/* Suila kurumsal site: marka paleti ve bileşenler (Bootstrap 5.3 üzerine) */
:root {
  --navy: #061326;
  --navy-2: #0a1d38;
  --blue: #0755d9;
  --blue-dark: #0646b3;
  --cyan: #20d9ff;
  --silver: #dde8f2;
  --silver-50: #f3f7fb;
  --ink: #0b1b2f;
  --muted: #4a5d73;
  --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bs-body-color: var(--ink);
  --bs-link-color: var(--blue);
  --bs-link-hover-color: var(--blue-dark);
}
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { color: var(--ink); background: #fff; font-size: 1.0625rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5 { color: var(--navy); line-height: 1.2; letter-spacing: -.01em; }
a { text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }
.text-muted { color: var(--muted) !important; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--cyan); color: var(--navy); padding: .6rem 1rem; z-index: 2000; font-weight: 600; border-radius: 6px; }
.skip-link:focus { left: 8px; }

/* Düğmeler */
.btn { font-weight: 600; border-radius: 10px; }
.btn-primary { --bs-btn-bg: var(--blue); --bs-btn-border-color: var(--blue); --bs-btn-hover-bg: var(--blue-dark); --bs-btn-hover-border-color: var(--blue-dark); --bs-btn-active-bg: var(--blue-dark); --bs-btn-active-border-color: var(--blue-dark); }
.btn-cyan { background: var(--cyan); border-color: var(--cyan); color: var(--navy); }
.btn-cyan:hover, .btn-cyan:focus { background: #5be6ff; border-color: #5be6ff; color: var(--navy); }
.btn-outline-light { --bs-btn-hover-color: var(--navy); }

/* Üst menü */
.site-header { position: sticky; top: 0; z-index: 1030; background: var(--navy); border-bottom: 1px solid rgba(255,255,255,.08); }
.navbar-suila { padding: .6rem 0; }
.navbar-brand, .footer-brand { display: inline-flex; align-items: center; gap: .65rem; color: #fff; font-weight: 300; letter-spacing: .32em; font-size: 1.3rem; text-decoration: none; }
.navbar-brand:hover, .footer-brand:hover { color: #fff; }
.navbar-brand img, .footer-brand img { height: 34px; width: auto; }
.navbar-suila .nav-link { color: #d3e0ee; font-weight: 500; padding: .55rem .85rem; border-radius: 8px; }
.navbar-suila .nav-link:hover, .navbar-suila .nav-link:focus { color: #fff; }
.navbar-suila .nav-link.active { color: var(--cyan); }
.navbar-suila .navbar-toggler { border-color: rgba(255,255,255,.35); }
.navbar-suila .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
.dropdown-menu { border: 0; box-shadow: 0 12px 32px rgba(6,19,38,.25); border-radius: 12px; padding: .5rem; }
.dropdown-item { border-radius: 8px; padding: .55rem 1rem; font-weight: 500; }
.dropdown-item.active, .dropdown-item:active { background: var(--blue); color: #fff; }
@media (max-width: 991.98px) {
  .navbar-collapse { padding: .5rem 0 1rem; }
  .dropdown-menu { background: var(--navy-2); box-shadow: none; }
  .dropdown-item { color: #d3e0ee; }
  .dropdown-item:hover, .dropdown-item:focus { background: rgba(255,255,255,.08); color: #fff; }
}

/* Eyebrow ve bölümler */
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .8rem; font-weight: 700; color: var(--blue); margin-bottom: .75rem; }
.eyebrow-cyan { color: var(--cyan); }
.section { padding: 5.5rem 0; }
.section-alt { background: var(--silver-50); }
.section-head { max-width: 760px; margin: 0 auto 3rem; text-align: center; }
.section-head h2, .section h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 700; }
.section .lead, .lead { color: var(--muted); font-size: 1.15rem; }
.narrow { max-width: 640px; }
@media (max-width: 767.98px) { .section { padding: 3.75rem 0; } }

