/* ========================================
   CSS Variables - Tema Sistemi
======================================== */
:root {
    --bg-overlay: rgba(0, 0, 0, 0.85);
    --text-color: #fff;
    --text-secondary: #b0b0b0;
    --accent-color: #4facfe;
    --nav-bg: rgba(0, 0, 0, 0.8);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-hover-bg: rgba(255, 255, 255, 0.1);
    --triangle-color: #000;
}

body.light-mode {
    --bg-overlay: rgba(255, 255, 255, 0.9);
    --text-color: #1a1a1a;
    --text-secondary: #555;
    --accent-color: #0066cc;
    --nav-bg: rgba(255, 255, 255, 0.9);
    --card-bg: rgba(0, 0, 0, 0.03);
    --card-border: rgba(0, 0, 0, 0.1);
    --card-hover-bg: rgba(0, 0, 0, 0.08);
    --triangle-color: #fff;
}

/* ========================================
   Reset & Base
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    background-image: url('https://images.unsplash.com/photo-1519074069444-1ba4fff66d16?q=80&w=2544&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-color);
    transition: color 0.3s ease;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

input,
textarea,
[contenteditable="true"] {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* ========================================
   Background Overlay
======================================== */
.bg-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    z-index: 0;
    pointer-events: none;
    transition: background 0.3s ease;
}

/* ========================================
   Intro - Giriş Ekranı
======================================== */
#intro-layer {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: all;
    cursor: pointer;
}

.triangle {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--triangle-color);
    transition: transform 1.2s cubic-bezier(0.77, 0, 0.175, 1), background 0.3s ease;
}

.triangle.top {
    clip-path: polygon(0 0, 100% 0, 50% 50%);
    transform-origin: top center;
}

.triangle.bottom {
    clip-path: polygon(0 100%, 100% 100%, 50% 50%);
    transform-origin: bottom center;
}

.triangle.left {
    clip-path: polygon(0 0, 0 100%, 50% 50%);
    transform-origin: left center;
}

.triangle.right {
    clip-path: polygon(100% 0, 100% 100%, 50% 50%);
    transform-origin: right center;
}

body.open #intro-layer {
    pointer-events: none;
}

body.open .triangle.top {
    transform: translateY(-100%);
}

body.open .triangle.bottom {
    transform: translateY(100%);
}

body.open .triangle.left {
    transform: translateX(-100%);
}

body.open .triangle.right {
    transform: translateX(100%);
}

.intro-text-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    text-align: center;
    cursor: pointer;
    transition: opacity 0.5s ease;
}

body.open .intro-text-container {
    opacity: 0;
    pointer-events: none;
}

.intro-text {
    font-family: 'Monoton', cursive;
    font-size: clamp(3rem, 10vw, 6rem);
    color: var(--text-color);
    text-shadow: 0 0 30px rgba(79, 172, 254, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

.click-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* ========================================
   Main Content
======================================== */
.main-content {
    position: relative;
    z-index: 1;
    height: 100vh;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.8s ease 0.3s;
}

body.open .main-content {
    opacity: 1;
}

/* ========================================
   Navigation
======================================== */
nav {
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
    position: relative;
    z-index: 100;
    flex-shrink: 0;
}

nav .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Monoton', cursive;
    font-size: 1.8rem;
    color: var(--text-color);
    cursor: pointer;
    text-shadow: 0 0 10px rgba(79, 172, 254, 0.3);
    transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 0 0 20px var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-links button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.95rem;
    padding: 0.6rem 1rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links button:hover {
    color: var(--text-color);
    background: var(--card-bg);
}

.nav-links button.active {
    color: var(--accent-color);
    font-weight: 600;
}

#theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color);
}

#theme-toggle:hover {
    background: var(--card-hover-bg);
    transform: rotate(15deg);
}

/* ========================================
   Pages Container - 3D Flip System
======================================== */
.pages-container {
    flex: 1;
    position: relative;
    perspective: 1200px;
    overflow: hidden;
}

