/* ==========================================================================
   XBEX — Kurumsal Tasarım Sistemi (xb-*)
   ui.css'ten sonra yüklenir: reset, spacing ölçeği, reveal ve erişilebilirlik
   temeli oradan gelir. Bu dosya XBEX'e özgü paleti ve bileşenleri tanımlar.
   Palet: mühendislik-ink (#07111F) + elektrik mavisi (#2F6BFF) + turkuaz (#39D3E6).
   Grafik dil: X geometrisi — kesişen eksenler, ince teknik grid, köşe kesikleri.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokenlar
   -------------------------------------------------------------------------- */
:root {
    /* Yüzey ve metin — ink tabanlı */
    --xb-bg: #FFFFFF;
    --xb-bg-alt: #F5F7FB;
    --xb-ink: #07111F;
    --xb-ink-2: #0C1B33;
    --xb-ink-3: #142946;

    --xb-text: #0B1220;
    --xb-text-2: #47536B;
    --xb-text-3: #6B7891;
    --xb-text-inv: #F2F6FF;
    --xb-text-inv-2: rgba(226,236,255,.74);

    --xb-line: #E3E8F2;
    --xb-line-2: #D3DBEA;
    --xb-line-inv: rgba(122,160,235,.22);

    --xb-brand: #2F6BFF;
    --xb-brand-dark: #1E4FD6;
    --xb-accent: #39D3E6;
    --xb-brand-soft: rgba(47,107,255,.10);
    --xb-brand-medium: rgba(47,107,255,.26);

    /* Ortak ui-* bileşenleri XBEX vurgusunu kullansın */
    --ui-accent: #1E4FD6;
    --ui-accent-ink: #FFFFFF;

    /* Ürün vurgu renkleri (ürün paletleriyle hizalı) */
    --xb-hesapmix: #0E7CF4;
    --xb-hesapmix-soft: rgba(14,124,244,.10);
    --xb-adisyonix: #F2732E;
    --xb-adisyonix-soft: rgba(242,115,46,.10);

    /* Tipografi */
    --xb-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --xb-font-display: 'Sora', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --xb-fs-xs: .8125rem;
    --xb-fs-sm: .9375rem;
    --xb-fs-base: 1.0625rem;
    --xb-fs-lg: 1.1875rem;
    --xb-fs-h5: 1.125rem;
    --xb-fs-h4: 1.375rem;
    --xb-fs-h3: clamp(1.375rem, 1.15rem + .95vw, 1.75rem);
    --xb-fs-h2: clamp(1.75rem, 1.25rem + 2.1vw, 2.75rem);
    --xb-fs-h1: clamp(2.25rem, 1.4rem + 3.6vw, 4rem);

    /* Boşluk ölçeği (4px tabanı) */
    --xb-1: .25rem;
    --xb-2: .5rem;
    --xb-3: .75rem;
    --xb-4: 1rem;
    --xb-5: 1.5rem;
    --xb-6: 2rem;
    --xb-7: 2.5rem;
    --xb-8: 3rem;
    --xb-9: 4rem;
    --xb-10: 5.5rem;

    /* Grid */
    --xb-maxw: 1200px;
    --xb-maxw-narrow: 780px;
    --xb-gutter: 1.25rem;

    /* Radius — 8 / 12 / 16 ile sınırlı */
    --xb-radius-sm: 8px;
    --xb-radius: 12px;
    --xb-radius-lg: 16px;

    /* Gölge — düşük yoğunluklu, ink tonlu */
    --xb-shadow-sm: 0 1px 2px rgba(11,18,32,.06);
    --xb-shadow: 0 6px 20px -8px rgba(11,18,32,.16);
    --xb-shadow-lg: 0 24px 60px -24px rgba(11,18,32,.34);

    /* Hareket */
    --xb-ease: cubic-bezier(.22,.61,.36,1);
    --xb-dur: .22s;
    --xb-dur-slow: .5s;

    --xb-nav-h: 78px;
}

/* --------------------------------------------------------------------------
   3. Temel tipografi
   -------------------------------------------------------------------------- */
body {
    font-family: var(--xb-font);
    font-size: var(--xb-fs-base);
    line-height: 1.65;
    color: var(--xb-text);
    background: var(--xb-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--xb-font-display);
    line-height: 1.18;
    letter-spacing: -.022em;
    color: var(--xb-text);
    font-weight: 700;
}

h1 { font-size: var(--xb-fs-h1); font-weight: 700; }
h2 { font-size: var(--xb-fs-h2); font-weight: 700; }
h3 { font-size: var(--xb-fs-h3); }
h4 { font-size: var(--xb-fs-h4); }
h5 { font-size: var(--xb-fs-h5); }
h6 { font-size: var(--xb-fs-base); font-weight: 600; letter-spacing: -.01em; }

a { color: var(--xb-brand-dark); text-decoration: none; }
a:hover { color: var(--xb-brand); }

strong { font-weight: 650; }

.xb-lead { font-size: var(--xb-fs-lg); line-height: 1.6; color: var(--xb-text-2); }
.xb-muted { color: var(--xb-text-2); }
.xb-sm { font-size: var(--xb-fs-sm); }
.xb-xs { font-size: var(--xb-fs-xs); }

