/* Reset & Base Styles */
::-webkit-scrollbar {
    width: 5px;
    background-color: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-gray-text);
    border-radius: 5px;
    border: 2px solid var(--color-bg);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-bg-dark);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    cursor: none !important;
    /* Tarayıcının h1, p gibi metinler üzerinde gösterdiği seçme I-beam okunu tamamen yok ediyoruz ki kendi noktamız gözüksün */
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    cursor: none;
    /* Sayfa geneli normal oku gizler */
}

html {
    cursor: none;
}

/* Tüm tıklanabilir ögelerde varsayılan el (pointer) ikonunu da gizleyelim */
a,
button,
input,
textarea,
.nav-line,
.port-slide {
    cursor: none !important;
}

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

a:not(.project-link-item):not(.grid-item):not(.featured-link):hover {
    opacity: 0.7;
}

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border: 2px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    font-family: var(--font-secondary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-align: center;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

/* Sections General */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    margin-bottom: var(--spacing-md);
    color: var(--color-bg-dark);
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-regular);
    letter-spacing: 2px;
    text-align: center;
    text-transform: uppercase;
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    color: var(--color-bg-dark);
    font-family: var(--font-secondary);
    font-size: var(--font-size-sm);
    text-align: center;
}

/* Header */
header {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: var(--header-height);
    padding: 0 var(--spacing-md);
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

/* Logo */
.logo-container {
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-u {
    display: inline-block;
    width: 24px;
    /* Ursa logosu için kutuların genişliği */
    height: 24px;
    background-color: transparent;
    /* Yukarıdan açık kalın bir U harfi çiziyoruz */
    border: 8px solid var(--color-text-light);
    border-top: none;
    /* U harfi için oyuk DİKEYDE yani tepede olacak */
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
    box-sizing: border-box;
    color: transparent;
    font-size: 0;
    transform: rotate(90deg);
    /* 90 derece sağa yatırarak kavisli C harfine dönüşmesini sağlıyoruz */
}

.logo-square {
    display: inline-block;
    width: 24px;
    height: 24px;
    background-color: var(--color-text-light);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links li a {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-family: var(--font-secondary);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Header Responsive / Mobile Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 2001;
    /* Above mobile menu overlay */
}

.burger-line {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-dark);
    /* Full black bg */
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
}

.mobile-nav-links li a {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
    font-family: var(--font-secondary);
    /* Stylish font */
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
        /* Hide standard nav */
    }

    .burger-menu {
        display: flex;
        /* Show burger */
    }

    /* Burger Animation when active */
    .burger-menu.active .burger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .burger-menu.active .burger-line:nth-child(2) {
        opacity: 0;
    }

    .burger-menu.active .burger-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -8px);
    }

    /* Mobile Buttons */
    .btn {
        padding: 12px 20px;
        /* Reduced padding */
        font-size: var(--font-size-xs);
        /* Larger font as requested */
        min-width: 280px;
        /* Standardize width for tablet */
        display: inline-flex;
        /* Ensure centered alignment */
        justify-content: center;
        align-items: center;
    }

    /* Convert Country Dropdown to Modal on Tablet/Mobile */
    .iti__country-list {
        position: fixed !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%);
        width: 85% !important;
        max-width: 400px !important;
        max-height: 60vh !important;
        overflow-y: auto !important;
        z-index: 9999 !important;
        border-radius: 12px !important;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5) !important;
        margin: 0 !important;
        border: 1px solid var(--color-border) !important;
    }
}

/* Mobile Phones Only (Full Width Buttons) */
@media (max-width: 600px) {
    .btn {
        width: 100%;
        /* Full width on mobile only */
    }
}

/* Footer / Order Form */
.footer-section {
    padding: var(--spacing-xl) 0;
}

.order-form-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.form-input {
    width: 100%;
    padding: 15px 0;
    border: none;
    border-bottom: 1px solid var(--color-border-input);
    background-color: transparent;
    /* Textarea vs için arkaplan gri kalmasını engeller */
    outline: none;
    font-family: var(--font-secondary);
    font-size: var(--font-size-md);
    transition: border-color var(--transition-fast);
}

textarea.form-input {
    resize: vertical;
    /* Sadece aşağı doğru büyütülebilir */
    min-height: 80px;
}

.form-input:focus {
    border-color: var(--color-text-dark);
}

.form-submit-container {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* Phone Input Adjustments */
.iti {
    width: 100%;
    margin-bottom: 20px;
}

.iti__flag-container {
    left: auto !important;
    right: 0 !important;
    border: none !important;
    background-color: transparent !important;
}

.iti__selected-flag {
    background-color: transparent !important;
}

.iti__selected-dial-code {
    color: var(--color-text-dark);
    font-family: var(--font-secondary) !important;
    font-size: var(--font-size-md) !important;
}

.iti__country-list {
    font-family: var(--font-secondary) !important;
    font-size: var(--font-size-sm) !important;
}

.iti input.form-input {
    padding-left: 0 !important;
    padding-right: 90px !important;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border-subtle);
    color: var(--color-gray-text);
    font-family: var(--font-secondary);
    font-size: var(--font-size-xxs);
}

/* Desktop Only Overrides */
@media (min-width: 769px) {
    .footer-bottom {
        font-size: var(--font-size-xs);
        /* Restore 14px on desktop/tablet */
    }
}

/* =========================================
   PRELOADER (YÜKLEME EKRANI) - GLOBAL (MOBIL İÇİN)
========================================= */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-pure-dark);
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 1s cubic-bezier(0.86, 0, 0.07, 1);
    transform-origin: top;
}

