/* Modern CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6b7280;
    --secondary-color: #4b5563;
    --accent-color: #9ca3af;
    --text-light: #f9fafb;
    --text-dark: #1f2937;
    --background-dark: #0f172a;
    --background-card: rgba(31, 41, 55, 0.2);
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 30px 60px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #000000 100%);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background Particles */
.background-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(107, 114, 128, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(156, 163, 175, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(75, 85, 99, 0.08) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(1deg); }
    66% { transform: translateY(-20px) rotate(-1deg); }
}

/* Floating Shapes */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.shape {
    position: absolute;
    background: linear-gradient(45deg, rgba(156, 163, 175, 0.1), rgba(107, 114, 128, 0.1));
    border-radius: 50%;
    animation: floatShape 20s infinite linear;
    will-change: transform, opacity;
    animation-fill-mode: both;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 10%;
    animation-delay: 5s;
    animation-duration: 20s;
}

.shape-3 {
    width: 40px;
    height: 40px;
    top: 80%;
    left: 20%;
    animation-delay: 10s;
    animation-duration: 30s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 30%;
    animation-delay: 15s;
    animation-duration: 35s;
}

.shape-5 {
    width: 50px;
    height: 50px;
    top: 10%;
    right: 20%;
    animation-delay: 8s;
    animation-duration: 22s;
}

@keyframes floatShape {
    0% { transform: translateY(0px) translateX(0px) rotate(0deg); opacity: 0.3; }
    25% { transform: translateY(-100px) translateX(50px) rotate(90deg); opacity: 0.6; }
    50% { transform: translateY(0px) translateX(100px) rotate(180deg); opacity: 0.3; }
    75% { transform: translateY(100px) translateX(50px) rotate(270deg); opacity: 0.6; }
    100% { transform: translateY(0px) translateX(0px) rotate(360deg); opacity: 0.3; }
}

/* Header Styles */
.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

.logo {
    margin-bottom: 2rem;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.2);
    object-fit: cover;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.profile-img:hover {
    transform: scale(1.1);
    border-color: var(--accent-color);
    box-shadow: 0 15px 40px rgba(156, 163, 175, 0.4);
}

.hero-text {
    max-width: 600px;
}

.main-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 25%, #ffffff 50%, #e2e8f0 75%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
    filter: drop-shadow(0 2px 6px rgba(16, 185, 129, 0.2));
    animation: fancyWhiteGlow 6s ease-in-out infinite;
}

@keyframes fancyWhiteGlow {
    0%, 100% { 
        filter: drop-shadow(0 2px 6px rgba(156, 163, 175, 0.2)) brightness(1);
        text-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
    }
    50% { 
        filter: drop-shadow(0 4px 8px rgba(156, 163, 175, 0.4)) brightness(1.1);
        text-shadow: 0 0 18px rgba(255, 255, 255, 0.6), 0 0 30px rgba(107, 114, 128, 0.3);
    }
}

.copyright {
    font-size: 0.8em;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 25%, #ffffff 50%, #e2e8f0 75%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    filter: drop-shadow(0 1px 3px rgba(16, 185, 129, 0.2));
    animation: fancyWhiteShine 5s ease-in-out infinite;
}

@keyframes fancyWhiteShine {
    0%, 100% { 
        filter: drop-shadow(0 1px 3px rgba(156, 163, 175, 0.2)) brightness(1);
        text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    }
    50% { 
        filter: drop-shadow(0 2px 4px rgba(156, 163, 175, 0.3)) brightness(1.05);
        text-shadow: 0 0 12px rgba(255, 255, 255, 0.5), 0 0 20px rgba(107, 114, 128, 0.2);
    }
}

.cursor-blink {
    animation: blink 1s infinite;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 25%, #ffffff 50%, #e2e8f0 75%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
    filter: drop-shadow(0 1px 2px rgba(156, 163, 175, 0.3));
}

/* Typed Text Animation */
.typed-text {
    display: inline-block;
    min-width: 2ch;
}