/* Erişilebilirlik: görünür focus */
:focus-visible {
    outline: 3px solid var(--xb-brand);
    outline-offset: 3px;
    border-radius: 4px;
}
.xb-on-ink :focus-visible,
.xb-nav-panel :focus-visible,
.xb-footer :focus-visible,
.xb-cta :focus-visible { outline-color: var(--xb-accent); }

.xb-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 200;
    background: var(--xb-ink);
    color: #fff;
    padding: .75rem 1.25rem;
    border-radius: 0 0 var(--xb-radius) 0;
}
.xb-skip:focus {
    left: 0;
    color: #fff;
}

.xb-visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* --------------------------------------------------------------------------
   4. Yerleşim
   -------------------------------------------------------------------------- */
.xb-container {
    width: 100%;
    max-width: var(--xb-maxw);
    margin-inline: auto;
    padding-inline: var(--xb-gutter);
}
.xb-container--narrow { max-width: var(--xb-maxw-narrow); }

.xb-section { padding-block: var(--xb-10); }
.xb-section--tight { padding-block: var(--xb-8); }
.xb-section--alt { background: var(--xb-bg-alt); }

.xb-section--ink {
    background: var(--xb-ink);
    color: var(--xb-text-inv);
}
.xb-section--ink h2,
.xb-section--ink h3,
.xb-section--ink h4,
.xb-section--ink h5,
.xb-section--ink h6 { color: #fff; }
.xb-section--ink .xb-muted,
.xb-section--ink .xb-lead { color: var(--xb-text-inv-2); }

.xb-head { max-width: 720px; margin-bottom: var(--xb-8); }
.xb-head--center { margin-inline: auto; text-align: center; }
.xb-head h2 { margin-bottom: var(--xb-3); }

/* Editoryal bölüm etiketi — hap değil, ince üst kural */
.xb-kicker {
    display: block;
    font-family: var(--xb-font-display);
    font-size: var(--xb-fs-xs);
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--xb-brand-dark);
    padding-top: var(--xb-3);
    border-top: 2px solid var(--xb-brand);
    width: fit-content;
    margin-bottom: var(--xb-4);
}
.xb-head--center .xb-kicker { margin-inline: auto; }
.xb-section--ink .xb-kicker {
    color: var(--xb-accent);
    border-top-color: var(--xb-accent);
}

.xb-grid { display: grid; gap: var(--xb-5); }
.xb-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.xb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.xb-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* --------------------------------------------------------------------------
   5. Butonlar
   -------------------------------------------------------------------------- */
.xb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    font-family: var(--xb-font-display);
    font-size: var(--xb-fs-sm);
    font-weight: 700;
    letter-spacing: -.005em;
    line-height: 1.2;
    padding: .8125rem 1.375rem;
    border-radius: var(--xb-radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--xb-dur) var(--xb-ease),
                border-color var(--xb-dur) var(--xb-ease),
                color var(--xb-dur) var(--xb-ease),
                transform var(--xb-dur) var(--xb-ease);
}
.xb-btn i { font-size: 1.05em; line-height: 1; }
.xb-btn:hover { transform: translateY(-1px); }
.xb-btn:active { transform: translateY(0); }

.xb-btn--primary {
    background: var(--xb-brand-dark);
    color: #fff;
    box-shadow: var(--xb-shadow-sm);
}
.xb-btn--primary:hover { background: #1740B0; color: #fff; }

.xb-btn--ghost {
    background: transparent;
    color: var(--xb-text);
    border-color: var(--xb-line-2);
}
.xb-btn--ghost:hover {
    border-color: var(--xb-brand);
    color: var(--xb-brand-dark);
    background: var(--xb-brand-soft);
}

.xb-btn--inv {
    background: #fff;
    color: var(--xb-ink);
}
.xb-btn--inv:hover { background: #E6EEFF; color: var(--xb-ink); }