#preloader.preloader-hidden {
    transform: translateY(-100%);
}

.preloader-content {
    overflow: hidden;
    padding: 10px;
    text-align: center;
    /* Metni merkeze al */
}

.preloader-text {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-text-light);
    letter-spacing: 12px;
    text-transform: uppercase;
    display: block;
    margin-right: -12px;
    /* Fazladan atılan letter-spacing boşluğunu sıfırlar ve tam ortalar */
    transform: translateY(100%);
    animation: textReveal 1s cubic-bezier(0.77, 0, 0.175, 1) forwards;
    animation-delay: 0.2s;
}

@keyframes textReveal {
    0% {
        transform: translateY(100%);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translateY(0%);
        opacity: 1;
    }
}

/* Desktop Only Overrides (Devamı) */
@media (min-width: 769px) {

    /* Preloader global alana taşındığı için siliyoruz */

    /* =========================================
   CUSTOM CURSOR (ÖZEL İMLEÇ) 
========================================= */
    .custom-cursor {
        position: fixed;
        top: 0;
        left: 0;
        width: 40px;
        height: 40px;
        border: 1px solid rgba(0, 0, 0, 0.4);
        border-radius: 50%;
        pointer-events: none;
        z-index: 999999;
        /* Butonların (9999) üstünde kalması için on katına çıkarıldı */
        transform: translate(-50%, -50%);
        transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease, border 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        /* İlk harekete kadar gizli */
    }

    .cursor-dot {
        position: fixed;
        top: 0;
        left: 0;
        width: 6px;
        height: 6px;
        background-color: var(--color-bg-dark);
        /* Açık Sayfada Koyu İmleç */
        border-radius: 50%;
        pointer-events: none;
        z-index: 1000000;
        /* Dot en üstte kalmalı */
        transform: translate(-50%, -50%);
        transition: opacity 0.3s ease;
        opacity: 0;
        /* İlk harekete kadar gizli */
    }

    /* Koyu Temalı Sayfalar İçin Fare İmlecini Ters Çevir (Beyaz Yap) */
    body.private-projects-page .cursor-dot {
        background-color: var(--color-bg);
        /* Koyu Sayfada Açık İmleç */
    }

    body.private-projects-page .custom-cursor {
        border-color: rgba(255, 255, 255, 0.4);
    }

    /* Eğer sayfa Beyaz Temalı "Project Detail" sayfası ise, tekrar koyu imlece döndür */
    body.project-detail-page .cursor-dot {
        background-color: var(--color-bg-dark);
    }

    body.project-detail-page .custom-cursor {
        border-color: rgba(0, 0, 0, 0.4);
    }

    .custom-cursor .cursor-text {
        font-family: var(--font-secondary);
        font-weight: 600;
        font-size: 10px;
        color: #fff;
        letter-spacing: 2px;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    /* Hover Etkileşimleri */
    .custom-cursor.hover-link {
        width: 60px;
        height: 60px;
        border-color: rgba(0, 0, 0, 0.1);
        background-color: rgba(0, 0, 0, 0.05);
        backdrop-filter: blur(2px);
    }

    .custom-cursor.hover-view {
        width: 80px;
        height: 80px;
        background-color: var(--color-bg-dark);
        border: none;
        mix-blend-mode: normal;
    }

    .custom-cursor.hover-view .cursor-text {
        opacity: 1;
    }

    /* Script.js Tarafından Fare Oynatıldığında Basılan Class (Opacity Kontrolü) */
    body.cursor-visible .custom-cursor,
    body.cursor-visible .cursor-dot {
        opacity: 1;
    }

    body.cursor-visible.cursor-hovering .cursor-dot {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }

    @media (max-width: 1024px) {

        .custom-cursor,
        .cursor-dot {
            display: none !important;
        }

        /* Orijinal cursor geri gelsin */
        * {
            cursor: auto !important;
        }
    }
}

/* =========================================
   HEADER HOVER: BEYAZ İMLEÇ EFEKTİ (GLOBAL)
========================================= */
body.index-header-hover .cursor-dot {
    background-color: var(--color-bg) !important;
}

body.index-header-hover .custom-cursor {
    border-color: rgba(246, 240, 233, 0.5) !important;
}

body.index-header-hover .custom-cursor.hover-link {
    background-color: rgba(246, 240, 233, 0.1) !important;
}

/* Koyu Bölümlerde VIEW Yuvarlağının Kontrastı */
body.index-header-hover .custom-cursor.hover-view {
    background-color: var(--color-bg) !important;
}

body.index-header-hover .custom-cursor.hover-view .cursor-text {
    color: var(--color-bg-dark) !important;
}

/* =========================================
   LENIS SMOOTH SCROLL CORE STYLES
========================================= */
html.lenis,
html.lenis body {
    height: auto;
}

/* =========================================
   UX: YUKARI ÇIK (BACK TO TOP) BUTONU
========================================= */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: auto;
    padding: 0 24px;
    height: 50px;
    background-color: var(--color-bg-dark);
    color: var(--color-bg);
    /* Geçersiz bg-light değişkeni nedeniyle görünmüyordu, bg olarak düzeltildi */
    border: none;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-secondary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-black);
    transform: translateY(-5px);
}

.dark-mode .back-to-top {
    background-color: var(--color-bg);
    color: var(--color-bg-dark);
}

.dark-mode .back-to-top:hover {
    background-color: #e0e0e0;
}

/* Mobile size for Back To Top Button */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        height: 36px;
        padding: 0 14px;
        font-size: 11px;
    }
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

.lenis.lenis-smooth iframe {
    pointer-events: none;
}