/* ==========================================================================
   Yıldız Tedarik — Design System
   Tek kaynak: tüm renk/tipografi/spacing token'ları ve ortak bileşen
   stilleri burada. Bu dosya bir bundle ÇIKTISI değildir — elle yazılmış
   kaynak dosyadır. Silinirse otomatik geri gelmez, mutlaka kaynak
   kontrolünde (git) tutulmalıdır.
   ========================================================================== */

:root {
    /* Colors */
    --navy-900: #0B1E3A;
    --navy-800: #12294D;
    --navy-700: #1B3A66;
    --primary: #1E4DA6;
    --primary-light: #EAF0FB;
    --accent: #F59E0B;
    --accent-dark: #C97F08;
    --accent-light: #FEF3DD;

    --bg: #F6F8FB;
    --surface: #FFFFFF;
    --text: #1A2233;
    --text-muted: #5B6472;
    --text-faint: #8A93A3;
    --border: #E4E8F0;

    --success: #1E8449;
    --success-bg: #EAF7EF;
    --error: #C0392B;
    --error-bg: #FBEAE8;

    /* Typography */
    --font-heading: "Sora", sans-serif;
    --font-body: "Inter", sans-serif;

    /* Radius / Shadow */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 10px rgba(11, 30, 58, .06);
    --shadow-md: 0 10px 30px rgba(11, 30, 58, .10);
    --shadow-lg: 0 24px 60px rgba(11, 30, 58, .16);

    /* Layout */
    --header-h: 96px;
    --section-py: 100px;
    --section-py-sm: 60px;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; transition: color .2s ease; }

ul { list-style: none; margin: 0; padding: 0; }

button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--navy-900);
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 .6em;
}

p { margin: 0 0 1em; color: var(--text-muted); }

.container { max-width: 1240px; }

/* ==========================================================================
   Utilities
   ========================================================================== */

.yt-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--accent-dark);
    background: var(--accent-light);
    padding: 7px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 18px;
}

.yt-eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex: none;
}

.yt-section { padding: var(--section-py) 0; }
.yt-section--sm { padding: var(--section-py-sm) 0; }
.yt-section--dark { background: var(--navy-900); color: rgba(255,255,255,.85); }
.yt-section--dark h1, .yt-section--dark h2, .yt-section--dark h3 { color: #fff; }
.yt-section--dark p { color: rgba(255,255,255,.7); }
.yt-section--surface { background: var(--surface); }
.yt-section--tint { background: var(--primary-light); }

.yt-head { max-width: 720px; margin: 0 0 52px; }
.yt-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.yt-head h2 { font-size: clamp(1.7rem, 1.4rem + 1.4vw, 2.5rem); }
.yt-head p { font-size: 17px; margin: 0; }

.yt-grid { display: grid; gap: 28px; }
.yt-grid--2 { grid-template-columns: repeat(2, 1fr); }
.yt-grid--3 { grid-template-columns: repeat(3, 1fr); }
.yt-grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 991px) {
    .yt-grid--3, .yt-grid--4 { grid-template-columns: repeat(2, 1fr); }
    :root { --section-py: 72px; }
}

@media (max-width: 575px) {
    .yt-grid--2, .yt-grid--3, .yt-grid--4 { grid-template-columns: 1fr; }
    :root { --section-py: 56px; --section-py-sm: 44px; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.yt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    padding: 16px 30px;
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    white-space: nowrap;
    transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}

.yt-btn:hover { transform: translateY(-2px); }

.yt-btn--accent { background: var(--accent); color: var(--navy-900); box-shadow: var(--shadow-sm); }
.yt-btn--accent:hover { background: var(--accent-dark); color: #fff; }

.yt-btn--primary { background: var(--navy-900); color: #fff; }
.yt-btn--primary:hover { background: var(--navy-700); color: #fff; }

.yt-btn--outline { background: transparent; border-color: rgba(255,255,255,.35); color: #fff; }
.yt-btn--outline:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.6); }

.yt-btn--outline-dark { background: transparent; border-color: var(--border); color: var(--navy-900); }
.yt-btn--outline-dark:hover { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }

.yt-btn--sm { padding: 11px 22px; font-size: 13.5px; }
.yt-btn--block { width: 100%; }

