@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600;700&display=swap');

/* ===========================
   CSS Variables — Terminal Green
   =========================== */
:root {
  --bg-primary:    #0a0f0a;
  --bg-secondary:  #0d1510;
  --bg-card:       #111d13;
  --border:        #1a2e1d;
  --accent:        #00e87a;
  --accent-hover:  #33ff97;
  --text-primary:  #dff2e6;
  --text-secondary:#567a5e;
  --tag-bg:        #0e1f11;
  --tag-text:      #00e87a;
  --shadow:        rgba(0, 0, 0, 0.7);
  --glow:          rgba(0, 232, 122, 0.15);
  --radius:        10px;
  --transition:    0.2s ease;
  --font-sans:     'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  background-image:
    linear-gradient(rgba(0, 232, 122, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 232, 122, 0.09) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.navbar__brand {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.navbar__brand span {
  color: var(--accent);
}

.navbar__links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.navbar__links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.2px;
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--accent);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

/* Hamburger */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===========================
   Landing — Status badge & Stats
   =========================== */
.landing__meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  width: 100%;
}

.landing__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background-color: rgba(0, 232, 122, 0.07);
  border: 1px solid rgba(0, 232, 122, 0.2);
  border-radius: 20px;
  padding: 0.3rem 0.85rem 0.3rem 0.65rem;
  letter-spacing: 0.3px;
}

.status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
  animation: pulse-dot 2.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.landing__school {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.9rem;
}

.landing__school strong {
  color: var(--text-primary);
  font-weight: 600;
}

.landing__school svg {
  color: var(--accent);
  flex-shrink: 0;
}

.school__network {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent);
  background-color: rgba(0, 232, 122, 0.08);
  border: 1px solid rgba(0, 232, 122, 0.2);
  border-radius: 20px;
  padding: 0.15rem 0.5rem;
  margin-left: 0.1rem;
}

.landing__skills {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  padding: 1rem 1.1rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.skill-group {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.skill-group__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 120px;
}

.skill-group__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag--dim {
  opacity: 0.55;
  border-style: dashed;
}

/* ===========================
   Landing — Left panel
   =========================== */
.landing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 60px);
  border-bottom: 1px solid var(--border);
}

.landing__left {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 3.5rem;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(0, 232, 122, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 232, 122, 0.09) 1px, transparent 1px),
    linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  background-size: 40px 40px, 40px 40px, 100%;
  border-right: 1px solid var(--border);
  gap: 0;
}

.landing__tagline {
  font-size: clamp(2.7rem, 3.9vw, 3.9rem);
  font-family: var(--font-sans);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 18px rgba(0, 232, 122, 0.45);
}

.landing__tagline span {
  color: var(--accent);
}

/* ===========================
   Terminal Widget (hero)
   =========================== */
.landing__terminal {
  background-color: #0b1a0e;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: clamp(0.6rem, 1.4vw, 0.8rem);
  color: var(--text-primary);
  overflow: hidden;
  margin-bottom: 0.5rem;
  box-shadow: 0 0 24px rgba(0, 232, 122, 0.08);
  width: 100%;
  min-width: 0;
}

.terminal__titlebar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.75rem;
  background-color: #0d1f10;
  border-bottom: 1px solid var(--border);
}

.terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.terminal__dot--red    { background: #ff5f57; }
.terminal__dot--yellow { background: #ffbd2e; }
.terminal__dot--green  { background: #28ca41; }

.terminal__path {
  margin-left: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.terminal__body {
  padding: 0.8rem 1rem;
  height: 23rem;
  overflow: hidden;
  line-height: 1.9;
}

.terminal__line {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  min-width: 0;
}

.terminal__prompt { color: var(--accent); flex-shrink: 0; }
.terminal__cmd    { color: var(--text-primary); overflow-wrap: break-word; min-width: 0; }
.terminal__output { color: #7ecb95; padding-left: 1.1rem; overflow-wrap: break-word; min-width: 0; }

