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

:root {
  --bg:        #0a0a0f;
  --bg2:       #111118;
  --bg3:       #1a1a26;
  --accent:    #7c3aed;
  --accent2:   #06b6d4;
  --accent3:   #a855f7;
  --text:      #e2e8f0;
  --text2:     #94a3b8;
  --border:    rgba(124,58,237,0.25);
  --card:      rgba(26,26,38,0.85);
  --glow:      0 0 30px rgba(124,58,237,0.3);
  --radius:    14px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ===== SELECTION ===== */
::selection { background: var(--accent); color: #fff; }

/* ===== UTILITY ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 14px;
}
.section-title span { color: var(--accent2); }
.section-subtitle {
  text-align: center;
  color: var(--text2);
  margin-bottom: 60px;
  font-size: 1.05rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(124,58,237,0.6); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,15,0.95);
  backdrop-filter: blur(16px);
  padding: 12px 0;
  box-shadow: 0 1px 0 var(--border);
}
.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Poppins', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
}
.nav-logo span { color: var(--accent2); }
.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-weight: 500;
  color: var(--text2);
  transition: color var(--transition);
  font-size: 0.95rem;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent2);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 50%, rgba(124,58,237,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(6,182,212,0.08) 0%, transparent 50%),
              var(--bg);
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.15;
  animation: float linear infinite;
}
@keyframes float {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.15; }
  90% { opacity: 0.15; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero-content {
  display: flex;
  align-items: center;
  gap: 64px;
  max-width: 1100px;
  padding: 120px 24px 60px;
  z-index: 1;
  flex-wrap: wrap;
  justify-content: center;
}
.hero-photo-wrap { position: relative; flex-shrink: 0; }
.hero-photo-ring {
  width: 260px; height: 260px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: var(--glow);
  position: relative;
  animation: pulse-ring 3s ease-in-out infinite;
}
@keyframes pulse-ring {
  0%,100% { box-shadow: 0 0 30px rgba(124,58,237,0.4); }
  50%      { box-shadow: 0 0 50px rgba(6,182,212,0.5); }
}
.hero-photo, .hero-photo-placeholder {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
.hero-photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  font-size: 6rem;
  color: var(--accent);
}
.hero-photo-badge {
  position: absolute;
  bottom: 10px; right: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  border: 3px solid var(--bg);
  box-shadow: var(--glow);
}
.hero-text { max-width: 520px; }
.hero-greeting {
  color: var(--accent2);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 8px;
}
.hero-name {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 40%, var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-role {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 20px;
  min-height: 2rem;
}
.cursor {
  color: var(--accent2);
  animation: blink 0.8s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-desc {
  color: var(--text2);
  margin-bottom: 32px;
  font-size: 1rem;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-socials { display: flex; gap: 14px; }
.social-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--text2);
  transition: var(--transition);
}
.social-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 14px rgba(124,58,237,0.3);
}
.scroll-down {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  color: var(--text2);
  font-size: 1.3rem;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(10px)} }

/* ===== ABOUT ===== */
.about { background: var(--bg2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: center;
}
.about-photo-wrap { position: relative; }
.about-photo-frame {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
  position: relative;
  border: 2px solid var(--border);
  box-shadow: var(--glow);
}
.about-photo, .about-photo-placeholder {
  width: 100%; height: 100%;
  object-fit: cover;
}
.about-photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  font-size: 6rem;
  color: var(--accent);
}
.about-card-float {
  position: absolute;
  bottom: -20px; right: -20px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  padding: 14px 18px;
  border-radius: var(--radius);
  display: flex; align-items: center; gap: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--glow);
}
.about-text h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent2);
}
.about-text p {
  color: var(--text2);
  margin-bottom: 14px;
  font-size: 0.97rem;
}
.about-text strong { color: var(--text); }
.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0 28px;
}
.info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.9rem;
}
.info-label {
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.info-label i { color: var(--accent2); }