.xb-btn--inv-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(226,236,255,.32);
}
.xb-btn--inv-ghost:hover {
    border-color: var(--xb-accent);
    color: #fff;
    background: rgba(57,211,230,.10);
}

.xb-btn--sm { padding: .5625rem 1rem; font-size: var(--xb-fs-xs); }
.xb-btn--lg { padding: 1rem 1.75rem; font-size: var(--xb-fs-base); }
.xb-btn--block { width: 100%; }

.xb-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--xb-3);
}

/* Metin bağlantısı — ok animasyonlu */
.xb-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-family: var(--xb-font-display);
    font-weight: 700;
    font-size: var(--xb-fs-sm);
    color: var(--xb-brand-dark);
}
.xb-link i { transition: transform var(--xb-dur) var(--xb-ease); }
.xb-link:hover i { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   6. Navigasyon
   -------------------------------------------------------------------------- */
/* Açık, hero'dan bağımsız XBEX header'ı — hero ile tek koyu blok oluşturmaz */
.xb-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.94);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid #E3E9F2;
    box-shadow: 0 1px 2px rgba(11,18,32,.05);
    transition: border-color var(--xb-dur) var(--xb-ease),
                box-shadow var(--xb-dur) var(--xb-ease);
}
.xb-nav.is-scrolled {
    border-bottom-color: #D8E1EE;
    box-shadow: 0 6px 18px -12px rgba(11,18,32,.28);
}

.xb-nav-inner {
    max-width: var(--xb-maxw);
    margin-inline: auto;
    padding: 0 var(--xb-gutter);
    height: var(--xb-nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--xb-4);
}

.xb-nav-brand { display: inline-flex; align-items: center; }
/* Logo doğal oranında (523×239 ≈ 2.19:1) — gerdirme, filter veya opacity yok */
.xb-nav-brand img {
    height: 42px;
    width: auto;
    object-fit: contain;
    display: block;
}

.xb-nav-menu {
    display: flex;
    align-items: center;
    gap: var(--xb-5);
}

.xb-nav-links {
    display: flex;
    align-items: center;
    gap: var(--xb-5);
    margin: 0;
    padding: 0;
    list-style: none;
}
.xb-nav-links a {
    position: relative;
    font-size: var(--xb-fs-sm);
    font-weight: 550;
    color: #182235;
    padding-block: .375rem;
    transition: color var(--xb-dur) var(--xb-ease);
}
.xb-nav-links a::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 2px;
    background: #155EEF;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--xb-dur) var(--xb-ease);
}
.xb-nav-links a:hover,
.xb-nav-links a.is-active { color: #155EEF; }
.xb-nav-links a:hover::after,
.xb-nav-links a.is-active::after { transform: scaleX(1); }

/* Turkuaz beyaz zeminde okunmaz — focus halkası ana maviye alındı */
.xb-nav :focus-visible { outline-color: #155EEF; }

.xb-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--xb-line-2);
    border-radius: var(--xb-radius-sm);
    font-size: 1.375rem;
    color: #182235;
    cursor: pointer;
}

.xb-nav-panel { display: contents; }

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
/* Açık, ferah hero — header'dan yumuşak fakat net biçimde ayrışır */
.xb-hero {
    position: relative;
    background: #F7F9FC;
    color: var(--xb-text);
    padding-block: var(--xb-8) var(--xb-8);
    overflow: hidden;
}
.xb-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(900px 460px at 78% 12%, rgba(21,94,239,.10), transparent 62%),
        radial-gradient(620px 420px at 8% 96%, rgba(57,211,230,.08), transparent 66%);
    pointer-events: none;
}
/* İnce teknik grid dokusu — parıltı değil, ölçü hissi */
.xb-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(21,94,239,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(21,94,239,.06) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
    pointer-events: none;
}
.xb-hero > .xb-container { position: relative; z-index: 1; }

.xb-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .82fr);
    gap: var(--xb-9);
    align-items: center;
}

/* Kompakt başlık: 1440×900'de başlık + açıklama + CTA'lar fold üstünde */
.xb-hero h1 {
    color: #091426;
    margin-bottom: var(--xb-5);
    max-width: 700px;
    font-size: clamp(2.375rem, 1.5rem + 3.1vw, 3.875rem);
    line-height: 1.07;
}
.xb-hero p { color: #526176; max-width: 56ch; }
.xb-hero h1 strong,
.xb-hero p strong { color: #155EEF; }
.xb-hero .xb-kicker { color: #087F9D; border-top-color: #087F9D; }
.xb-hero .xb-actions { margin-top: var(--xb-6); }

@media (min-width: 992px) {
    .xb-hero { min-height: 660px; display: flex; align-items: center; }
    .xb-hero > .xb-container { width: 100%; }
}