/* Hero */
.hero, .page-hero { background: radial-gradient(900px 480px at 85% -10%, rgba(7,85,217,.55), transparent 60%), radial-gradient(600px 400px at 10% 110%, rgba(32,217,255,.16), transparent 60%), var(--navy); color: #fff; }
.hero { padding: 5rem 0 5.5rem; overflow: hidden; }
.hero-title { color: #fff; font-weight: 700; font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.1; letter-spacing: -.02em; }
.hero-title span { display: inline-block; margin-right: .25em; }
.hero-title .accent { color: var(--cyan); }
.hero-lead { color: #e6eef7 !important; margin-top: 1.5rem; font-size: 1.25rem; }
.hero-text { color: #b5c6d9; max-width: 34rem; }
.hero-logo { display: flex; justify-content: center; align-items: center; padding: 1rem 0; background: radial-gradient(closest-side, rgba(32,140,255,.28), transparent 75%); }
.hero-logo img { display: block; width: 100%; max-width: 440px; height: auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,.45)); }
@media (max-width: 991.98px) { .hero-logo { margin-top: 2.5rem; } .hero-logo img { max-width: 260px; } }
.page-hero { padding: 4.5rem 0 4.25rem; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.2vw, 3rem); font-weight: 700; max-width: 22ch; }
.page-hero .lead { color: #c4d3e3; max-width: 46rem; margin-top: 1.1rem; }
.page-hero .eyebrow { color: var(--cyan); }
.van-logo { height: 52px; width: auto; max-width: 100%; }

/* Kartlar */
.product-card, .feature, .value, .form-card, .sector-link { background: #fff; border: 1px solid var(--silver); border-radius: 18px; padding: 2rem; }
.product-card { padding: 2.25rem; box-shadow: 0 14px 40px -24px rgba(6,19,38,.35); display: flex; flex-direction: column; }
.product-card .btn { align-self: flex-start; margin-top: auto; }
.product-card h3 { font-size: 1.45rem; margin-bottom: .75rem; }
.product-mark { display: inline-flex; align-items: center; gap: .75rem; background: var(--navy); color: #fff; padding: .55rem 1.1rem .55rem .8rem; border-radius: 12px; font-weight: 600; margin-bottom: 1.5rem; align-self: flex-start; }
.product-mark img { height: 32px; width: auto; }
.feature { transition: box-shadow .2s, transform .2s; }
.feature:hover { box-shadow: 0 14px 34px -22px rgba(6,19,38,.45); transform: translateY(-2px); }
.feature p, .value p { color: var(--muted); margin-bottom: 0; }
.section-alt .feature, .section-alt .value { border-color: #d3e0ee; }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 12px; background: rgba(7,85,217,.1); color: var(--blue); margin-bottom: 1rem; }
.feature-icon-lg { width: 60px; height: 60px; border-radius: 16px; }
.ic { width: 24px; height: 24px; }
.feature-icon-lg .ic { width: 30px; height: 30px; }
.ic-sm { width: 18px; height: 18px; vertical-align: -3px; flex: none; }
.value { text-align: left; }
.value h3 { font-size: 1.3rem; }

.check-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.check-list li { position: relative; padding-left: 1.75rem; margin-bottom: .5rem; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .5em; width: 1rem; height: .55rem; border-left: 2.5px solid var(--blue); border-bottom: 2.5px solid var(--blue); transform: rotate(-45deg) scale(.85); transform-origin: center; }
.check-list.two-col { columns: 2; column-gap: 2rem; }
.check-list.two-col li { break-inside: avoid; }
@media (max-width: 480px) { .check-list.two-col { columns: 1; } }

/* Adımlar */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: s; }
.steps li { position: relative; padding-top: 3.5rem; }
.steps li::before { content: ""; position: absolute; left: 3rem; right: -1.5rem; top: 1.2rem; height: 2px; background: linear-gradient(90deg, var(--blue), var(--silver)); }
.steps li:last-child::before { display: none; }
.step-n { position: absolute; top: 0; left: 0; width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--navy); color: var(--cyan); font-weight: 700; display: flex; align-items: center; justify-content: center; }
.steps h3 { font-size: 1.15rem; }
.steps p { color: var(--muted); margin: 0; }
@media (max-width: 991.98px) { .steps { grid-template-columns: repeat(2, 1fr); } .steps li::before { display: none; } }
@media (max-width: 575.98px) { .steps { grid-template-columns: 1fr; } }