.page {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform-style: preserve-3d;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* Varsayılan: Aşağıda bekliyor */
.page {
    transform: translateY(100%) rotateX(-90deg);
    transform-origin: center top;
}

/* Aktif sayfa */
.page.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) rotateX(0deg);
}

/* Yukarı çıkmış sayfa */
.page.exit-up {
    transform: translateY(-100%) rotateX(90deg);
    transform-origin: center bottom;
}

/* Aşağı inmiş sayfa (geri giderken) */
.page.exit-down {
    transform: translateY(100%) rotateX(-90deg);
    transform-origin: center top;
}

/* Sayfa içeriği */
.page-inner {
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 0;
}

.page-inner h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.page-inner p {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 0.5rem;
}

.page-inner .sub-text {
    font-size: clamp(0.8rem, 1.5vw, 0.95rem);
    margin-top: 0.3rem;
}

/* ========================================
   Page Indicators
======================================== */
.page-indicators {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 50;
    opacity: 0;
    transition: opacity 0.5s ease;
}

body.open .page-indicators {
    opacity: 1;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--card-border);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator:hover {
    background: var(--text-secondary);
    transform: scale(1.3);
}

.indicator.active {
    background: var(--accent-color);
    transform: scale(1.4);
    box-shadow: 0 0 15px var(--accent-color);
}

/* ========================================
   Projects Section
======================================== */
.projects-page {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
}

.projects-page h1 {
    margin-bottom: 1rem;
}

.projects-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    height: 380px;
    flex-shrink: 0;
    perspective: 1000px;
}

.project-slide {
    position: absolute;
    width: calc(100% - 140px);
    height: 100%;
    display: flex;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transform: rotateY(90deg) scale(0.8);
    transform-style: preserve-3d;
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-slide.active {
    opacity: 1;
    visibility: visible;
    transform: rotateY(0deg) scale(1);
}

.project-slide.exit-left {
    opacity: 0;
    visibility: visible;
    transform: rotateY(-90deg) scale(0.8);
}

.project-slide.exit-right {
    opacity: 0;
    visibility: visible;
    transform: rotateY(90deg) scale(0.8);
}

.project-gallery-container {
    flex: 1.2;
    position: relative;
    background: #000;
    overflow: hidden;
}

.gallery-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.gallery-slide.active {
    opacity: 1;
}

.gallery-nav {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
}

.gallery-btn {
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.gallery-btn:hover {
    background: var(--accent-color);
}

.project-info {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
    border-left: 1px solid var(--card-border);
}

.project-info h2 {
    font-family: 'Monoton', cursive;
    font-size: 1.6rem;
    font-weight: normal;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: rgba(79, 172, 254, 0.15);
    color: var(--accent-color);
    padding: 0.3rem 0.7rem;
    border-radius: 20px;
    font-size: 0.75rem;
    border: 1px solid rgba(79, 172, 254, 0.2);
}

.project-info p {
    font-size: 0.9rem;
    text-align: left;
    margin: 0;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 10;
    transition: all 0.3s ease;
}

.slider-nav:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.slider-nav.prev {
    left: -70px;
}

.slider-nav.next {
    right: -70px;
}

.desktop-only {
    display: flex;
}

.slider-buttons-mobile {
    display: none;
}

/* ========================================
   Social Page
======================================== */
.social-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
}

.social-page h1 {
    margin-bottom: 0.3rem;
}

.social-page>p {
    margin-bottom: 1rem;
}

/* ========================================
   Social Grid
======================================== */
.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.8rem;
    max-width: 700px;
    width: 100%;
    margin: 0 auto;
}

.social-card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    height: clamp(80px, 12vh, 120px);
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    overflow: hidden;
    transition: all 0.4s ease;
}

.social-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
}

.default-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    transition: opacity 0.3s ease;
}