.xb-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--xb-2) var(--xb-6);
    margin-top: var(--xb-7);
    padding-top: var(--xb-5);
    border-top: 1px solid #E3E9F2;
    font-size: var(--xb-fs-sm);
    color: #526176;
}
.xb-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}
.xb-hero-meta i { color: #087F9D; }

/* Ürün dizini — açık zeminde iki bağımsız ürün yüzeyi; overlap ve bağ çizgisi yok */
.xb-hero-index { display: grid; gap: var(--xb-4); }
.xb-hero-index-item {
    display: grid;
    gap: .3rem;
    padding: var(--xb-5);
    background: #fff;
    border: 1px solid #E3E9F2;
    border-left: 3px solid var(--xb-dot, #155EEF);
    border-radius: var(--xb-radius-lg);
    color: var(--xb-text);
    box-shadow: var(--xb-shadow-sm);
    transition: box-shadow var(--xb-dur) var(--xb-ease),
                border-color var(--xb-dur) var(--xb-ease),
                transform var(--xb-dur) var(--xb-ease);
}
.xb-hero-index-item:hover {
    border-color: #CFDAEC;
    border-left-color: var(--xb-dot, #155EEF);
    box-shadow: var(--xb-shadow);
    transform: translateY(-2px);
    color: var(--xb-text);
}
.xb-hero-index-no {
    font-family: var(--xb-font-display);
    font-size: .6875rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--xb-text-3);
}
.xb-hero-index-name {
    font-family: var(--xb-font-display);
    font-size: 1.3125rem;
    font-weight: 800;
    color: #091426;
}
.xb-hero-index-desc { font-size: var(--xb-fs-sm); color: var(--xb-text-2); }
.xb-hero-index-go {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    margin-top: .5rem;
    font-family: var(--xb-font-display);
    font-size: var(--xb-fs-xs);
    font-weight: 700;
    color: var(--xb-dot, #155EEF);
}
.xb-hero-index-go i { transition: transform var(--xb-dur) var(--xb-ease); }
.xb-hero-index-item:hover .xb-hero-index-go i { transform: translateX(3px); }
.xb-hero-index-logo {
    height: 26px;
    width: auto;
    display: block;
    margin: .15rem 0 .1rem;
}

/* --------------------------------------------------------------------------
   8. Ekran görüntüsü çerçevesi
   -------------------------------------------------------------------------- */
.xb-shot {
    border-radius: var(--xb-radius-lg);
    overflow: hidden;
    background: var(--xb-ink-2);
    border: 1px solid var(--xb-line-inv);
    box-shadow: var(--xb-shadow-lg);
}
.xb-shot--light {
    border-color: var(--xb-line);
    background: #fff;
    box-shadow: var(--xb-shadow);
}
.xb-shot-bar {
    display: flex;
    align-items: center;
    gap: .375rem;
    padding: .625rem .875rem;
    background: rgba(255,255,255,.04);
    border-bottom: 1px solid var(--xb-line-inv);
}
.xb-shot--light .xb-shot-bar {
    background: var(--xb-bg-alt);
    border-bottom-color: var(--xb-line);
}
.xb-shot-bar span {
    width: 9px; height: 9px;
    border-radius: 50%;
    background: rgba(122,160,235,.28);
}
.xb-shot--light .xb-shot-bar span { background: var(--xb-line-2); }
.xb-shot img { width: 100%; display: block; }

/* --------------------------------------------------------------------------
   9. Bağımsız ürün panelleri ve editoryal ürün bantları
   -------------------------------------------------------------------------- */

/* Yan yana iki bağımsız ürün paneli — ürün rengi --xb-duo ile gelir */
.xb-duo {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--xb-6);
    align-items: stretch;
}
.xb-duo-panel {
    display: flex;
    flex-direction: column;
    gap: var(--xb-4);
    padding: var(--xb-6);
    background:
        linear-gradient(180deg, var(--xb-duo-soft, var(--xb-brand-soft)), transparent 36%),
        #fff;
    border: 1px solid var(--xb-line);
    border-top: 3px solid var(--xb-duo, var(--xb-brand));
    border-radius: var(--xb-radius-lg);
}
.xb-duo-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--xb-3);
    flex-wrap: wrap;
}
.xb-duo-logo { height: 32px; width: auto; }
.xb-duo-field {
    font-family: var(--xb-font-display);
    font-size: var(--xb-fs-xs);
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--xb-duo, var(--xb-brand-dark));
}
.xb-duo-desc { color: var(--xb-text-2); font-size: var(--xb-fs-sm); }
.xb-duo-foot {
    margin-top: auto;
    display: grid;
    gap: var(--xb-4);
    padding-top: var(--xb-4);
    border-top: 1px solid var(--xb-line);
}
.xb-duo-foot .xb-btn { justify-self: start; }
.xb-duo-who { font-size: var(--xb-fs-xs); color: var(--xb-text-3); }

