/* --- BASE ACCENT COLORS --- */
:root {
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- LIGHT THEME DESIGN SYSTEM --- */
:root,
[data-theme="light"] {
  --bg-primary: #f3f4f6;
  --bg-secondary: rgba(255, 255, 255, 0.4);
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --glass-bg: rgba(255, 255, 255, 0.45);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: rgba(31, 38, 135, 0.06);
  --glass-blur: blur(16px);
}

/* --- DARK THEME DESIGN SYSTEM --- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0b0f19;
    --bg-secondary: rgba(15, 23, 42, 0.3);
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --glass-bg: rgba(15, 23, 42, 0.55);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    --glass-blur: blur(20px);
  }
}

[data-theme="dark"] {
  --bg-primary: #0b0f19;
  --bg-secondary: rgba(15, 23, 42, 0.3);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --glass-bg: rgba(15, 23, 42, 0.55);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: rgba(0, 0, 0, 0.3);
  --glass-blur: blur(20px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Background Blur Graphics */
.bg-blur-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  -webkit-filter: blur(90px);
  z-index: -1;
  opacity: 0.4;
  pointer-events: none;
}

.circle-1 {
  top: 10%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: linear-gradient(45deg, #4f46e5, #ec4899);
}

.circle-2 {
  top: 60%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: linear-gradient(45deg, #06b6d4, #3b82f6);
}

@media (prefers-color-scheme: dark) {
  .bg-blur-circle {
    opacity: 0.22;
  }
}
[data-theme="dark"] .bg-blur-circle {
  opacity: 0.22;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

section {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 50px;
  height: 4px;
  background-color: var(--accent);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

/* --- BUTTONS --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

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

.btn-outline {
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: 0 4px 12px var(--glass-shadow);
}

.btn-outline:hover {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* --- NAVBAR --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px var(--glass-shadow);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo-img {
  height: 60px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.logo-text {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--accent);
}

.lang-toggle,
.theme-toggle {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lang-toggle {
  font-size: 0.8rem;
  font-weight: 700;
}

.theme-toggle {
  font-size: 1.25rem;
}

.lang-toggle:hover,
.theme-toggle:hover {
  transform: scale(1.1);
  border-color: var(--accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

/* --- HERO SECTION --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
}

.hero-content {
  max-width: 700px;
  width: 100%;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.social-link {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 2rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 12px var(--glass-shadow);
  transition: var(--transition);
}

.social-link:hover {
  transform: translateY(-3px);
}

.social-link.upwork:hover {
  color: #14a800;
  border-color: rgba(20, 168, 0, 0.4);
  background: rgba(20, 168, 0, 0.08);
}
.social-link.fiverr:hover {
  color: #1dbf73;
  border-color: rgba(29, 191, 115, 0.4);
  background: rgba(29, 191, 115, 0.08);
}
.social-link.instagram:hover {
  color: #e1306c;
  border-color: rgba(225, 48, 108, 0.4);
  background: rgba(225, 48, 108, 0.08);
}

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

/* --- SERVICES & PORTFOLIO CARDS --- */
.services-grid,
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card,
.portfolio-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px var(--glass-shadow);
  border-radius: 1rem;
  transition: var(--transition);
}

.service-card {
  padding: 2.5rem;
}

.service-card:hover,
.portfolio-item:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
}
.service-card h3,
.portfolio-info h3 {
  margin-bottom: 1rem;
}
.service-card p,
.portfolio-info p {
  color: var(--text-secondary);
}

.portfolio-img {
  width: 100%;
  height: 200px;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-weight: bold;
  border-bottom: 1px solid var(--glass-border);
}

.portfolio-info {
  padding: 1.5rem;
}
.portfolio-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.tag {
  font-size: 0.75rem;
  background: rgba(79, 70, 229, 0.1);
  color: var(--accent);
  padding: 0.25rem 0.6rem;
  border-radius: 0.25rem;
  font-weight: 600;
}

/* --- CONTACT FORM --- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px var(--glass-shadow);
  padding: 2.5rem;
  border-radius: 1rem;
  width: 100%;
}

.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid var(--glass-border);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background-color: var(--glass-bg);
}

/* --- FOOTER --- */
footer {
  text-align: center;
  padding: 4rem 0;
  border-top: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.footer-socials a:hover {
  color: var(--accent);
}

/* --- RESPONSIVE MEDIA STYLES --- */
@media (max-width: 768px) {
  .nav-container {
    height: 80px;
  }
  .logo-img {
    height: 45px;
  }
  .logo-text {
    font-size: 1.3rem;
  }
  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 3rem 0;
    gap: 1.5rem;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 1px solid var(--glass-border);
    overflow-y: auto;
  }

  .nav-menu.active {
    left: 0;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero-btns {
    flex-direction: column;
  }
  .hero-btns .btn {
    width: 100%;
  }
}

/* --- SYSTEM FORCED CONTRAST ACCESSIBILITY OVERRIDES --- */
@media (forced-colors: active) {
  .navbar,
  .service-card,
  .portfolio-item,
  .contact-form,
  .btn,
  .social-link {
    background: canvas !important;
    border: 1px solid buttontext !important;
    backdrop-filter: none !important;
  }
}