/* Ana sayfa (index.php): koyu lacivert, ortalı kurumsal hero + aydınlık gövde */

.kh {
    position: relative;
    color: #fff;
    padding: 200px 0 120px;
    text-align: center;
    background:
        radial-gradient(800px 480px at 85% 20%, rgba(43, 125, 233, 0.30), transparent 70%),
        radial-gradient(600px 400px at 0% 100%, rgba(0, 86, 179, 0.25), transparent 70%),
        linear-gradient(160deg, #0b1830 0%, #081121 65%);
    overflow: hidden;
}
.kh::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
    -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
    pointer-events: none;
}
.kh-inner { position: relative; max-width: 900px; }
.kh h1 {
    color: #fff;
    font-size: clamp(38px, 5.2vw, 70px);
    font-weight: 800;
    line-height: 1.06;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}
.kh h1 span { color: #6ea8ff; }
.kh h1, .kh p { text-wrap: balance; }
.kh p { color: #b8c4d8; font-size: 18px; line-height: 1.65; max-width: 640px; margin: 0 auto; }
.kh-actions { display: flex; align-items: center; justify-content: center; gap: 28px; margin-top: 34px; flex-wrap: wrap; }
.kh-btn { display: inline-flex; padding: 17px 32px; border-radius: 10px; background: var(--invend-blue); color: #fff; font-weight: 600; font-size: 16px; }
.kh-btn:hover { background: var(--invend-blue-light); color: #fff; }
.nav-cta { border-radius: 10px; }

@media (max-width: 650px) {
    .kh { padding: 140px 0 80px; }
}

.v3 {
    --bg: #ffffff;
    --bg-soft: #f4f7fb;
    --surface: #ffffff;
    --ink: #0a1628;
    --ink-soft: #46546a;
    --muted: #7a8699;
    --line: #e4e9f1;
    --brand: #0056b3;
    --brand-2: #2b7de9;
    --brand-3: #6ea8ff;
    --glow-a: rgba(43, 125, 233, 0.20);
    --glow-b: rgba(110, 168, 255, 0.16);
    --shadow: 0 1px 2px rgba(10, 22, 40, 0.04), 0 12px 40px rgba(10, 22, 40, 0.08);
    --logo-filter: grayscale(100%);
    --logo-opacity: 0.6;
    --logo-blend: multiply;
    background: var(--bg);
    color: var(--ink);
}
.v3 h1, .v3 h2, .v3 h3 { color: var(--ink); letter-spacing: -0.025em; }
.v3-lead { font-size: 18px; line-height: 1.65; color: var(--ink-soft); max-width: 560px; }

/* Logo kayan şerit */
.v3-marquee {
    position: relative; margin-top: 60px; overflow: hidden; background: var(--bg-soft);
    mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.v3-marquee-track { display: flex; align-items: center; gap: 64px; width: max-content; animation: v3-scroll 50s linear infinite; padding: 10px 0; }
.v3-marquee-track img { height: 46px; width: auto; filter: var(--logo-filter); opacity: var(--logo-opacity); mix-blend-mode: var(--logo-blend); }
.v3-marquee:hover .v3-marquee-track { animation-play-state: paused; }
@keyframes v3-scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .v3-marquee-track { animation: none; } }

/* Bölümler */
.v3-section { padding: 110px 0; background: var(--bg); }
.v3-head { max-width: 640px; margin-bottom: 48px; }
.v3-head h2, .v3-section h2 { font-size: clamp(28px, 3.2vw, 42px); font-weight: 800; line-height: 1.12; }
.v3-head p { margin-top: 12px; font-size: 18px; color: var(--ink-soft); }

