html {
  scroll-behavior: smooth;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
}

body {
  min-height: 100vh;
  background: #000814;
}

/* Custom Scrollbar - Ultra Premium Dark Theme */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: #000814;
  border-left: 1px solid rgba(14, 165, 233, 0.1);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #0ea5e9 0%, #00d4ff 100%);
  border-radius: 10px;
  border: 2px solid #000814;
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.5);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #00d4ff 0%, #38bdf8 100%);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
}

::-webkit-scrollbar-thumb:active {
  background: linear-gradient(180deg, #38bdf8 0%, #0ea5e9 100%);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: #0ea5e9 #000814;
}

/* Hamburger menü açıkken kaydırmayı engelle */
body.no-scroll {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

header {
  background-color: rgba(0, 0, 0, 0.95);
  padding: 1.2rem 8%;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

header.scrolled {
  background-color: rgba(0, 0, 0, 0.98);
  padding: 0.8rem 8%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(4, 55, 242, 0.3);
}

/* Sayfa içeriğini header yüksekliği kadar aşağı it */
body {
  padding-top: 0;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.logo::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, #0437f2 0%, transparent 100%);
  transition: height 0.3s ease;
}

.logo:hover::before {
  height: 100%;
}

.logo:hover {
  transform: translateX(4px);
  text-shadow: 0 0 20px rgba(4, 55, 242, 0.4);
}

.logo span {
  color: #0437f2;
  position: relative;
  display: inline-block;
  transition: all 0.3s ease;
}

.logo:hover span {
  color: #1a52ff;
  text-shadow: 0 0 25px rgba(4, 55, 242, 0.6);
}

nav ul {
  display: flex;
  list-style-type: none;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
}

nav ul li {
  position: relative;
}

nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  padding: 0.6rem 1rem;
  display: inline-block;
  overflow: hidden;
}

/* Glow effect on hover */
nav a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(4, 55, 242, 0.15) 0%, transparent 70%);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

nav a:hover::before {
  width: 200%;
  height: 200%;
}

nav a:hover {
  color: #ffffff;
  text-shadow: 0 0 15px rgba(4, 55, 242, 0.5);
}

/* Bottom line indicator */
nav a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, #0437f2, transparent);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px rgba(4, 55, 242, 0.6);
}

nav a:hover::after {
  width: 100%;
}

/* Active state */
nav a.active {
  color: #ffffff;
  font-weight: 600;
}

nav a.active::after {
  width: 100%;
  background: linear-gradient(90deg, transparent, #0437f2, transparent);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  width: 36px;
  height: 36px;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1001;
  border-radius: 8px;
  padding: 6px;
  transition: all 0.3s ease;
}

.menu-toggle:hover {
  background-color: rgba(4, 55, 242, 0.1);
}

.menu-toggle span {
  display: block;
  height: 2.5px;
  width: 28px;
  background-color: white;
  margin: 3px 0;
  border-radius: 3px;
  transition: all 0.4s cubic-bezier(0.645, 0.045, 0.355, 1);
  box-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
}

.menu-toggle:hover span {
  background-color: #0437f2;
  box-shadow: 0 0 10px rgba(4, 55, 242, 0.5);
}

/* X işareti animasyonu - tam simetrik ve smooth */
.menu-toggle.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
  background-color: #0437f2;
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(20px);
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
  background-color: #0437f2;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
  header {
    padding: 1rem 5%;
  }

  header.scrolled {
    padding: 0.7rem 5%;
  }

  .menu-toggle {
    display: flex;
  }

  nav ul {
    gap: 0;
  }

  .menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 998;
    transition: opacity 0.4s ease;
    opacity: 0;
  }

