/* ============================================================
   Yuksel Kontrol — Kurumsal Tema
   Marka: lacivert #062173 · sarı #ffe854
   FAZ C: tüm renkler tek sözlükte (tema yönetimi + koyu tema bunun üstüne kurulur).
   Kural: bileşen kurallarına ham hex yazma — önce :root'a token ekle.
   ============================================================ */
:root {
    /* Marka (Ayarlar → Tema'dan _Layout içi <style> ile override edilir) */
    --brand: #062173;
    --brand-2: #0a2f9e;
    --brand-ink: #0a1d52;       /* koyu marka zemini: topbar, footer, cta */
    --accent: #ffe854;
    --accent-strong: #ffc400;

    /* Türetilmiş metin rolleri (açık temada markayı izler, koyu temada aydınlanır) */
    --heading: var(--brand-ink);            /* başlıklar */
    --brand-text: var(--brand-2);           /* bağlantılar, eyebrow */
    --brand-strong-text: var(--brand);      /* marka renkli vurgu metni/ikon (kart içi) */
    --brand-text-hover: var(--brand);
    --accent-ink: var(--brand-ink);         /* sarı zemin üzerinde metin */

    /* Yüzeyler ve nötrler */
    --surface: #ffffff;          /* sayfa zemini */
    --surface-card: #ffffff;     /* kart/nav zemini */
    --bg-soft: #f5f7fb;
    --line: #e6eaf2;
    --ink: #1b2335;              /* gövde metni */
    --muted: #5b6b8c;

    /* Koyu marka zemini üzerindeki metinler (topbar/footer/hero/stats) */
    --on-brand: #ffffff;
    --on-brand-soft: #d7def3;    /* hero lead */
    --on-ink-muted: #c9d3ee;     /* topbar bağlantıları, stat etiketi */
    --footer-text: #aeb9d8;
    --footer-faint: #8493bb;

    --radius: 14px;
    --shadow-sm: 0 2px 10px rgba(6, 33, 115, .06);
    --shadow: 0 12px 32px rgba(6, 33, 115, .10);
    --shadow-lg: 0 22px 50px rgba(6, 33, 115, .16);
}

/* FAZ E — koyu tema: yalnız yüzey/nötr/türetilmiş roller değişir; marka ve vurgu
   renkleri (Ayarlar → Tema) her iki temada da aynı kalır. */
[data-theme="dark"] {
    --surface: #0b1322;
    --surface-card: #121c31;
    --bg-soft: #0f1830;
    --line: #26345a;
    --ink: #d5def0;
    --muted: #93a3c6;
    --heading: #e8eefc;
    --brand-text: #8fb0ff;
    --brand-strong-text: #9db9ff;
    --brand-text-hover: #c3d3ff;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, .35);
    --shadow: 0 12px 32px rgba(0, 0, 0, .45);
    --shadow-lg: 0 22px 50px rgba(0, 0, 0, .55);
}

html { font-size: 16px; scroll-behavior: smooth; position: relative; min-height: 100%; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, 'Inter', Roboto, Arial, sans-serif;
    color: var(--ink);
    background: var(--surface);
    margin: 0;
    line-height: 1.6;
}

h1, h2, h3, h4, h5 { font-weight: 800; color: var(--heading); letter-spacing: -.01em; }
a { color: var(--brand-text); text-decoration: none; }
a:hover { color: var(--brand-text-hover); }
img { max-width: 100%; }
.text-brand { color: var(--brand-strong-text) !important; }
.bg-brand { background: var(--brand) !important; }
.bg-soft { background: var(--bg-soft) !important; }

/* Koyu temada Bootstrap yardımcıları da yüzey tokenlarına uysun */
[data-theme="dark"] .bg-white { background-color: var(--surface-card) !important; }
[data-theme="dark"] .text-dark { color: var(--ink) !important; }

/* ---------- Buttons ---------- */
.btn { border-radius: 10px; font-weight: 600; padding: .6rem 1.3rem; transition: .18s; }
.btn-brand { background: var(--brand); color: var(--on-brand); }
.btn-brand:hover { background: var(--brand-2); color: var(--on-brand); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { background: var(--accent-strong); color: var(--accent-ink); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-outline-brand { border: 2px solid var(--brand-strong-text); color: var(--brand-strong-text); background: transparent; }
.btn-outline-brand:hover { background: var(--brand); color: var(--on-brand); border-color: var(--brand); }
.btn-outline-light-2 { border: 1.5px solid rgba(255,255,255,.5); color: #fff; }
.btn-outline-light-2:hover { background: #fff; color: var(--brand); }

