@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- DESIGN SYSTEM --- */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Colors */
  --bg-dark: #07090e;
  --bg-dark-accent: #0f131e;
  --color-primary: #00f2fe;    /* Electric Cyan */
  --color-secondary: #9b51e0;  /* Royal Violet */
  --color-gradient: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --color-gradient-hover: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dark: #4b5563;

  /* Glassmorphism */
  --glass-bg: rgba(15, 19, 30, 0.45);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-glow: rgba(0, 242, 254, 0.15);
  --glass-glow-violet: rgba(155, 81, 224, 0.15);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Background Ambient Glows */
.ambient-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.4;
  animation: float-glow 15s ease-in-out infinite alternate;
}

.glow-1 {
  top: 10%;
  left: -10%;
  background: var(--color-primary);
}

.glow-2 {
  top: 50%;
  right: -10%;
  background: var(--color-secondary);
  animation-delay: -5s;
}

.glow-3 {
  bottom: 10%;
  left: 20%;
  background: var(--color-primary);
  animation-delay: -10s;
}

@keyframes float-glow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(80px, 50px) scale(1.2);
  }
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

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

section {
  padding: 100px 24px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

/* --- TYPOGRAPHY & UTILITIES --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 50px;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-gradient);
  margin: 12px auto 0;
  border-radius: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
}

.btn-primary {
  background: var(--color-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  background: var(--color-gradient-hover);
  box-shadow: 0 6px 20px rgba(155, 81, 224, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* Glass Card Base Style */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: 0 10px 30px var(--glass-glow);
}

/* --- HEADER / NAVIGATION --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-normal);
}

header.scrolled {
  background: rgba(7, 9, 14, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 8px;
  background: var(--color-gradient);
  color: #fff;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gradient);
  transition: width var(--transition-fast);
}

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

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

/* Mobile Nav Toggle */
.menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1100;
}

.menu-btn span {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  transition: all var(--transition-fast);
}

/* --- HERO SECTION --- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-content h4 {
  font-size: 1.1rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}

.typewriter-text {
  border-right: 2px solid var(--color-primary);
  white-space: nowrap;
  animation: blink 0.75s step-end infinite;
}

@keyframes blink {
  from, to { border-color: transparent }
  50% { border-color: var(--color-primary); }
}

.hero-actions {
  display: flex;
  gap: 16px;
}

/* Floating Art / Graphic */
.hero-graphic {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.graphic-container {
  width: 320px;
  height: 320px;
  position: relative;
}

.graphic-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background: var(--color-gradient);
  opacity: 0.15;
  filter: blur(20px);
  animation: morphing 10s ease-in-out infinite alternate;
}

.avatar-border {
  position: absolute;
  top: -10px;
  left: -10px;
  width: calc(100% + 20px);
  height: calc(100% + 20px);
  border-radius: 50%;
  border: 2px dashed rgba(0, 242, 254, 0.4);
  animation: rotate-dashed 20s linear infinite;
}

.avatar-img-wrapper {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  background: var(--bg-dark-accent);
  position: relative;
  z-index: 2;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--color-primary);
  background: linear-gradient(135deg, rgba(15, 19, 30, 0.8) 0%, rgba(7, 9, 14, 0.9) 100%);
}

.avatar-placeholder svg {
  width: 80px;
  height: 80px;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 10px rgba(0,242,254,0.4));
  animation: pulse-svg 3s ease-in-out infinite;
}

.avatar-placeholder span {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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

@keyframes pulse-svg {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 1; }
}

/* --- ABOUT SECTION --- */
.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.about-info-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.info-card {
  padding: 24px;
  text-align: center;
}

.info-card svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.info-card h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.info-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.about-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.detail-item {
  display: flex;
  gap: 12px;
}

.detail-item strong {
  color: var(--color-primary);
}

/* --- SKILLS SECTION --- */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.skills-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 30px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-btn:hover, .filter-btn.active {
  border-color: var(--color-primary);
  color: var(--text-main);
  background: rgba(0, 242, 254, 0.08);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.skill-category {
  padding: 30px;
}

.skill-category h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-category h3 svg {
  color: var(--color-primary);
  width: 24px;
  height: 24px;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.skill-item-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-weight: 500;
}

.skill-progress-bg {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  overflow: hidden;
}

.skill-progress-bar {
  height: 100%;
  background: var(--color-gradient);
  border-radius: 4px;
  width: 0; /* Animated via JS */
  transition: width 1.5s cubic-bezier(0.1, 0.8, 0.3, 1);
}

/* --- PROJECTS SECTION --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 30px;
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #161a29 0%, #0d101a 100%);
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
}

.project-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--text-muted);
  position: relative;
  transition: transform var(--transition-normal);
}

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

.project-img-placeholder svg {
  width: 60px;
  height: 60px;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.15);
  transition: var(--transition-normal);
}

.project-card:hover .project-img-placeholder svg {
  color: var(--color-primary);
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.4));
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 9, 14, 0.85);
  opacity: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  transition: opacity var(--transition-normal);
  backdrop-filter: blur(4px);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-dark-accent);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all var(--transition-fast);
}

.project-btn:hover {
  background: var(--color-primary);
  color: var(--bg-dark);
  box-shadow: 0 0 15px var(--color-primary);
  transform: translateY(-2px);
}

.project-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tech {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.tech-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(0, 242, 254, 0.08);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(0, 242, 254, 0.15);
}

.project-content h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.project-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-links {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
  font-weight: 500;
  border-top: 1px solid var(--glass-border);
  padding-top: 16px;
}

.project-links a {
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-links a:hover {
  color: var(--color-primary);
}

/* --- CONTACT SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-card {
  padding: 30px;
  display: flex;
  gap: 20px;
  align-items: center;
}

.contact-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.15);
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-details-text h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.contact-details-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Form Styling */
.contact-form-container {
  padding: 40px;
}

.form-group {
  position: relative;
  margin-bottom: 28px;
}

.form-input {
  width: 100%;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

.form-label {
  position: absolute;
  top: 18px;
  left: 16px;
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
  transition: all var(--transition-normal);
}

.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -10px;
  left: 12px;
  font-size: 0.75rem;
  background: var(--bg-dark-accent);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--color-primary);
  border: 1px solid var(--glass-border);
}

textarea.form-input {
  resize: vertical;
  min-height: 150px;
}

.submit-btn {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
}

/* --- FOOTER --- */
footer {
  border-top: 1px solid var(--glass-border);
  background: rgba(7, 9, 14, 0.9);
  padding: 40px 24px;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.social-links {
  display: flex;
  gap: 20px;
}

.social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all var(--transition-normal);
}

.social-icon:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-gradient);
  border: none;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 99;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(155, 81, 224, 0.4);
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 992px) {
  h1 { font-size: 2.8rem; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-graphic {
    order: -1;
  }
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 20px;
  }
  
  .menu-btn {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(7, 9, 14, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--glass-border);
    flex-direction: column;
    justify-content: center;
    gap: 40px;
    transition: right var(--transition-normal);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links-open .menu-btn span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }
  
  .nav-links-open .menu-btn span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-links-open .menu-btn span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  
  .about-details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 2.2rem; }
  .graphic-container {
    width: 260px;
    height: 260px;
  }
  .contact-form-container {
    padding: 24px 16px;
  }
}