/* Modeller (sekmeli) */
.v3-models { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 24px; padding: 10px; }
.v3-tabs { display: inline-flex; gap: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 4px; margin: 10px; }
.v3-tab {
    border: none; background: transparent; color: var(--ink-soft); font: inherit; font-weight: 600; font-size: 15px;
    padding: 10px 20px; border-radius: 10px; cursor: pointer; transition: var(--transition);
}
.v3-tab.is-active { background: var(--brand); color: #fff; }
.v3-panel { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; padding: 34px 34px 40px; align-items: center; }
.v3-panel[hidden] { display: none; }
.v3-panel h3 { font-size: clamp(22px, 2.2vw, 30px); font-weight: 800; line-height: 1.2; margin-bottom: 14px; }
.v3-panel p { color: var(--ink-soft); font-size: 17px; line-height: 1.65; margin-bottom: 22px; }
.v3-link { color: var(--brand-2); font-weight: 700; }
.v3-link:hover { color: var(--ink); }
.v3-specs { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 8px 22px; box-shadow: var(--shadow); }
.v3-specs > div { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; border-top: 1px solid var(--line); }
.v3-specs > div:first-child { border-top: none; }
.v3-specs dt { color: var(--muted); }
.v3-specs dd { font-weight: 700; color: var(--ink); text-align: right; }

/* Teknoloji / Trackin */
.v3-tech { background: var(--bg-soft); }
.v3-tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.v3-points { margin-top: 30px; display: grid; gap: 20px; }
.v3-points li { color: var(--ink-soft); font-size: 16.5px; line-height: 1.65; padding-left: 22px; position: relative; }
.v3-points li::before { content: ''; position: absolute; left: 0; top: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-2); }
.v3-points b { color: var(--ink); }
.v3-panel-mock { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.v3-mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.v3-mock-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.v3-mock-bar em { margin-left: 10px; font-style: normal; font-size: 12px; color: var(--muted); }
.v3-mock-body { padding: 22px; }
.v3-mock-title { font-weight: 800; margin-bottom: 12px; }
.v3-mock-row { display: flex; align-items: center; gap: 12px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 14.5px; color: var(--ink-soft); }
.v3-mock-row span { flex: 1; }
.v3-mock-row b { font-size: 12.5px; font-weight: 700; color: var(--ink); }
.v3-mock-row i { width: 9px; height: 9px; border-radius: 50%; }
.v3-mock-row i.ok { background: #22c55e; }
.v3-mock-row i.wip { background: #f59e0b; }
.v3-mock-row i.new { background: var(--brand-2); }
.v3-mock-pay { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.v3-mock-pay span { font-size: 12.5px; font-weight: 600; padding: 6px 12px; border-radius: 8px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-soft); }

/* Ürünler */
.v3-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.v3-product {
    display: flex; flex-direction: column; padding: 22px; border-radius: 20px;
    background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink);
}
.v3-product:hover { border-color: var(--brand-2); }
.v3-product:hover .v3-product-img img { transform: scale(1.04); }
.v3-product-img { height: 260px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.v3-product-img img { max-height: 100%; width: auto; transition: transform 0.5s ease; filter: drop-shadow(0 20px 20px rgba(0,0,0,0.18)); }
.v3-product-type { font-size: 12.5px; font-weight: 700; color: var(--brand-2); }
.v3-product-name { font-size: 18px; font-weight: 700; margin-top: 2px; }

/* Sektörler */
.v3-sectors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.v3-sectors > div { padding: 26px 24px 10px 0; display: flex; flex-direction: column; gap: 6px; }
.v3-sectors > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.v3-sectors b { font-size: 17px; color: var(--ink); }
.v3-sectors span { color: var(--ink-soft); font-size: 15px; }

/* İletişim */
.v3-contact { background: var(--bg-soft); }
.v3-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.v3-contact h2 { margin-bottom: 16px; }
.v3-contact-items { display: grid; gap: 14px; margin-top: 34px; }
.v3-contact-items > * { display: flex; flex-direction: column; color: var(--ink); font-weight: 600; font-size: 16px; }
.v3-contact-items small { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.v3-contact-items a:hover { color: var(--brand-2); }
.v3 .v3-form.quote-form-card { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); padding: 36px; }
.v3 .quote-form-card input,
.v3 .quote-form-card select,
.v3 .quote-form-card textarea { border-radius: 10px; background: var(--bg-soft); border-color: var(--line); color: var(--ink); }
.v3 .quote-btn { border-radius: 10px; font-size: 15px; font-weight: 700; padding: 16px; }