  .menu-overlay.active {
    display: block;
    opacity: 1;
  }

  nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.96) 0%, rgba(10, 10, 20, 0.96) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding-top: 90px;
    transition: right 0.5s cubic-bezier(0.645, 0.045, 0.355, 1);
    z-index: 999;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    border-left: 1px solid rgba(4, 55, 242, 0.2);
  }

  nav::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background:
      radial-gradient(circle at 80% 20%, rgba(4, 55, 242, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 20% 80%, rgba(4, 55, 242, 0.05) 0%, transparent 50%);
    pointer-events: none;
  }

  nav.active {
    right: 0;
  }

  nav ul {
    flex-direction: column;
    padding: 2rem;
    gap: 0.5rem;
  }

  nav ul li {
    padding: 0;
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.5s cubic-bezier(0.645, 0.045, 0.355, 1);
    transition-delay: calc(0.08s * var(--i, 0));
  }

  nav.active ul li {
    opacity: 1;
    transform: translateX(0);
  }

  nav a {
    display: block;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    font-size: 1.05rem;
    letter-spacing: 0.8px;
    background: transparent;
    border: none;
    margin-bottom: 0.8rem;
  }

  nav a:hover {
    background: rgba(4, 55, 242, 0.15);
    transform: translateX(8px);
  }

  nav a::after {
    display: none;
  }

  nav a.active {
    background: rgba(4, 55, 242, 0.25);
    border-left: 3px solid #0437f2;
  }
}

/* Hero - Ultra Premium Design */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: calc(73px + 6rem) 8% 6rem;
  min-height: 100vh;
  background:
    linear-gradient(135deg, #000814 0%, #001d3d 50%, #003566 100%);
  position: relative;
  overflow: hidden;
}

/* Dynamic grid background */
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(4, 55, 242, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(4, 55, 242, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  opacity: 0.3;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

/* Glowing orbs */
.hero::after {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(4, 55, 242, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  top: -200px;
  right: -100px;
  filter: blur(80px);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.4;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.6;
  }
}

.hero-content {
  z-index: 10;
  position: relative;
  animation: slideInLeft 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero h1 {
  font-size: 5rem;
  font-weight: 900;
  margin-bottom: 2rem;
  line-height: 1;
  letter-spacing: -3px;
  color: #ffffff;
  text-shadow: 0 0 40px rgba(4, 55, 242, 0.5);
  position: relative;
}

.hero h1::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, #0437f2 0%, #00d4ff 100%);
  box-shadow: 0 0 20px rgba(4, 55, 242, 0.8);
  animation: lineGrow 1s ease-out 0.5s backwards;
}

@keyframes lineGrow {
  from {
    height: 0;
  }
  to {
    height: 100%;
  }
}

.hero h1 span {
  display: block;
  background: linear-gradient(135deg, #0ea5e9 0%, #00d4ff 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: shimmer 3s linear infinite;
  position: relative;
  text-transform: uppercase;
  letter-spacing: -2px;
}

@keyframes shimmer {
  to {
    background-position: 200% center;
  }
}

.hero p {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 3rem;
  line-height: 1.8;
  font-weight: 300;
  max-width: 500px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  flex-direction: row;
  gap: 1.5rem;
  justify-content: flex-start;
  width: auto;
  margin-bottom: 0;
}

.btn {
  padding: 1.3rem 3rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  white-space: nowrap;
  min-width: 200px;
  text-align: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

/* Masaüstü görünüm için özel ayarlar */
@media (max-width: 992px) {
  .hero-content {
    text-align: center; /* Tabletlerde ortala */
  }

  .hero-buttons {
    justify-content: center; /* Tabletlerde butonları ortala */
    width: 100%;
  }
}

@media (max-width: 768px) {
  .hero-content {
    text-align: center; /* Mobilde ortala */
  }

  .hero-buttons {
    justify-content: center; /* Mobilde butonları ortala */
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
  }

