:root {
    --dark-bg: #05050A;
    --card-bg: rgba(18, 18, 28, 0.6);
    --primary-gold: #D4AF37;
    --light-gold: #FCE181;
    --light-text: #F0F0F0;
    --border-color: rgba(212, 175, 55, 0.2);
    --button-bg: #141423;

    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);

    --neon-orange: #FF5722;
    --neon-yellow: #FFDF00;
    --neon-blue: #00D8FF;
    --neon-green: #68A063;
    --neon-python: #3776AB;
    --neon-purple: #9c27b0;
}

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

img {
    -webkit-user-drag: none;
    user-drag: none;
    user-select: none;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#starfield-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0.9;
}

.glass-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.04) 0%, rgba(5, 5, 10, 0.85) 100%);
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Language Toggle Rules */
.lang-tr { display: none !important; }
.lang-en { display: inline !important; }
.show-tr .lang-tr { display: inline !important; }
.show-tr .lang-en { display: none !important; }
.show-en .lang-tr { display: none !important; }
.show-en .lang-en { display: inline !important; }

/* Typography & Helpers */
.gradient-text {
    background: linear-gradient(135deg, var(--light-gold), var(--primary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glow-text {
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.premium-border {
    border: 1px solid var(--border-color);
}

.hover-lift:hover {
    transform: translateY(-6px);
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 12px 40px rgba(212, 175, 55, 0.15);
}

/* Header & Navbar */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 5, 10, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    max-width: 1300px;
    margin: 0 auto;
    min-height: 64px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.header-logo-image {
    height: 44px;
    width: auto;
    object-fit: contain;
    margin: 0;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.6));
    transition: height 0.3s ease;
}

.header-logo-text {
    font-size: 1.4em;
    font-weight: 800;
    letter-spacing: 0.8px;
    white-space: nowrap;
    transition: font-size 0.3s ease;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 20px;
}

.nav-links li {
    flex-shrink: 0;
}

.nav-links a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95em;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap !important;
}

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

.lang-btn {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--border-color);
    color: var(--light-gold);
    padding: 6px 14px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85em;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.menu-toggle {
    display: none;
    font-size: 1.5em;
    color: var(--light-gold);
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding-top: 140px;
    padding-bottom: 60px;
    text-align: center;
}

.hero-avatar {
    width: 140px;
    height: 140px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: #12121e;
    border: 2px solid rgba(212, 175, 55, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.25);
}

.hero-avatar img {
    width: 75%;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(212, 175, 55, 0.5));
}

.mega-title {
    font-size: 3.5em;
    font-weight: 800;
    margin-bottom: 10px;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.25em;
    color: rgba(240, 240, 240, 0.85);
    max-width: 700px;
    margin: 0 auto 30px;
    font-weight: 400;
}

/* Category Grid (Pillars) */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 60px;
}

.category-card {
    padding: 35px 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.category-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2em;
    color: var(--light-gold);
    margin-bottom: 20px;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
}

.category-card h3 {
    font-size: 1.7em;
    margin-bottom: 12px;
    color: #FFF;
}

.category-card p {
    font-size: 0.95em;
    color: rgba(240, 240, 240, 0.7);
    margin-bottom: 25px;
}

/* Buttons */
.link-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95em;
    transition: all 0.3s ease;
    cursor: pointer;
}

.link-button.solid {
    background: linear-gradient(135deg, var(--light-gold), var(--primary-gold));
    color: #05050A;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.link-button.solid:hover {
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.6);
    transform: translateY(-2px);
}

.link-button.outline {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--light-gold);
}

.link-button.outline:hover {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--primary-gold);
    color: #FFF;
}

.link-button.beta-button {
    background: linear-gradient(135deg, #FF007A, #7928CA);
    color: #FFFFFF;
    border: 1px solid rgba(255, 0, 122, 0.5);
    box-shadow: 0 4px 18px rgba(255, 0, 122, 0.45);
    animation: betaPulse 2.5s infinite alternate;
}

.link-button.beta-button:hover {
    background: linear-gradient(135deg, #FF2A8D, #9333EA);
    box-shadow: 0 6px 28px rgba(255, 0, 122, 0.75);
    transform: translateY(-2px);
    color: #FFFFFF;
}

@keyframes betaPulse {
    0% {
        box-shadow: 0 0 12px rgba(255, 0, 122, 0.4);
    }
    100% {
        box-shadow: 0 0 25px rgba(255, 0, 122, 0.85), 0 0 40px rgba(121, 40, 202, 0.5);
    }
}