.default-content i,
.default-content svg {
    font-size: 2rem;
}

.default-content span {
    font-weight: 600;
    font-size: 0.9rem;
}

.hover-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-card:hover .default-content {
    opacity: 0;
}

.social-card:hover .hover-content {
    opacity: 1;
}

.profile-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-placeholder i {
    font-size: 1.3rem;
    color: #fff;
}

.username {
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
}

/* Social Card Colors */
.social-card.instagram:hover {
    background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
    color: #fff;
}

.social-card.youtube:hover {
    background: linear-gradient(135deg, #ff0000, #cc0000);
    color: #fff;
}

.social-card.github:hover {
    background: linear-gradient(135deg, #333, #111);
    color: #fff;
}

.social-card.discord:hover {
    background: linear-gradient(135deg, #5865f2, #4752c4);
    color: #fff;
}

.social-card.kick:hover {
    background: linear-gradient(135deg, #53fc18, #3cba0f);
    color: #000;
}

.social-card.kick:hover .username {
    color: #000;
}

.social-card.twitch:hover {
    background: linear-gradient(135deg, #9146ff, #6441a5);
    color: #fff;
}

.social-card.steam:hover {
    background: linear-gradient(135deg, #1b2838, #66c0f4);
    color: #fff;
}

/* ========================================
   Animations
======================================== */
@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.03);
    }
}

/* ========================================
   Responsive
======================================== */

/* Tablet */
@media (max-width: 1024px) {
    .project-slide {
        width: calc(100% - 100px);
    }

    .slider-nav.prev {
        left: -50px;
    }

    .slider-nav.next {
        right: -50px;
    }
}

@media (max-width: 900px) {
    .page {
        padding: 1rem;
    }

    .page-inner h1 {
        font-size: clamp(1.3rem, 4vw, 2rem);
        margin-bottom: 0.8rem;
    }

    .page-inner p {
        font-size: clamp(0.85rem, 2vw, 1rem);
    }

    .projects-wrapper {
        perspective: none;
        height: 350px;
    }

    .project-slide {
        flex-direction: column;
        width: calc(100% - 100px);
    }

    .project-gallery-container {
        height: 180px;
        min-height: 150px;
        max-height: 200px;
        flex-shrink: 0;
    }

    .project-info {
        border-left: none;
        border-top: 1px solid var(--card-border);
        padding: 1rem;
        flex: 1;
        min-height: 0;
        overflow: hidden;
    }

    .project-info h2 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }

    .project-info p {
        font-size: 0.8rem;
        line-height: 1.4;
    }

    .project-tags {
        margin-bottom: 0.5rem;
    }

    .tag {
        font-size: 0.65rem;
        padding: 0.2rem 0.5rem;
    }

    .slider-nav.prev {
        left: -50px;
    }

    .slider-nav.next {
        right: -50px;
    }

    .slider-nav {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    .page-indicators {
        right: 1rem;
    }
}

/* Mobil */
@media (max-width: 768px) {
    nav {
        padding: 0.5rem 0;
    }

    nav .container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .logo {
        font-size: 1.4rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.3rem;
    }

    .nav-links button {
        font-size: 0.75rem;
        padding: 0.4rem 0.6rem;
    }

    #theme-toggle {
        width: 32px;
        height: 32px;
    }

    .page-indicators {
        display: none;
    }

    .page {
        padding: 0.8rem;
    }

    .page-inner h1 {
        font-size: clamp(1.2rem, 5vw, 1.5rem);
        margin-bottom: 0.5rem;
    }

    .page-inner p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .page-inner .sub-text {
        font-size: 0.8rem;
        margin-top: 0.5rem;
    }

    /* Projects Mobile */
    .projects-page {
        justify-content: center;
        padding-top: 0;
    }

    .projects-page h1 {
        margin-bottom: 1rem;
    }

    .projects-wrapper {
        touch-action: pan-x;
        width: 100%;
        max-width: 400px;
    }

