .2s, color .2s; }
.child-card:hover > .ms { color: var(--cyan); transform: translateX(3px); }

/* Referanslar: özet şeridi ve kompakt kartlar */
.ref-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 3.5rem; }
.ref-stats .kpi { padding: 1.25rem; }
.ref-stats .kpi__value small { font-size: .55em; font-weight: 700; color: var(--muted); }
.ref-all-head { margin-top: 4.5rem; margin-bottom: 1.25rem; }
.search { position: relative; min-width: 18rem; }
.search .ms { position: absolute; left: .85rem; top: 50%; transform: translateY(-50%); color: var(--outline); pointer-events: none; }
.search .input { padding-left: 2.6rem; }
.filters--scroll { margin-bottom: 1.5rem; }
.filter b { margin-left: .3rem; font-family: var(--mono); font-size: 11px; opacity: .7; }
.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(17.5rem, 1fr)); gap: 1rem; }
.ref-card {
  display: flex; align-items: flex-start; gap: .9rem; padding: 1rem; border-radius: var(--r-lg);
  background: var(--low); border: 1px solid rgba(255, 255, 255, .05); transition: border-color .25s, transform .25s;
}
.ref-card:hover { border-color: rgba(0, 210, 255, .35); transform: translateY(-2px); }
.ref-card[hidden] { display: none; }
.ref-card__icon { width: 2.6rem; height: 2.6rem; border-radius: var(--r); background: rgba(0, 210, 255, .12); color: var(--cyan); display: grid; place-items: center; flex-shrink: 0; }
.ref-card__icon .ms { font-size: 22px; }
.ref-card__body { min-width: 0; flex: 1; }
.ref-card h3 { font-size: 14.5px; font-weight: 700; letter-spacing: -.01em; }
.ref-card p { font-size: 12.5px; color: var(--muted); margin-top: .1rem; }
.ref-card__meta { display: flex; flex-wrap: wrap; gap: .35rem .75rem; margin-top: .55rem; font: 11.5px var(--mono); color: var(--outline); }
.ref-card__meta span { display: inline-flex; align-items: center; gap: .25rem; }
.ref-card__meta .ms { font-size: 14px; color: var(--cyan); }
.ref-card__photo { position: relative; width: 3.75rem; height: 3.75rem; flex-shrink: 0; border-radius: var(--r); overflow: hidden; border: 1px solid rgba(0, 210, 255, .3); padding: 0; cursor: zoom-in; background: var(--cont); }
.ref-card__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.ref-card__photo:hover img { transform: scale(1.08); }
.ref-card__photo > span { position: absolute; inset: auto 0 0; display: flex; align-items: center; justify-content: center; gap: .15rem; padding: .1rem; background: rgba(1, 14, 36, .8); color: #fff; font: 10px var(--mono); }
.ref-card__photo .ms { font-size: 12px; }
.ref-empty { display: flex; align-items: center; justify-content: center; gap: .5rem; padding: 2rem; color: var(--muted); }
.ref-empty[hidden] { display: none; }

.muted { color: var(--outline); font-size: 12px; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 80; display: grid; grid-template-rows: auto 1fr auto; gap: .75rem; padding: 1rem;
  background: rgba(1, 10, 24, .94); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__bar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; color: var(--white); }
.lightbox__bar strong { font-size: 14px; }
.lightbox__bar small { display: block; color: var(--outline); font: 11px var(--mono); }
.lightbox__stage { position: relative; display: grid; place-items: center; min-height: 0; }
.lightbox__stage img { max-width: 100%; max-height: 100%; border-radius: var(--r); box-shadow: 0 0 0 1px rgba(0, 210, 255, .25), 0 30px 60px rgba(0, 0, 0, .6); object-fit: contain; }
.lightbox__btn { width: 2.75rem; height: 2.75rem; border-radius: 50%; border: 1px solid rgba(0, 210, 255, .3); background: rgba(14, 36, 57, .8); color: var(--white); display: grid; place-items: center; cursor: pointer; transition: background .2s; }
.lightbox__btn:hover { background: var(--cyan); color: var(--deep); }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev { left: .5rem; }
.lightbox__nav--next { right: .5rem; }
.lightbox__count { text-align: center; font: 12px var(--mono); color: var(--outline); }

/* 404 */
.not-found { text-align: center; padding: 7rem 0; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.not-found .ring { margin-bottom: 1rem; }
.not-found p { color: var(--muted); max-width: 30rem; }

/* Görünür olunca beliren öğeler */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .8, .2, 1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Tema düğmesi ---------- */
.theme-toggle {
  width: 2.75rem; height: 2.75rem; border-radius: var(--r-sm); border: 1px solid var(--hair-2); cursor: pointer;
  background: var(--cont); color: var(--on); display: grid; place-items: center; transition: color .2s, border-color .2s;
}
.theme-toggle:hover { color: var(--cyan); border-color: rgba(0, 210, 255, .4); }
.theme-toggle .ms { font-size: 21px; }
.theme-toggle .ms-light, [data-theme="light"] .theme-toggle .ms-dark { display: none; }
[data-theme="light"] .theme-toggle .ms-light { display: inline-block; }
.mobile-nav .theme-toggle { width: 100%; height: auto; padding: .8rem; display: flex; justify-content: center; gap: .5rem; font-weight: 700; }

