/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #121212;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.12);
  --text: #f0f0f0;
  --muted: #bdbdbd;
  --accent: #00adb5;
  --accent2: #008a9d;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 14px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  background-color: var(--bg);
  color: var(--text);
}

.container {
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Utility */
.muted { color: var(--muted); }
.center { text-align: center; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.card:hover {
  background: var(--panel2);
  border-color: rgba(255,255,255,0.18);
}

.section {
  padding: 4rem 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-header.centered {
  justify-content: center;
  flex-direction: column;
}

.section-header h2 {
  color: var(--accent);
  letter-spacing: 0.5px;
}

.divider {
  height: 1px;
  width: 100%;
  max-width: 720px;
  background: rgba(255,255,255,0.14);
}

/* Top Bar */
.top-bar {
  background-color: #1f1f1f;
  color: #bbb;
  padding: 0.35rem 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.top-bar__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.top-bar a {
  color: var(--accent);
  text-decoration: none;
}

.top-bar a:hover {
  color: #66f1f6;
}

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(31,31,31,0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.site-nav {
  padding: 0.75rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo a {
  color: var(--text);
  font-size: 1.55rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem 0.6rem;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--accent);
}

.hamburger {
  display: none;
  color: var(--text);
  font-size: 1.8rem;
  cursor: pointer;
}

/* Home / Hero Section */
.home-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text);
}

.home-section .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
}

.hero__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.25rem 0;
}

.hero__inner h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 0.75rem;
  letter-spacing: 0.2px;
}

.hero__inner p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: 1.5rem;
}

.hero__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  background-color: var(--accent);
  color: #121212;
  padding: 0.8rem 1.4rem;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  text-decoration: none;
  font-size: 1rem;
  transition: background-color 0.2s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  background-color: var(--accent2);
  transform: translateY(-1px);
}

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

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.10);
  color: var(--text);
}

.btn-sm {
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-size: 0.95rem;
}

/* About Section */
.about-section {
  background-color: #1f1f1f;
}

.about-content {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  align-items: center;
}

.about-image img {
  border-radius: 999px;
  width: 240px;
  height: 240px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
}

.about-text p {
  color: rgba(255,255,255,0.80);
  font-size: 1.02rem;
}

/* Resume Section */
.resume-section {
  background-color: #181818;
}

.resume-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.resume-block {
  padding: 1.25rem;
}

.resume-block h3 {
  margin-bottom: 1rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.resume-item h4 {
  margin-bottom: 0.35rem;
}

.resume-item p,
.resume-item span {
  color: rgba(255,255,255,0.72);
  font-size: 0.95rem;
}

.resume-item ul {
  list-style: disc;
  margin: 0.75rem 0 0.75rem 1.25rem;
  color: rgba(255,255,255,0.75);
}

/* Projects Section */
.projects-section {
  background-color: #1f1f1f;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.1rem;
}

.project-card {
  overflow: hidden;
}

.project-card img {
  width: 100%;
  height: 150px;
  object-fit: contain;
  background: rgba(0,0,0,0.25);
  padding: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.card-body {
  padding: 1rem;
}

.project-card h3 {
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-size: 1.05rem;
}

.project-card ul {
  margin: 0.75rem 0 0 1.25rem;
  list-style: disc;
  color: rgba(255,255,255,0.75);
}

/* Documents Section */
.documents-section {
  background-color: #1f1f1f;
}

.documents-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.document-card {
  padding: 1.25rem;
  text-align: center;
}

.document-card i {
  font-size: 2.6rem;
  margin-bottom: 0.65rem;
  color: #e74c3c;
}

.document-card p {
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
  color: var(--text);
}

/* Skills Section */
.skills-section {
  background-color: #121212;
}

.skills-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.skill-group {
  padding: 1.25rem;
  text-align: left;
}

.skill-group h3 {
  margin-bottom: 0.65rem;
  color: var(--accent);
}

/* Contact Section */
.contact-section {
  background-color: #1f1f1f;
}

#contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.25rem;
}

#contact-form input,
#contact-form textarea {
  padding: 0.85rem;
  border: 1px solid #333;
  border-radius: 10px;
  font-size: 1rem;
  background-color: rgba(0,0,0,0.25);
  color: var(--text);
}

#contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

#contact-form input:focus,
#contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* Footer */
footer {
  background-color: #1f1f1f;
  color: #bbb;
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.social-links a {
  color: #bbb;
  margin: 0 0.5rem;
  font-size: 1.2rem;
  transition: color 0.2s ease;
}

.social-links a:hover {
  color: var(--accent);
}

/* Responsive Styles */
@media (max-width: 1100px) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

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

  .skills-content {
    grid-template-columns: 1fr;
  }

  .documents-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background-color: #1f1f1f;
    position: absolute;
    top: 100%;
    right: 16px;
    width: 220px;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: var(--shadow);
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .top-bar__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}