:root {
  --navy: #1c2e4e;
  --ink: #1a1526;
  --blue: #1f6fa8;
  --sky: #45a3d9;
  --text: #2a3446;
  --muted: #64708a;
  --line: #e3e8f0;
  --tint: #f3f6fa;
  --bg: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px -12px rgba(28, 46, 78, .25);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font-family: Manrope, system-ui, sans-serif; color: var(--text); background: var(--bg); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--blue); }
h1, h2, h3 { color: var(--navy); line-height: 1.15; margin: 0 0 .6em; letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .78rem; font-weight: 700; color: var(--blue); margin: 0 0 1rem; }

.btn { display: inline-block; background: var(--blue); color: #fff; padding: .85rem 1.5rem; border-radius: 999px; text-decoration: none; font-weight: 700; border: 0; cursor: pointer; font: inherit; font-weight: 700; transition: background .2s, transform .2s; }
.btn:hover { background: var(--navy); transform: translateY(-1px); }
.btn-sm { padding: .55rem 1.1rem; font-size: .92rem; }
.btn-ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.1); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: .6rem; }
.brand-mark { height: 38px; width: auto; }
.brand-word { height: 22px; width: auto; }
.menu { display: flex; align-items: center; gap: 1.8rem; }
.menu a:not(.btn) { color: var(--navy); text-decoration: none; font-weight: 600; font-size: .95rem; }
.menu a:not(.btn):hover { color: var(--blue); }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--navy); margin: 7px 8px; transition: transform .2s; }

/* Hero */
.hero { position: relative; overflow: hidden; color: #fff; padding: clamp(5rem, 12vw, 9rem) 0 clamp(4rem, 8vw, 6rem);
  background: linear-gradient(160deg, rgba(26,21,38,.92), rgba(28,46,78,.88) 45%, rgba(31,111,168,.82)), var(--hero-img, none) center/cover, var(--ink); }
.hero-strata { position: absolute; inset: auto 0 0 0; width: 100%; height: 70%; color: #fff; pointer-events: none; }
.hero-strata .flow { stroke-dasharray: 600 2400; animation: flow 9s linear infinite; }
@keyframes flow { from { stroke-dashoffset: 3000; } to { stroke-dashoffset: 0; } }
.hero::after { content: ""; position: absolute; right: -4%; top: 8%; width: min(46vw, 620px); aspect-ratio: 1; background: url(../img/logo-mark.png) center/contain no-repeat; opacity: .14; filter: brightness(1.6); pointer-events: none; }
.hero-inner { position: relative; z-index: 1; }
@media (max-width: 760px) { .hero::after { opacity: .07; width: 80vw; } }
.hero .eyebrow { color: var(--sky); }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5.4vw, 4.2rem); font-weight: 800; max-width: 16ch; }
.lead { font-size: clamp(1.02rem, 1.6vw, 1.2rem); max-width: 60ch; color: rgba(255,255,255,.82); }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 3.5rem; }
.stats { display: flex; flex-wrap: wrap; gap: 2.5rem; margin: 0; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.15); max-width: 720px; }
.stats dt { font-size: 2rem; font-weight: 800; color: #fff; }
.stats dd { margin: 0; color: rgba(255,255,255,.65); font-size: .9rem; }

/* Sections */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-tint { background: var(--tint); }
.section-head { max-width: 640px; margin-bottom: 2.8rem; }

.about { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.about-text p { font-size: 1.05rem; }
.founder { background: var(--tint); border-radius: var(--radius); padding: 2rem; position: sticky; top: 100px; border: 1px solid var(--line); }
.founder-mark { width: 90px; margin-bottom: 1.5rem; }
.founder-photo { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 10px; margin-bottom: 1.5rem; }
.founder-label { margin: 0; text-transform: uppercase; letter-spacing: .15em; font-size: .72rem; font-weight: 700; color: var(--blue); }
.founder-name { font-size: 1.4rem; font-weight: 800; color: var(--navy); margin: .2rem 0; }
.founder .muted { margin: 0 0 1rem; }
.founder-link { font-weight: 600; word-break: break-all; }

.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.service { background: #fff; border-radius: var(--radius); padding: 1.7rem; border: 1px solid var(--line); transition: transform .25s, box-shadow .25s, border-color .25s; }
.service:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.service-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 12px; background: linear-gradient(140deg, var(--navy), var(--blue)); color: #fff; margin-bottom: 1.2rem; }
.service-icon svg { width: 26px; height: 26px; }
.service p { margin: 0; color: var(--muted); font-size: .95rem; }