/* ==========================================================================
   Cards
   ========================================================================== */

.yt-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease;
}

.yt-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.yt-icon-box {
    width: 62px;
    height: 62px;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    flex: none;
}

.yt-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    background: var(--primary-light);
    color: var(--primary);
}

.yt-badge--accent { background: var(--accent-light); color: var(--accent-dark); }

/* ==========================================================================
   Forms
   ========================================================================== */

.yt-field { margin-bottom: 18px; }

.yt-field label {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.yt-input, .yt-textarea, select.yt-input {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text);
    transition: border-color .2s ease, box-shadow .2s ease;
}

.yt-input:focus, .yt-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.yt-textarea { resize: vertical; min-height: 130px; }

.js-form-message {
    display: none;
    margin-top: 16px;
    padding: 13px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
}

.js-form-message.success { display: block; background: var(--success-bg); color: var(--success); }
.js-form-message.error { display: block; background: var(--error-bg); color: var(--error); }

/* ==========================================================================
   Header
   ========================================================================== */

.yt-topbar {
    background: var(--navy-900);
    color: rgba(255,255,255,.75);
    font-size: 13.5px;
}

.yt-topbar .container { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; column-gap: 20px; height: 42px; }

.yt-topbar-mobile { grid-column: 1; display: none; align-items: center; gap: 26px; }
.yt-topbar-mobile a { color: rgba(255,255,255,.75); }
.yt-topbar-mobile a:hover { color: var(--accent); }
.yt-topbar-mobile i { color: var(--accent); margin-right: 7px; }

.yt-topbar-ticker { grid-column: 2; display: flex; align-items: center; justify-content: center; gap: 14px; min-width: 0; }

.yt-ticker-arrow {
    flex: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.08);
    color: rgba(255,255,255,.65);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    transition: background .2s ease, color .2s ease;
}
.yt-ticker-arrow:hover { background: var(--accent); color: var(--navy-900); }

.yt-ticker-viewport { position: relative; height: 18px; overflow: hidden; width: min(560px, 46vw); }
.yt-ticker-list { position: relative; height: 100%; margin: 0; padding: 0; }
.yt-ticker-list li {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity .4s ease, transform .4s ease;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: rgba(255,255,255,.85);
}
.yt-ticker-list li.active { opacity: 1; transform: translateY(0); }

.yt-topbar-social { grid-column: 3; display: flex; align-items: center; gap: 14px; justify-self: end; }
.yt-topbar-social a { color: rgba(255,255,255,.6); font-size: 14px; }
.yt-topbar-social a:hover { color: var(--accent); }

.yt-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.yt-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    min-height: var(--header-h);
}

.yt-brand img { display: block; height: 52px; width: auto; }

.yt-nav { display: flex; align-items: center; gap: 4px; }

.yt-nav > li { position: relative; }

.yt-nav > li > a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 14px 16px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    color: var(--navy-900);
    border-radius: var(--radius-sm);
}

.yt-nav > li > a:hover, .yt-nav > li.cs_active > a { color: var(--primary); background: var(--primary-light); }

.yt-nav > li.menu-item-has-children > a::after {
    content: "\f107";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 12px;
    opacity: .6;
}

.yt-header-actions { display: flex; align-items: center; gap: 14px; }

.yt-icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    color: var(--navy-900);
    border: 1px solid var(--border);
    flex: none;
}

.yt-icon-btn:hover { background: var(--primary-light); color: var(--primary); }

.yt-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg);
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex: none;
}

.yt-header-close, .yt-nav-overlay { display: none; }

/* Mega menu */
.cs_mega_wrapper {
    position: absolute;
    top: calc(100% + 14px);
    left: 0;
    min-width: 260px;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 14px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    z-index: 50;
}

.yt-nav > li:hover > .cs_mega_wrapper {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.cs_mega_wrapper li a {
    display: block;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14.5px;
    color: var(--text);
}

.cs_mega_wrapper li a:hover { background: var(--primary-light); color: var(--primary); }

.yt-nav > li.cs_urunlerimiz_menu { position: static; }

.cs_urunlerimiz_wrapper.cs_mega_wrapper {
    display: block;
    columns: 4;
    column-gap: 28px;
    width: min(1240px, calc(100vw - 32px));
    left: max(16px, calc((100vw - 1240px) / 2));
    padding: 28px;
}