/* Ürün renkli butonlar */
.xb-btn--hx { background: #0A63C6; }
.xb-btn--hx:hover { background: #084E9C; color: #fff; }
.xb-btn--adx { background: #D65E1C; }
.xb-btn--adx:hover { background: #B54E15; color: #fff; }

/* Tam genişlikte editoryal ürün bantları */
.xb-prod {
    position: relative;
    padding-block: var(--xb-10);
    overflow: hidden;
}
.xb-prod--hx {
    background:
        linear-gradient(180deg, rgba(0,140,226,.055), transparent 55%),
        var(--xb-bg);
    border-top: 1px solid var(--xb-line);
}
/* Adisyonix bandı: koyu zemin + ince teknik grid dokusu */
.xb-prod--adx::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(122,160,235,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(122,160,235,.05) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.85), transparent 70%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.85), transparent 70%);
    pointer-events: none;
}
.xb-prod > .xb-container { position: relative; z-index: 1; }

/* Bant üst kuralı: ince çizgi + ürün etiketi */
.xb-prod-rule {
    display: flex;
    align-items: baseline;
    gap: var(--xb-4);
    padding-bottom: var(--xb-3);
    border-bottom: 1px solid var(--xb-line);
    margin-bottom: var(--xb-8);
    font-family: var(--xb-font-display);
    font-size: var(--xb-fs-xs);
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}
.xb-prod-rule-tag { color: var(--xb-eco, var(--xb-brand-dark)); }
.xb-prod-rule-name { color: var(--xb-text-3); }
.xb-prod--adx .xb-prod-rule { border-bottom-color: var(--xb-line-inv); }
.xb-prod--adx .xb-prod-rule-name { color: var(--xb-text-inv-2); }

.xb-prod-grid {
    display: grid;
    grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
    gap: var(--xb-9);
    align-items: center;
}
.xb-prod-body h2 { max-width: 24ch; margin-bottom: var(--xb-3); }
.xb-prod-body .xb-lead { max-width: 54ch; }

/* Hesapmix medyası: ana ekran + aynı ürünün ikinci ekranı (köşe detayı) */
.xb-prod-media { position: relative; }
.xb-prod-media-alt {
    width: 44%;
    position: absolute;
    right: -4%;
    bottom: -9%;
    box-shadow: var(--xb-shadow-lg);
}

.xb-prod-intro { max-width: 720px; margin-bottom: var(--xb-7); }
.xb-prod-intro h2 { margin-bottom: var(--xb-3); }

/* Adisyonix: geniş ekran görüntüsü içerikten kaydırılmış (asimetrik) */
.xb-prod-wide { max-width: 880px; margin-left: auto; }

.xb-prod-cols {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--xb-4) var(--xb-8);
    margin-top: var(--xb-7);
}
.xb-prod-cols .xb-feat { margin: 0; }
.xb-section--ink .xb-feat li { color: var(--xb-text-inv-2); }
.xb-section--ink .xb-feat b { color: #fff; }

.xb-feat {
    display: grid;
    gap: var(--xb-3);
    margin: var(--xb-6) 0;
    padding: 0;
    list-style: none;
}
.xb-feat li {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: var(--xb-3);
    align-items: start;
    font-size: var(--xb-fs-sm);
    color: var(--xb-text-2);
}
.xb-feat i {
    color: var(--xb-eco, var(--xb-brand));
    font-size: 1.05rem;
    line-height: 1.5;
}
.xb-feat b {
    display: block;
    color: var(--xb-text);
    font-weight: 650;
}

/* Yaklaşım bölümü — numarasız, asimetrik iki sütun */
.xb-approach {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.35fr);
    gap: var(--xb-9);
    align-items: start;
}
.xb-approach-side { position: sticky; top: calc(var(--xb-nav-h) + 28px); }
.xb-approach-item {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: var(--xb-3) var(--xb-6);
    padding-block: var(--xb-5);
    border-top: 1px solid var(--xb-line-2);
}
.xb-approach-item:last-child { border-bottom: 1px solid var(--xb-line-2); }
.xb-approach-item h3 { font-size: var(--xb-fs-h5); }
.xb-approach-item p { color: var(--xb-text-2); font-size: var(--xb-fs-sm); margin: 0; }