.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.news-card { display: flex; flex-direction: column; text-decoration: none; color: inherit; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .25s, transform .25s; }
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.news-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.news-body { padding: 1.5rem; }
.news-body time { font-size: .82rem; color: var(--blue); font-weight: 700; }
.news-body h3 { margin: .4rem 0 .5rem; }
.news-body p { color: var(--muted); margin: 0 0 1rem; font-size: .95rem; }
.more { font-weight: 700; color: var(--navy); font-size: .9rem; }

/* Contact */
.section-dark { background: linear-gradient(160deg, var(--ink), var(--navy)); color: rgba(255,255,255,.85); }
.section-dark h2 { color: #fff; }
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); }
.lead-sm { color: rgba(255,255,255,.7); }
.contact-list { list-style: none; padding: 0; margin: 2rem 0 0; }
.contact-list li { padding: 1rem 0; border-top: 1px solid rgba(255,255,255,.12); }
.contact-list span { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; color: var(--sky); font-weight: 700; margin-bottom: .2rem; }
.contact-list a { color: #fff; text-decoration: none; }
.contact-form { background: #fff; color: var(--text); border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2.2rem); display: grid; gap: 1rem; }
.contact-form label { display: grid; gap: .35rem; font-weight: 600; font-size: .88rem; color: var(--navy); }
.contact-form input, .contact-form textarea { font: inherit; padding: .75rem .9rem; border: 1px solid var(--line); border-radius: 10px; background: var(--tint); width: 100%; }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--sky); outline-offset: 1px; background: #fff; }
.contact-form .btn { justify-self: start; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.hp { position: absolute; left: -9999px; }
.notice { margin: 0; padding: .8rem 1rem; border-radius: 10px; font-weight: 600; }
.notice.ok { background: #e3f5ea; color: #1d6b3c; }
.notice.err { background: #fde8e8; color: #9b2424; }
.map { margin-top: 3rem; }
.map iframe { width: 100%; height: 340px; border: 0; border-radius: var(--radius); filter: grayscale(.4); }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,.6); padding: 3rem 0 1.5rem; font-size: .92rem; }
.site-footer a { color: rgba(255,255,255,.85); text-decoration: none; }
.foot { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.foot-logo { height: 26px; width: auto; margin-bottom: .8rem; }
.foot-col { max-width: 420px; }
.foot-col p { margin: 0 0 .4rem; }
.foot-bottom { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.1); font-size: .82rem; }

/* Article */
.article-page { padding: 3rem 0 5rem; }
.article { max-width: 760px; }
.article .back { text-decoration: none; font-weight: 700; display: inline-block; margin-bottom: 2rem; }
.article time { display: block; color: var(--blue); font-weight: 700; font-size: .9rem; margin-bottom: .5rem; }
.article h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
.article-img { border-radius: var(--radius); margin: 1.5rem 0; width: 100%; }
.article-body { font-size: 1.08rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .hero-strata .flow { animation: none; } html { scroll-behavior: auto; } }

@media (max-width: 1000px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .news { grid-template-columns: repeat(2, 1fr); }
  .about, .contact { grid-template-columns: 1fr; }
  .founder { position: static; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .menu { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: .5rem 16px 1rem; display: none; }
  .menu.open { display: flex; }
  .menu a { padding: .8rem 0; }
  .menu .btn { text-align: center; margin-top: .5rem; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .services, .news, .row2 { grid-template-columns: 1fr; }
  .stats { gap: 1.5rem; }
  .brand-word { height: 18px; }
}

/* ---- v2: alt sayfalar ---- */
a.service { display: block; text-decoration: none; color: inherit; }
.service .more { display: inline-block; margin-top: 1rem; font-size: .88rem; color: var(--blue); }

.dd { position: relative; }
.dd-top span { font-size: .7em; }
.dd-menu { position: absolute; top: calc(100% + 14px); left: -1rem; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: .5rem; min-width: 260px; display: grid; opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s; }
.dd-menu::before { content: ""; position: absolute; inset: -16px 0 auto; height: 16px; }
.dd:hover .dd-menu, .dd:focus-within .dd-menu { opacity: 1; visibility: visible; transform: none; }
.dd-menu a { display: flex; align-items: center; gap: .7rem; padding: .55rem .7rem; border-radius: 8px; font-size: .92rem !important; }
.dd-menu a:hover { background: var(--tint); }
.dd-ic { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--tint); color: var(--blue); flex-shrink: 0; }
.dd-ic svg { width: 17px; height: 17px; }