  .hero-buttons {
    flex-direction: row;
    width: 100%;
  }

  .hero-buttons .btn {
    min-width: 130px;
    flex: 1;
  }
}

/* Çok dar ekranlar için */
@media (max-width: 359px) {
  /* 359px altında bile yan yana kalsın ama padding'leri azalt */
  .btn {
    padding: 0.8rem 0.5rem;
    font-size: 0.85rem;
    min-width: 120px;
  }

  .hero-buttons {
    gap: 0.5rem; /* Daha az boşluk */
  }
}

.primary-btn {
  background: linear-gradient(135deg, #0ea5e9 0%, #00d4ff 100%);
  color: #000814;
  box-shadow:
    0 0 30px rgba(14, 165, 233, 0.6),
    0 10px 30px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(14, 165, 233, 0.5);
}

.primary-btn:hover {
  background: linear-gradient(135deg, #00d4ff 0%, #38bdf8 100%);
  box-shadow:
    0 0 50px rgba(14, 165, 233, 1),
    0 15px 40px rgba(0, 0, 0, 0.4);
  transform: translateY(-5px) scale(1.05);
  border-color: rgba(14, 165, 233, 1);
}

.secondary-btn {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.secondary-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #00d4ff;
  border-color: #00d4ff;
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.hero-image {
  position: relative;
  z-index: 10;
  animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(2deg);
  }
}

.hero-image img {
  width: 100%;
  max-width: 450px;
  height: auto;
  border-radius: 20px;
  position: relative;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 0 2px rgba(14, 165, 233, 0.3),
    0 0 60px rgba(14, 165, 233, 0.5);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border: 3px solid rgba(14, 165, 233, 0.2);
}

.hero-image img:hover {
  transform: scale(1.05) rotate(-2deg);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.7),
    0 0 0 3px rgba(14, 165, 233, 0.6),
    0 0 80px rgba(14, 165, 233, 0.8);
}

/* Arka plan animasyonu */
.shape {
  position: absolute;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.3) 0%, transparent 70%);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  top: -10%;
  right: -10%;
  z-index: 1;
  animation: morph 8s ease-in-out infinite;
  filter: blur(60px);
}

@keyframes morph {
  0% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
  50% {
    border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
  }
  100% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
}

/* Container sınırlama - overflow sorunlarını önlemek için */
body {
  overflow-x: hidden; /* Yatay scrollu engeller */
}

main {
  overflow-x: hidden; /* Yatay scrollu engeller */
  width: 100%;
  position: relative;
}

/* Hero için Responsive Tasarım */
@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: calc(73px + 4rem) 5% 4rem;
    gap: 3rem;
  }

  .hero-content {
    margin-bottom: 2rem;
    max-width: 100%;
  }

  .hero h1 {
    font-size: 3.5rem;
    letter-spacing: -2px;
  }

  .hero h1::before {
    display: none;
  }

  .hero p {
    max-width: 100%;
  }

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

  .hero-image {
    width: 100%;
    display: flex;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: calc(73px + 3rem) 5% 3rem;
    min-height: 100vh;
  }

  .hero::before {
    background-size: 30px 30px;
  }

  .hero::after {
    width: 400px;
    height: 400px;
  }

  .hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
  }

  .hero h1 span {
    letter-spacing: -1px;
  }

  .hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
  }

  .btn {
    padding: 1.1rem 2rem;
    font-size: 0.95rem;
    min-width: 160px;
  }

  .hero-buttons {
    gap: 1rem;
    flex-wrap: wrap;
  }

  .hero-image img {
    max-width: 350px;
  }

  .shape {
    filter: blur(40px);
  }
}

/* Hakkımda Kısmı - Ultra Premium */
.about-section {
  padding: 8rem 8%;
  background: linear-gradient(180deg, #001b3d 0%, #000814 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.about-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.5), transparent);
}

.about-section::after {
  content: "";
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-title h2 {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
  text-transform: uppercase;
}

.underline {
  height: 4px;
  width: 100px;
  background: linear-gradient(90deg, transparent, #0ea5e9, transparent);
  margin: 0 auto;
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.6);
  border-radius: 2px;
}