/* Projects Showcase Grid */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.project-card {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.app-card-icon {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(18, 18, 28, 0.8);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover .app-card-icon {
    transform: scale(1.08);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.35);
}

.project-badge {
    font-size: 0.75em;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-desktop { background: rgba(0, 216, 255, 0.15); color: #00D8FF; border: 1px solid rgba(0, 216, 255, 0.3); }
.badge-mobile { background: rgba(255, 87, 34, 0.15); color: #FF5722; border: 1px solid rgba(255, 87, 34, 0.3); }
.badge-game { background: rgba(156, 39, 176, 0.15); color: #e040fb; border: 1px solid rgba(156, 39, 176, 0.3); }
.badge-os { background: rgba(212, 175, 55, 0.15); color: var(--light-gold); border: 1px solid var(--border-color); }
.badge-live { background: rgba(76, 175, 80, 0.15); color: #4CAF50; border: 1px solid rgba(76, 175, 80, 0.3); }
.badge-testing { background: rgba(255, 152, 0, 0.15); color: #FF9800; border: 1px solid rgba(255, 152, 0, 0.3); }

.project-card h4 {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: #FFF;
}

.project-card p {
    font-size: 0.92em;
    color: rgba(240, 240, 240, 0.75);
    margin-bottom: 20px;
    flex-grow: 1;
}

.tech-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.tech-tag {
    font-size: 0.75em;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    color: rgba(240, 240, 240, 0.6);
}

.project-links-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Footer */
footer {
    margin-top: auto;
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    background: rgba(5, 5, 10, 0.9);
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.social-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    color: var(--light-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.copyright-text {
    font-size: 0.9em;
    color: rgba(240, 240, 240, 0.5);
}

/* Responsive */
@media (min-width: 1181px) and (max-width: 1350px) {
    .navbar {
        padding: 12px 18px;
    }
    .header-logo-text {
        font-size: 1.3em;
    }
    .nav-links {
        gap: 12px;
    }
    .nav-links a {
        font-size: 0.88em;
    }
}

@media (max-width: 1180px) {
    .main-header {
        padding: 0;
    }

    .navbar {
        padding: 10px 18px;
        min-height: 56px;
    }

    .header-logo-image {
        height: 38px;
    }

    .header-logo-text {
        font-size: 1.22em;
    }

    .menu-toggle {
        display: block;
        font-size: 1.5em;
    }

    .hero-section {
        padding-top: 105px !important;
        padding-bottom: 35px;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 15px;
        right: 15px;
        background: rgba(10, 10, 20, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: 16px;
        padding: 18px 14px;
        gap: 10px;
        text-align: center;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
        margin-top: 6px;
    }

    .nav-links.active {
        display: flex;
        animation: mobileMenuSlideDown 0.3s ease-out forwards;
    }

    @keyframes mobileMenuSlideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-links li {
        width: 100%;
        list-style: none;
    }

    .nav-links li a {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 10px 14px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.02);
        border: 1px solid rgba(255, 255, 255, 0.05);
        transition: all 0.3s ease;
        width: 100%;
        font-size: 0.92em;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
        background: rgba(212, 175, 55, 0.1);
        border-color: rgba(212, 175, 55, 0.4);
        color: var(--primary-gold);
    }

    .mega-title {
        font-size: 2.2em;
    }

    .subtitle {
        font-size: 1.05em;
        line-height: 1.5;
    }

    .project-card p {
        font-size: 0.88em;
        line-height: 1.5;
    }

    .category-grid, .showcase-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 8px 14px;
        min-height: 52px;
    }

    .header-logo-image {
        height: 34px;
    }

    .header-logo-text {
        font-size: 1.1em;
        letter-spacing: 0.3px;
    }

    .hero-section {
        padding-top: 90px !important;
        padding-bottom: 28px;
    }

    .mega-title {
        font-size: 1.85em;
        line-height: 1.25;
    }

    .subtitle {
        font-size: 0.95em;
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 6px 12px;
        min-height: 48px;
    }

    .header-logo-image {
        height: 30px;
    }

    .header-logo-text {
        font-size: 0.95em;
        letter-spacing: 0px;
    }

    .hero-section {
        padding-top: 80px !important;
        padding-bottom: 22px;
    }

    .mega-title {
        font-size: 1.55em;
    }

    .subtitle {
        font-size: 0.88em;
    }

    .showcase-grid, .category-grid {
        gap: 16px;
    }
}