.cs_urunlerimiz_col {
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    display: block;
    margin-bottom: 22px;
}

.cs_urunlerimiz_col_title {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    color: var(--navy-900);
    padding: 8px 14px !important;
    margin-bottom: 4px;
    border-bottom: 2px solid var(--border);
}

.cs_urunlerimiz_col ul { margin-bottom: 0; }

@media (max-width: 1199px) {
    .yt-ticker-viewport { width: min(420px, 40vw); }
    .cs_urunlerimiz_wrapper.cs_mega_wrapper { columns: 2; width: min(640px, 90vw); }
}

@media (max-width: 991px) {
    .yt-menu-toggle { display: flex; }

    .yt-nav-wrap {
        position: fixed;
        inset: 0 0 0 auto;
        width: min(340px, 88vw);
        height: 100vh;
        background: var(--navy-900);
        padding: 100px 22px 30px;
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform .35s ease;
        z-index: 1000;
    }

    .yt-nav-wrap.cs_active { transform: translateX(0); }

    .yt-nav { flex-direction: column; align-items: stretch; gap: 0; }
    .yt-nav > li > a { color: #fff; padding: 15px 6px; border-bottom: 1px solid rgba(255,255,255,.08); border-radius: 0; }
    .yt-nav > li > a:hover { background: transparent; color: var(--accent); }

    .cs_mega_wrapper {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        box-shadow: none;
        background: rgba(255,255,255,.04);
        width: 100% !important;
        grid-template-columns: 1fr !important;
        columns: 1 !important;
    }

    .yt-nav > li.cs_active .cs_mega_wrapper { display: block; }
    .cs_mega_wrapper li a { color: rgba(255,255,255,.75); }
    .cs_urunlerimiz_col_title { color: #fff; border-color: rgba(255,255,255,.15); }

    .yt-header-close {
        position: absolute;
        top: 26px;
        right: 22px;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255,255,255,.08);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .yt-nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(11,30,58,.55);
        z-index: 999;
    }

    .yt-nav-overlay.cs_active { display: block; }
}

@media (max-width: 767px) {
    .yt-topbar .container { grid-template-columns: none; display: flex; justify-content: space-between; }
    .yt-topbar-mobile { display: flex; width: 100%; justify-content: space-between; gap: 12px; }
    .yt-topbar-ticker, .yt-topbar-social { display: none; }
}

@media (max-width: 575px) {
    :root { --header-h: 76px; }
    .yt-brand img { height: 40px; }
}

/* Search modal */
.cs_modal_search {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(11,30,58,.96);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}

.cs_modal_search.cs_active { opacity: 1; visibility: visible; }

.cs_modal_search_form { width: min(640px, 90vw); position: relative; }

.cs_modal_search_input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(255,255,255,.3);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 28px;
    padding: 14px 46px 14px 0;
}

.cs_modal_search_input:focus { outline: none; border-color: var(--accent); }
.cs_modal_search_input::placeholder { color: rgba(255,255,255,.4); }

.cs_search_close {
    position: absolute;
    right: 0;
    top: 6px;
    background: none;
    border: none;
    color: #fff;
    width: 34px;
    height: 34px;
}

.cs_search_results {
    max-width: 640px;
    margin: 20px auto 0;
    max-height: 50vh;
    overflow-y: auto;
}

.cs_search_results a {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.cs_search_results a:hover { background: rgba(255,255,255,.08); color: var(--accent); }
.cs_search_results .cs_search_empty { padding: 12px 16px; color: rgba(255,255,255,.6); font-size: 14px; }

/* ==========================================================================
   Footer
   ========================================================================== */

.yt-footer { background: var(--navy-900); color: rgba(255,255,255,.65); padding: 80px 0 0; }
.yt-footer h2, .yt-footer h3 { color: #fff; }

.yt-footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 44px;
    margin-bottom: 44px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.yt-footer-top img { height: 46px; width: auto; }
.yt-footer-top--centered { justify-content: center; }

.cs_social_btns { display: flex; gap: 10px; }

.cs_social_btns a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.cs_social_btns a:hover { background: var(--accent); color: var(--navy-900); }