.sector-link { display: block; height: 100%; text-decoration: none; color: inherit; transition: border-color .2s, box-shadow .2s; }
.sector-link:hover { border-color: var(--blue); box-shadow: 0 14px 34px -22px rgba(7,85,217,.5); color: inherit; }
.sector-link h3 { font-size: 1.25rem; }
.sector-link p { color: var(--muted); }
.sector-link span { color: var(--blue); font-weight: 600; }

/* CTA */
.cta-band { background: radial-gradient(700px 360px at 50% 120%, rgba(32,217,255,.2), transparent 60%), var(--navy); }
.cta-lead { color: #c4d3e3 !important; max-width: 40rem; }

/* Tarayıcı çerçevesi ve ekran görüntüleri */
.shot { margin: 0; }
.shot-link { display: block; text-decoration: none; cursor: zoom-in; }
.browser { background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #c9d8e8; box-shadow: 0 24px 60px -28px rgba(6,19,38,.55); transition: transform .2s, box-shadow .2s; }
.shot-link:hover .browser { transform: translateY(-3px); box-shadow: 0 30px 66px -28px rgba(7,85,217,.55); }
.browser-bar { display: flex; gap: 6px; padding: 10px 12px; background: #e9f0f7; border-bottom: 1px solid #d3e0ee; }
.browser-bar span { width: 10px; height: 10px; border-radius: 50%; background: #b7c8da; }
.browser-body { position: relative; background: var(--silver-50); aspect-ratio: 16 / 9; }
.browser-body img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.shot-missing { display: none; position: absolute; inset: 0; align-items: center; justify-content: center; color: var(--muted); font-weight: 600; background: repeating-linear-gradient(45deg, #eef3f8, #eef3f8 14px, #e5edf5 14px, #e5edf5 28px); }
.shot.is-missing .shot-missing { display: flex; }
.shot.is-missing img { display: none; }
.shot figcaption { color: var(--muted); font-size: .95rem; margin-top: .75rem; }
.shot-hero figcaption { color: #b5c6d9; }
.shot-hero .browser { box-shadow: 0 30px 80px -30px rgba(0,0,0,.7); border-color: rgba(255,255,255,.2); }
@media (min-width: 992px) { .shot-hero { transform: perspective(1600px) rotateY(-4deg); transform-origin: left center; } }
.gallery .browser-body { aspect-ratio: 16 / 10; }

/* Lightbox */
.lb .modal-content { background: var(--navy); color: #fff; border: 0; border-radius: 14px; }
.lb .modal-header { border: 0; }
.lb .modal-title { font-size: 1rem; font-weight: 500; color: #d3e0ee; }
.lb img { max-width: 100%; height: auto; border-radius: 8px; display: block; margin: 0 auto; }
.lb .btn-close { filter: invert(1) grayscale(1) brightness(2); }

/* İletişim */
.contact-list { font-style: normal; }
.contact-list p { display: flex; gap: .9rem; align-items: flex-start; margin-bottom: 1.1rem; }
.contact-list .ic { color: var(--blue); flex: none; margin-top: .15rem; }
.form-card { padding: 2.25rem; box-shadow: 0 14px 40px -28px rgba(6,19,38,.35); }
.form-label { font-weight: 600; margin-bottom: .35rem; }
.form-control, .form-select { border-radius: 10px; border-color: #b9c9db; padding: .65rem .9rem; }
.form-control:focus, .form-select:focus { border-color: var(--blue); box-shadow: 0 0 0 .25rem rgba(7,85,217,.2); }
.req { color: #b4231f; }
.invalid-msg { color: #b4231f; font-weight: 600; margin-bottom: .75rem; }
.about-logo { max-width: 320px; width: 100%; height: auto; }