@media (max-width: 1024px) {
    .v3-tech-grid, .v3-contact-grid, .v3-panel { grid-template-columns: 1fr; gap: 40px; }
    .v3-products { grid-template-columns: repeat(2, 1fr); }
    .v3-sectors { grid-template-columns: repeat(2, 1fr); }
    .v3-sectors > div:nth-child(3) { padding-left: 0; border-left: none; }
}
@media (max-width: 650px) {
    .v3-section { padding: 70px 0; }
    .v3-tabs { display: flex; margin: 6px; }
    .v3-tab { flex: 1; padding: 10px 8px; font-size: 14px; }
    .v3-panel { padding: 22px 16px 26px; }
    .v3-products { gap: 12px; }
    .v3-product { padding: 14px; }
    .v3-product-img { height: 150px; }
    .v3-product-name { font-size: 15px; }
    .v3-sectors { grid-template-columns: 1fr; }
    .v3-sectors > div, .v3-sectors > div + div { padding: 18px 0; border-left: none; border-bottom: 1px solid var(--line); }
    .v3 .v3-form.quote-form-card { padding: 22px; }
}

/* Logo bandı (hero ve rakam şeridinin altında) */
.v3-logos-band { background: var(--bg-soft); padding: 34px 0; border-bottom: 1px solid var(--line); }
.v3-logos-band .v3-marquee { margin-top: 0; }
.v3-tech .v3-lead { margin-top: 18px; }
.v3-aside { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.v3-mock-title small { font-weight: 500; color: var(--muted); font-size: 11px; margin-left: 6px; }

/* Hakkımızda (hakkimizda.php) */
.kh-page { padding: 180px 0 90px; }
.kh-page h1 { font-size: clamp(34px, 4.4vw, 56px); }
.about-v3-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 70px; align-items: start; }
.about-v3-grid h2 { margin-bottom: 22px; }
.about-v3-p { max-width: none; }
.about-v3-p + .about-v3-p { margin-top: 16px; }
.about-v3-p strong, .v3-points strong { color: var(--ink); }
.about-v3-vision { background: #081121; color: #fff; border-radius: 20px; padding: 32px; }
.about-v3-vision span { display: block; color: #6ea8ff; font-weight: 700; font-size: 14px; margin-bottom: 12px; }
.about-v3-vision p { color: #b8c4d8; font-size: 16.5px; line-height: 1.7; }
.about-v3-motto { font-size: 20px; font-weight: 700; color: var(--brand); }
.about-v3-cta { text-align: center; }
.about-v3-cta .v3-lead { margin: 14px auto 0; }
.about-v3-phone { color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.about-v3-phone:hover { color: var(--brand-2); }

@media (max-width: 1024px) {
    .about-v3-grid { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 650px) {
    .kh-page { padding: 130px 0 64px; }
}

/* Ana sayfa rakam şeridi: dört kalem, ortalı (telefonda 2x2) */
.stats-strip-home .stats-grid { grid-template-columns: repeat(4, 1fr); }
.stats-strip-home .stat-item,
.stats-strip-home .stat-item:first-child {
    align-items: center;
    text-align: center;
    padding: 32px 14px;
    border: none;
}
.stats-strip-home .stat-item + .stat-item { border-left: 1px solid rgba(255, 255, 255, 0.08); }
@media (max-width: 1024px) {
    .stats-strip-home .stat-item:nth-child(odd) { padding-left: 14px; }
}
@media (max-width: 650px) {
    .stats-strip-home .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-strip-home .stat-item, .stats-strip-home .stat-item:first-child { padding: 22px 10px; border: none; }
    .stats-strip-home .stat-item:nth-child(even) { border-left: 1px solid rgba(255, 255, 255, 0.08); }
    .stats-strip-home .stat-item:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, 0.08); }
    .stats-strip-home .stat-value { font-size: 26px; }
    .stats-strip-home .stat-label { font-size: 12.5px; line-height: 1.4; }
}