.cs_footer_row { display: flex; flex-wrap: wrap; gap: 32px; padding-bottom: 50px; }
.cs_footer_col { flex: 1 1 180px; min-width: 160px; }

.cs_footer_widget_title {
    font-family: var(--font-heading);
    font-size: 16px !important;
    font-weight: 700;
    color: var(--accent) !important;
    margin-bottom: 18px !important;
}

.cs_footer_widget_menu li { margin-bottom: 11px; }
.cs_footer_widget_menu li a { font-size: 14px; color: rgba(255,255,255,.6); }
.cs_footer_widget_menu li a:hover { color: var(--accent); }

.cs_footer_bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; }
.cs_footer_bottom_in { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.cs_copyright { font-size: 13.5px; color: rgba(255,255,255,.5); }
.cs_footer_bottom .cs_footer_widget_menu { display: flex; gap: 22px; }
.cs_footer_bottom .cs_footer_widget_menu li a { font-size: 13.5px; }

@media (max-width: 767px) {
    .yt-footer { padding-top: 56px; }
    .yt-footer-top { flex-direction: column; text-align: center; }
    .cs_footer_bottom_in { flex-direction: column; text-align: center; }
}

/* ==========================================================================
   Hero (Home slider)
   ========================================================================== */

.yt-hero-wrap { position: relative; }

/* Prevent layout-shift/anchor-jump bugs: keep only the first slide visible
   (and thus contributing height) until slick.js takes over positioning. */
.yt-hero-wrap:not(.slick-initialized) .yt-hero ~ .yt-hero { display: none; }

[id] { scroll-margin-top: 150px; }

.yt-hero {
    position: relative;
    min-height: 640px;
    display: flex !important;
    align-items: center !important;
    background-color: var(--navy-900);
    background-position: center !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
}

.yt-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(11,30,58,.92) 0%, rgba(11,30,58,.72) 42%, rgba(11,30,58,.35) 100%);
}

.yt-hero-content { position: relative; z-index: 2; max-width: 680px; }
.yt-hero-content .yt-eyebrow { background: rgba(245,158,11,.18); color: var(--accent); }
.yt-hero-content .yt-eyebrow::before { background: var(--accent); }

.yt-hero-title {
    font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.6rem);
    color: #fff;
    margin-bottom: 22px;
}

.yt-hero-desc { color: rgba(255,255,255,.78); font-size: 18px; max-width: 560px; margin-bottom: 34px; }

.yt-hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.yt-hero-wrap .slick-dots {
    position: absolute;
    bottom: 28px;
    left: 0;
    right: 0;
    display: flex !important;
    justify-content: center;
    gap: 9px;
    z-index: 3;
}

.yt-hero-wrap .slick-dots li button { font-size: 0; width: 10px; height: 10px; padding: 0; border: none; border-radius: 50%; background: rgba(255,255,255,.4); }
.yt-hero-wrap .slick-dots li.slick-active button { background: var(--accent); width: 26px; border-radius: var(--radius-pill); }

@media (max-width: 767px) {
    .yt-hero { min-height: 520px; padding: 60px 0; }
}

/* ==========================================================================
   Feature strip (3 icon cards floating over hero)
   ========================================================================== */

.yt-feature-strip {
    position: relative;
    z-index: 5;
    margin-top: -70px;
}

@media (max-width: 991px) {
    .yt-feature-strip { margin-top: -40px; }
}

@media (max-width: 767px) {
    .yt-feature-strip { margin-top: 24px; }
}

.yt-feature-card {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 34px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    height: 100%;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease;
}

.yt-feature-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
}

.yt-feature-card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px rgba(11,30,58,.18); }
.yt-feature-card:hover::before { transform: scaleX(1); }

.yt-feature-icon {
    width: 68px;
    height: 68px;
    flex: none;
    border-radius: 50%;
    background: linear-gradient(150deg, var(--navy-900), var(--primary));
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 27px;
    box-shadow: 0 10px 22px rgba(30,77,166,.28);
}

.yt-feature-card h3 {
    font-size: 16.5px;
    margin: 0 0 4px;
    line-height: 1.35;
}

.yt-feature-card p {
    font-size: 13.5px;
    margin: 0;
    color: var(--text-faint);
}