/* Alt bilgi */
.site-footer { background: var(--navy); color: #c4d3e3; padding: 4rem 0 1.5rem; }
.site-footer a { color: #e6eef7; }
.site-footer a:hover { color: var(--cyan); }
.footer-title { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1rem; }
.footer-links li { margin-bottom: .4rem; }
.footer-links a { text-decoration: none; }
.footer-contact { font-style: normal; }
.footer-contact p { display: flex; gap: .75rem; margin-bottom: .75rem; }
.footer-contact .ic-sm { color: var(--cyan); margin-top: .25rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 2.5rem; padding-top: 1.25rem; font-size: .9rem; color: #9fb3c8; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } .shot-hero { transform: none; } }
.van-logo { background:#fff; padding:.6rem 1rem; border-radius:12px; height:auto !important; max-height:76px; }

/* Marka uyumluluğu listesi */
.brand-list { display: grid; grid-template-columns: minmax(9rem, 12rem) 1fr; gap: .45rem 1rem; }
.brand-list dt { font-weight: 600; color: var(--navy, #061326); }
.brand-list dd { margin: 0; }
@media (max-width: 575.98px) { .brand-list { grid-template-columns: 1fr; gap: 0; } .brand-list dd { margin-bottom: .6rem; } }

/* Ekran görüntüsü slider'ı */
.shot-slider { max-width: 1080px; margin: 0 auto; outline: none; }
.slider-browser { position: relative; }
.shot-slider .carousel-item { position: relative; margin-right: -100%; } /* .shot margin:0 Bootstrap'in kaydırma payını ezmesin */
.shot-slider .carousel-item img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; background: var(--silver-50); }
.shot-slider .carousel-item.is-missing img { display: none; }
.shot-slider .carousel-item .shot-missing { aspect-ratio: 16 / 9; position: relative; }
.shot-slider .shot-link:hover .browser { transform: none; }
.slider-btn { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 46px; height: 46px; border-radius: 50%; border: 0; display: flex; align-items: center; justify-content: center; background: rgba(6,19,38,.74); color: #fff; box-shadow: 0 6px 20px -6px rgba(6,19,38,.6); transition: background .15s, transform .15s; cursor: pointer; }
.slider-btn:hover, .slider-btn:focus-visible { background: var(--blue); }
.slider-btn:active { transform: translateY(-50%) scale(.94); }
.slider-prev { left: .9rem; }
.slider-next { right: .9rem; }
.slider-meta { text-align: center; margin: 1.25rem auto 0; max-width: 46rem; min-height: 6.5rem; }
.slider-count { margin: 0 0 .25rem; font-size: .85rem; font-weight: 600; letter-spacing: .04em; color: var(--blue); }
.slider-title { margin: 0 0 .35rem; font-weight: 700; }
.slider-desc { margin: 0; color: var(--muted); }
.slider-dots.carousel-indicators { position: static; display: flex; flex-wrap: wrap; justify-content: center; gap: .45rem; margin: .5rem 0 0; padding: 0; }
.slider-dots button[data-bs-target] { box-sizing: border-box; flex: 0 0 auto; width: 10px; height: 10px; margin: 0; padding: 0; border: 0; border-radius: 999px; background: #bccbdc; opacity: 1; text-indent: 0; transition: width .2s, background .2s; cursor: pointer; }
.slider-dots button[data-bs-target]:hover { background: #8aa6c6; }
.slider-dots button[data-bs-target].active { width: 28px; background: var(--blue); }
@media (max-width: 575.98px) { .slider-btn { width: 38px; height: 38px; } .slider-prev { left: .4rem; } .slider-next { right: .4rem; } .slider-meta { min-height: 8.5rem; } }

/* Ana sayfa: ürün yetenek etiketi */
.product-area { text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; font-weight: 700; color: var(--blue); margin-bottom: .6rem; }
.sector-tag { display: block; color: var(--muted); font-size: .8rem; font-weight: 600; letter-spacing: .04em; margin-bottom: .75rem; }
.scenario { border-left: 3px solid var(--cyan); padding: .5rem 0 .5rem 1rem; color: var(--muted); font-style: italic; margin-top: 1rem; }
