:root {
  --ink: #210047;
  --ink-deep: #13012b;
  --blue: #5268bd;
  --coral: #ff5b3d;
  --paper: #f7f8fc;
  --white: #ffffff;
  --text: #252739;
  --muted: #686b7b;
  --line: #dde1ec;
  --max: 1240px;
  --shadow: 0 24px 70px rgba(25, 10, 55, .12);
}

* { box-sizing: border-box; }
.opening-poster { position:fixed; inset:0; z-index:1000; background:rgba(12,8,25,.58); backdrop-filter:blur(5px); display:flex; align-items:center; justify-content:center; padding:24px; overflow:hidden; color:white; transition:opacity .3s ease; }
.poster-window { position:relative; isolation:isolate; width:70vw; max-width:1340px; max-height:calc(100dvh - 48px); background:var(--ink-deep); border:1px solid #ffffff70; border-radius:18px; overflow:hidden; box-shadow:0 32px 100px #08001480,0 0 0 6px #ffffff12; }
.opening-poster[hidden] { display:none; }
.opening-poster.closing { opacity:0; pointer-events:none; }
.opening-poster-background { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.poster-window::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(19,1,43,.6),rgba(19,1,43,.1) 85%); pointer-events:none; }
.poster-content { position:relative; z-index:1; width:100%; padding:clamp(28px,3vw,56px); }
.poster-masthead { position:relative; isolation:isolate; width:fit-content; max-width:100%; }
.poster-content.shell { width:100%; }
.poster-masthead::before { content:""; position:absolute; z-index:-1; top:calc(-1 * clamp(28px,3vw,56px)); left:calc(-1 * clamp(28px,3vw,56px)); right:-20px; height:calc(100% + clamp(28px,3vw,56px) - 26px); background:url("assets/poster-white-curve.svg") center / 100% 100% no-repeat; pointer-events:none; }
.poster-logo { background:transparent; padding:20px 24px; width:310px; margin-bottom:34px; border-radius:3px; }
.poster-logo img { width:100%; }
.poster-content .eyebrow { color:#c4ceef; }
.poster-content h2 { color:white; font-size:clamp(2rem,3.5vw,4.2rem); max-width:650px; margin-top:20px; line-height:1.08; }
.poster-content p { letter-spacing:.025em; font-size:clamp(1rem,1.6vw,1.3rem); font-weight:600; color:#e4e7f5; }
.poster-rule { background:var(--coral); width:72px; height:5px; margin:30px 0 20px; }
.poster-signature { margin-top:0; margin-left:clamp(90px,12vw,190px); width:fit-content; }
.poster-signature[hidden] { display:none; }
.poster-signature-image { width:clamp(220px,24vw,310px); height:auto; filter:brightness(0) invert(1); opacity:.88; transform:translateY(-8px) rotate(-9deg); transform-origin:center; }
.poster-signature-name { display:block; color:white; font-family:Georgia,"Times New Roman",serif; font-style:italic; font-size:clamp(1.5rem,2.2vw,2rem); letter-spacing:.01em; }
.poster-signature-brand { display:block; color:#c4c9dd; font-size:.72rem; font-weight:600; letter-spacing:.15em; margin-top:6px; }
.poster-close { position:absolute; top:22px; right:24px; z-index:2; width:48px; height:48px; background:#13012baa; color:white; border:1px solid #ffffff70; border-radius:50%; font-size:2rem; cursor:pointer; }
@media(max-width:680px) { .opening-poster-background { object-position:65% center; opacity:.48; } .poster-logo { width:230px; margin-bottom:24px; } .poster-content h2 { max-width:95%; font-size:clamp(1.8rem,7vw,2.6rem); } .poster-content { padding-block:54px; } .poster-signature { margin-top:24px; } }
@media(max-height:600px) { .poster-content { padding-block:16px; } .poster-logo { width:200px; margin-bottom:16px; padding:12px 16px; } .poster-content h2 { font-size:2rem; max-width:580px; margin-top:12px; } .poster-rule { margin:16px 0 12px; } .poster-signature { margin-top:16px; padding-top:12px; } }
@media(prefers-reduced-motion:reduce) { .opening-poster { transition:none; } }
@media(max-width:900px) { .poster-window { width:88vw; } .poster-logo { width:240px; margin-bottom:24px; } }
@media(max-width:680px) { .opening-poster { padding:16px; } .poster-window { width:100%; max-height:calc(100dvh - 32px); border-radius:14px; } .poster-content { padding:30px 24px; } .poster-content .eyebrow { max-width:80%; font-size:.65rem; } .poster-close { top:12px; right:12px; width:36px; height:36px; font-size:1.5rem; } .poster-logo { width:200px; } }
@media(max-width:680px) { .poster-masthead::before { top:-30px; left:-24px; right:-20px; } .poster-signature { margin-left:48px; margin-top:0; } .poster-signature-image { width:220px; } }
@media(max-height:600px) { .poster-masthead::before { top:-16px; } .poster-signature { margin-top:0; padding-top:0; } }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.shell { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 30px; height: 3px; background: var(--coral); }
h1, h2, h3 { color: var(--ink); line-height: 1.08; letter-spacing: -.035em; margin: 0; }
h1 { font-size: clamp(3rem, 6.2vw, 6.3rem); max-width: 900px; }
h2 { font-size: clamp(2.1rem, 4vw, 4rem); }
h3 { font-size: 1.35rem; }
p { margin: 0; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid transparent;
  font-weight: 800;
  font-size: .92rem;
  letter-spacing: .02em;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--coral); color: white; }
.button-dark { background: var(--ink); color: white; }
.button-ghost { border-color: rgba(255,255,255,.48); color: white; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(221,225,236,.85);
}
.language-bar { background: var(--ink-deep); color: white; }
.language-inner { min-height: 34px; display: flex; align-items: center; justify-content: flex-end; gap: 7px; }
.language-inner span { margin-right: 8px; color: #aeb2c5; font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.language-button { appearance: none; border: 0; border-left: 1px solid rgba(255,255,255,.16); background: transparent; color: #cfd1dd; padding: 2px 9px; font-size: .72rem; font-weight: 850; letter-spacing: .08em; cursor: pointer; }
.language-button:hover, .language-button.active { color: white; background: var(--coral); }
.nav { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand img { width: 235px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: .88rem; font-weight: 750; }
.nav-links a:not(.button):hover, .nav-links a[aria-current="page"] { color: var(--coral); }
.menu-toggle { display: none; background: transparent; border: 0; color: var(--ink); font-size: 1.65rem; }