/* ==========================================================================
   Stats / Counters
   ========================================================================== */

.yt-stat { text-align: center; }
.yt-stat .odometer, .yt-stat-num {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 1.9rem + 1vw, 3rem);
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}
.yt-stat-label { margin-top: 10px; font-size: 14.5px; font-weight: 600; color: rgba(255,255,255,.7); }

/* ==========================================================================
   Tabs (Öne Çıkan Ürünler)
   ========================================================================== */

.yt-tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }

.yt-tab-btn {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14.5px;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
}

.yt-tab-btn.active, .yt-tab-btn:hover { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }

.yt-tab-panel { display: none; }
.yt-tab-panel.active { display: block; }

/* ==========================================================================
   Accordion (SSS)
   ========================================================================== */

.yt-accordion-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
}

.yt-accordion-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px;
    color: var(--navy-900);
}

.yt-accordion-head::after {
    content: "\f107";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--primary);
    transition: transform .25s ease;
    flex: none;
}

.yt-accordion-item.active .yt-accordion-head::after { transform: rotate(180deg); }

.yt-accordion-body { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.yt-accordion-item.active .yt-accordion-body { max-height: 600px; }
.yt-accordion-body-in { padding: 0 24px 22px; color: var(--text-muted); }

/* ==========================================================================
   Page heading (Sayfa / İletişim)
   ========================================================================== */

.yt-page-hero {
    position: relative;
    padding: 150px 0 76px;
    text-align: center;
    background: var(--navy-900) center/cover no-repeat;
    color: #fff;
}

.yt-page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,30,58,.88), rgba(11,30,58,.72)); }
.yt-page-hero > * { position: relative; z-index: 1; }
.yt-page-hero h1 { color: #fff; font-size: clamp(1.8rem, 1.5rem + 1.6vw, 2.6rem); margin-bottom: 12px; }
.yt-page-hero .yt-breadcrumb { color: rgba(255,255,255,.65); font-size: 14px; }
.yt-page-hero .yt-breadcrumb a { color: rgba(255,255,255,.85); }
.yt-page-hero .yt-breadcrumb a:hover { color: var(--accent); }

/* ==========================================================================
   Contact info cards (İletişim)
   ========================================================================== */

.yt-contact-card {
    padding: 32px;
    text-align: center;
}

.yt-contact-card .yt-icon-box { margin: 0 auto 20px; }
.yt-contact-card h3 { font-size: 18px; margin-bottom: 8px; }
.yt-contact-card p { margin-bottom: 0; }
.yt-contact-card a { color: var(--text-muted); }
.yt-contact-card a:hover { color: var(--primary); }

.yt-map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.yt-map-wrap iframe { display: block; width: 100%; height: 420px; border: 0; }

/* ==========================================================================
   Product detail (Sayfa — Ürünler)
   ========================================================================== */

.yt-urun-gallery-main { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--surface); }
.yt-urun-gallery-main img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; padding: 20px; }

.yt-urun-gallery-thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.yt-urun-gallery-thumbs img { width: 76px; height: 76px; object-fit: contain; border-radius: var(--radius-sm); border: 2px solid var(--border); padding: 6px; background: var(--surface); cursor: pointer; }
.yt-urun-gallery-thumbs img.active, .yt-urun-gallery-thumbs img:hover { border-color: var(--primary); }

.yt-urun-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.yt-urun-price { font-family: var(--font-heading); font-size: 22px; font-weight: 800; color: var(--accent-dark); }

.yt-urun-spec-box { background: var(--bg); border-radius: var(--radius-md); padding: 22px 24px; margin-top: 18px; }
.yt-urun-spec-box h3 { font-size: 16px; margin-bottom: 10px; }

.yt-urun-kategoriler { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }

/* ==========================================================================
   Process steps
   ========================================================================== */

.yt-step { text-align: center; padding: 0 10px; }
.yt-step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    position: relative;
}
.yt-step-num {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--navy-900);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.yt-step h3 { font-size: 17px; }

/* ==========================================================================
   Blog / news cards
   ========================================================================== */

.yt-post-card img { border-radius: var(--radius-lg); aspect-ratio: 16/10; object-fit: cover; margin-bottom: 18px; }
.yt-post-date { font-size: 13px; font-weight: 600; color: var(--text-faint); margin-bottom: 8px; display: block; }
.yt-post-card h3 { font-size: 18px; }