.about-content {
  margin-bottom: 4rem;
}

.about-text {
  max-width: 900px;
  margin: 0 auto;
  font-size: 1.3rem;
  line-height: 1.9;
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 300;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 20px;
  border: 1px solid rgba(14, 165, 233, 0.1);
  backdrop-filter: blur(10px);
}

.skills-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  position: relative;
}

.skill-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.1), transparent);
  transition: left 0.6s;
}

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

.skill-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(14, 165, 233, 0.5);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(14, 165, 233, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.skill-card h3 {
  color: #0ea5e9;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 2rem;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.skill-card h3::after {
  content: "";
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #0ea5e9, transparent);
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.6);
}

.skill-card ul {
  list-style: none;
  margin-bottom: 0;
}

.skill-card ul li {
  margin-bottom: 1.2rem;
  position: relative;
  padding-left: 25px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  transition: all 0.3s;
}

.skill-card ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #0ea5e9;
  font-size: 1.2rem;
}

.skill-card ul li:hover {
  color: #ffffff;
  transform: translateX(5px);
}

.skill-card span {
  color: #00d4ff;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.experience-list li,
.education-list li {
  margin-bottom: 1.5rem;
}

.year {
  display: inline-block;
  color: #00d4ff;
  font-weight: 700;
  margin-bottom: 0.5rem;
  padding: 0.3rem 0.8rem;
  background: rgba(14, 165, 233, 0.15);
  border-radius: 6px;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

/* About Responsive */
@media (max-width: 992px) {
  .about-section {
    padding: 6rem 5%;
  }

  .section-title h2 {
    font-size: 2.8rem;
  }

  .about-text {
    font-size: 1.2rem;
    padding: 1.5rem;
  }
}

@media (max-width: 768px) {
  .about-section {
    padding: 5rem 5%;
  }

  .about-section::after {
    width: 600px;
    height: 600px;
  }

  .skills-preview {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section-title h2 {
    font-size: 2.2rem;
    letter-spacing: 0;
  }

  .about-text {
    font-size: 1.1rem;
    padding: 1.5rem;
  }

  .skill-card {
    padding: 2rem;
  }

  .skill-card h3 {
    font-size: 1.5rem;
  }
}

/* Yeteneklerim Bölümü Stilleri */
.skills-section {
  padding: 8rem 8%;
  background: linear-gradient(180deg, #000814 0%, #001d3d 50%, #000814 100%);
  position: relative;
  overflow: hidden;
  color: #ffffff;
}

/* Top separator with glow */
.skills-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.5), transparent);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.5);
}

/* Bottom radial glow orb */
.skills-section::after {
  content: "";
  position: absolute;
  bottom: -200px;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
  position: relative;
  z-index: 1;
}

.skill-box {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  z-index: 1;
}

/* Animated gradient sweep on hover */
.skill-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.1), transparent);
  z-index: 0;
  transition: transform 0.6s ease;
}

.skill-box:hover::before {
  transform: translateX(200%);
}

/* Glow effect on hover */
.skill-box::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
  z-index: 0;
  border-radius: 50%;
}

.skill-box:hover::after {
  width: 400px;
  height: 400px;
}

.skill-box:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: rgba(14, 165, 233, 0.6);
  box-shadow:
    0 25px 60px rgba(0, 0, 0, 0.5),
    0 0 60px rgba(14, 165, 233, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.skill-icon {
  padding: 2.5rem 2.5rem 1rem;
  display: flex;
  justify-content: flex-start;
  position: relative;
  z-index: 1;
}

.skill-svg {
  width: 70px;
  height: 70px;
  fill: #0ea5e9;
  filter: drop-shadow(0 0 20px rgba(14, 165, 233, 0.5));
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-box:hover .skill-svg {
  transform: scale(1.15) rotateY(360deg);
  fill: #00d4ff;
  filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.8));
}