/* ---------- Açık tema ---------- */
[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f8fc;
  --navy: #ffffff;
  --lowest: #eaf2f9;
  --low: #ffffff;
  --cont: #eef4fa;
  --high: #e1ebf4;
  --highest: #cfdeeb;
  --on: #1d2d42;
  --muted: #475a70;
  --outline: #66788c;
  --white: #0a1f38;
  --cyan: #0089b8;
  --blue: #0a6fd1;
  --primary: #0077b6;
  --secondary: #2a6fbf;
  --emerald: #047857;
  --glass: rgba(255, 255, 255, .78);
  --glass-border: rgba(0, 137, 184, .2);
  --hair: rgba(10, 31, 56, .08);
  --hair-2: rgba(10, 31, 56, .14);
  --glow: 0 0 24px rgba(0, 137, 184, .18);
}
/* Görsellerin ve 3D sahnenin üstündeki öğeler açık temada da koyu kalır */
[data-theme="light"] .force-dark {
  color-scheme: dark;
  --lowest: #010e24; --low: #0d1c32; --cont: #112036; --high: #1c2a41; --highest: #27354c;
  --on: #d6e3ff; --muted: #bbc9cf; --outline: #859399; --white: #fff; --cyan: #00d2ff; --emerald: #34d399;
  --hair: rgba(255, 255, 255, .06); --hair-2: rgba(255, 255, 255, .1); --glass-border: rgba(0, 210, 255, .18);
}
[data-theme="light"] ::selection { color: #fff; }
[data-theme="light"] .site-header { background: rgba(255, 255, 255, .9); border-bottom-color: var(--hair-2); box-shadow: 0 6px 24px -12px rgba(10, 31, 56, .18); }
[data-theme="light"] .topbar { background: #0a1f38; border-bottom-color: transparent; }
[data-theme="light"] .topbar .container { color: #c5d3e2; }
[data-theme="light"] .topbar .ms, [data-theme="light"] .topbar__phone:hover { color: #3fd6ff; }
[data-theme="light"] .topbar__address, [data-theme="light"] .topbar__tag { color: #9fb2c6; }
[data-theme="light"] .topbar .social a { background: rgba(255, 255, 255, .08); color: #c5d3e2; }
[data-theme="light"] .nav__link:hover, [data-theme="light"] .nav__item:focus-within > .nav__link { background: var(--cont); }
[data-theme="light"] .nav__link.is-active { background: var(--high); border-color: var(--hair); }
[data-theme="light"] .dropdown__panel { background: rgba(255, 255, 255, .98); border-color: var(--hair-2); box-shadow: 0 24px 48px -16px rgba(10, 31, 56, .25); }
[data-theme="light"] .mobile-nav { background: rgba(10, 31, 56, .35); }
[data-theme="light"] .btn-primary { color: #fff; box-shadow: 0 8px 20px -8px rgba(0, 120, 190, .55); }
[data-theme="light"] .btn-primary:hover { box-shadow: 0 12px 28px -8px rgba(0, 120, 190, .65); }
[data-theme="light"] .btn-glass, [data-theme="light"] .carousel-nav .lightbox__btn { background: #fff; color: var(--white); border-color: var(--hair-2); box-shadow: 0 4px 14px -8px rgba(10, 31, 56, .25); }
[data-theme="light"] .btn-glass:hover, [data-theme="light"] .carousel-nav .lightbox__btn:hover { background: var(--cont); border-color: rgba(0, 137, 184, .4); }
[data-theme="light"] .force-dark .btn-glass { background: rgba(28, 42, 65, .8); color: #fff; border-color: rgba(255, 255, 255, .15); box-shadow: none; }
[data-theme="light"] .hero { background: radial-gradient(circle at 50% 15%, rgba(0, 190, 240, .16) 0%, rgba(234, 242, 249, .7) 45%, #f4f8fc 80%); }
[data-theme="light"] .page-hero { background: radial-gradient(circle at 70% 0%, rgba(0, 190, 240, .16) 0%, rgba(234, 242, 249, .6) 45%, #f4f8fc 85%); }
[data-theme="light"] .blur-orb--a { background: rgba(0, 190, 240, .14); }
[data-theme="light"] .blur-orb--b { background: rgba(10, 111, 209, .1); }
[data-theme="light"] .hero__copy .pill { background: #fff; box-shadow: 0 4px 16px -8px rgba(0, 137, 184, .4); }
[data-theme="light"] .pill { background: rgba(0, 137, 184, .08); }
[data-theme="light"] .kpi { background: #fff; border-color: var(--hair-2); box-shadow: 0 6px 18px -12px rgba(10, 31, 56, .25); }
[data-theme="light"] .section--low { background: #eaf2f9; }
[data-theme="light"] .tilt-card, [data-theme="light"] .tech-card, [data-theme="light"] .project-card,
[data-theme="light"] .why-item, [data-theme="light"] .child-card, [data-theme="light"] .ref-card, [data-theme="light"] .filter {
  border-color: var(--hair-2); box-shadow: 0 6px 20px -14px rgba(10, 31, 56, .3);
}
[data-theme="light"] .filter { background: #fff; box-shadow: none; }
[data-theme="light"] .filter.is-active { background: var(--cyan); border-color: var(--cyan); color: #fff; }
[data-theme="light"] .tilt-card:hover { box-shadow: 0 22px 36px -16px rgba(0, 120, 190, .3); }
[data-theme="light"] .tilt-card:hover .icon-box { color: #fff; }
[data-theme="light"] .tech-card { background: #fff; }
[data-theme="light"] .tech-card .badge { background: var(--cont); }
[data-theme="light"] .matrix__row:nth-child(even) { background: var(--cont); }
[data-theme="light"] .matrix__row:hover { background: rgba(0, 137, 184, .06); }
[data-theme="light"] .matrix, [data-theme="light"] .capsule, [data-theme="light"] .cta-panel, [data-theme="light"] .map, [data-theme="light"] .showcase { box-shadow: 0 24px 50px -24px rgba(10, 31, 56, .35); }
[data-theme="light"] .form-card { background: #f4f8fc; border-color: var(--hair-2); box-shadow: inset 0 1px 4px rgba(10, 31, 56, .06); }
[data-theme="light"] .input { background: #fff; }
[data-theme="light"] .map iframe { filter: none; }
[data-theme="light"] .map__card { background: rgba(255, 255, 255, .94); }
[data-theme="light"] .inline-form { background: #fff; }
[data-theme="light"] .inline-form button { color: #fff; }
[data-theme="light"] .inline-form button:hover { background: var(--blue); }
[data-theme="light"] .site-footer { background: #e7eff7; }
[data-theme="light"] .side-cta { background: linear-gradient(145deg, rgba(0, 190, 240, .12), rgba(10, 111, 209, .05)); }
[data-theme="light"] .prose img { border-color: var(--hair-2); box-shadow: 0 14px 30px -18px rgba(10, 31, 56, .4); }
[data-theme="light"] .prose th { background: var(--high); }
[data-theme="light"] .ring { background: rgba(0, 137, 184, .06); }
[data-theme="light"] .brand__mark { background: #fff; border-color: var(--hair-2); }

