:root {
    --bg-dark: #0a0a0a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --accent: #d4d4d8;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --font-main: 'Manrope', sans-serif;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Arka Plandaki Hareketli Balon Efektleri */
.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    top: -200px;
    right: -200px;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: rgba(100, 100, 255, 0.05);
    bottom: -100px;
    left: -100px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: initial; /* GSAP pürüzsüz kaydırma için burası initial kalmalı */
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Kumlanmış (Noise) Arka Plan Dokusu */
#noise-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://grainy-gradients.vercel.app/noise.svg');
    opacity: 0.05;
    pointer-events: none;
    z-index: 50;
    mix-blend-mode: overlay;
}

/* Cam Efekti (Glassmorphism) Tasarımı */
.glass {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Genel Yerleşim */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    height: 90px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999; /* Navigasyonun her zaman en üstte kalması için */
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

header.scrolled {
    height: 70px;
    background: rgba(0, 0, 0, 0.98);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -2px;
    text-transform: uppercase;
}

/* Hero (Giriş) Bölümü */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 120px 1rem 60px 1rem; /* Üst padding artırıldı */
}

.hero-content {
    z-index: 2;
    max-width: 1000px;
}

.hero h1 {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 2rem;
    letter-spacing: -2px;
}

.hero p {
    color: var(--text-secondary);
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    max-width: 650px;
    margin: 0 auto 3rem auto;
}

/* Projeler Izgarası */
.projects-section {
    padding: 120px 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 3rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 2rem;
}

.project-card {
    position: relative;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    z-index: 2;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 3D Detay Sayfası */
.detail-view {
    padding-top: 100px;
    min-height: 100vh;
}

.model-container {
    height: 60vh;
    border-radius: 30px;
    margin-bottom: 3rem;
    overflow: hidden;
    position: relative;
}

.project-details {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.meta-item {
    margin-bottom: 2rem;
}

.meta-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.5rem;
}

/* Animasyonlar */
.fade-in {
    /* GSAP için işaretçi sınıf */
}

/* Buton Tasarımları */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: white;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: white;
    color: black;
}

.lang-btn {
    opacity: 0.5;
    transition: var(--transition);
}

.lang-btn.active {
    opacity: 1;
    font-weight: 800;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -2px;
    text-transform: uppercase;
    color: white !important;
}

.nav-link {
    color: white !important;
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Form Elemanları */
input:focus, textarea:focus {
    outline: none;
    border-color: rgba(255,255,255,0.4) !important;
    background: rgba(255,255,255,0.08) !important;
}

input, textarea {
    transition: var(--transition);
}