.skill-content {
  padding: 0 2.5rem 2.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

.skill-content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  transition: all 0.3s ease;
}

.skill-box:hover .skill-content h3 {
  background: linear-gradient(135deg, #00d4ff 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(14, 165, 233, 0.5);
}

.skill-content p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin: 0;
  font-size: 1rem;
}

/* Responsive Tasarım */
@media (max-width: 992px) {
  .skills-section {
    padding: 6rem 5%;
  }

  .skills-grid {
    gap: 2rem;
    margin-top: 3rem;
  }

  .skill-icon {
    padding: 2rem 2rem 0.75rem;
  }

  .skill-svg {
    width: 60px;
    height: 60px;
  }

  .skill-content {
    padding: 0 2rem 2rem;
  }

  .skill-content h3 {
    font-size: 1.4rem;
  }
}

@media (max-width: 768px) {
  .skills-section {
    padding: 4rem 5%;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2.5rem;
  }

  .skill-content h3 {
    font-size: 1.3rem;
  }

  .skill-icon {
    padding: 1.5rem 1.5rem 0.75rem;
  }

  .skill-svg {
    width: 55px;
    height: 55px;
  }

  .skill-content {
    padding: 0 1.5rem 1.5rem;
  }

  .skill-box {
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Tecrübelerim Bölümü Stilleri */
.experience-section {
  padding: 8rem 8%;
  background: linear-gradient(180deg, #001d3d 0%, #000814 50%, #001d3d 100%);
  position: relative;
  overflow: hidden;
  color: #ffffff;
}

/* Top glowing separator */
.experience-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.5), transparent);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.5);
}

/* Bottom left radial glow */
.experience-section::after {
  content: "";
  position: absolute;
  bottom: -200px;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 0;
  z-index: 1;
}

/* Dikey çizgi - Glowing cyan line */
.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.2), #0ea5e9, rgba(14, 165, 233, 0.2));
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.5);
  left: 50px;
  margin-left: -2px;
  z-index: 1;
}

.timeline-item {
  padding-left: 90px;
  position: relative;
  margin-bottom: 50px;
  z-index: 2;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  width: 24px;
  height: 24px;
  background: radial-gradient(circle, #00d4ff 0%, #0ea5e9 100%);
  border: 3px solid rgba(14, 165, 233, 0.5);
  border-radius: 50%;
  position: absolute;
  left: 36px;
  top: 20px;
  z-index: 3;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.6), inset 0 0 10px rgba(255, 255, 255, 0.5);
}

.timeline-item:hover .timeline-dot {
  background: radial-gradient(circle, #ffffff 0%, #00d4ff 100%);
  border-color: #00d4ff;
  box-shadow: 0 0 40px rgba(0, 212, 255, 1), inset 0 0 15px rgba(255, 255, 255, 0.8);
  transform: scale(1.4);
}

.timeline-date {
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 15px;
  font-size: 1.1rem;
  display: inline-block;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(14, 165, 233, 0.3));
  border: 1px solid rgba(14, 165, 233, 0.4);
  padding: 8px 20px;
  border-radius: 25px;
  transition: all 0.4s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.95rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.timeline-item:hover .timeline-date {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.3), rgba(14, 165, 233, 0.4));
  border-color: rgba(14, 165, 233, 0.6);
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}

.timeline-content {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px 35px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  position: relative;
  overflow: hidden;
}

/* Animated shine effect */
.timeline-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.1), transparent);
  transition: transform 0.6s ease;
}

.timeline-item:hover .timeline-content::before {
  transform: translateX(200%);
}

.timeline-item:hover .timeline-content {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(14, 165, 233, 0.5);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(14, 165, 233, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.timeline-header {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.company-logo {
  width: 90px;
  height: 90px;
  object-fit: contain;
  margin-right: 20px;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.05);
  padding: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.4s ease;
  max-width: 90px;
  max-height: 90px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.timeline-item:hover .company-logo {
  transform: scale(1.08) rotateY(5deg);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.4);
  border-color: rgba(14, 165, 233, 0.5);
}

