/* Genel Ayarlar ve Reset */
:root {
    --primary-color: #9DC183;
    /* Fıstık Yeşili */
    --secondary-color: #F5F5DC;
    /* Bej */
    --beige-dark: #E8E8C8;
    /* Koyu Bej Vurgular için */
    --bg-color: #FAFAFA;
    /* Kırık Beyaz */
    --bg-alt: #FDFDF6;
    /* Alternatif Arkaplan (Çok açık bej) */
    --text-color: #333333;
    /* Koyu Gri */
    --text-light: #666666;
    /* Açık Gri */
    --white: #FFFFFF;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--text-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* Background Blobs Animation */
.blob {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background-color: var(--primary-color);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
}

.blob-2 {
    bottom: 10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background-color: var(--secondary-color);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation-delay: -5s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(30px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* Header */
.header {
    padding: 20px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    /* Header height compensator */
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.greeting {
    display: block;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-btn {
    padding: 10px 25px;
    background-color: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.social-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(157, 193, 131, 0.3);
}

/* Hero Right Column (Hakkımda & Yetenekler) */
.hero-right-col {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.about-summary h3 {
    margin-bottom: 20px;
    font-size: 1.8rem;
    color: var(--primary-color);
}

.about-summary p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-color);
}

.skills-summary {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background-color: var(--secondary-color);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Parallax ve Eski Bölümler Kaldırıldı */

/* Sticker Wall Section */
.sticker-wall-section {
    background-color: var(--bg-alt);
    padding-bottom: 100px;
}

/* Laptop Lid Tasarımı - Revize: Kaotik ve Tam Genişlik */
.laptop-lid {
    background: transparent;
    /* Arkaplan kaldırıldı */
    /* border-radius kaldırıldı */
    padding: 100px 20px;
    /* Geniş alan */
    margin: 0;
    width: 100%;
    /* box-shadow ve border kaldırıldı */
    position: relative;
    overflow: hidden;
    /* Taşan stickerları gizle */
}

/* Apple Logo Temsili (Opsiyonel, şimdilik boş) */
.laptop-lid::before {
    /* content: ''; display: block; ... */
}

/* Sticker Wall Layout */
.sticker-wall {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0;
    /* Gap yerine negatif margin kullanacağız */
    max-width: 1400px;
    margin: 0 auto;
}

.sticker {
    position: relative;
    width: 130px;
    /* Biraz daha büyüttük */
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: grab;
    /* Die-cut Effect: Çoklu drop-shadow ile beyaz kontur simülasyonu */
    filter:
        drop-shadow(0 2px 0 #fff) drop-shadow(2px 0 0 #fff) drop-shadow(0 -2px 0 #fff) drop-shadow(-2px 0 0 #fff) drop-shadow(3px 3px 5px rgba(0, 0, 0, 0.5));
}

.sticker img,
.sticker i {
    width: 100%;
    height: 100%;
    object-fit: contain;
    font-size: 100px;
}

/* Beyaz Arkaplanlı Stickerlar Artık Gerekmiyor (Drop-shadow hallediyor) */
.bg-white {
    background: transparent;
    border: none;
    padding: 0;
}

/* Text Sticker Stilleri Kaldırıldı */

/* Kaotik Yerleşim ve Açı Simülasyonu */
/* Sticker Pozisyonları ve Açıları (Daha Kaotik & Belirgin Eğimler) */
.pos-1 {
    transform: rotate(45deg) !important;
    z-index: 5;
    margin-right: -10px;
}

.pos-2 {
    transform: rotate(-45deg) !important;
    margin-left: -40px;
    z-index: 4;
}

.pos-3 {
    transform: rotate(30deg) !important;
    margin-top: -30px;
    z-index: 6;
}

.pos-4 {
    transform: rotate(-38deg) !important;
    margin-left: -20px;
    z-index: 7;
}

.pos-5 {
    transform: rotate(40deg) !important;
    margin-top: -50px;
    z-index: 3;
}

.pos-6 {
    transform: rotate(-42deg) !important;
    margin-left: -50px;
    z-index: 8;
}

.pos-7 {
    transform: rotate(35deg) !important;
    margin-top: -40px;
    z-index: 5;
}

.pos-8 {
    transform: rotate(-30deg) !important;
    margin-left: -30px;
    margin-top: 20px;
    z-index: 6;
}

