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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-primary);
  line-height: var(--lh-body);
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal);
}

body.menu-open {
  overflow: hidden;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.project-link:focus-visible,
.contact-item:focus-visible {
  outline: 2px solid var(--accent-primary) !important;
  outline-offset: 4px !important;
  box-shadow: 0 0 0 4px var(--accent-glow) !important;
  border-radius: var(--radius-sm);
}

.bg-lines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.bg-lines span {
  position: absolute;
  top: -60px;
  width: 2px;
  height: 60px;
  background: rgba(124, 124, 124, 0.12);
  animation: drop 2.5s linear infinite;
  opacity: 0;
  will-change: transform;
}

@keyframes drop {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 0.4;
  }
  100% {
    transform: translate3d(0, 120vh, 0);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-lines span,
  .about-image img,
  .status-dot {
    animation: none !important;
  }
  .sections {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ------------------------------------------------------
  HEADER & NAVIGATION
------------------------------------------------------ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  backdrop-filter: var(--blur-lg);
  background: var(--bg-overlay);
  border-bottom: 1px solid var(--border-color);
  transition:
    padding var(--transition-slow),
    background var(--transition-slow),
    box-shadow var(--transition-slow);
}

.header.scrolled {
  padding: 0.7rem 0;
  background: var(--bg-overlay);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--container-width);
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-primary);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-tight);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  position: relative;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-normal);
  font-family: var(--font-primary);
  font-weight: var(--fw-medium);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  width: 0;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transform: translateX(-50%);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn svg {
  margin: 0;
  fill: var(--text-primary);
  transition: fill var(--transition-normal);
}

.icon-btn:hover svg {
  fill: var(--color-primary);
}

.resume-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: var(--fw-semibold);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.resume-btn svg {
  margin: 0;
  fill: #ffffff;
  transition:
    fill var(--transition-slow),
    transform var(--transition-slow);
}

.resume-btn:hover {
  transform: translateY(-2px);
  background: var(--color-primary-hover);
  color: #ffffff;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  width: 100%;
}

/* ------------------------------------------------------
  PROGRESS BAR
------------------------------------------------------ */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 9999;
  background: var(--color-primary);
}

/* ------------------------------------------------------
  SECTION BASE
------------------------------------------------------ */
.sections {
  padding: var(--header-height) var(--section-spacing);
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sections.visible {
  opacity: 1;
  transform: translateY(0px);
}

.section-title {
  font-family: var(--font-primary);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin: 2rem 0 2rem 0;
}

/* ------------------------------------------------------
  HERO
------------------------------------------------------ */
.hero {
  margin-top: 2rem;
}

.hero-content {
  will-change: transform;
  transition: transform var(--transition-fast);
}

.hero-title {
  font-family: var(--font-primary);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin: 0;
}

.hero-title span:last-child {
  color: var(--color-primary);
}

.hero-subtitle {
  font-family: var(--font-primary);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin: 1rem 0;
}

.hero-tagline {
  font-size: var(--fs-lg);
  color: var(--text-secondary);
  margin: 1rem 0 2rem 0;
}

.hero-links {
  display: flex;
  gap: 20px;
}

/* ------------------------------------------------------
  BUTTONS
------------------------------------------------------ */
.btn {
  display: inline-block;
  padding: 12px 26px;
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--transition-normal),
    color var(--transition-normal),
    background var(--transition-normal);
}

.btn.primary {
  background: var(--color-primary);
  border: 2px solid var(--color-primary);
  color: #ffffff;
}

.btn.secondary {
  border: 2px solid var(--border-hover);
  color: var(--text-primary);
  background: var(--bg-surface);
}

.btn:hover {
  transform: translateY(-4px);
}

.btn::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: currentColor;
  transition: width var(--transition-slow);
}

.btn:hover::after {
  width: 100%;
}

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

.btn.secondary:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ------------------------------------------------------
  ABOUT
------------------------------------------------------ */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
}

