/* Modern Portfolio CSS - Sadece CSS ile İnteraktif Tasarım */

/* ============================================
   CSS VARIABLES & THEME
   ============================================ */
:root {
  /* Renkler - Koyu tema odaklı modern palet */
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #60a5fa;
  --accent: #10b981;
  --accent-dark: #059669;

  --background: #0a0a0f;
  --surface: #151520;
  --surface-light: #1e1e2e;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border: #2d2d3f;
  --border-light: #3d3d4f;

  /* Tipografi */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  line-height: 1.7;
}

.text-large {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.6;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.section-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--primary);
  font-weight: 600;
}

.section-title {
  color: var(--text-primary);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-base);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#nav-title {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-base);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}

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

.nav-menu a:hover::after {
  width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  /* Navbar için padding eklendi - navbar fixed olduğu için içeriğin altında kalmayı önlüyor */
  padding-top: calc(80px + var(--spacing-3xl));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.hero-greeting {
  font-size: 1.125rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.hero-title {
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  border-right: 5px solid;
  white-space: nowrap;
  overflow: hidden;
  width: 100%;

  animation: typing 3s steps(16), cursor .4s step-end infinite alternate;
}

@keyframes cursor {
  50% {
    border-color: transparent;
  }
}
@keyframes typing {
  from {
    width: 0;
  }
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.hero-description {
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-placeholder {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--surface-light), var(--surface));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  /* Daha fazla esneklik için max-width ayarı eklendi */
  margin: 0 auto;
}

.image-placeholder::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.1), transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  padding: var(--spacing-3xl) 0;
  background: var(--surface);
}

.about-content {
  display: grid;
  gap: var(--spacing-3xl);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.about-text p:first-child {
  color: var(--text-primary);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat-item {
  padding: var(--spacing-lg);
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

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

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
  padding: var(--spacing-3xl) 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-card:hover {
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-large {
  grid-column: span 2;
}

.project-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-light);
}

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

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

.project-info {
  padding: var(--spacing-lg);
}

.project-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag {
  padding: 0.375rem 0.75rem;
  background: var(--surface-light);
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tag:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills {
  padding: var(--spacing-3xl) 0;
  background: var(--surface);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.skill-category {
  padding: var(--spacing-lg);
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.skill-category:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.skill-category h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border);
}

.skill-list {
  list-style: none;
}

.skill-list li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--spacing-md);
  transition: color var(--transition-fast);
}

.skill-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.skill-list li:hover {
  color: var(--text-primary);
  padding-left: var(--spacing-lg);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  padding: var(--spacing-3xl) 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.contact-text h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.contact-text p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.info-item strong {
  color: var(--text-primary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-item a {
  color: var(--primary);
  transition: color var(--transition-fast);
}

.info-item a:hover {
  color: var(--primary-light);
}

.info-item span {
  color: var(--text-secondary);
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-form {
  background: var(--surface);
  padding: var(--spacing-xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--spacing-xl) 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-4px);
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
  /* Mobilde navbar yüksekliği için padding düzenlemesi */
  .hero {
    padding-top: calc(70px + var(--spacing-xl));
    min-height: auto;
  }

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

  .hero-text {
    order: 2;
  }

  .hero-image {
    order: 1;
    margin-bottom: var(--spacing-xl);
    /* Hero image mobilde daha küçük ve ortalanmış */
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Image placeholder boyutunu hero-image'e göre ayarla */
  .image-placeholder {
    max-width: 100%;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .project-large {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    gap: var(--spacing-md);
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  /* Mobilde navbar ve padding düzenlemesi */
  .hero {
    padding: var(--spacing-xl) var(--spacing-md);
    padding-top: calc(70px + var(--spacing-md));
  }

  /* Küçük ekranlarda hero image daha da küçük */
  .hero-image {
    max-width: 240px;
  }

  /* Discord status ve tag elemanları daha küçük fontlarda */
  .discord-status {
    font-size: 0.875rem;
  }

  .discord-tag {
    max-width: 100%;
    font-size: 0.875rem;
  }

  .nav-menu {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ============================================
   Discord Guild Tag
   ============================================ */
.discord-tag {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #2c2f33;
  padding: 6px 12px;
  border-radius: 8px;
  font-family: Arial, sans-serif;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
  scale: 0.7;
}

.discord-tag:hover {
  transform: translateY(-1px);
}

.discord-tag img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.discord-tag span {
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ============================================
   Technologies
   ============================================ */
.technologies {
  display: flex;
  gap: var(--spacing-md);
}

.technologies i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.technologies i:hover {
  background: rgb(0, 44, 0);
  border-color: var(--primary);
  color: white;
  transform: translateY(-4px);
}

.technologies-text {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ============================================
   PRELOADER
   ============================================ */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--background);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.preloader-text {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.preloader-question {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.preloader-input {
  width: 260px;
  padding: 0.75rem 1rem;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  text-align: center;
  transition: all var(--transition-base);
}

.preloader-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.preloader-description {
  max-width: 500px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.preloader-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}


/* ============================================
   DISCORD STATUS TEXT
   ============================================ */
.discord-status-text {
  text-align: center;
  margin-top: 20px;
  width: 400px;
  height: 15px;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.discord-status-text.hidden {
  display: none;
}

/* ============================================
   DISCORD STATUS TEXT
   ============================================ */