.cursor-blink {
    animation: blink 1s infinite;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 25%, #ffffff 50%, #e2e8f0 75%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
    filter: drop-shadow(0 1px 2px rgba(156, 163, 175, 0.3));
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.scroll-arrow {
    font-size: 1.2rem;
    color: var(--accent-color);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Main Content */
.main-content {
    padding: 4rem 0;
    position: relative;
    z-index: 10;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2rem;
    align-items: stretch;
    min-height: 800px;
}

.container .card:nth-child(1) {
    /* About Me card */
    grid-column: 1;
    grid-row: 1;
}

.container .card:nth-child(2) {
    /* Get In Touch card */
    grid-column: 1;
    grid-row: 2;
}

.container .card:nth-child(3) {
    /* Technical Skills card */
    grid-column: 2;
    grid-row: 1 / 3;
}

/* Card Styles */
.card {
    background: var(--background-card);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    box-shadow: var(--shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.05) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.card:hover::after {
    opacity: 1;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.card:hover::before {
    opacity: 1;
}

.card-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(75, 85, 99, 0.1) 0%, rgba(55, 65, 81, 0.1) 100%);
    opacity: 0;
    transition: var(--transition);
}

.card:hover .card-background {
    opacity: 1;
}

.card-content {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;  /* Fixed: was 13.9rem which was way too much */
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 10px 20px rgba(107, 114, 128, 0.3);
    flex-shrink: 0;
}

.card h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-light);
    flex-shrink: 0;
}

.card p {
    font-size: 1rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    flex-shrink: 0;
}

/* Skills Styles */
.skills-section {
    margin-bottom: 4rem;  /* 3rem'den 4rem'e çıkardım - daha fazla boşluk */
    flex: 1;
}

.skills-section:last-child {
    margin-bottom: 2rem;  /* 1.5rem'den 2rem'e çıkardım */
}

.skills-category {
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 2rem;  /* Fixed: was -1rem which was negative */
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--accent-color);
    position: relative;
}

.skills-category::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(115px, 1fr));
    gap: 1rem;
}

.skill-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.2rem 0.9rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(156, 163, 175, 0.2);
    border-radius: 20px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    text-align: center;
    flex-direction: column;
    min-height: 110px;
}

/* Skill Progress Bars */
.skill-progress {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.skill-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    width: 0;
    transition: width 2s ease-in-out;
    animation: skillLoad 2s ease-in-out forwards;
}

.skill-tag[data-level="90"] .skill-progress-bar { animation-delay: 0.5s; }
.skill-tag[data-level="85"] .skill-progress-bar { animation-delay: 0.7s; }
.skill-tag[data-level="80"] .skill-progress-bar { animation-delay: 0.9s; }
.skill-tag[data-level="75"] .skill-progress-bar { animation-delay: 1.1s; }
.skill-tag[data-level="95"] .skill-progress-bar { animation-delay: 0.3s; }
.skill-tag[data-level="70"] .skill-progress-bar { animation-delay: 1.3s; }

@keyframes skillLoad {
    from { width: 0; }
    to { 
        width: var(--skill-width, 0%);
    }
}

.skill-tag[data-level="90"] .skill-progress-bar { --skill-width: 90%; }
.skill-tag[data-level="85"] .skill-progress-bar { --skill-width: 85%; }
.skill-tag[data-level="80"] .skill-progress-bar { --skill-width: 80%; }
.skill-tag[data-level="75"] .skill-progress-bar { --skill-width: 75%; }
.skill-tag[data-level="95"] .skill-progress-bar { --skill-width: 95%; }
.skill-tag[data-level="70"] .skill-progress-bar { --skill-width: 70%; }  /* 95px'den 110px'e çıkardım - daha uzun etiketler */

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(156, 163, 175, 0.1), transparent);
    transition: all 0.6s ease;
}

.skill-tag:hover::before {
    left: 100%;
}

.skill-tag:hover {
    background: linear-gradient(135deg, rgba(156, 163, 175, 0.15), rgba(107, 114, 128, 0.1));
    border-color: var(--accent-color);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(156, 163, 175, 0.2);
}

.skill-tag i {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 0.4rem;
    transition: var(--transition);
}

