/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #16161f;
  --accent: #7c3aed;
  --accent2: #a855f7;
  --accent-glow: rgba(124, 58, 237, 0.3);
  --text: #f0f0f5;
  --text2: #a0a0b8;
  --text3: #6b6b85;
  --border: rgba(255,255,255,0.07);
  --card: rgba(255,255,255,0.04);
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ===== NAVBAR ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 4rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
}
.nav-logo span { color: var(--accent2); }

.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 0.55rem 1.4rem;
  border-radius: 50px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
}
.nav-cta:hover { background: var(--accent2); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  background: none; border: none;
  color: var(--text); font-size: 1.4rem;
  cursor: pointer;
}

/* MOBILE MENU */
.mobile-menu {
  display: none;
  position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
  background: var(--bg2);
  flex-direction: column;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  gap: 1.2rem;
}
.mobile-menu a {
  color: var(--text2); text-decoration: none;
  font-size: 1rem; font-weight: 500;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--text); }
.mobile-menu.open { display: flex; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  padding: 8rem 4rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute; top: -200px; left: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(124,58,237,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(168,85,247,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-bg-text {
  position: absolute;
  font-family: var(--font-head);
  font-size: clamp(80px, 15vw, 200px);
  font-weight: 800;
  color: rgba(124,58,237,0.04);
  letter-spacing: -0.02em;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  max-width: 1200px;
  width: 100%;
  z-index: 1;
}

.hero-left { flex: 1; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--accent2);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.6s ease both;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--text);
  animation: fadeInUp 0.7s 0.1s ease both;
}
.hero-name span {
  color: transparent;
  -webkit-text-stroke: 2px var(--accent2);
}

.hero-title {
  font-size: 1.15rem;
  color: var(--text2);
  margin: 1rem 0 1.2rem;
  animation: fadeInUp 0.7s 0.2s ease both;
}
.hero-title strong { color: var(--accent2); }

.hero-desc {
  font-size: 1rem;
  color: var(--text2);
  max-width: 500px;
  line-height: 1.8;
  margin-bottom: 2rem;
  animation: fadeInUp 0.7s 0.3s ease both;
}

.hero-btns {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.7s 0.4s ease both;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  border: none; cursor: pointer;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-primary.full-width { width: 100%; text-align: center; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  padding: 0.85rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent2);
}

.hero-stats {
  display: flex; align-items: center; gap: 2rem;
  animation: fadeInUp 0.7s 0.5s ease both;
}
.stat span {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  display: block;
}
.stat p { font-size: 0.78rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* HERO PHOTO */
.hero-right {
  flex: 0 0 420px;
  display: flex; justify-content: center;
  animation: fadeIn 1s 0.3s ease both;
}

.photo-frame {
  position: relative;
  width: 340px; height: 380px;
}

.hero-photo {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 24px;
  position: relative; z-index: 2;
  filter: grayscale(15%);
  transition: filter 0.3s;
}
.hero-photo:hover { filter: grayscale(0%); }

.photo-ring {
  position: absolute;
  top: -12px; left: -12px; right: -12px; bottom: -12px;
  border-radius: 32px;
  border: 2px solid var(--accent);
  opacity: 0.4;
  z-index: 1;
  animation: spin-slow 10s linear infinite;
}

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

.photo-dot {
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent2);
  z-index: 3;
}
.dot1 { top: -6px; right: 40px; }
.dot2 { bottom: 30px; left: -6px; background: var(--accent); }

.float-tag {
  position: absolute;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  z-index: 4;
  backdrop-filter: blur(10px);
  white-space: nowrap;
}
.tag1 { top: 30px; right: -50px; animation: float 3s ease-in-out infinite; }
.tag2 { top: 50%; right: -45px; animation: float 3s ease-in-out infinite 1s; }
.tag3 { bottom: 50px; right: -75px; animation: float 3s ease-in-out infinite 2s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.scroll-hint {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: 0.5rem;
  color: var(--text3);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: fadeIn 1s 1s ease both;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: grow 2s ease-in-out infinite;
}
@keyframes grow {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(1.5); opacity: 0.5; }
}

/* ===== SECTIONS ===== */
.section { padding: 7rem 4rem; }

.container { max-width: 1200px; margin: 0 auto; }

.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent2);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 3rem;
}

/* ===== ABOUT ===== */
.about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-text h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text);
}
.about-text h2 em {
  font-style: italic;
  color: var(--accent2);
}