/* ---------- Top utility bar ---------- */
.topbar { background: var(--brand-ink); color: var(--on-ink-muted); font-size: .85rem; }
.topbar a { color: var(--on-ink-muted); }
.topbar a:hover { color: var(--on-brand); }
.topbar .sep { opacity: .35; }

/* ---------- Navbar ---------- */
.site-nav { background: var(--surface-card); box-shadow: var(--shadow-sm); padding: .55rem 0; }
.site-nav .navbar-brand img { height: 40px; }
.site-nav .nav-link { color: var(--ink); font-weight: 600; padding: .5rem .95rem !important; border-radius: 8px; }
.site-nav .nav-link:hover, .site-nav .nav-link.active { color: var(--brand-text); background: var(--bg-soft); }
.site-nav .dropdown-menu { border: 0; box-shadow: var(--shadow); border-radius: 12px; padding: .4rem; }
.site-nav .dropdown-item { border-radius: 8px; font-weight: 600; padding: .55rem .8rem; }
.site-nav .dropdown-item:hover { background: var(--bg-soft); color: var(--brand-text); }
.site-nav .dropdown-item i { color: var(--brand-strong-text); }

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
    color: var(--on-brand); position: relative; overflow: hidden;
    padding: 4.5rem 0 4rem;
}
.hero::before {
    content: ""; position: absolute; inset: 0;
    background-image: url('/img/hero-pattern.svg'); background-size: 64px 64px; opacity: .5;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 { color: var(--on-brand); font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.12; }
.hero .lead { color: var(--on-brand-soft); font-size: 1.12rem; max-width: 36rem; }
.hero .eyebrow { color: var(--accent); }
.hero-art { filter: drop-shadow(0 24px 40px rgba(0,0,0,.28)); }

.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-weight: 700; font-size: .8rem; color: var(--brand-text); }

/* ---------- Sections ---------- */
.section { padding: 4.25rem 0; }
.section-head { max-width: 44rem; margin: 0 auto 2.5rem; text-align: center; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.divider-accent { width: 56px; height: 4px; background: var(--accent); border-radius: 4px; margin: .9rem auto 0; }

/* ---------- Service cards ---------- */
.service-card {
    background: var(--surface-card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.8rem; height: 100%; transition: .2s; position: relative;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.service-card .ico {
    width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center;
    background: var(--bg-soft); color: var(--brand-strong-text); font-size: 1.7rem; margin-bottom: 1.1rem;
}
.service-card:hover .ico { background: var(--accent); color: var(--accent-ink); }
.service-card h3 { font-size: 1.2rem; }
.service-card p { color: var(--muted); margin-bottom: 1rem; }
.service-card .more { font-weight: 700; color: var(--brand-strong-text); }

/* ---------- Feature / why-us ---------- */
.feature { display: flex; gap: 1rem; }
.feature .ico { flex: 0 0 auto; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--brand); color: var(--accent); font-size: 1.25rem; }
.feature h4 { font-size: 1.05rem; margin-bottom: .25rem; }
.feature p { color: var(--muted); margin: 0; font-size: .95rem; }

/* ---------- Stats ---------- */
.stats { background: var(--brand); color: var(--on-brand); }
.stat .num { font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat .lbl { color: var(--on-ink-muted); margin-top: .35rem; font-weight: 600; }

/* ---------- References strip ---------- */
.ref-card { background: var(--surface-card); border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem; height: 100%; }
.ref-logo { height: 70px; display: grid; place-items: center; background: var(--bg-soft); border-radius: 10px; font-weight: 800; color: var(--brand-strong-text); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--brand-ink), var(--brand-2)); color: var(--on-brand); border-radius: 18px; padding: 2.5rem; }
.cta-band h3 { color: var(--on-brand); }

/* ---------- Page header (inner pages) ---------- */
.page-hero { background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%); color: var(--on-brand); padding: 3rem 0; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: url('/img/hero-pattern.svg'); background-size: 64px 64px; opacity: .45; }
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--on-brand); }
.breadcrumb-light .breadcrumb-item, .breadcrumb-light a { color: var(--on-ink-muted); }
.breadcrumb-light .breadcrumb-item.active { color: var(--on-brand); }

/* ---------- Cards / content ---------- */
.card-soft { border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
[data-theme="dark"] .card-soft { background: var(--surface-card); }
.list-check { list-style: none; padding: 0; }
.list-check li { padding: .35rem 0; padding-inline-start: 1.9rem; position: relative; }
.list-check li::before { content: "\F26E"; font-family: "bootstrap-icons"; position: absolute; inset-inline-start: 0; color: var(--brand-strong-text); font-weight: 700; }

/* ---------- Forms ---------- */
.form-control, .form-select { border-radius: 10px; border-color: var(--line); padding: .65rem .85rem; }
.form-control:focus, .form-select:focus { border-color: var(--brand-2); box-shadow: 0 0 0 .2rem rgba(10,47,158,.12); }
.form-label { font-weight: 600; color: var(--heading); }