/* ===== SKILLS ===== */
.skills { background: var(--bg); }
.skills-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}
.skill-category {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.skill-category:hover { border-color: var(--accent); box-shadow: var(--glow); transform: translateY(-4px); }
.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.skill-cat-header i {
  font-size: 1.4rem;
  color: var(--accent2);
}
.skill-cat-header h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}
.skill-list { display: flex; flex-direction: column; gap: 16px; }
.skill-item { width: 100%; }
.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 0.88rem;
  color: var(--text2);
}
.skill-info span:last-child { color: var(--accent2); font-weight: 600; }
.skill-bar {
  height: 6px;
  background: var(--bg3);
  border-radius: 3px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.badge {
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text2);
  transition: var(--transition);
}
.badge i { color: var(--accent2); }
.badge:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}

/* ===== PROJECTS ===== */
.projects { background: var(--bg2); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(10px);
}
.project-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glow);
  transform: translateY(-6px);
}
.project-card.featured { border-color: var(--accent2); box-shadow: 0 0 20px rgba(6,182,212,0.2); }
.project-badge {
  position: absolute;
  top: 18px; right: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 1px;
}
.project-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(6,182,212,0.2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--accent2);
  border: 1px solid var(--border);
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project-tags span {
  background: rgba(124,58,237,0.15);
  color: var(--accent2);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 50px;
  border: 1px solid rgba(6,182,212,0.2);
}
.project-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
}
.project-card p { color: var(--text2); font-size: 0.88rem; line-height: 1.7; flex: 1; }
.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.project-year { font-size: 0.82rem; color: var(--text2); display: flex; align-items: center; gap: 6px; }
.project-year i { color: var(--accent2); }
.project-links { display: flex; gap: 10px; }
.project-link {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: var(--text2);
  transition: var(--transition);
}
.project-link:hover { border-color: var(--accent2); color: var(--accent2); }

/* ===== CONTACT ===== */
.contact { background: var(--bg2); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(6,182,212,0.2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--accent2);
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.contact-item h4 {
  font-weight: 600;
  margin-bottom: 2px;
  font-size: 0.95rem;
}
.contact-item p { color: var(--text2); font-size: 0.88rem; }
.contact-socials { display: flex; gap: 12px; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.88rem; font-weight: 500; color: var(--text2); }
.form-group input,
.form-group textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text2); opacity: 0.6; }
.form-status {
  text-align: center;
  font-size: 0.9rem;
  color: var(--accent2);
  min-height: 1.4rem;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 56px 0 28px;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.footer-brand p { color: var(--text2); font-size: 0.88rem; margin-top: 6px; }
.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  align-items: center;
}
.footer-links a { color: var(--text2); font-size: 0.9rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent2); }
.footer-socials { display: flex; gap: 14px; }
.footer-socials a {
  color: var(--text2);
  font-size: 1.2rem;
  transition: var(--transition);
}
.footer-socials a:hover { color: var(--accent2); transform: translateY(-2px); }
.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text2);
}
.footer-bottom i { color: var(--accent); }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 28px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--glow);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* ===== AOS-LIKE ANIMATIONS ===== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos="fade-right"] { transform: translateX(-40px); }
[data-aos="fade-left"]  { transform: translateX(40px); }
[data-aos="zoom-in"]    { transform: scale(0.9); }
[data-aos].aos-animate  { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .skills-categories { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 70%;
    height: 100vh;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
    font-size: 1.1rem;
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; z-index: 1001; position: relative; }

  .hero-content { flex-direction: column; text-align: center; gap: 40px; padding-top: 100px; }
  .hero-photo-ring { width: 200px; height: 200px; }
  .hero-btns { justify-content: center; }
  .hero-socials { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-card-float { bottom: -14px; right: -10px; }
  .about-info-grid { grid-template-columns: 1fr; }

  .skills-categories { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .section { padding: 70px 0; }
}