/* ==========================================================================
   Home — About split
   ========================================================================== */

.yt-about-media { position: relative; }
.yt-about-media img { border-radius: var(--radius-lg); width: 100%; aspect-ratio: 4/5; object-fit: cover; }

.yt-about-badge {
    position: absolute;
    left: -18px;
    bottom: -18px;
    background: var(--accent);
    color: var(--navy-900);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 15px;
    box-shadow: var(--shadow-md);
}

.yt-about-play {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255,255,255,.9);
    color: var(--navy-900);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-md);
}

@media (max-width: 767px) {
    .yt-about-badge { left: 14px; bottom: 14px; padding: 12px 16px; font-size: 13px; }
}

/* ==========================================================================
   Home — Category cards
   ========================================================================== */

.yt-kat-card { overflow: hidden; }
.yt-kat-card-media { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.yt-kat-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.yt-kat-card:hover .yt-kat-card-media img { transform: scale(1.06); }
.yt-kat-card-num {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,.92);
    color: var(--navy-900);
    font-family: var(--font-heading);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.yt-kat-card-body { padding: 24px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.yt-kat-card-body h3 { font-size: 18px; margin: 0; }
.yt-kat-card-body a { color: var(--primary); font-weight: 700; font-size: 14px; white-space: nowrap; }

/* ==========================================================================
   Home — Bento grid (Öne çıkan ürünler)
   ========================================================================== */

.yt-bento-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-auto-rows: 260px;
    grid-auto-flow: row dense;
    gap: 22px;
}

.yt-bento-hero, .yt-bento-small { display: block; height: 100%; }

.yt-bento-hero {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(150deg, var(--navy-800) 0%, var(--navy-900) 55%, var(--primary) 100%);
}

.yt-bento-hero img {
    position: absolute;
    top: 20px;
    left: 20px;
    width: calc(100% - 40px);
    height: calc(100% - 132px);
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: transform .5s ease;
}
.yt-bento-hero:hover img { transform: scale(1.04); }

.yt-bento-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 2;
    background: var(--accent);
    color: var(--navy-900);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    padding: 7px 15px;
    border-radius: var(--radius-pill);
}

.yt-bento-hero-info {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    z-index: 2;
    padding: 18px 26px 26px;
}

.yt-bento-hero-info h3 { color: #fff; font-size: 22px; margin: 0 0 10px; }

.yt-bento-small {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
}

.yt-bento-small:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--primary); }

.yt-bento-small-img {
    flex: 1;
    min-height: 0;
    border-radius: var(--radius-sm);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    margin-bottom: 12px;
    overflow: hidden;
}

.yt-bento-small-img img { width: 100%; height: 100%; object-fit: contain; transition: transform .4s ease; }
.yt-bento-small:hover .yt-bento-small-img img { transform: scale(1.08); }

.yt-bento-small h4 { font-size: 13.5px; margin: 0 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.yt-bento-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--primary); transition: gap .2s ease; }
.yt-bento-hero .yt-bento-link { color: #fff; }
.yt-bento-hero:hover .yt-bento-link, .yt-bento-small:hover .yt-bento-link { gap: 10px; }

@media (max-width: 991px) {
    .yt-bento-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 210px; }
    .yt-bento-hero { grid-column: 1 / 3; grid-row: span 2; }
}

@media (max-width: 575px) {
    .yt-bento-grid { grid-template-columns: 1fr; gap: 16px; grid-auto-rows: auto; }
    .yt-bento-hero { grid-column: 1; grid-row: auto; height: 340px; width: 100%; }
    .yt-bento-hero img { top: 16px; left: 16px; width: calc(100% - 32px); height: calc(100% - 130px); padding: 0; }
    .yt-bento-small { grid-column: 1; width: 100%; height: auto; min-height: 220px; }
}

/* ==========================================================================
   Home — Quote / CTA section
   ========================================================================== */

.yt-quote-section {
    position: relative;
    background:
        radial-gradient(ellipse 900px 500px at 15% 10%, rgba(245,158,11,.16), transparent 60%),
        radial-gradient(ellipse 700px 600px at 100% 100%, rgba(30,77,166,.35), transparent 55%),
        linear-gradient(135deg, var(--navy-800) 0%, var(--navy-900) 55%, #0a1730 100%);
    overflow: hidden;
}