.pos-9 {
    transform: rotate(45deg) !important;
    z-index: 4;
    margin-left: -15px;
}

.pos-10 {
    transform: rotate(-35deg) !important;
    margin-left: -40px;
    z-index: 7;
}

.pos-11 {
    transform: rotate(38deg) !important;
    margin-top: -30px;
    z-index: 5;
}

.pos-12 {
    transform: rotate(-40deg) !important;
    margin-left: -20px;
    z-index: 6;
}

.pos-13 {
    transform: rotate(35deg) !important;
    margin-top: -60px;
    margin-right: -20px;
    z-index: 11;
}

.pos-14 {
    transform: rotate(-45deg) !important;
    margin-left: -30px;
    z-index: 6;
}

.pos-15 {
    transform: rotate(30deg) !important;
    margin-left: -30px;
    margin-top: 20px;
    z-index: 12;
    width: 90px;
    height: 90px;
}

/* Hover Efekti */
.sticker:hover {
    transform: scale(1.1) rotate(0deg) !important;
    z-index: 100;
    transition-duration: 0.2s;
}


/* Footer Kaldırıldı */

/* Animasyon Sınıfları */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Experience Section (Centered) */
.experience-container {
    max-width: 1200px;
    /* 3 kart yan yana sığsın */
    margin: 0 auto;
}

.experience-col {
    text-align: left;
    /* İçerik sola yaslı kalsın */
}

/* Experience & Projects Section */
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.section-title-small {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
}

/* Timeline Stilleri (Ok / Arrow Tasarım) */
.timeline {
    position: relative;
    padding-top: 20px;
    border-top: none;
    border-left: none;
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 0;
    /* Negatif gap çalışmaz, margin kullanacağız */
    flex-wrap: wrap;
    padding-left: 20px;
    /* Hizalama dengesi için */
}

.timeline-item {
    position: relative;
    width: 320px;
    background: var(--white);
    padding: 30px;
    padding-right: 60px;
    /* Ok ucu payı */
    padding-left: 60px;
    /* Ok kuyruğu girintisi için pay */
    border-radius: 0;

    /* Örtüşme için negatif margin */
    margin-left: -45px;
    /* Mobilde veya wrap durumunda alt alta binerse sorun olmasın diye dikey margin */
    margin-bottom: 30px;
    margin-top: 10px;

    /* Yeşil Border Simülasyonu (Daha Belirgin) */
    box-shadow: none;
    filter: drop-shadow(0 0 2px #9DC183) drop-shadow(0 0 2px #9DC183) drop-shadow(0 5px 10px rgba(0, 0, 0, 0.15));

    border: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Chevron Ok Şekli */
    clip-path: polygon(0% 0%, 85% 0%, 100% 50%, 85% 100%, 0% 100%, 15% 50%);
}

.timeline-item:first-child {
    margin-left: 0;
    /* İlk eleman kaymasın */
}

/* İçerik Düzeltmeleri */
.timeline-item>* {
    transform: none;
}

/* İp Efektleri Yok */
.timeline-item::before,
.timeline-item::after {
    display: none;
}

/* Hover Efekti (Daha Belirgin) */
.timeline-item:hover {
    transform: translateY(-15px) scale(1.1);
    /* Daha yukarı ve daha büyük */
    z-index: 100;
    background-color: #ffffff;
    /* Daha kalın yeşil parlama (Çok güçlü) */
    filter: drop-shadow(0 0 2px #9DC183) drop-shadow(0 0 4px #9DC183) drop-shadow(0 0 8px #9DC183) drop-shadow(0 0 15px #9DC183) drop-shadow(0 20px 40px rgba(0, 0, 0, 0.25));
}

.timeline-item .date {
    display: block;
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.timeline-item .institution {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 10px;
}

.timeline-item .desc {
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Project Cards Stilleri (Kaldırıldı) */

/* Responsive */
/* Responsive Clean-up */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        padding: 40px 0;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.05);
    }

    .nav-links.active {
        left: 0;
    }

    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .social-links {
        justify-content: center;
        margin-bottom: 30px;
    }

    .hero-right-col {
        margin-top: 20px;
        text-align: left;
        /* Hakkımda yazısının okunaklılığı için */
    }

    .skill-tags {
        justify-content: center;
    }
}