/* ---------- Footer ---------- */
.site-footer { background: var(--brand-ink); color: var(--footer-text); padding: 3.5rem 0 1.5rem; }
.site-footer h5 { color: var(--on-brand); font-size: 1rem; margin-bottom: 1.1rem; letter-spacing: .02em; }
.site-footer a { color: var(--footer-text); }
.site-footer a:hover { color: var(--accent); }
.site-footer .footer-links { list-style: none; padding: 0; margin: 0; }
.site-footer .footer-links li { margin-bottom: .55rem; }
.site-footer .ft-contact i { color: var(--accent); width: 1.4rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2.5rem; padding-top: 1.25rem; font-size: .88rem; color: var(--footer-faint); }
.social-ic { width: 36px; height: 36px; border-radius: 9px; background: rgba(255,255,255,.08); display: inline-grid; place-items: center; color: var(--on-brand); margin-inline-end: .4rem; }
.social-ic:hover { background: var(--accent); color: var(--accent-ink); }

/* ---------- Helpers ---------- */
.badge-accent { background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.tag-pill { background: var(--bg-soft); color: var(--brand-strong-text); border-radius: 999px; padding: .25rem .8rem; font-size: .8rem; font-weight: 700; display: inline-block; }
.shadow-soft { box-shadow: var(--shadow); }

/* ============================================================
   Faz 7 — Görsel cila
   ============================================================ */

/* Hero: marka sarısı ışıma + derinlik (pattern'in üstünde, içerik altında) */
.hero::after {
    content: ""; position: absolute; pointer-events: none;
    width: 560px; height: 560px; right: -160px; top: -160px;
    background: radial-gradient(closest-side, rgba(255, 232, 84, .18), transparent 70%);
}
.hero .btn-accent { box-shadow: 0 10px 26px rgba(255, 196, 0, .25); }

/* Servis kartı: üstte marka çizgisi hover'da açılır, ikon yumuşak döner */
.service-card { overflow: hidden; }
.service-card::before {
    content: ""; position: absolute; inset-inline: 0; top: 0; height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-strong));
    transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card .ico { transition: .2s; }
.service-card:hover .ico { transform: rotate(-6deg) scale(1.06); }

/* Referans kartı: hover'da yüksel + marka çerçevesi */
.ref-card { transition: .2s; }
.ref-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); border-color: var(--brand-2); }

/* Görünüme-girince beliren bölümler (JS .reveal-init ekler, IO .reveal-in yapar) */
.reveal-init { opacity: 0; transform: translateY(14px); }
.reveal-in { opacity: 1; transform: none; transition: opacity .5s ease, transform .5s ease; }
@media (prefers-reduced-motion: reduce) {
    .reveal-init { opacity: 1; transform: none; }
    .service-card, .ref-card, .btn, .service-card .ico, .service-card::before { transition: none !important; }
    html { scroll-behavior: auto; }
}

/* Klavye odak halkası (erişilebilirlik) — marka renginde, yalnız klavyede */
a:focus-visible, button:focus-visible, .btn:focus-visible,
.form-control:focus-visible, .form-select:focus-visible, .nav-link:focus-visible {
    outline: 3px solid var(--accent-strong); outline-offset: 2px; border-radius: 6px;
}

/* Vanilla doğrulayıcı durum stilleri (jquery-validation sözleşmesiyle aynı sınıflar) */
.input-validation-error { border-color: #dc3545 !important; }
.input-validation-error:focus { box-shadow: 0 0 0 .2rem rgba(220, 53, 69, .15) !important; }
.field-validation-error { display: inline-block; margin-top: .25rem; }

@media (max-width: 991px) {
    .site-nav .navbar-nav { padding: .5rem 0; }
    .hero { padding: 3rem 0; text-align: center; }
    .hero .lead { margin-left: auto; margin-right: auto; }
    .hero::after { display: none; }
}

/* Nav'daki CTA butonu ara genişliklerde (~800-1000px) iki satıra kırılmasın */
.btn-accent { white-space: nowrap; }

/* Referans kartlarında gerçek logo görseli (LogoUrl doluysa metin kutusu yerine) */
.ref-logo-img { max-height: 48px; max-width: 80%; object-fit: contain; }

/* Koyu temada logo rozetleri/ürün görselleri zaten koyu zeminli — ekstra kural gerekmez.
   Quill ile üretilen içerik gövdeleri tokenları miras alır (E7). */
[data-theme="dark"] .content-body pre, [data-theme="dark"] .content-body code { background: var(--bg-soft); border: 1px solid var(--line); }