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

:root {
  --bg-color: #0a0b10;
  --bg-surface: rgba(25, 25, 30, 0.6);
  --text-primary: #f5f5f5;
  --text-secondary: #9ca3af;
  --accent: #00E5FF;
  --accent-glow: rgba(0, 229, 255, 0.4);
  
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none; /* Hide default cursor for custom one */
}

/* Custom Selection */
::selection {
  background-color: var(--accent);
  color: var(--bg-color);
}

/* Background Effects */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center center;
  mask-image: radial-gradient(ellipse at center, black 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 60%, transparent 100%);
  pointer-events: none;
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 40% 40%, rgba(0, 229, 255, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 60% 60%, rgba(138, 43, 226, 0.1) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
  animation: rotateGradient 40s linear infinite;
  transform-origin: center center;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  text-transform: uppercase;
  background: linear-gradient(to right, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: clamp(2rem, 5vw, 4rem);
}

h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  max-width: 65ch;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
  cursor: none;
}

/* Custom Cursor */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  transition: width 0.3s var(--transition-smooth), height 0.3s var(--transition-smooth), background-color 0.3s ease;
}

.cursor.hovered {
  width: 60px;
  height: 60px;
  background-color: #fff;
  mix-blend-mode: difference;
}

.cursor.hidden {
  opacity: 0;
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(5, 5, 5, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.4s var(--transition-smooth);
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  max-width: 1600px;
  margin: 0 auto;
}

.brand .logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
}

.menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.menu a {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  display: inline-block;
}

.menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: width 0.3s var(--transition-smooth);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: none;
  flex-direction: column;
  gap: 6px;
  z-index: 1001;
}

.menu-toggle .bar {
  width: 30px;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 5%;
  max-width: 1600px;
  margin: 0 auto;
  position: relative;
}

.hero-content {
  max-width: 1000px;
  z-index: 2;
}

.hero-subtitle {
  font-family: var(--font-heading);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bg-color);
  background-color: var(--text-primary);
  border-radius: 100px;
  border: none;
  cursor: none;
  transition: transform 0.3s var(--transition-smooth), box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.btn:hover {
  box-shadow: 0 0 20px var(--accent-glow);
}

.magnetic-wrap {
  display: inline-block;
}

/* Sections */
.section {
  padding: 8rem 5%;
  max-width: 1600px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-label {
  color: var(--accent);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
}

/* Glass Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 3rem 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.4s var(--transition-smooth), border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.06) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.15);
}

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

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #fff;
}

.card p {
  font-size: 1rem;
  margin: 0;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
}

.portfolio-item {
  display: block;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.portfolio-item .thumb {
  width: 100%;
  height: 100%;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--transition-smooth);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item .meta {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s var(--transition-smooth);
}

.portfolio-item:hover .meta {
  transform: translateY(0);
  opacity: 1;
}

.portfolio-item .meta strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

/* CV Grid */
.cv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.skills li {
  list-style: none;
  margin-bottom: 1.5rem;
}

.skills span {
  display: block;
  font-family: var(--font-heading);
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.skills .bar {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.skills .bar div {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transform-origin: left;
}

/* Forms */
.contact-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.field {
  position: relative;
}

.field label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.field input, .field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-family: var(--font-body);
  font-size: 1.25rem;
  padding: 0.5rem 0;
  transition: border-color 0.3s ease;
  cursor: none;
}

.field input:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}

.field-inline {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.field-inline input {
  width: 80px;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 1.25rem;
  padding: 0.5rem;
  text-align: center;
  cursor: none;
}

.field-inline input:focus {
  outline: none;
  border-bottom-color: var(--accent);
}

.note-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 2rem;
  border-radius: 12px;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

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

.cards > .reveal:nth-child(1) { transition-delay: 0.05s; }
.cards > .reveal:nth-child(2) { transition-delay: 0.15s; }
.cards > .reveal:nth-child(3) { transition-delay: 0.25s; }
.cards > .reveal:nth-child(4) { transition-delay: 0.35s; }
.cards > .reveal:nth-child(5) { transition-delay: 0.45s; }
.cards > .reveal:nth-child(6) { transition-delay: 0.55s; }
.cards > .reveal:nth-child(7) { transition-delay: 0.65s; }
.cards > .reveal:nth-child(8) { transition-delay: 0.75s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes icon-bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15) translateY(-4px); }
}

.card .card-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: inline-block;
  transition: transform 0.3s var(--transition-smooth), color 0.3s ease, filter 0.3s ease;
}

.card:hover .card-icon {
  animation: icon-bounce 0.6s ease;
  color: #fff;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

@keyframes shine {
  0% { left: -100%; }
  20% { left: 100%; }
  100% { left: 100%; }
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.4), transparent);
  transform: skewX(-20deg);
  animation: shine 5s infinite;
}

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--bg-color);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav__panel {
  text-align: center;
}

.menu-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1rem;
  cursor: none;
}

.mobile-nav__menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mobile-nav__menu a {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Footer */
.site-footer {
  padding: 4rem 5%;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 4rem;
}

.site-footer p {
  margin: 0;
  font-size: 0.875rem;
}

/* Media Queries */
@media (max-width: 1024px) {
  .cv-grid, .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.5rem; }
  
  .menu-desktop { display: none; }
  .menu-toggle { display: flex; }
  
  .cursor { display: none !important; }
  body, a, button, input, textarea { cursor: auto !important; }
  
  .cards { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  
  .section { padding: 4rem 5%; }
}