.about-content {
  display: flex;
  flex-direction: column;
}

.about-description {
  font-family: var(--font-primary);
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: var(--lh-body);
  padding: var(--space-2) 0;
}

.about-image img {
  border-radius: var(--radius-2xl);
  aspect-ratio: 285 /390; width: 100%; height: auto;
  display: block;
  margin: 0 auto;
  animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
  100% {
    transform: translateY(0px);
  }
}

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

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.skill-category {
  background: var(--bg-secondary);
  padding: 30px;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  transform-style: preserve-3d;
  position: relative;
  overflow: hidden;
}

.skill-category:hover {
  transform: translateY(-10px) rotateX(6deg) rotateY(-6deg);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.skill-category::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -40%;
  width: 180%;
  height: 180%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.skill-category:hover::before {
  opacity: 1;
}

.skill-title {
  font-family: var(--font-primary);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: 12px;
  transition: color var(--transition-normal);
}

.skill-category:hover .skill-title {
  color: var(--color-primary);
}

.skill-description {
  font-family: var(--font-primary);
  color: var(--text-secondary);
  line-height: var(--lh-body);
  margin-bottom: 20px;
}

.skill-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-list li {
  margin-bottom: 8px;
  font-family: var(--font-primary);
  color: var(--text-secondary);
  position: relative;
  padding-left: 16px;
  transition:
    transform var(--transition-normal),
    color var(--transition-normal);
}

.skill-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: var(--fs-lg);
  transition: transform var(--transition-normal);
}

.skill-list li:hover {
  transform: translateX(6px);
  color: var(--text-primary);
}

.skill-list li:hover::before {
  transform: scale(1.4);
}

/* ------------------------------------------------------
  PROJECTS
------------------------------------------------------ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-top: 3rem;
}

.project-card {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

.project-card.large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
}

.project-image {
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 200px;
}

.project-card.large .project-image {
  min-height: 100%;
  padding: 2rem;
}

.medium-image {
  padding: 2rem;
}

.project-image img {
  max-width: 85%;
  max-height: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition:
    transform var(--transition-slow),
    filter var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.06) translateY(-4px);
  filter: drop-shadow(0 0 18px var(--accent-glow));
}

.project-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: var(--bg-secondary);
}

.project-title {
  font-family: var(--font-primary);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.project-description {
  font-family: var(--font-primary);
  font-size: var(--fs-md);
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.project-tags span {
  background: var(--bg-surface);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-lg);
  font-size: var(--fs-sm);
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.project-tags span:hover {
  color: #ffffff;
}

.netlink-tags span:hover {
  background: var(--project-netlink-color);
}

.orbistore-tags span:hover {
  background: var(--project-orbistore-color);
}

.medsoft-tags span:hover {
  background: var(--project-medsoft-color);
}

.project-link {
  margin-top: auto;
  color: var(--project-netlink-color);
  font-family: var(--font-primary);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  transition: opacity var(--transition-normal);
}

.project-link:hover {
  opacity: 0.7;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 20px var(--project-netlink-accent-glow);
}

.project-card:has(.project-netlink):hover {
  box-shadow: 0 0 20px var(--netlink-accent-glow, rgba(16, 185, 129, 0.4));
}

.project-card:has(.project-orbistore):hover {
  box-shadow: 0 0 20px var(--orbistore-accent-glow, rgba(91, 51, 215, 0.4));
}

.project-card:has(.project-medsoft):hover {
  box-shadow: 0 0 20px var(--medsoft-accent-glow, rgba(0, 113, 188, 0.4));
}

.project-netlink {
  background: var(--project-netlink-color);
}
.project-orbistore {
  background: var(--project-orbistore-color);
}
.project-medsoft {
  background: var(--project-medsoft-color);
}

/* ------------------------------------------------------
  CONTACT
------------------------------------------------------ */
.availability-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  background: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-success);
  animation: pulseDot 1.8s ease-in-out infinite;
}

@keyframes pulseDot {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.25);
  }
  100% {
    transform: scale(1);
  }
}

.status-text {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  letter-spacing: var(--tracking-normal);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  margin-top: 1rem;
}