.about-text p {
  color: var(--text2);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.8;
}

.about-highlights {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 2rem;
}
.highlight {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 0.45rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text2);
  transition: all 0.2s;
}
.highlight:hover {
  border-color: var(--accent);
  color: var(--accent2);
}

/* CODE BLOCK */
.code-block {
  background: #0d0d14;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.code-header {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.code-filename {
  margin-left: 0.5rem;
  font-size: 0.78rem;
  color: var(--text3);
  font-family: monospace;
}
.code-content {
  padding: 1.5rem;
  font-family: 'Courier New', monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  color: #abb2bf;
  overflow-x: auto;
}
.kw { color: #c678dd; }
.cls { color: #e5c07b; }
.str { color: #98c379; }
.num { color: #d19a66; }

/* ===== SKILLS ===== */
.skills { background: var(--bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.skill-card:hover {
  border-color: rgba(124,58,237,0.3);
  transform: translateY(-4px);
  background: rgba(124,58,237,0.05);
}
.skill-card:hover::before { opacity: 1; }

.skill-card.featured {
  border-color: rgba(124,58,237,0.3);
  background: rgba(124,58,237,0.07);
}
.skill-card.featured::before { opacity: 1; }

.skill-icon { font-size: 2rem; margin-bottom: 1rem; }
.skill-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}
.skill-card ul { list-style: none; }
.skill-card ul li {
  color: var(--text2);
  font-size: 0.9rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border);
}
.skill-card ul li:last-child { border-bottom: none; }

/* ===== PROJECTS ===== */
.projects { background: var(--bg2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  position: relative;
  transition: all 0.3s;
  overflow: hidden;
}
.project-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transition: transform 0.3s;
}
.project-card:hover {
  border-color: rgba(124,58,237,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.project-card:hover::after { transform: scaleX(1); }

.project-number {
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(124,58,237,0.08);
  position: absolute; top: 1rem; right: 1.5rem;
  line-height: 1;
}

.project-badge {
  display: inline-block;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: #22c55e;
  padding: 0.25rem 0.8rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.project-badge.in-progress {
  background: rgba(251,191,36,0.1);
  border-color: rgba(251,191,36,0.3);
  color: #fbbf24;
}

.project-card h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.8rem;
  line-height: 1.3;
}
.project-card p {
  color: var(--text2);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.project-tags {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin-bottom: 1.2rem;
}
.project-tags span {
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  color: var(--accent2);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: 50px;
}

.project-features { list-style: none; }
.project-features li {
  color: var(--text2);
  font-size: 0.88rem;
  padding: 0.25rem 0;
}

/* ===== CONTACT ===== */
.contact { background: var(--bg); }

.contact-sub {
  color: var(--text2);
  font-size: 1rem;
  margin-bottom: 3rem;
  max-width: 500px;
  margin-top: -1.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }

.contact-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all 0.2s;
}
.contact-item:hover {
  border-color: rgba(124,58,237,0.3);
  background: rgba(124,58,237,0.05);
}
.contact-icon { font-size: 1.3rem; margin-top: 2px; }
.contact-label {
  font-size: 0.75rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}
.contact-item a, .contact-item span {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.contact-item a:hover { color: var(--accent2); }

/* FORM */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text3); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }

.form-success {
  display: none;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: #22c55e;
  padding: 1rem;
  border-radius: 12px;
  font-size: 0.9rem;
  text-align: center;
}
.form-success.show { display: block; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2rem 4rem;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-logo {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
}
.footer-logo span { color: var(--accent2); }
.footer p { color: var(--text3); font-size: 0.85rem; }
.footer-links a {
  color: var(--text3);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent2); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* REVEAL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-right { flex: 0 0 320px; }
  .photo-frame { width: 280px; height: 320px; }
  .tag1, .tag2, .tag3 { display: none; }
}

@media (max-width: 768px) {
  .nav { padding: 1rem 1.5rem; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }

  .hero { padding: 6rem 1.5rem 4rem; }
  .hero-content { flex-direction: column-reverse; gap: 2.5rem; text-align: center; }
  .hero-left { display: flex; flex-direction: column; align-items: center; }
  .hero-desc { text-align: center; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-right { flex: none; width: 100%; justify-content: center; }
  .photo-frame { width: 240px; height: 280px; }

  .section { padding: 4rem 1.5rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }

  .footer { padding: 1.5rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr; }
  .hero-name { font-size: 2.8rem; }
}