/* Sektörler: ikonlu */
.v3-sector-icon {
    width: 46px; height: 46px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0, 86, 179, 0.08); color: var(--brand);
    margin-bottom: 12px;
}
.v3-sector-icon svg { width: 24px; height: 24px; }

/* Takip sistemi paneli */
.v3-mock-bar b { margin-left: 10px; font-size: 12.5px; color: var(--ink); }
.v3-mock-live { margin-left: auto; font-size: 11px; font-weight: 700; color: #15803d; background: rgba(34, 197, 94, 0.12); padding: 3px 9px; border-radius: 999px; }
.v3-mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.v3-mock-stats div { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.v3-mock-stats b { display: block; font-size: 20px; line-height: 1.1; }
.v3-mock-stats small { font-size: 11.5px; color: var(--muted); }
.v3-mock-row span small { display: block; font-size: 12px; color: var(--muted); }
.v3-mock-row b.ok { color: #15803d; }
.v3-mock-row b.wip { color: #b45309; }
.v3-mock-row b.ai { color: #1d4ed8; }
.v3-mock-row i.ai { background: #7c3aed; }
.v3-mock-row b.ai::before { content: 'AI · '; font-weight: 800; color: #7c3aed; }

@media (max-width: 1024px) {
    .v3-link { display: inline-block; padding: 10px 0; }
    .v3-mock-pay span { font-size: 12px; }
}

/* Sık sorulan sorular */
.v3-faq-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: start; }
.v3-faq { border-top: 1px solid var(--line); }
.v3-faq details { border-bottom: 1px solid var(--line); }
.v3-faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 0; }
.v3-faq summary::-webkit-details-marker { display: none; }
.v3-faq summary h3 { font-size: 17px; font-weight: 700; line-height: 1.4; margin: 0; }
.v3-faq summary::after { content: '+'; flex-shrink: 0; font-size: 24px; font-weight: 400; line-height: 1; color: var(--brand); transition: transform 0.25s ease; }
.v3-faq details[open] summary::after { transform: rotate(45deg); }
.v3-faq details p { color: var(--ink-soft); font-size: 16px; line-height: 1.7; padding: 0 40px 22px 0; }
.v3-product-name { font-family: inherit; letter-spacing: 0; }
@media (max-width: 1024px) {
    .v3-faq-grid { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 650px) {
    .v3-faq summary h3 { font-size: 16px; }
    .v3-faq details p { padding-right: 0; font-size: 15px; }
}

/* Hizmet bölgeleri */
.v3-regions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin: -18px 0 34px; }
.v3-regions-label { font-size: 14px; font-weight: 600; color: var(--muted); margin-right: 6px; }
.v3-region { font-size: 14px; font-weight: 700; color: var(--ink); background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; }
.v3-region.is-hq { background: rgba(0, 86, 179, 0.08); border-color: rgba(0, 86, 179, 0.2); color: var(--brand); }
.v3-region small { font-size: 11.5px; font-weight: 600; opacity: 0.8; margin-left: 4px; }
@media (max-width: 650px) {
    .v3-regions { margin-top: -10px; }
    .v3-regions-label { flex-basis: 100%; }
}

/* İletişim sayfası haritası */
.v3-map-section { padding-top: 56px; }
.v3-map-section .v3-regions { margin: 0 0 22px; }
.v3-map { border-radius: 20px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); aspect-ratio: 16 / 7; background: var(--bg-soft); }
.v3-map iframe { width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 650px) { .v3-map { aspect-ratio: 4 / 5; } }