.hero {
  position: relative;
  min-height: calc(100vh - 84px);
  display: grid;
  align-items: center;
  color: white;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(19,1,43,.98) 0%, rgba(33,0,71,.94) 47%, rgba(33,0,71,.74) 100%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(255,255,255,.06) 80px),
    repeating-linear-gradient(0deg, transparent 0 79px, rgba(255,255,255,.06) 80px);
}
.hero::after {
  content: "";
  position: absolute;
  right: -160px;
  top: 5%;
  width: 650px;
  height: 650px;
  border: 110px solid rgba(82,104,189,.25);
  transform: rotate(45deg);
}
.hero-inner { position: relative; z-index: 2; padding: 100px 0 78px; }
.hero h1 { color: white; margin-top: 24px; }
.hero h1 span { color: var(--coral); }
.hero-copy { max-width: 720px; margin: 28px 0 36px; color: #e8e7ef; font-size: 1.18rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-footer { display: flex; gap: 38px; margin-top: 76px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.18); max-width: 850px; }
.hero-footer strong { display: block; color: white; font-size: .9rem; }
.hero-footer span { display: block; color: #bfc3d4; font-size: .82rem; }

/* Homepage: bright editorial copy balanced by a construction visual. */
.home-page .hero { min-height:auto; background:#f7f8fc; color:var(--text); }
.home-page .hero::after { display:none; }
.home-page .hero-inner { padding:64px 0 0; }
.hero-layout { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.hero-message { padding:12px 0; }
.home-page .hero h1 { color:var(--ink); font-size:clamp(2.5rem,4.3vw,4.5rem); line-height:1.08; max-width:650px; margin-top:24px; }
.home-page .hero-copy { color:var(--muted); font-size:1.05rem; max-width:560px; margin:26px 0 30px; line-height:1.8; }
.home-page .hero .button { border-radius:4px; }
.home-page .hero .button-ghost { color:var(--ink); border-color:#c9c9d8; background:transparent; }
.home-page .hero .button-ghost:hover { background:white; }
.hero-discover { display:inline-flex; align-items:center; gap:12px; margin-top:32px; color:var(--ink); font-size:.82rem; font-weight:650; }
.hero-discover > span:first-child { display:grid; place-items:center; border:1px solid var(--line); border-radius:50%; width:32px; height:32px; font-size:1rem; }
.hero-media { position:relative; margin:0; min-height:520px; border-radius:12px 12px 64px 12px; overflow:hidden; background:var(--ink); box-shadow:0 24px 60px #2100471a; }
.hero-media > img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:50% center; }
.hero-media::after { content:""; position:absolute; inset:45% 0 0; background:linear-gradient(transparent,#13012be6); pointer-events:none; }
.hero-media-tag { position:absolute; z-index:1; bottom:64px; left:32px; right:24px; display:flex; gap:12px; align-items:center; color:white; font-size:1.35rem; font-weight:750; letter-spacing:-.025em; }
.hero-media-tag > span:first-child { width:28px; height:3px; background:var(--coral); flex-shrink:0; }
.hero-media figcaption { position:absolute; z-index:1; bottom:28px; left:32px; right:24px; color:#d7d9e8; font-size:.7rem; }
.hero-portfolio { display:grid; gap:14px; min-width:0; }
.hero-portfolio .hero-media { min-height:340px; border-bottom-right-radius:36px; }
.hero-portfolio-details { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.hero-portfolio-details figure { margin:0; position:relative; height:180px; overflow:hidden; background:var(--ink); border-radius:8px; }
.hero-portfolio-details img { width:100%; height:100%; object-fit:cover; }
