/* Shared responsive section rhythm. Keep these defaults with the core design stylesheet. */
:root {
    --section-space: clamp(80px, 7vw, 104px);
    --section-space-compact: clamp(48px, 5vw, 64px)
}

@media(max-width:850px) {
    :root {
        --section-space: 72px;
        --section-space-compact: 56px
    }
}

@media(max-width:560px) {
    :root {
        --section-space: 64px;
        --section-space-compact: 44px
    }
}

*,
*::before,
*::after {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    overflow-x: clip;
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
    background: #0f1217;
    color: var(--color-ink);
    font-family: var(--font-body, Poppins, Arial, sans-serif);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: clip;
    width: 100%;
    position: relative;
}

button,
input,
select,
textarea {
    font-family: inherit;
}

input::file-selector-button {
    font-family: inherit;
}

img,
video,
iframe,
canvas {
    max-width: 100%;
    height: auto
}

a {
    color: inherit;
    text-decoration: none
}

.wrap {
    width: min(1180px, calc(100% - 40px));
    margin: auto;
    max-width: 100%
}

header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    margin-top: 0;
    padding-top: 0;
    z-index: 40;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    margin-bottom: -102px;
    max-width: 100%;
    transition: background 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease, margin-bottom 0.35s ease;
}

header.is-scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    margin-bottom: -78px;
}

nav {
    height: 102px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100%;
    transition: height 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

header.is-scrolled nav {
    height: 78px;
}

.brand {
    display: flex;
    align-items: center;
    color: #ffffff;
}

header.is-scrolled .brand {
    color: #111827;
}

.brand-logo {
    display: block;
    width: clamp(300px, 30vw, 360px);
    height: auto;
    max-height: 60px;
    object-fit: contain;
    transition: opacity 0.25s ease;
}

header.is-scrolled .brand-logo {
    width: clamp(285px, 27vw, 330px);
    max-height: 54px;
}

@media (min-width: 851px) and (max-width: 1100px) {
    .brand-logo {
        width: clamp(250px, 28vw, 300px);
        max-height: 50px;
    }

    header.is-scrolled .brand-logo {
        width: 250px;
        max-height: 46px;
    }
}

.brand-logo--white {
    display: block !important;
}

.brand-logo--dark {
    display: none !important;
}

header.is-scrolled .brand-logo--white {
    display: none !important;
}

header.is-scrolled .brand-logo--dark {
    display: block !important;
}

.links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-weight: 600;
    font-size: .9rem;
}

.drawer-header-mobile,
.drawer-contact-info,
.nav-backdrop {
    display: none;
}

.drawer-nav-items {
    display: contents;
}

/* ── 1. ŞEFFAF HAL (BAŞLANGIÇ DURUMU) - TÜM MENÜ YAZILARI VE İKONLARI BEYAZ ── */
@media (min-width: 851px) {

    #site-header .links a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):not(.drawer-brand):not(.drawer-contact-phone),
    #site-header .drawer-nav-items a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a),
    #site-header .nav-parent>a,
    .links a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):not(.drawer-brand):not(.drawer-contact-phone),
    .drawer-nav-items>a:not(.nav-cta),
    .links>a:not(.nav-cta),
    .nav-parent>a {
        color: #ffffff !important;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
        transition: color 0.25s ease;
    }

    #site-header .links a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):not(.drawer-brand):not(.drawer-contact-phone):hover,
    #site-header .drawer-nav-items a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):hover,
    #site-header .nav-parent>a:hover,
    #site-header .nav-group:hover .nav-parent>a,
    #site-header .nav-group:hover .submenu-toggle,
    .links a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):not(.drawer-brand):not(.drawer-contact-phone):hover,
    .drawer-nav-items>a:not(.nav-cta):hover,
    .links>a:not(.nav-cta):hover,
    .nav-parent>a:hover,
    .nav-group:hover .nav-parent>a {
        color: var(--color-brand-accent, #d71920) !important;
    }

    #site-header .submenu-toggle,
    .submenu-toggle {
        color: #ffffff !important;
    }
}

.menu {
    display: none;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 10px;
    width: 44px;
    height: 44px;
    padding: 0;
    cursor: pointer;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.25s ease;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    z-index: 100;
}

.menu .menu-bar {
    display: block;
    width: 22px;
    height: 2.5px;
    background: #ffffff;
    border-radius: 3px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu.is-active .menu-bar:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.menu.is-active .menu-bar:nth-child(2) {
    opacity: 0;
}

.menu.is-active .menu-bar:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* ── 2. SCROLL HALİ (BEYAZ HEADER) - TÜM MENÜ YAZILARI VE İKONLARI SİYAH / KOYU ── */
@media (min-width: 851px) {

    #site-header.is-scrolled .links a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):not(.drawer-brand):not(.drawer-contact-phone),
    #site-header.is-scrolled .drawer-nav-items a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a),
    #site-header.is-scrolled .nav-parent>a,
    header.is-scrolled .links a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):not(.drawer-brand):not(.drawer-contact-phone),
    header.is-scrolled .drawer-nav-items>a:not(.nav-cta),
    header.is-scrolled .links>a:not(.nav-cta),
    header.is-scrolled .nav-parent>a {
        color: #111827 !important;
        text-shadow: none !important;
    }

