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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0a0a0a;
  color: #e0e0e0;
  line-height: 1.7;
}

/* ===== NAVIGATION ===== */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 60px;
  background-color: #0a0a0a;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #1f1f1f;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: #00d4ff;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
}

nav ul a {
  text-decoration: none;
  color: #e0e0e0;
  font-size: 0.9rem;
  transition: color 0.3s;
}

nav ul a:hover {
  color: #00d4ff;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: #e0e0e0;
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== SECTIONS GENERAL ===== */
section {
  padding: 90px 60px;
  max-width: 1100px;
  margin: 0 auto;
}

section h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  color: #ffffff;
  position: relative;
  display: inline-block;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50px;
  height: 3px;
  background: #00d4ff;
  border-radius: 2px;
}

/* ===== HERO ===== */
#hero {
  min-height: 95vh;
  display: flex;
  align-items: center;
  padding: 0 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-greeting {
  font-size: 1.1rem;
  color: #00d4ff;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

#hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
  line-height: 1.2;
}

.hero-sub {
  font-size: 1.5rem;
  font-weight: 400;
  color: #aaaaaa;
  margin-bottom: 20px;
}

.hero-sub span {
  color: #00d4ff;
  font-weight: 600;
}

.hero-desc {
  font-size: 1.05rem;
  color: #bbbbbb;
  max-width: 620px;
  margin-bottom: 15px;
}

.hero-intro {
  font-size: 0.95rem;
  color: #888888;
  max-width: 620px;
  margin-bottom: 20px;
}

.hero-tagline {
  font-size: 1rem;
  color: #00d4ff;
  font-style: italic;
  margin-bottom: 35px;
  opacity: 0.8;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background-color: #00d4ff;
  color: #0a0a0a;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.3s, transform 0.2s;
}

.btn:hover {
  background-color: #00b8d9;
  transform: translateY(-2px);
}

.btn.outline {
  background: transparent;
  border: 2px solid #00d4ff;
  color: #00d4ff;
}

.btn.outline:hover {
  background: #00d4ff;
  color: #0a0a0a;
}

.btn.small {
  padding: 8px 18px;
  font-size: 0.82rem;
}

/* ===== ABOUT ===== */
.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  font-size: 1rem;
  color: #bbbbbb;
  margin-bottom: 16px;
  line-height: 1.9;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.stat {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  transition: border-color 0.3s;
}

.stat:hover {
  border-color: #00d4ff;
}

.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: #00d4ff;
}

.stat-label {
  font-size: 0.85rem;
  color: #888888;
}

/* ===== SKILLS ===== */
.skills-categories {
  display: flex;
  flex-direction: column;
  gap: 35px;
}

.skill-group h3 {
  font-size: 0.9rem;
  color: #888888;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 15px;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-card {
  background: #141414;
  border: 1px solid #2a2a2a;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #00d4ff;
  transition: border-color 0.3s, transform 0.2s;
}

.skill-card:hover {
  border-color: #00d4ff;
  transform: translateY(-3px);
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.project-card {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 28px;
  position: relative;
  transition: border-color 0.3s, transform 0.2s;
}

.project-card:hover {
  border-color: #00d4ff;
  transform: translateY(-5px);
}

.project-card.featured {
  border-color: #00d4ff33;
}

.project-badge {
  font-size: 0.75rem;
  color: #00d4ff;
  background: #00d4ff15;
  border: 1px solid #00d4ff33;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 12px;
}

.project-card h3 {
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 12px;
}

.project-card p {
  font-size: 0.9rem;
  color: #aaaaaa;
  margin-bottom: 18px;
  line-height: 1.7;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tags span {
  background: #1e1e1e;
  color: #00d4ff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  border: 1px solid #2a2a2a;
}

/* ===== VISION ===== */
.vision-content {
  max-width: 700px;
}

.vision-content p {
  font-size: 1.05rem;
  color: #bbbbbb;
  margin-bottom: 18px;
  line-height: 1.9;
  padding-left: 20px;
  border-left: 3px solid #00d4ff;
}

/* ===== RESUME ===== */
.resume-summary {
  font-size: 1rem;
  color: #aaaaaa;
  max-width: 700px;
  margin-bottom: 40px;
  line-height: 1.9;
}

.resume-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.resume-column h3 {
  font-size: 1rem;
  color: #ffffff;
  margin-bottom: 25px;
  padding-bottom: 10px;
  border-bottom: 1px solid #2a2a2a;
}

.resume-item {
  display: flex;
  flex-direction: column;
  margin-bottom: 25px;
}

.resume-title {
  font-size: 0.95rem;
  color: #ffffff;
  font-weight: 600;
}

.resume-place {
  font-size: 0.88rem;
  color: #00d4ff;
}

.resume-date {
  font-size: 0.8rem;
  color: #666666;
  margin-top: 2px;
}

.resume-desc {
  font-size: 0.85rem;
  color: #888888;
  margin-top: 5px;
  line-height: 1.6;
}

.resume-download {
  margin-top: 10px;
}

/* ===== CONTACT ===== */
.contact-intro {
  color: #aaaaaa;
  margin-bottom: 40px;
  font-size: 1rem;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
}

.contact-icon {
  font-size: 1.1rem;
}

.contact-item a {
  color: #00d4ff;
  text-decoration: none;
  transition: opacity 0.3s;
}

.contact-item a:hover {
  opacity: 0.7;
}

.contact-item span {
  color: #bbbbbb;
}

/* FORM */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-form input,
.contact-form textarea {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 14px 18px;
  color: #e0e0e0;
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color 0.3s;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #00d4ff;
}

.contact-form textarea {
  resize: vertical;
}

.form-success {
  display: none;
  color: #00d4ff;
  font-size: 0.88rem;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 40px 60px;
  border-top: 1px solid #1f1f1f;
  color: #555555;
  font-size: 0.85rem;
}

.footer-sub {
  margin-top: 6px;
  color: #444444;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-top: 15px;
}

.footer-links a {
  color: #555555;
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #00d4ff;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav {
    padding: 20px 25px;
  }

  nav ul {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  section {
    padding: 60px 25px;
  }

  #hero {
    padding: 60px 25px;
    min-height: 85vh;
  }

  #hero h1 {
    font-size: 2.1rem;
  }

  .hero-sub {
    font-size: 1.1rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-stats {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .stat {
    flex: 1;
    min-width: 100px;
  }

  .resume-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  footer {
    padding: 30px 25px;
  }
}