    .project-slide {
        position: relative;
        width: 100%;
        display: none;
        flex-direction: column;
        transform: none !important;
        opacity: 1;
        visibility: visible;
        border-radius: 12px;
    }

    .project-slide.active {
        display: flex;
        transform: none !important;
    }

    .project-slide.exit-left,
    .project-slide.exit-right {
        display: none;
    }

    .project-gallery-container {
        height: 200px;
        min-height: 180px;
        flex-shrink: 0;
    }

    .project-info {
        padding: 1rem;
        flex: none;
    }

    .project-info h2 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }

    .project-tags {
        margin-bottom: 0.6rem;
    }

    .tag {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }

    .project-info p {
        font-size: 0.8rem;
        line-height: 1.5;
    }

    .slider-nav.prev,
    .slider-nav.next {
        display: none;
    }

    .slider-nav.prev.desktop-only,
    .slider-nav.next.desktop-only {
        display: none;
    }

    .slider-buttons-mobile {
        display: flex;
        justify-content: center;
        gap: 1.5rem;
        margin-top: 1rem;
        flex-shrink: 0;
    }

    .slider-buttons-mobile .slider-nav {
        display: flex;
        position: static;
        transform: none;
        width: 44px;
        height: 44px;
    }

    /* Social Mobile */
    .social-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.6rem;
        margin-top: 0.8rem;
    }

    .social-card {
        height: clamp(70px, 10vh, 100px);
        border-radius: 10px;
    }

    .default-content i,
    .default-content svg {
        font-size: 1.5rem;
    }

    .default-content span {
        font-size: 0.75rem;
    }

    .profile-placeholder {
        width: 35px;
        height: 35px;
    }

    .profile-placeholder i {
        font-size: 1rem;
    }

    .username {
        font-size: 0.7rem;
    }
}

/* Küçük Mobil */
@media (max-width: 480px) {
    .page {
        padding: 0.6rem;
    }

    .page-inner h1 {
        font-size: 1.1rem;
    }

    .page-inner p {
        font-size: 0.8rem;
    }

    .project-gallery-container {
        height: 120px;
        min-height: 100px;
    }

    .project-info {
        padding: 0.6rem;
    }

    .project-info h2 {
        font-size: 0.9rem;
    }

    .project-tags {
        gap: 0.3rem;
    }

    .tag {
        font-size: 0.6rem;
        padding: 0.15rem 0.4rem;
    }

    .project-info p {
        font-size: 0.7rem;
    }

    .social-card {
        height: clamp(60px, 9vh, 80px);
    }

    .default-content i {
        font-size: 1.2rem;
    }

    .default-content span {
        font-size: 0.65rem;
    }
}

/* Çok Küçük Ekranlar / Landscape Mobil */
@media (max-height: 500px) {
    nav {
        padding: 0.3rem 0;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav-links button {
        font-size: 0.7rem;
        padding: 0.3rem 0.5rem;
    }

    .page {
        padding: 0.5rem;
    }

    .page-inner h1 {
        font-size: 1rem;
        margin-bottom: 0.3rem;
    }

    .page-inner p {
        font-size: 0.75rem;
    }

    .projects-page h1 {
        margin-bottom: 0.3rem;
    }

    .project-gallery-container {
        height: 80px;
        min-height: 60px;
    }

    .project-info {
        padding: 0.5rem;
    }

    .project-info h2 {
        font-size: 0.85rem;
        margin-bottom: 0.3rem;
    }

    .project-tags {
        margin-bottom: 0.3rem;
    }

    .project-info p {
        font-size: 0.65rem;
    }

    .slider-buttons-mobile {
        margin-top: 0.5rem;
    }

    .slider-buttons-mobile .slider-nav {
        width: 30px;
        height: 30px;
    }

    .social-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
        margin-top: 0.5rem;
    }

    .social-card {
        height: clamp(50px, 15vh, 70px);
    }

    .default-content i {
        font-size: 1rem;
    }

    .default-content span {
        font-size: 0.55rem;
    }
}