    #site-header.is-scrolled .links a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):not(.drawer-brand):not(.drawer-contact-phone):hover,
    #site-header.is-scrolled .drawer-nav-items a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):hover,
    #site-header.is-scrolled .nav-parent>a:hover,
    #site-header.is-scrolled .nav-group:hover .nav-parent>a,
    #site-header.is-scrolled .nav-group:hover .submenu-toggle,
    header.is-scrolled .links a:not(.nav-cta):not(.dropdown-grid a):not(.dropdown-list a):hover,
    header.is-scrolled .drawer-nav-items>a:not(.nav-cta):hover,
    header.is-scrolled .links>a:not(.nav-cta):hover,
    header.is-scrolled .nav-parent>a:hover,
    header.is-scrolled .nav-group:hover .nav-parent>a {
        color: var(--color-brand-accent, #d71920) !important;
    }

    #site-header.is-scrolled .submenu-toggle,
    header.is-scrolled .submenu-toggle {
        color: #111827 !important;
    }

    #site-header.is-scrolled .nav-group:hover .submenu-toggle,
    header.is-scrolled .nav-group:hover .submenu-toggle {
        color: var(--color-brand-accent, #d71920) !important;
    }
}

#site-header.is-scrolled .menu,
header.is-scrolled .menu {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.12);
}

#site-header.is-scrolled .menu .menu-bar,
header.is-scrolled .menu .menu-bar {
    background: #111827;
}

.nav-cta,
.button {
    background: var(--color-brand-accent);
    color: var(--color-white);
    padding: 13px 20px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    border: 0;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(215, 25, 32, .22);
    transition: transform .3s var(--motion-ease), filter .3s ease, box-shadow .3s ease, background-color .3s ease, color .3s ease
}

.button:hover {
    background: var(--color-brand-accent);
    color: var(--color-white);
    filter: brightness(1.12);
    box-shadow: 0 10px 28px rgba(215, 25, 32, .4)
}

.nav-cta:hover {
    filter: brightness(1.12);
    box-shadow: 0 10px 24px rgba(20, 22, 25, .2)
}

.hero {
    background: var(--color-ink);
    color: var(--color-white);
    min-height: clamp(760px, 88vh, 940px);
    position: relative;
    overflow: hidden;
}

.hero:after {
    content: "";
    position: absolute;
    right: -14%;
    top: -50%;
    width: 720px;
    height: 940px;
    border: 1px solid rgba(231, 182, 51, .25);
    transform: rotate(28deg);
    box-shadow: 0 0 0 90px var(--color-overlay-white-faint), 0 0 0 180px var(--color-overlay-white-minimal);
}

.gridlines {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(var(--color-overlay-white-soft) 1px, transparent 1px), linear-gradient(90deg, var(--color-overlay-white-soft) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to right, black, transparent);
}

.hero .wrap {
    min-height: clamp(760px, 88vh, 940px);
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    align-items: center;
    position: relative;
    z-index: 2;
    padding-top: clamp(170px, 20vh, 230px);
    padding-bottom: clamp(100px, 12vh, 140px);
}

.eyebrow {
    font-family: var(--font-body, Poppins, Arial, sans-serif);
    text-transform: uppercase;
    letter-spacing: .13em;
    color: var(--color-brand-accent);
    font-size: .75rem;
    margin-bottom: 20px;
    font-weight: 500
}

.hero h1 {
    font-size: clamp(3rem, 7vw, 6.8rem);
    line-height: .91;
    letter-spacing: -.065em;
    max-width: 820px;
    margin: 0 0 28px
}

.hero h1 span {
    color: transparent;
    -webkit-text-stroke: 1px #8da0af
}

.hero p {
    max-width: 650px;
    color: #b9c5cd;
    font-size: 1.1rem;
    margin: 0 0 36px
}

.hero-actions {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap
}

.hero .button-secondary {
    background: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-ink)
}

.hero .button-secondary:hover {
    background: var(--color-surface-muted);
    border-color: var(--color-surface-muted);
    color: var(--color-ink)
}

.ghost {
    padding: 12px 4px;
    color: #d8e0e5;
    border-bottom: 1px solid #61717d;
    font-weight: 700
}

.hero-stat {
    justify-self: end;
    border-left: 1px solid #43515d;
    padding-left: 28px
}

.hero-stat strong {
    display: block;
    font-size: 4.5rem;
    line-height: 1;
    color: var(--color-brand-accent);
    letter-spacing: -.06em
}

.hero-stat span {
    display: block;
    color: #a8b5be;
    margin-top: 8px;
    max-width: 170px
}

.strip {
    background: var(--color-brand-accent);
    color: var(--color-ink)
}

/* ==========================================================================
   Form Doğrulama & Geri Bildirim Stilleri
   ========================================================================== */
.form-control.is-invalid {
    border-color: #ef4444 !important;
    background-color: rgba(239, 68, 68, 0.03) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
}

.form-control.is-valid {
    border-color: #10b981 !important;
}

.field-feedback {
    font-size: 0.78rem;
    margin-top: 5px;
    line-height: 1.35;
    display: none;
}

.field-feedback.is-error {
    display: block;
    color: #ef4444;
    font-weight: 600;
}