.hero-portfolio-details figure::after { content:""; position:absolute; inset:40% 0 0; background:linear-gradient(transparent,#13012be6); }
.hero-portfolio-details figcaption { position:absolute; z-index:1; bottom:16px; left:18px; right:16px; color:white; font-weight:700; font-size:.9rem; line-height:1.35; }
@media(max-width:420px) { .hero-portfolio-details figure { height:155px; } .hero-portfolio-details figcaption { left:12px; font-size:.8rem; } }
.home-page .hero-footer { display:grid; grid-template-columns:repeat(3,1fr); max-width:none; margin-top:54px; padding:28px 0; gap:28px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.home-page .hero-footer > div { display:flex; gap:20px; align-items:center; }
.home-page .hero-footer > div + div { padding-left:28px; border-left:1px solid var(--line); }
.home-page .hero-footer b { color:var(--coral); font-size:.8rem; letter-spacing:.08em; }
.home-page .hero-footer strong { color:var(--ink); font-size:.94rem; }
.home-page .hero-footer span { color:var(--muted); font-size:.8rem; }
.hero-discover:focus-visible, .language-button:focus-visible, .menu-toggle:focus-visible, a:focus-visible { outline:3px solid var(--blue); outline-offset:5px; }
#yaklasim { scroll-margin-top:110px; }
@media(max-width:1020px) { .hero-layout { gap:28px; } .hero-media { min-height:480px; } .home-page .hero h1 { font-size:clamp(2.3rem,4.5vw,3.7rem); } }
@media(max-width:760px) { .hero-layout { grid-template-columns:1fr; gap:32px; } .home-page .hero-inner { padding-top:36px; } .hero-media { min-height:340px; border-bottom-right-radius:40px; } .home-page .hero h1 { font-size:clamp(2.5rem,7vw,3.8rem); } .home-page .hero-footer { grid-template-columns:1fr; margin-top:32px; gap:18px; } .home-page .hero-footer > div + div { padding-left:0; border-left:0; } .hero-discover { margin-top:24px; } .hero-media-tag { left:24px; font-size:1.2rem; } .hero-media figcaption { left:24px; } }

.section { padding: 112px 0; }
.section-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: end; margin-bottom: 54px; }
.section-head p { color: var(--muted); font-size: 1.06rem; max-width: 660px; }
.intro-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 34px; }
.intro-panel { background: white; padding: 54px; box-shadow: var(--shadow); }
.intro-panel p { color: var(--muted); font-size: 1.08rem; margin-top: 24px; }
.intro-title { font-size:clamp(1.6rem,2.3vw,2rem); margin-top:18px; }
.purpose-grid { display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:32px; }
.purpose-card { position:relative; background:white; padding:36px; border-top:3px solid var(--blue); }
.purpose-card:last-child { border-top-color:var(--coral); }
.purpose-number { display:block; color:var(--blue); font-size:.75rem; font-weight:800; letter-spacing:.1em; margin-bottom:18px; }
.purpose-card:last-child .purpose-number { color:var(--coral); }
.purpose-card h3 { font-size:1.7rem; }
.purpose-card p { margin-top:18px; color:var(--muted); line-height:1.8; }
@media(max-width:680px) { .purpose-grid { grid-template-columns:1fr; } .purpose-card { padding:28px 24px; } }
.principles { background: var(--ink); color: white; padding: 44px; display: grid; gap: 24px; }
.principle { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.14); }
.principle:last-child { border-bottom: 0; padding-bottom: 0; }
.principle b { color: var(--coral); font-size: 1.35rem; }
.principle strong { display: block; color: white; }
.principle span { color: #bdc0d0; font-size: .9rem; }