.contact-text {
  font-family: var(--font-primary);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: var(--lh-body);
}

.contact-methods {
  display: flex;
  flex-direction: row;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  text-decoration: none;
  color: var(--text-primary);
  transition:
    transform var(--transition-normal),
    border-color var(--transition-normal);
}

.contact-item:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.contact-item .contact-icon svg,
.contact-item span:last-child {
  transition:
    transform var(--transition-normal),
    filter var(--transition-normal);
}

.contact-item .contact-icon svg {
  fill: var(--text-primary);
}

.contact-item:hover .contact-icon svg,
.contact-item:hover span:last-child {
  transform: scale(1.15);
  fill: var(--color-primary);
}

.contact-icon {
  font-size: var(--fs-2xl);
  display: flex;
  align-items: center;
}

/* ------------------------------------------------------
  RESPONSIVE — 1440px
------------------------------------------------------ */
@media (max-width: 1440px) {
  .sections,
  .hero {
    padding: 5rem 6rem;
  }
  .hero-title {
    font-size: var(--fs-5xl);
  }
  .hero-subtitle {
    font-size: var(--fs-3xl);
  }
  .hero-tagline {
    padding: 2rem 0;
  }
  .about-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 2.5rem;
  }
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  }
}

/* ------------------------------------------------------
  RESPONSIVE — 1024px
------------------------------------------------------ */
@media (max-width: 1024px) {
  .sections,
  .hero {
    padding: 3rem 3rem;
  }
  .hero-title {
    font-size: var(--fs-4xl);
  }
  .hero-subtitle {
    font-size: var(--fs-3xl);
  }
  .about-grid {
    grid-template-columns: 1fr 1fr;
    text-align: center;
    gap: 2rem;
  }
  .about-content {
    align-items: center;
  }
  .about-image img {
    max-width: 300px;
  }
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  .projects-grid {
    gap: 2rem;
  }
  .project-card.large {
    display: flex;
    flex-direction: column;
    grid-column: span 2;
  }
  .project-card.large .project-image {
    min-height: 200px;
    padding: 2.5rem 1.5rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------
  RESPONSIVE — 768px
------------------------------------------------------ */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: start;
    justify-content: center;
    text-align: left;
    background: var(--bg-primary);
    transition: var(--transition-slow);
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    padding-left: 2rem;
  }
  .nav.active {
    opacity: 1;
    transform: none;
    pointer-events: auto;
    right: 0;
  }
  .nav-list {
    flex-direction: column;
    align-items: start;
    gap: 2rem;
  }
  .nav-link {
    font-size: var(--fs-2xl);
  }
  .header-actions {
    flex-direction: row;
    gap: 2rem;
    justify-content: space-between;
    align-items: center;
  }
  .sections {
    padding: 4rem 1.75rem;
  }
  .hero-title {
    font-size: var(--fs-3xl);
  }
  .hero-subtitle {
    font-size: var(--fs-xl);
  }
  .hero-tagline {
    font-size: var(--fs-md);
  }
  .hero-links {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
  }
  .hero-links .btn {
    width: 100%;
    max-width: 320px;
    text-align: center;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .about-description {
    text-align: left;
    font-size: var(--fs-md);
    padding: var(--space-2) 0;
    line-height: var(--lh-body);
  }
  .skill-category {
    transform: none !important;
  }
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .project-card.large {
    display: flex;
    flex-direction: column;
    grid-column: auto;    
  }
  .project-card.large .project-image {
    min-height: 180px;
    padding: 2rem 1rem;
  }
  .project-content {
    padding: 1.5rem;
  }
  .project-title {
    font-size: var(--fs-lg);
  }
  .project-tags {
    flex-wrap: wrap;
  }
  .contact-grid {
    gap: 1rem;
  }
  .contact-methods {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    width: 100%;
  }
  .contact-item {
    width: 100%;
    max-width: 320px;
    justify-content: center;
    padding: 0.8rem 1.2rem;
  }
}