:root {
  --navy-deep: #060e1a;
  --navy: #0a192f;
  --navy-light: #112240;
  --navy-lighter: #1a2d4a;
  --gold: #ffd700;
  --gold-bright: #ffed4a;
  --gold-dim: #c9a800;
  --text-light: #e6f1ff;
  --text-gray: #8892b0;
  --text-dark: #334155;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --border-radius: 16px;
  --border-radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0,0,0,0.5);
  --shadow-light: 0 5px 20px rgba(0,0,0,0.08);
  --shadow-gold: 0 10px 40px rgba(255,215,0,0.15);
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) var(--navy-deep);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy-deep); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--navy-deep);
  color: var(--text-gray);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

.section-padding { padding: 120px 0; }
.bg-dark { background-color: var(--navy); }

.gold-text { color: var(--gold); }

/* ===== PRELOADER ===== */
.preloader {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: var(--navy-deep);
  z-index: 99999;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; }
.loader {
  width: 50px; height: 50px;
  border: 3px solid rgba(255,215,0,0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== CUSTOM CURSOR ===== */
.cursor {
  width: 8px; height: 8px; background: var(--gold);
  border-radius: 50%; position: fixed; z-index: 9999;
  pointer-events: none; transform: translate(-50%, -50%);
}
.cursor-follower {
  width: 36px; height: 36px; border: 2px solid var(--gold);
  border-radius: 50%; position: fixed; z-index: 9998;
  pointer-events: none; transform: translate(-50%, -50%);
  transition: transform 0.15s ease;
}
@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor, .cursor-follower { display: none; }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 { color: var(--text-light); font-weight: 700; line-height: 1.2; }

.section-title {
  font-size: 3rem; margin-bottom: 4rem; text-align: center;
  position: relative; color: var(--text-light);
}
.section-title::after {
  content: ''; display: block; width: 80px; height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
  margin: 1rem auto 0; border-radius: 2px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px;
  font-weight: 600; font-size: 0.95rem; letter-spacing: 0.5px;
  transition: var(--transition); cursor: pointer; border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  color: var(--navy-deep); box-shadow: 0 8px 25px rgba(255,215,0,0.3);
}
.btn-primary:hover {
  transform: translateY(-3px); box-shadow: 0 15px 35px rgba(255,215,0,0.5);
}
.btn-outline {
  background: transparent; color: var(--gold);
  border: 2px solid var(--gold);
}
.btn-outline:hover {
  background: var(--gold); color: var(--navy-deep); transform: translateY(-3px);
}
.btn-small {
  padding: 10px 24px; font-size: 0.85rem;
  background: var(--navy-light); color: var(--gold);
  border: 1px solid var(--gold); border-radius: 25px;
}
.btn-small:hover { background: var(--gold); color: var(--navy-deep); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  background: rgba(6,14,26,0.9); backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,215,0,0.1); padding: 18px 0;
  transition: var(--transition-fast);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 30px;
}
.logo {
  font-size: 1.5rem; font-weight: 800; color: var(--white);
  display: flex; align-items: center; gap: 8px;
}
.logo-icon { font-size: 1.4rem; }
.logo-highlight { color: var(--gold); }
.nav-menu { display: flex; gap: 2.2rem; }
.nav-link {
  font-weight: 500; color: var(--text-gray);
  transition: var(--transition); position: relative; padding-bottom: 4px;
  font-size: 0.95rem;
}
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--gold);
  transition: var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; }
.bar {
  width: 28px; height: 3px; background: var(--gold);
  border-radius: 5px; transition: var(--transition-fast);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--navy-deep); position: relative; overflow: hidden;
  padding-top: 80px;
}
.hero::before {
  content: ''; position: absolute; top: -30%; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(255,215,0,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 30px;
  width: 100%; gap: 3rem; position: relative; z-index: 1;
}
.hero-badge {
  display: inline-block; background: rgba(255,215,0,0.1);
  color: var(--gold); padding: 8px 20px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 500; margin-bottom: 1.5rem;
  border: 1px solid rgba(255,215,0,0.2);
}
.hero-text h1 {
  font-size: 5rem; font-weight: 900; color: var(--text-light);
  margin-bottom: 0.5rem; line-height: 1;
}
.subtitle { font-size: 1.3rem; color: var(--gold); margin-bottom: 1rem; font-weight: 500; min-height: 2rem; }
.typing-text { border-right: 3px solid var(--gold); padding-right: 6px; animation: blink 0.7s infinite; }
@keyframes blink { 50% { border-color: transparent; } }
.tagline { font-size: 1.05rem; color: var(--text-gray); max-width: 550px; margin-bottom: 2rem; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-stats { display: flex; gap: 3rem; }
.stat-number { display: block; font-size: 2.2rem; font-weight: 800; color: var(--gold); }
.stat-label { font-size: 0.85rem; color: var(--text-gray); }
.hero-image { flex-shrink: 0; }
.image-wrapper { position: relative; width: 280px; height: 280px; }
.hero-avatar-img {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
  border: 4px solid var(--gold); position: relative; z-index: 2;
  box-shadow: 0 0 60px rgba(255,215,0,0.25);
  transition: var(--transition);
}
.image-border {
  position: absolute; top: -10px; left: -10px;
  width: calc(100% + 20px); height: calc(100% + 20px);
  border-radius: 50%; border: 2px dashed var(--gold);
  animation: rotate 20s linear infinite; z-index: 1; opacity: 0.5;
}
@keyframes rotate { to { transform: rotate(360deg); } }
.image-wrapper:hover .hero-avatar-img { transform: scale(1.05); box-shadow: 0 0 80px rgba(255,215,0,0.4); }
.scroll-indicator {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-gray); font-size: 0.8rem; animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

