/* ============================================================
   KURUMSAL CMS - ANA STİL DOSYASI
   ============================================================
   Bu dosya tema-bağımsız temel stilleri içerir.
   Renkler ve tipografi tema dosyalarından gelir.
   ============================================================ */

/* ---------- RESET & BASE ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Tipografi */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--heading-weight);
    line-height: 1.2;
    color: var(--color-heading);
    margin: 0 0 var(--space-md);
    letter-spacing: var(--heading-letter-spacing);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.15rem; }
h6 { font-size: 1rem; }

p {
    margin: 0 0 var(--space-md);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
}

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

/* ---------- LAYOUT YAPISI ---------- */
.container-x {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section--alt {
    background-color: var(--color-surface);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-header__eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid var(--color-accent);
}

.section-header__title {
    margin-bottom: var(--space-sm);
}

.section-header__subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin: 0;
}

/* ---------- BUTONLAR ---------- */
.btn-x {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.05em;
    border: 2px solid transparent;
    border-radius: var(--btn-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-x--primary {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    border-color: var(--color-primary);
}

.btn-x--primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: var(--color-on-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-x--accent {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
    border-color: var(--color-accent);
}

.btn-x--accent:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-on-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-x--ghost {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-x--ghost:hover {
    background-color: var(--color-text);
    color: var(--color-background);
    border-color: var(--color-text);
}

.btn-x--lg {
    padding: 1.125rem 2.5rem;
    font-size: 1rem;
}

/* ---------- NAVBAR ---------- */
.navbar-x {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--navbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--navbar-border);
    transition: all var(--transition-base);
}

.navbar-x.scrolled {
    background-color: var(--navbar-bg-scrolled);
    box-shadow: var(--shadow-md);
}

.navbar-x__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--navbar-height);
    gap: var(--space-md);
}

.navbar-x__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    letter-spacing: -0.02em;
}

.navbar-x__brand img {
    height: 40px;
    width: auto;
}

.navbar-x__menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.navbar-x__link {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--btn-radius);
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-x__link::after {
    content: '';
    position: absolute;
    bottom: 0.4rem;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.navbar-x__link:hover,
.navbar-x__link.active {
    color: var(--color-accent);
}

.navbar-x__link:hover::after,
.navbar-x__link.active::after {
    width: calc(100% - 2.5rem);
}

/* ============ DROPDOWN MENÜ ============ */
.navbar-x__item {
    position: relative;
}
.navbar-x__item.has-dropdown > .navbar-x__link {
    cursor: pointer;
}
.navbar-x__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-lg);
    list-style: none;
    padding: 0.5rem;
    margin: 0;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}
.navbar-x__item.has-dropdown:hover > .navbar-x__dropdown,
.navbar-x__item.has-dropdown:focus-within > .navbar-x__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.navbar-x__dropdown .navbar-x__link {
    padding: 0.5rem 0.875rem;
    font-size: 0.9rem;
    white-space: nowrap;
}
.navbar-x__dropdown .navbar-x__link::after {
    display: none;
}
.navbar-x__dropdown .navbar-x__link:hover {
    background: var(--color-surface);
}
.navbar-x__dropdown .navbar-x__item.has-dropdown > .navbar-x__dropdown {
    /* Üçüncü seviye - sağa açılır */
    top: 0;
    left: 100%;
    margin-left: 0.25rem;
}

[dir="rtl"] .navbar-x__dropdown {
    left: auto;
    right: 0;
}
[dir="rtl"] .navbar-x__dropdown .navbar-x__item.has-dropdown > .navbar-x__dropdown {
    left: auto;
    right: 100%;
}

/* Mobil: dropdown'lar tıklayınca açılır */
@media (max-width: 992px) {
    .navbar-x__item.has-dropdown > .navbar-x__link::after {
        display: none;
    }
    .navbar-x__dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 1.5rem;
        background: transparent;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
    }
    .navbar-x__item.has-dropdown.open > .navbar-x__dropdown {
        max-height: 800px;
    }
}

.navbar-x__right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Dil Seçici */
.lang-switcher {
    position: relative;
}

.lang-switcher__toggle {
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    padding: 0.5rem 0.875rem;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.lang-switcher__toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.lang-switcher__menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 180px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 100;
}

.lang-switcher.open .lang-switcher__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-switcher__item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 0.875rem;
    color: var(--color-text);
    border-radius: calc(var(--card-radius) - 4px);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.lang-switcher__item:hover {
    background-color: var(--color-surface);
    color: var(--color-accent);
}

.lang-switcher__item.active {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
}

/* Mobile Toggle */
.navbar-x__toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-text);
}

.navbar-x__toggle svg {
    width: 28px;
    height: 28px;
}

/* ---------- HERO / SLIDER ---------- */
.hero-x {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: var(--navbar-height);
    background: var(--hero-bg);
}

.hero-x__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.15;
    background-image:
        radial-gradient(circle at 20% 30%, var(--color-accent) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, var(--color-primary) 0%, transparent 50%);
}

.hero-x__pattern {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.08;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-x__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: var(--space-2xl) 0;
}

.hero-x__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-accent);
    border-radius: 100px;
}