.yt-quote-section::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: .5;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='84' height='84' viewBox='0 0 84 84'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'%3E%3Cpath d='M0 42h84M42 0v84'/%3E%3Ccircle cx='42' cy='42' r='30'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 84px 84px;
    pointer-events: none;
}

.yt-quote-section::after {
    content: "\f466";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    right: -60px;
    bottom: -90px;
    font-size: 420px;
    line-height: 1;
    color: #fff;
    opacity: .035;
    pointer-events: none;
    transform: rotate(-8deg);
}

.yt-quote-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: stretch; }

.yt-quote-form-card { background: var(--surface); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-lg); }
.yt-quote-form-card h3 { font-size: 24px; margin-bottom: 22px; }

.yt-quote-stats { display: flex; flex-direction: column; justify-content: center; gap: 34px; padding: 20px; }
.yt-quote-stat { display: flex; align-items: center; gap: 20px; }
.yt-quote-stat i { font-size: 30px; color: var(--accent); width: 60px; text-align: center; flex: none; }

@media (max-width: 991px) {
    .yt-quote-grid { grid-template-columns: 1fr; }
    .yt-quote-form-card { padding: 28px; }
}

/* ==========================================================================
   Home — CTA banner
   ========================================================================== */

.yt-cta-banner {
    background: var(--navy-900);
    border-radius: var(--radius-lg);
    padding: 56px;
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 40px;
    align-items: center;
    color: #fff;
}

.yt-cta-banner h2 { color: #fff; }
.yt-cta-banner .yt-check-list li { display: flex; gap: 12px; color: rgba(255,255,255,.78); margin-bottom: 14px; font-size: 15px; }
.yt-cta-banner .yt-check-list i { color: var(--accent); margin-top: 4px; flex: none; }

@media (max-width: 767px) {
    .yt-cta-banner { grid-template-columns: 1fr; padding: 34px 24px; text-align: left; }
}

/* ==========================================================================
   Sayfa — Content image gallery (lightbox)
   ========================================================================== */

.yt-gallery-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
    display: block;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm);
    transition: transform .3s ease, box-shadow .3s ease;
}

.yt-gallery-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.yt-gallery-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.yt-gallery-card:hover img { transform: scale(1.06); }

.yt-gallery-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(11,30,58,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 26px;
    opacity: 0;
    transition: opacity .25s ease;
}

.yt-gallery-card:hover .yt-gallery-card-overlay { opacity: 1; }

/* ==========================================================================
   Sayfa — Catalog (ürün listesi)
   ========================================================================== */

.yt-catalog-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--navy-900);
}

.yt-catalog-head h2 { font-size: 24px; margin: 0; }
.yt-catalog-count { font-size: 13px; color: var(--text-faint); font-weight: 600; white-space: nowrap; }

.yt-catalog-card {
    display: block;
    height: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .3s ease, transform .3s ease;
}

.yt-catalog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.yt-catalog-card-img { position: relative; aspect-ratio: 1/1; background: var(--bg); overflow: hidden; }
.yt-catalog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.yt-catalog-card:hover .yt-catalog-card-img img { transform: scale(1.08); }

.yt-catalog-card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(11,30,58,.85);
    color: #fff;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .04em;
    padding: 5px 11px;
    border-radius: var(--radius-pill);
}

.yt-catalog-card-body { padding: 20px 22px; border-top: 1px solid var(--border); }
.yt-catalog-card-body h3 { font-size: 16.5px; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.7em; }
.yt-catalog-card-link { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--accent-dark); }
.yt-catalog-card:hover .yt-catalog-card-link i { transform: translateX(4px); }
.yt-catalog-card-link i { transition: transform .25s ease; }

@media (max-width: 575px) {
    .yt-catalog-card-body { padding: 14px 16px; }
    .yt-catalog-card-body h3 { font-size: 14.5px; min-height: 0; -webkit-line-clamp: 3; }
}

/* ==========================================================================
   Misc
   ========================================================================== */

.yt-divider { height: 1px; background: var(--border); border: none; margin: 0; }

.wow { visibility: visible; }