/* ---------- Duyarlı yerleşim ---------- */
@media (max-width: 1279px) {
  .nav, .topbar .topbar__tag { display: none; }
  .menu-toggle { display: grid; }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1100px) {
  .hero__grid, .why, .cta-grid, .contact-strip { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; order: 2; }
  .page-hero__icon { display: none; }
}
@media (max-width: 767px) {
  :root { --gutter: 1rem; --header-h: 6.5rem; }
  .topbar .topbar__address, .topbar .social { display: none; }
  .navbar { height: 4rem; }
  .brand__mark { width: 2.5rem; height: 2.5rem; }
  .brand__title { font-size: 1.05rem; }
  .brand__sub { font-size: 9px; letter-spacing: .12em; }
  .navbar__actions .btn-primary span:not(.ms) { display: none; }
  .navbar__actions .btn-primary { padding: .7rem; }
  .navbar__actions .theme-toggle { display: none; }
  .section { padding: 3.5rem 0; }
  .hero { padding: 3rem 0; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .grid-5, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .capsule__stage { height: 320px; }
  .hud--tr { display: none; }
  .matrix__row { grid-template-columns: 1fr; gap: .25rem; }
  .matrix__head { display: none; }
  .matrix__row > span:nth-child(2)::before { content: "Geleneksel: "; color: var(--outline); }
  .cta-panel { padding: 1.5rem; }
  .form-card { padding: 1.25rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .article { padding: 1.25rem; }
  .prose .alignleft, .prose .alignright, .prose img.alignleft, .prose img.alignright { float: none; margin: 1rem 0; max-width: 100%; }
  .ref-stats { grid-template-columns: repeat(2, 1fr); margin-bottom: 2.5rem; }
  .ref-all-head { margin-top: 3rem; }
  .ref-tools, .search { width: 100%; min-width: 0; }
  .filters--scroll { flex-wrap: nowrap; overflow-x: auto; margin-inline: calc(var(--gutter) * -1); padding: 0 var(--gutter) .25rem; scrollbar-width: none; }
  .filters--scroll .filter { white-space: nowrap; }
  .showcase__slide { aspect-ratio: 4 / 3; }
  .showcase__slide::after { background: linear-gradient(0deg, rgba(1, 14, 36, .9) 0%, rgba(1, 14, 36, .4) 45%, transparent 70%); }
  .showcase__caption { right: 1rem; max-width: none; }
  .showcase__caption span { font-size: 13px; }
  .showcase__dots { top: 1rem; bottom: auto; }
  .carousel-nav { display: none; }
  .map { height: 18rem; }
  .map__card a { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}