/* Güven ve teknoloji — kart tekrarı yerine ince çizgili satırlar */
.xb-trust {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 var(--xb-8);
}
.xb-trust-item {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: var(--xb-4);
    align-items: start;
    padding-block: var(--xb-5);
    border-top: 1px solid var(--xb-line-inv);
}
.xb-trust-item > i { font-size: 1.35rem; color: var(--xb-accent); line-height: 1.35; }
.xb-trust-item h3 { font-size: var(--xb-fs-h5); margin-bottom: var(--xb-1); color: #fff; }
.xb-trust-item p { color: var(--xb-text-inv-2); font-size: var(--xb-fs-sm); margin: 0; max-width: 60ch; }
.xb-trust-item--wide { grid-column: 1 / -1; }

/* --------------------------------------------------------------------------
   10. Kartlar / sonuç blokları
   -------------------------------------------------------------------------- */
.xb-card {
    background: #fff;
    border: 1px solid var(--xb-line);
    border-radius: var(--xb-radius-lg);
    padding: var(--xb-6);
    transition: border-color var(--xb-dur) var(--xb-ease),
                box-shadow var(--xb-dur) var(--xb-ease);
}
.xb-card:hover {
    border-color: var(--xb-line-2);
    box-shadow: var(--xb-shadow);
}
.xb-card h3, .xb-card h4, .xb-card h5 { margin-bottom: var(--xb-2); }
.xb-card p { color: var(--xb-text-2); font-size: var(--xb-fs-sm); }

.xb-card--ink {
    background: var(--xb-ink-2);
    border-color: var(--xb-line-inv);
    color: var(--xb-text-inv);
}
.xb-card--ink:hover { border-color: var(--xb-brand-medium); box-shadow: none; }
.xb-card--ink h3, .xb-card--ink h4, .xb-card--ink h5, .xb-card--ink h6 { color: #fff; }
.xb-card--ink p { color: var(--xb-text-inv-2); }

.xb-card-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    border-radius: var(--xb-radius);
    background: var(--xb-brand-soft);
    color: var(--xb-brand-dark);
    font-size: 1.25rem;
    margin-bottom: var(--xb-4);
}
.xb-card--ink .xb-card-ico {
    background: rgba(57,211,230,.12);
    color: var(--xb-accent);
}

/* Numaralı sonuç listesi — editoryal */
.xb-result {
    display: grid;
    grid-template-columns: 3.25rem 1fr;
    gap: var(--xb-5);
    padding-block: var(--xb-6);
    border-top: 1px solid var(--xb-line);
}
.xb-result:last-child { border-bottom: 1px solid var(--xb-line); }
.xb-result-no {
    font-family: var(--xb-font-display);
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--xb-brand);
    line-height: 1.25;
    font-variant-numeric: tabular-nums;
}
.xb-result h3 { font-size: var(--xb-fs-h4); margin-bottom: var(--xb-2); }
.xb-result p { color: var(--xb-text-2); max-width: 68ch; margin: 0; }

/* Tanım listesi (şirket anlatısı / yaklaşım) */
.xb-defs { display: grid; gap: var(--xb-6); }
.xb-def { border-left: 2px solid var(--xb-brand-medium); padding-left: var(--xb-5); }
.xb-def h4 { margin-bottom: var(--xb-2); }
.xb-def p { color: var(--xb-text-2); margin: 0; }
.xb-section--ink .xb-def { border-left-color: rgba(57,211,230,.35); }

/* --------------------------------------------------------------------------
   11. CTA
   -------------------------------------------------------------------------- */
.xb-cta {
    position: relative;
    background: var(--xb-ink);
    color: var(--xb-text-inv);
    padding-block: var(--xb-10);
    overflow: hidden;
}
.xb-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(700px 340px at 50% 0%, rgba(47,107,255,.22), transparent 65%);
    pointer-events: none;
}
.xb-cta > .xb-container { position: relative; z-index: 1; }
.xb-cta h2 { color: #fff; margin-bottom: var(--xb-4); }
.xb-cta p { color: var(--xb-text-inv-2); }
.xb-cta .xb-actions { margin-top: var(--xb-7); }
.xb-cta--center { text-align: center; }
.xb-cta--center .xb-actions { justify-content: center; }
.xb-cta--center p { margin-inline: auto; max-width: 56ch; }