.services { background: white; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 270px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; }
.service-number { color: var(--coral); font-weight: 900; font-size: .82rem; letter-spacing: .12em; }
.service-card h3 { margin: 58px 0 14px; }
.service-card p { color: var(--muted); font-size: .93rem; }
.service-card:hover { background: var(--ink); }
.service-card:hover h3, .service-card:hover p { color: white; }

.projects { background: #eef0f7; }
.project-feature {
  min-height: 470px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.project-visual {
  position: relative;
  min-height: 420px;
  background:
    linear-gradient(135deg, rgba(33,0,71,.15), rgba(82,104,189,.65)),
    repeating-linear-gradient(135deg, #d6daea 0 30px, #c5cbe1 30px 60px);
}
.project-visual::before, .project-visual::after { content:""; position:absolute; border: 4px solid rgba(255,255,255,.8); }
.project-visual::before { inset: 16% 12% 22% 19%; }
.project-visual::after { inset: 30% 27% 10% 8%; }
.project-note { position: absolute; left: 28px; bottom: 26px; background: white; color: var(--ink); padding: 12px 18px; font-size: .78rem; font-weight: 800; }
.project-copy { background: var(--ink); color: white; padding: 60px; display: flex; flex-direction: column; justify-content: center; }
.project-copy h3 { color: white; font-size: 2.1rem; margin: 18px 0; }
.project-copy p { color: #c9cad5; }
.project-copy .button { align-self: flex-start; margin-top: 32px; }
.placeholder-label { display: inline-block; color: var(--coral); font-size: .76rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }

.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 46px; }
.quality-card { padding: 32px; border-left: 4px solid var(--blue); background: white; }
.quality-card:nth-child(2) { border-color: var(--coral); }
.quality-card p { margin-top: 12px; color: var(--muted); font-size: .93rem; }

.cta { background: var(--blue); color: white; }
.cta-inner { padding: 76px 0; display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.cta h2 { color: white; max-width: 720px; }
.cta p { margin-top: 16px; color: #eef0ff; }

.site-footer { background: var(--ink-deep); color: #c9cad5; padding: 68px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.25fr repeat(3, .75fr); gap: 50px; }
.footer-brand img { width: 260px; filter: brightness(0) invert(1); opacity: .92; }
.footer-brand p { max-width: 370px; margin-top: 22px; }
.site-footer h3 { color: white; font-size: 1rem; margin-bottom: 18px; }
.footer-links { display: grid; gap: 10px; font-size: .9rem; }
.footer-bottom { margin-top: 52px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: .8rem; display:flex; justify-content:space-between; gap:20px; }

.page-hero { background: var(--ink); color:white; padding: 120px 0 80px; }
.page-hero h1 { color:white; font-size: clamp(2.8rem, 5vw, 5rem); }
.page-hero p { max-width: 700px; margin-top: 22px; color:#cacbd7; }
.placeholder-page { min-height: 46vh; padding: 90px 0; }
.placeholder-page .panel { background: white; padding: 50px; border-left: 5px solid var(--coral); }

@media (max-width: 1020px) {
  .nav-links { display: none; position:absolute; top:84px; left:0; right:0; background:white; padding:28px; flex-direction:column; align-items:flex-start; box-shadow:var(--shadow); }
  .nav-links.open { display:flex; }
  .menu-toggle { display:block; }
  .section-head, .intro-grid, .project-feature { grid-template-columns: 1fr; gap: 28px; }
  .service-grid, .quality-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .shell { width: min(100% - 30px, var(--max)); }
  .brand img { width: 190px; }
  .language-inner span { display:none; }
  .hero { min-height:auto; }
  .hero-inner { padding: 76px 0 52px; }
  .hero-footer { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:52px; }
  .section { padding: 76px 0; }
  .intro-panel, .project-copy { padding: 34px 26px; }
  .service-grid, .quality-grid, .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { align-items:flex-start; flex-direction:column; }
  .footer-bottom { flex-direction:column; }
}