.hero-x__title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.05;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
}

.hero-x__title .accent {
    color: var(--color-accent);
    font-style: italic;
}

.hero-x__subtitle {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 600px;
}

.hero-x__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* Slider indicator */
.hero-x__indicators {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.625rem;
    z-index: 5;
}

.hero-x__indicator {
    width: 40px;
    height: 4px;
    background-color: var(--color-border);
    border: none;
    cursor: pointer;
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hero-x__indicator.active {
    background-color: var(--color-accent);
    width: 60px;
}

/* ---------- CARDS ---------- */
.card-x {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    padding: var(--space-lg);
    transition: all var(--transition-base);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.card-x:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.card-x__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--color-accent-soft);
    color: var(--color-accent);
    border-radius: var(--card-radius);
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
}

.card-x:hover .card-x__icon {
    background-color: var(--color-accent);
    color: var(--color-on-accent);
    transform: scale(1.05) rotate(-5deg);
}

.card-x__title {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
}

.card-x__desc {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.card-x__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.95rem;
    transition: gap var(--transition-fast);
}

.card-x__link:hover {
    gap: 0.875rem;
    color: var(--color-accent-hover);
}

/* Project Card */
.project-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--card-radius);
    aspect-ratio: 4/5;
    background-color: var(--color-surface);
    cursor: pointer;
}

.project-card__image {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    background-size: cover;
    background-position: center;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card__image {
    transform: scale(1.08);
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    color: #fff;
}

.project-card__category {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.project-card__title {
    color: #fff;
    margin: 0 0 0.5rem;
    font-size: 1.4rem;
}

.project-card__desc {
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
    margin: 0;
}

/* ---------- FOOTER ---------- */
.footer-x {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: var(--space-2xl) 0 var(--space-md);
    margin-top: var(--space-2xl);
}

.footer-x h5 {
    color: var(--footer-heading);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.footer-x a {
    color: var(--footer-text);
    transition: color var(--transition-fast);
}

.footer-x a:hover {
    color: var(--color-accent);
}

.footer-x__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-x__list li {
    margin-bottom: 0.625rem;
    font-size: 0.95rem;
}

.footer-x__social {
    display: flex;
    gap: 0.75rem;
    margin-top: var(--space-md);
}

.footer-x__social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--footer-border);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.footer-x__social a:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-on-accent);
    transform: translateY(-3px);
}

.footer-x__bottom {
    border-top: 1px solid var(--footer-border);
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    text-align: center;
    font-size: 0.875rem;
    color: var(--footer-text-muted);
}

/* ---------- PAGE HEADER ---------- */
.page-header {
    position: relative;
    padding: calc(var(--navbar-height) + var(--space-2xl)) 0 var(--space-2xl);
    background: var(--page-header-bg);
    color: var(--page-header-text);
    text-align: center;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 30% 50%, var(--color-accent) 0%, transparent 40%),
        radial-gradient(circle at 70% 50%, var(--color-primary) 0%, transparent 40%);
    opacity: 0.2;
    z-index: 1;
}

.page-header__content {
    position: relative;
    z-index: 2;
}

.page-header__title {
    color: var(--page-header-text);
    margin-bottom: 0.5rem;
}

.page-header__subtitle {
    font-size: 1.1rem;
    color: var(--page-header-text);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

.page-header__breadcrumb {
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
    margin-top: var(--space-md);
    font-size: 0.9rem;
    color: var(--page-header-text);
    opacity: 0.75;
}

.page-header__breadcrumb a {
    color: var(--page-header-text);
}

/* ---------- FORMS ---------- */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.form-control-x {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-background);
    border: 1.5px solid var(--color-border);
    border-radius: var(--btn-radius);
    transition: all var(--transition-fast);
}

.form-control-x:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-soft);
}

textarea.form-control-x {
    resize: vertical;
    min-height: 140px;
}

/* ---------- CONTACT INFO ---------- */
.contact-info-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-info-item__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: var(--color-accent-soft);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-info-item__label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
}

.contact-info-item__value {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ---------- ANIMASYONLAR ---------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- RTL DESTEĞİ ---------- */
[dir="rtl"] .hero-x__content {
    text-align: right;
}

[dir="rtl"] .card-x__link:hover {
    gap: 0.875rem;
}

[dir="rtl"] .navbar-x__link::after {
    transform: translateX(50%);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 992px) {
    .navbar-x__toggle {
        display: block;
    }

    .navbar-x__menu {
        position: fixed;
        top: var(--navbar-height);
        right: 0;
        left: 0;
        background-color: var(--color-background);
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
        border-top: 1px solid var(--color-border);
        gap: 0.5rem;
    }

    .navbar-x__menu.open {
        max-height: calc(100vh - var(--navbar-height));
        overflow-y: auto;
    }

    .navbar-x__link {
        padding: 1rem;
        font-size: 1.05rem;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem;
        --space-2xl: 2.5rem;
    }

    .hero-x {
        min-height: 80vh;
    }

    .hero-x__cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-x {
        justify-content: center;
    }
}

/* ---------- UTILITIES ---------- */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-md { gap: var(--space-md); }
.w-100 { width: 100%; }