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.xb-footer {
    background: var(--xb-ink-2);
    color: var(--xb-text-inv-2);
    padding-block: var(--xb-9) var(--xb-6);
    font-size: var(--xb-fs-sm);
}
.xb-footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1.3fr);
    gap: var(--xb-8);
}
.xb-footer h2 {
    font-size: var(--xb-fs-xs);
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: var(--xb-4);
}
.xb-footer p { color: var(--xb-text-inv-2); max-width: 42ch; }
.xb-footer a { color: var(--xb-text-inv-2); }
.xb-footer a:hover { color: #fff; }
.xb-footer-logo { height: 34px; width: auto; margin-bottom: var(--xb-4); }
.xb-footer ul { display: grid; gap: var(--xb-3); margin: 0; padding: 0; list-style: none; }
.xb-footer li { display: flex; align-items: flex-start; gap: .625rem; }
.xb-footer li i { color: var(--xb-brand); margin-top: .3rem; font-size: .95rem; }

.xb-footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--xb-3);
    margin-top: var(--xb-8);
    padding-top: var(--xb-5);
    border-top: 1px solid var(--xb-line-inv);
    font-size: var(--xb-fs-xs);
}
.xb-footer-bottom p { margin: 0; }

/* --------------------------------------------------------------------------
   13. İletişim
   -------------------------------------------------------------------------- */
.xb-contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--xb-9);
    align-items: start;
    max-width: 720px;
    margin-inline: auto;
}

.xb-direct {
    display: grid;
    gap: var(--xb-4);
}
.xb-direct-item {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: var(--xb-4);
    align-items: center;
    padding: var(--xb-4);
    background: #fff;
    border: 1px solid var(--xb-line);
    border-radius: var(--xb-radius-lg);
    transition: border-color var(--xb-dur) var(--xb-ease),
                box-shadow var(--xb-dur) var(--xb-ease);
}
a.xb-direct-item:hover {
    border-color: var(--xb-brand);
    box-shadow: var(--xb-shadow);
    color: inherit;
}
.xb-direct-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: var(--xb-radius);
    background: var(--xb-brand-soft);
    color: var(--xb-brand-dark);
    font-size: 1.25rem;
}
.xb-direct-item h3,
.xb-direct-item h4 { font-size: var(--xb-fs-sm); margin-bottom: .125rem; }
.xb-direct-item span { font-size: var(--xb-fs-sm); color: var(--xb-text-2); }

/* --------------------------------------------------------------------------
   14. Sayfa başlığı (about / contact / privacy)
   -------------------------------------------------------------------------- */
.xb-page-head {
    background: #F7F9FC;
    color: var(--xb-text);
    padding-block: var(--xb-9);
    position: relative;
    overflow: hidden;
}
.xb-page-head::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(760px 380px at 82% 0%, rgba(21,94,239,.10), transparent 64%);
    pointer-events: none;
}
.xb-page-head > .xb-container { position: relative; z-index: 1; }
.xb-page-head h1 { color: #091426; max-width: 18ch; margin-bottom: var(--xb-4); }
.xb-page-head p { color: #526176; max-width: 62ch; }
.xb-page-head .xb-kicker { color: #087F9D; border-top-color: #087F9D; }

/* --------------------------------------------------------------------------
   15. 404
   -------------------------------------------------------------------------- */
.xb-404 {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: var(--xb-ink);
    color: var(--xb-text-inv);
    text-align: center;
    padding: var(--xb-8) var(--xb-gutter);
}
.xb-404 h1 { color: #fff; margin-bottom: var(--xb-4); }
.xb-404 p { color: var(--xb-text-inv-2); margin-inline: auto; max-width: 46ch; }
.xb-404-code {
    font-family: var(--xb-font-display);
    font-size: var(--xb-fs-xs);
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--xb-accent);
    margin-bottom: var(--xb-4);
}
.xb-404 .xb-actions { justify-content: center; margin-top: var(--xb-7); }

/* --------------------------------------------------------------------------
   16. Hareket
   Reveal stilleri yalnızca JS yüklendiğinde (html.ui-js) devreye girer;
   JS yoksa hiçbir içerik gizli başlamaz.
   -------------------------------------------------------------------------- */
html.ui-js .xb-reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity var(--xb-dur-slow) var(--xb-ease),
                transform var(--xb-dur-slow) var(--xb-ease);
}
html.ui-js .xb-reveal.is-revealed { opacity: 1; transform: none; }
html.ui-js .xb-reveal-1 { transition-delay: .07s; }
html.ui-js .xb-reveal-2 { transition-delay: .14s; }
html.ui-js .xb-reveal-3 { transition-delay: .21s; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    html.ui-js .xb-reveal { opacity: 1; transform: none; }
    .xb-btn:hover { transform: none; }
}