/* ===== ABOUT ===== */
.about { background: var(--bg-light); }
.about .section-title { color: var(--navy-deep); }
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: center; }
.about-image { display: flex; justify-content: center; }
.about-image-wrapper { position: relative; }
.about-avatar-img {
  width: 300px; height: 300px; border-radius: 50%; object-fit: cover;
  border: 4px solid var(--gold); box-shadow: var(--shadow-gold);
  transition: var(--transition);
}
.about-avatar-img:hover { transform: scale(1.05); }
.experience-badge {
  position: absolute; bottom: 10px; right: 10px;
  background: var(--navy-deep); color: var(--gold);
  padding: 10px 16px; border-radius: 50px; text-align: center;
  border: 2px solid var(--gold); font-weight: 700; line-height: 1.2;
}
.experience-badge span { font-size: 1.4rem; display: block; }
.about-text p { font-size: 1rem; color: var(--text-dark); margin-bottom: 1.2rem; line-height: 1.9; }
.about-text strong { color: var(--navy-deep); }
.about-intro { font-size: 1.05rem !important; }
.highlight-box {
  background: var(--navy-deep); color: var(--text-light);
  padding: 28px; border-radius: var(--border-radius);
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  box-shadow: var(--shadow); margin-top: 1.5rem;
}
.highlight-item { font-size: 0.95rem; }
.highlight-item strong { color: var(--gold); }

/* ===== EDUCATION TIMELINE ===== */
.education { background: var(--navy); }
.education .section-title { color: var(--text-light); }
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; background: rgba(255,215,0,0.3); transform: translateX(-50%);
}
.timeline-item { display: flex; align-items: flex-start; margin-bottom: 3rem; position: relative; }
.timeline-item:nth-child(odd) { flex-direction: row; padding-right: calc(50% + 30px); }
.timeline-item:nth-child(even) { flex-direction: row-reverse; padding-left: calc(50% + 30px); }
.timeline-dot {
  position: absolute; left: 50%; top: 10px;
  width: 16px; height: 16px; background: var(--gold);
  border-radius: 50%; transform: translateX(-50%);
  box-shadow: 0 0 20px rgba(255,215,0,0.5); z-index: 2;
}
.timeline-content {
  background: var(--navy-light); padding: 24px; border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255,215,0,0.15); flex: 1;
  transition: var(--transition);
}
.timeline-content:hover { border-color: var(--gold); transform: translateY(-5px); box-shadow: var(--shadow-gold); }
.timeline-date { display: inline-block; background: rgba(255,215,0,0.15); color: var(--gold); padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; margin-bottom: 0.5rem; }
.timeline-content h3 { color: var(--white); margin-bottom: 0.5rem; font-size: 1.15rem; }