.page-hero { position: relative; color: #fff; padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 6vw, 4.5rem);
  background: linear-gradient(160deg, rgba(26,21,38,.94), rgba(28,46,78,.9) 50%, rgba(31,111,168,.85)), var(--hero-img, none) center/cover, var(--ink); overflow: hidden; }
.page-hero::after { content: ""; position: absolute; right: -60px; bottom: -120px; width: 380px; aspect-ratio: 1; background: url(../img/logo-mark.png) center/contain no-repeat; opacity: .1; filter: brightness(1.6); }
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.5vw, 3.2rem); margin: 0; }
.page-hero .lead { margin-top: 1.2rem; }
.page-hero-row { display: flex; align-items: center; gap: 1rem; }
.page-icon { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 14px; background: rgba(255,255,255,.12); color: #fff; flex-shrink: 0; }
.page-icon svg { width: 32px; height: 32px; }
.crumbs { font-size: .85rem; color: rgba(255,255,255,.6); margin-bottom: 1.6rem; }
.crumbs a { color: rgba(255,255,255,.85); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.article .crumbs { color: var(--muted); }
.article .crumbs a { color: var(--blue); }

.page-grid { display: grid; grid-template-columns: 1fr 320px; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.prose { font-size: 1.06rem; max-width: 760px; }
.prose-narrow { margin-inline: auto; }
.prose h2 { font-size: 1.6rem; margin: 2.2rem 0 .8rem; }
.prose h2:first-child, .prose .prose-img + h2 { margin-top: 0; }
.prose h3 { margin: 1.6rem 0 .6rem; }
.prose ul { padding: 0; list-style: none; display: grid; gap: .55rem; margin: 0 0 1.4rem; }
.prose li { position: relative; padding-left: 1.8rem; }
.prose li::before { content: ""; position: absolute; left: 0; top: .5em; width: 14px; height: 14px; border-radius: 50%; background: radial-gradient(circle, var(--sky) 35%, rgba(69,163,217,.2) 40%); }
.prose-img { border-radius: var(--radius); margin-bottom: 2rem; width: 100%; }
.page-side { position: sticky; top: 100px; display: grid; gap: 1.2rem; }
.side-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; }
.side-box h3 { font-size: 1rem; }
.side-links { list-style: none; margin: 0; padding: 0; display: grid; gap: .15rem; }
.side-links a { display: flex; align-items: center; gap: .7rem; padding: .45rem .5rem; border-radius: 8px; text-decoration: none; color: var(--navy); font-weight: 600; font-size: .93rem; }
.side-links a:hover { background: var(--tint); }
.side-links a[aria-current] { background: var(--navy); color: #fff; }
.side-links a[aria-current] .dd-ic { background: rgba(255,255,255,.15); color: #fff; }
.side-dark { background: linear-gradient(160deg, var(--ink), var(--navy)); border: 0; color: rgba(255,255,255,.8); }
.side-dark h3 { color: #fff; }
.btn-block { display: block; text-align: center; margin: 1rem 0 .7rem; }
.side-mail { color: var(--sky); font-weight: 600; font-size: .9rem; word-break: break-all; }

.services-list { display: grid; gap: 1rem; }
.service-row { display: grid; grid-template-columns: auto 1fr auto; gap: 1.5rem; align-items: center; padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: inherit; transition: box-shadow .25s, transform .25s; }
.service-row:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.service-row .service-icon { margin: 0; }
.service-row h2 { font-size: 1.3rem; margin: 0 0 .3rem; }
.service-row p { margin: 0; color: var(--muted); }
.service-row .arrow { font-size: 1.4rem; color: var(--blue); }

.cta-band { background: var(--tint); padding: clamp(3rem, 6vw, 4.5rem) 0; border-top: 1px solid var(--line); }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.cta-inner h2 { margin-bottom: .4rem; }
.cta-inner p { margin: 0; color: var(--muted); max-width: 560px; }
.cta-btns { display: flex; gap: .7rem; flex-wrap: wrap; }
.cta-band .btn-ghost { color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--line); }
.cta-band .btn-ghost:hover { background: #fff; }

.foot { display: grid; grid-template-columns: 1.2fr 1fr 1.2fr; }
.foot h4 { color: #fff; margin: 0 0 .8rem; font-size: .95rem; }
.foot-links { list-style: none; padding: 0; margin: 0; display: grid; gap: .3rem; }
.foot-links a:hover, .foot-col a:hover { color: #fff; }
.notfound { text-align: center; padding: 4rem 0; }

@media (max-width: 1000px) {
  .page-grid { grid-template-columns: 1fr; }
  .page-side { position: static; }
  .foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .dd-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 .5rem; min-width: 0; }
  .dd-menu::before { display: none; }
  .dd-top span { display: none; }
  .menu { max-height: calc(100vh - 72px); overflow-y: auto; }
  .service-row { grid-template-columns: auto 1fr; }
  .service-row .arrow { display: none; }
  .foot { grid-template-columns: 1fr; }
}