/* --------------------------------------------------------------------------
   17. Duyarlılık
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
    .xb-hero-grid { gap: var(--xb-7); }
    .xb-prod-grid, .xb-approach { gap: var(--xb-7); }
}

@media (max-width: 991px) {
    :root { --xb-10: 4rem; --xb-9: 3rem; --xb-nav-h: 66px; }

    .xb-nav-brand img { height: 38px; }
    .xb-nav-toggle { display: inline-flex; }

    .xb-nav-panel {
        display: block;
        position: fixed;
        inset: var(--xb-nav-h) 0 0 0;
        background: #fff;
        border-top: 1px solid #E3E9F2;
        padding: var(--xb-6) var(--xb-gutter) var(--xb-8);
        overflow-y: auto;
        visibility: hidden;
        opacity: 0;
        transform: translateY(-8px);
        transition: opacity var(--xb-dur) var(--xb-ease),
                    transform var(--xb-dur) var(--xb-ease),
                    visibility var(--xb-dur) var(--xb-ease);
    }
    .xb-nav-panel.is-open { visibility: visible; opacity: 1; transform: none; }

    .xb-nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: var(--xb-5);
    }
    .xb-nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    .xb-nav-links li { border-bottom: 1px solid #E3E9F2; }
    .xb-nav-links a {
        display: block;
        padding: var(--xb-4) 0;
        font-size: var(--xb-fs-lg);
        font-family: var(--xb-font-display);
        font-weight: 700;
        color: #182235;
    }
    .xb-nav-links a:hover,
    .xb-nav-links a.is-active { color: #155EEF; }
    .xb-nav-links a::after { display: none; }
    .xb-nav-cta { display: block; }
    .xb-nav-cta .xb-btn { width: 100%; }

    body.xb-locked { overflow: hidden; }

    .xb-hero-grid,
    .xb-duo,
    .xb-prod-grid,
    .xb-approach { grid-template-columns: minmax(0, 1fr); }

    .xb-approach-side { position: static; }
    .xb-prod-wide { max-width: none; }
    .xb-prod-media { margin-top: var(--xb-2); }

    .xb-hero h1 { max-width: none; }
    .xb-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .xb-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .xb-footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--xb-6); }
}

@media (max-width: 640px) {
    :root { --xb-10: 3.25rem; --xb-9: 2.5rem; --xb-gutter: 1rem; }

    .xb-grid--2,
    .xb-grid--3,
    .xb-grid--4,
    .xb-footer-grid { grid-template-columns: minmax(0, 1fr); }

    .xb-duo-panel { padding: var(--xb-5); }
    .xb-prod-cols { grid-template-columns: minmax(0, 1fr); }
    .xb-prod-media-alt { display: none; }
    .xb-approach-item { grid-template-columns: minmax(0, 1fr); }
    .xb-trust { grid-template-columns: minmax(0, 1fr); }

    .xb-result { grid-template-columns: minmax(0, 1fr); gap: var(--xb-2); }
    .xb-actions .xb-btn { width: 100%; }
    .xb-hero-index-item:hover { transform: none; }
}

/* --------------------------------------------------------------------------
   18. X geometrisi — logodaki "X"ten türeyen grafik dil
   Kesişen iki eksen: elektrik mavisi ve turkuaz, iki bağımsız ürünü temsil
   eder. Dekoratif; içerik akışını bozmaz, pointer-events almaz.
   -------------------------------------------------------------------------- */
.xb-x-axis {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.xb-x-axis::before,
.xb-x-axis::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 180%;
    height: 1px;
}
.xb-x-axis::before {
    background: linear-gradient(90deg, transparent, rgba(47,107,255,.16), transparent);
    transform: translate(-50%, -50%) rotate(24deg);
}
.xb-x-axis::after {
    background: linear-gradient(90deg, transparent, rgba(57,211,230,.12), transparent);
    transform: translate(-50%, -50%) rotate(-24deg);
}

/* Kontrollü diyagonal köşe kesiği — kart olmayan yüzey vurgusu */
.xb-cut {
    clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

/* Lead/iletişim formu (ui.css .ui-lead-*) — XBEX marka eşlemesi */
:root {
    --lead-accent: var(--xb-brand);
    --lead-accent-strong: var(--xb-brand-dark);
    --lead-accent-ink: #FFFFFF;
    --lead-accent-soft: var(--xb-brand-soft);
    --lead-line: var(--xb-line);
    --lead-line-2: var(--xb-line-2);
    --lead-text: var(--xb-text);
    --lead-text-2: var(--xb-text-2);
    --lead-bg: #FFFFFF;
    --lead-bg-alt: var(--xb-bg-alt);
}