/* ===== ACHIEVEMENTS ===== */
.achievements { background: var(--bg-light); }
.achievements .section-title { color: var(--navy-deep); }
.achievement-featured {
  background: linear-gradient(135deg, var(--navy-deep), var(--navy-light));
  color: var(--text-light); padding: 36px; border-radius: var(--border-radius);
  margin-bottom: 3rem; border: 1px solid rgba(255,215,0,0.25);
  box-shadow: var(--shadow);
}
.achievement-badge {
  display: inline-block; background: var(--gold); color: var(--navy-deep);
  padding: 6px 18px; border-radius: 20px; font-weight: 700; font-size: 0.85rem;
  margin-bottom: 1rem;
}
.achievement-featured h3 { color: var(--gold); font-size: 1.5rem; margin-bottom: 1rem; }
.achievement-featured p { margin-bottom: 0.8rem; font-size: 1rem; }
.achievements-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; }
.achievement-card {
  background: white; padding: 30px; border-radius: var(--border-radius-sm);
  text-align: center; box-shadow: var(--shadow-light);
  transition: var(--transition); border: 1px solid #e2e8f0;
}
.achievement-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-gold); border-color: var(--gold); }
.achievement-icon { font-size: 3rem; margin-bottom: 1rem; }
.achievement-card h3 { color: var(--navy-deep); margin-bottom: 0.6rem; font-size: 1.15rem; }
.achievement-card p { color: var(--text-dark); font-size: 0.9rem; }

/* ===== SKILLS ===== */
.skills { background: var(--navy); }
.skills .section-title { color: var(--text-light); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 2rem; }
.skill-card {
  background: var(--navy-light); padding: 32px 24px; border-radius: var(--border-radius-sm);
  text-align: center; transition: var(--transition);
  border: 1px solid rgba(255,215,0,0.1); box-shadow: var(--shadow);
}
.skill-card:hover { transform: translateY(-10px); border-color: var(--gold); box-shadow: var(--shadow-gold); }
.skill-icon { font-size: 2.8rem; color: var(--gold); margin-bottom: 1rem; }
.skill-card h3 { color: var(--gold); margin-bottom: 0.5rem; font-size: 1.2rem; }
.skill-card p { color: var(--text-gray); font-size: 0.9rem; }

/* ===== PROJECTS ===== */
.projects { background: var(--bg-light); }
.projects .section-title { color: var(--navy-deep); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.project-card {
  background: white; border-radius: var(--border-radius-sm); padding: 30px;
  box-shadow: var(--shadow-light); transition: var(--transition);
  border: 1px solid #e2e8f0; display: flex; flex-direction: column;
}
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-gold); border-color: var(--gold); }
.project-info h3 { color: var(--navy-deep); margin-bottom: 0.75rem; font-size: 1.25rem; }
.project-info p { color: var(--text-dark); font-size: 0.95rem; margin-bottom: 1.5rem; flex-grow: 1; }
.tag {
  display: inline-block; background: var(--navy-deep); color: var(--gold);
  padding: 6px 16px; border-radius: 20px; font-size: 0.8rem;
  font-weight: 600; margin-bottom: 1.2rem; letter-spacing: 0.5px;
}
.project-card .btn-small { align-self: flex-start; margin-top: auto; }