.timeline-content h3 {
  font-size: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.timeline-content p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin-bottom: 0;
  font-size: 1rem;
  margin-top: 10px;
}

/* Responsive Tasarım */
@media (max-width: 992px) {
  .experience-section {
    padding: 6rem 5%;
  }

  .timeline::before {
    left: 40px;
  }

  .timeline-dot {
    left: 28px;
    width: 20px;
    height: 20px;
  }

  .timeline-item {
    padding-left: 70px;
  }

  .timeline-content {
    padding: 25px 25px;
  }

  .company-logo {
    width: 75px;
    height: 75px;
    max-width: 75px;
    max-height: 75px;
  }

  .timeline-content h3 {
    font-size: 1.3rem;
  }
}

@media (max-width: 768px) {
  .experience-section {
    padding: 4rem 5%;
  }

  .timeline::before {
    left: 30px;
  }

  .timeline-dot {
    left: 18px;
    width: 18px;
    height: 18px;
    top: 18px;
  }

  .timeline-item {
    padding-left: 55px;
    margin-bottom: 40px;
  }

  .timeline-content {
    padding: 20px 20px;
  }

  .timeline-date {
    font-size: 0.85rem;
    padding: 6px 15px;
  }

  .timeline-content h3 {
    font-size: 1.2rem;
  }

  .company-logo {
    width: 65px;
    height: 65px;
    margin-right: 15px;
    max-width: 65px;
    max-height: 65px;
  }

  .timeline-header {
    flex-wrap: wrap;
  }

  .timeline-content p {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .company-logo {
    margin-bottom: 10px;
    width: 60px;
    height: 60px;
    max-width: 60px;
    max-height: 60px;
  }

  .timeline-item {
    padding-left: 50px;
  }

  .timeline::before {
    left: 25px;
  }

  .timeline-dot {
    left: 13px;
  }
}

/* Footer */
/* Footer Styles */
footer {
  background: linear-gradient(180deg, #000814 0%, #000000 100%);
  color: white;
  padding: 0;
  margin-top: 0;
  position: relative;
  overflow: hidden;
}

/* Top glowing separator */
footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.5), transparent);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.5);
}

/* Radial glow orbs */
footer::after {
  content: "";
  position: absolute;
  top: -100px;
  right: 20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 4rem 8%;
  flex-wrap: wrap;
  gap: 3rem;
  position: relative;
  z-index: 1;
}

.footer-logo {
  flex: 1;
  min-width: 250px;
}

.footer-logo-text {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
}

.footer-logo-text span {
  background: linear-gradient(135deg, #0ea5e9 0%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
  margin-top: 0.5rem;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  padding: 0 1rem;
  flex: 1;
  min-width: 200px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(14, 165, 233, 0.3);
  color: #0ea5e9;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.social-icon::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
  z-index: 0;
}

.social-icon:hover {
  transform: translateY(-8px) scale(1.1);
  border-color: #0ea5e9;
  box-shadow: 0 15px 40px rgba(14, 165, 233, 0.5);
  background: rgba(14, 165, 233, 0.1);
}

.social-icon:hover::before {
  width: 200px;
  height: 200px;
}

.social-icon svg {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
  filter: drop-shadow(0 0 5px rgba(14, 165, 233, 0.5));
}

.social-icon:hover svg {
  fill: #00d4ff;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.8));
}

.footer-contact {
  flex: 1;
  min-width: 250px;
}

.footer-contact h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #ffffff 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-contact h3::after {
  content: "";
  position: absolute;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #0ea5e9, #00d4ff);
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.5);
  bottom: 0;
  left: 0;
  border-radius: 2px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: 1.2rem;
  transition: all 0.3s ease;
  padding: 0.5rem;
  border-radius: 8px;
}