.skill-tag:hover i {
    color: var(--primary-color);
    transform: scale(1.1);
}

.skill-tag span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
    opacity: 0.9;
    transition: var(--transition);
}

.skill-tag:hover span {
    opacity: 1;
    color: #ffffff;
    font-weight: 600;
}

/* Skills Footer */
.skills-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(156, 163, 175, 0.2);
    text-align: center;
}

.skills-note {
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0.8;
    font-style: italic;
    margin: 0;
}

/* Legacy skills styles (keeping for backward compatibility) */
.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.skill-item i {
    font-size: 1.2rem;
    color: var(--accent-color);
    min-width: 20px;
}

.certification {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(156, 163, 175, 0.15), rgba(107, 114, 128, 0.1));
    border-radius: 12px;
    border: 1px solid var(--accent-color);
    margin-top: 0.5rem;
}

.certification i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* Contact Styles */
.contact-intro {
    margin-bottom: 1.5rem;
    text-align: center;
    flex-shrink: 0;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    flex: 1;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-light);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(156, 163, 175, 0.1), transparent);
    transition: all 0.6s ease;
}

.contact-link:hover::before {
    left: 100%;
}

.contact-link i {
    font-size: 1.5rem;
    color: var(--accent-color);
    min-width: 24px;
}

.contact-link span {
    font-weight: 500;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.2);
    margin-top: 4rem;
}

.footer p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        padding: 0 1rem;
        gap: 1.5rem;
        min-height: auto;
        align-items: start;
    }
    
    .container .card:nth-child(1) {
        /* About Me card */
        grid-column: 1;
        grid-row: 1;
    }

    .container .card:nth-child(2) {
        /* Technical Skills card */
        grid-column: 1;
        grid-row: 2;
    }

    .container .card:nth-child(3) {
        /* Get In Touch card */
        grid-column: 1;
        grid-row: 3;
    }
    
    .card {
        padding: 1.8rem;
        min-height: 350px;
        height: auto;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .header {
        min-height: 80vh;
        padding: 1rem;
    }
    
    .profile-img {
        width: 100px;
        height: 100px;
    }
    
    .contact-links {
        gap: 0.7rem;
    }
    
    .contact-link {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(95px, 1fr));
        gap: 0.6rem;
    }
    
    .skill-tag {
        padding: 0.6rem 0.7rem;
        min-height: 65px;
    }
    
    .skill-tag i {
        font-size: 1.3rem;
    }
    
    .skill-tag span {
        font-size: 0.75rem;
    }
    
    .skills-category {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        min-height: auto;
        align-items: start;
    }
    
    .container .card:nth-child(1) {
        /* About Me card */
        grid-column: 1;
        grid-row: 1;
    }

    .container .card:nth-child(2) {
        /* Technical Skills card */
        grid-column: 1;
        grid-row: 2;
    }

    .container .card:nth-child(3) {
        /* Get In Touch card */
        grid-column: 1;
        grid-row: 3;
    }
    
    .card {
        padding: 1.5rem;
        min-height: 320px;
        height: auto;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .card h2 {
        font-size: 1.5rem;
    }
    
    .skill-item, .contact-link {
        padding: 0.7rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(85px, 1fr));
        gap: 0.5rem;
    }
    
    .skill-tag {
        padding: 0.5rem 0.6rem;
        min-height: 60px;
    }
    
    .skill-tag i {
        font-size: 1.2rem;
    }
    
    .skill-tag span {
        font-size: 0.7rem;
    }
    
    .skills-category {
        font-size: 0.95rem;
        margin-bottom: 0.8rem;
    }
    
    .skills-section {
        margin-bottom: 1.2rem;
    }
}

/* Scroll animations */
@media (prefers-reduced-motion: no-preference) {
    .card {
        opacity: 0;
        transform: translateY(50px);
        animation: slideUp 0.8s ease-out forwards;
    }
    
    .card:nth-child(1) { animation-delay: 0.1s; }
    .card:nth-child(2) { animation-delay: 0.2s; }
    .card:nth-child(3) { animation-delay: 0.3s; }
}

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