/* ===== CONTACT ===== */
.contact { background: var(--navy); }
.contact .section-title { color: var(--text-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: start; }
.contact-info h3 { font-size: 1.6rem; margin-bottom: 1.5rem; color: var(--gold); }
.contact-info ul li { display: flex; align-items: center; gap: 14px; margin-bottom: 1.3rem; font-size: 1.05rem; color: var(--text-gray); }
.contact-icon { font-size: 1.3rem; color: var(--gold); width: 24px; text-align: center; }
.contact-info a { color: var(--text-light); transition: var(--transition); font-weight: 500; }
.contact-info a:hover { color: var(--gold); }
.contact-form form {
  background: var(--navy-light); padding: 36px;
  border-radius: var(--border-radius-sm); box-shadow: var(--shadow);
  border: 1px solid rgba(255,215,0,0.15);
}
.form-group { margin-bottom: 1.3rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--text-light); font-size: 0.9rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 18px; background: var(--navy);
  border: 1px solid rgba(255,215,0,0.2); border-radius: var(--border-radius-sm);
  color: var(--text-light); font-family: inherit; font-size: 0.95rem;
  transition: var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(255,215,0,0.1);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--navy-deep); text-align: center;
  padding: 3rem 0; border-top: 1px solid rgba(255,215,0,0.15);
}
.footer-content { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.footer-logo { font-size: 1.4rem; font-weight: 800; color: var(--white); }
.footer-tagline { color: var(--text-gray); font-size: 0.9rem; margin-bottom: 0.5rem; }
.footer p { color: var(--text-gray); font-size: 0.85rem; }
.footer-design { font-style: italic; color: var(--gold-dim); font-weight: 500; }
.footer-links { margin-top: 1rem; display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.footer-links a { color: var(--gold); font-weight: 600; transition: var(--transition); display: flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: #fff; }

/* ===== ANIMATIONS ===== */
.reveal-left, .reveal-right, .reveal-up, .reveal-text {
  opacity: 0; transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-left { transform: translateX(-60px); }
.reveal-right { transform: translateX(60px); }
.reveal-up { transform: translateY(60px); }
.reveal-text { transform: translateY(40px); }
.reveal-left.active, .reveal-right.active, .reveal-up.active, .reveal-text.active {
  opacity: 1; transform: translate(0);
}

.animate-slide-up { opacity: 0; transform: translateY(30px); animation: slideUp 0.8s forwards; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }
@keyframes slideUp { to { opacity: 1; transform: translateY(0); } }
.animate-scale-in { animation: scaleIn 1s 0.3s both; }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.8); } to { opacity: 1; transform: scale(1); } }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-content { flex-direction: column-reverse; text-align: center; }
  .hero-text h1 { font-size: 3.2rem; }
  .tagline { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .highlight-box { grid-template-columns: 1fr; }
  .timeline::before { left: 20px; }
  .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
    flex-direction: row; padding-left: 50px; padding-right: 0;
  }
  .timeline-dot { left: 20px; }
  .contact-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 2.2rem; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed; left: -100%; top: 75px;
    flex-direction: column; background: rgba(6,14,26,0.98);
    width: 100%; text-align: center; transition: 0.4s;
    padding: 2rem 0; gap: 1.5rem; backdrop-filter: blur(10px);
  }
  .nav-menu.active { left: 0; }
  .hamburger { display: flex; }
  .hamburger.active .bar:nth-child(2) { opacity: 0; }
  .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .hero-text h1 { font-size: 2.5rem; }
  .image-wrapper { width: 220px; height: 220px; }
  .about-avatar-img { width: 240px; height: 240px; }
  .projects-grid { grid-template-columns: 1fr; }
  .section-padding { padding: 80px 0; }
}

@media (max-width: 480px) {
  .hero-text h1 { font-size: 2rem; }
  .subtitle { font-size: 1rem; }
  .image-wrapper { width: 180px; height: 180px; }
  .about-avatar-img { width: 200px; height: 200px; }
  .hero-stats { gap: 1.5rem; }
  .stat-number { font-size: 1.6rem; }
  .section-title { font-size: 1.8rem; }
}