.contact-item:hover {
  color: #00d4ff;
  transform: translateX(8px);
  background: rgba(14, 165, 233, 0.05);
}

.contact-item svg {
  flex-shrink: 0;
  filter: drop-shadow(0 0 5px rgba(14, 165, 233, 0.3));
}

.footer-bottom {
  background: rgba(0, 0, 0, 0.5);
  padding: 2rem 8%;
  text-align: center;
  border-top: 1px solid rgba(14, 165, 233, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  z-index: 1;
}

.copyright {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.5px;
  line-height: 1.8;
}

.copyright a {
  color: #0ea5e9;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 600;
  position: relative;
}

.copyright a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #0ea5e9, #00d4ff);
  transition: width 0.3s ease;
}

.copyright a:hover {
  color: #00d4ff;
  text-shadow: 0 0 10px rgba(14, 165, 233, 0.5);
}

.copyright a:hover::after {
  width: 100%;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .footer-container {
    padding: 3.5rem 5%;
    gap: 2.5rem;
  }

  .footer-bottom {
    padding: 1.8rem 5%;
  }

  .footer-logo-text {
    font-size: 2.2rem;
  }

  .social-icon {
    width: 45px;
    height: 45px;
  }

  .social-icon svg {
    width: 20px;
    height: 20px;
  }
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 3rem 5%;
    gap: 2.5rem;
  }

  .footer-logo,
  .footer-social,
  .footer-contact {
    width: 100%;
    min-width: 100%;
  }

  .footer-contact h3::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .contact-item {
    justify-content: center;
  }

  .contact-item:hover {
    transform: translateY(-5px);
    transform: translateX(0);
  }

  .footer-bottom {
    padding: 1.5rem 5%;
  }

  .footer-logo-text {
    font-size: 2rem;
  }

  .footer-contact h3 {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .footer-container {
    padding: 2.5rem 5%;
    gap: 2rem;
  }

  .footer-logo-text {
    font-size: 1.8rem;
  }

  .social-icon {
    width: 42px;
    height: 42px;
  }

  .social-icon svg {
    width: 18px;
    height: 18px;
  }

  .footer-contact h3 {
    font-size: 1.2rem;
  }

  .footer-tagline {
    font-size: 0.9rem;
  }

  .copyright {
    font-size: 0.85rem;
  }
}

/* Go up */
/* Yukarı çıkma butonu stilleri - Ultra Premium */
#scroll-top-btn {
  position: fixed;
  bottom: 35px;
  right: 35px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9 0%, #00d4ff 100%);
  color: white;
  border: 2px solid rgba(14, 165, 233, 0.3);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(30px) scale(0.8);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}

#scroll-top-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
}

#scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

#scroll-top-btn:hover {
  background: linear-gradient(135deg, #00d4ff 0%, #38bdf8 100%);
  border-color: #00d4ff;
  transform: translateY(-8px) scale(1.1);
  box-shadow: 0 15px 50px rgba(14, 165, 233, 0.6), 0 0 30px rgba(0, 212, 255, 0.5);
}

#scroll-top-btn:hover::before {
  width: 200px;
  height: 200px;
}

#scroll-top-btn:active {
  transform: translateY(-5px) scale(1.05);
}

#scroll-top-btn svg {
  width: 26px;
  height: 26px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
  transition: all 0.3s ease;
}

#scroll-top-btn:hover svg {
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.8));
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  #scroll-top-btn {
    width: 50px;
    height: 50px;
    bottom: 25px;
    right: 25px;
  }

  #scroll-top-btn svg {
    width: 22px;
    height: 22px;
  }
}

@media (max-width: 480px) {
  #scroll-top-btn {
    width: 45px;
    height: 45px;
    bottom: 20px;
    right: 20px;
  }

  #scroll-top-btn svg {
    width: 20px;
    height: 20px;
  }
}