.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 0.85em;
  background: var(--accent);
  align-self: center;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.landing__cta {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ===========================
   Project Carousel
   =========================== */
.landing__right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 2.5rem;
  background-color: var(--bg-primary);
  background-image:
    linear-gradient(rgba(0, 232, 122, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 232, 122, 0.09) 1px, transparent 1px);
  background-size: 40px 40px;
  gap: 1.4rem;
}

.carousel__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.carousel__label::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: calc(var(--progress, 0%) );
  height: 2px;
  background-color: var(--accent);
  border-radius: 2px;
  transition: width 0.35s ease;
}

.carousel {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Arrows flanking the card */
.carousel__track {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.carousel__window {
  flex: 1;
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 300px;
  transition: box-shadow var(--transition);
}

.carousel__window:hover {
  box-shadow: 0 0 28px var(--glow);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.carousel__slide {
  display: none;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.3s ease;
  position: absolute;
  inset: 0;
}

.carousel__slide.active {
  display: flex;
  opacity: 1;
  position: relative;
}

.carousel__slide .card__media {
  aspect-ratio: 16 / 9;
}

.carousel__slide .card__body {
  padding: 1.1rem 1.2rem 1.2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.carousel__slide .card__description {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.carousel__btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  background-color: var(--accent);
  color: #0a0f0a;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.carousel__btn:disabled {
  opacity: 0.2;
  cursor: default;
  pointer-events: none;
}

.carousel__btn:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #0a0f0a;
  box-shadow: 0 0 14px var(--glow);
}

/* Bottom row: view button centred */
.carousel__footer {
  padding-left: calc(42px + 0.65rem);
  padding-right: calc(42px + 0.65rem);
}

.carousel__view-btn {
  width: 100%;
  justify-content: center;
}

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--accent);
  color: #0a0f0a;
  border-color: var(--accent);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #0a0f0a;
  box-shadow: 0 0 14px var(--glow);
}

.btn--outline {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn--outline:hover {
  background-color: rgba(0, 232, 122, 0.05);
  border-color: var(--accent);
  color: var(--accent);
}

/* ===========================
   Sections
   =========================== */
.section {
  padding: 4rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section__title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.section__subtitle {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

/* ===========================
   Project Cards (shared)
   =========================== */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 24px var(--shadow);
  transform: translateY(-3px);
}

.card__media {
  position: relative;
  background-color: var(--bg-secondary);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card__media img {
  transform: scale(1.04);
}

.card__media video {
  width: 100%;
  height: 100%;
  object-fit: fill;
  transition: transform 0.3s ease;
}

.card:hover .card__media video {
  transform: scale(1.04);
}

.card__badge {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card__body {
  padding: 1.2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card__description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex: 1;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.tag {
  background-color: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 20px;
  padding: 0.2rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid var(--border);
}

/* ===========================
   About Section
   =========================== */
.about {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
}

.about__image-wrap {
  border-radius: 50%;
  border: 2px solid var(--border);
  aspect-ratio: 1;
  background-color: var(--bg-card);
  overflow: hidden;
}

.about__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about__text h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.about__text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  text-align: justify;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

/* ===========================
   Project Detail Page
   =========================== */
.project-hero {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 1.5rem 1rem;
}

.project-hero__inner {
  max-width: 900px;
  margin: 0 auto;
}

.project-hero__breadcrumb {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.project-hero__breadcrumb a {
  color: var(--text-secondary);
}

.project-hero__breadcrumb a:hover {
  color: var(--accent);
}

.project-hero__title {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 0.4rem;
}

.project-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.project-hero__links {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  align-items: center;
}

.badge--flagship {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background-color: rgba(0, 232, 122, 0.08);
  border: 1px solid rgba(0, 232, 122, 0.3);
  border-radius: 20px;
  padding: 0.3rem 0.75rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.project-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem;
}

.project-gif {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 2.5rem;
  background-color: var(--bg-secondary);
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

video.project-gif {
  width: 100%;
  height: 100%;
  object-fit: fill;
  transition: transform 0.3s ease;
}

.project-gif-placeholder {
  width: 100%;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  margin-bottom: 2.5rem;
  background-color: var(--bg-secondary);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.project-gif-placeholder svg {
  opacity: 0.4;
}

.project-section {
  margin-bottom: 2.5rem;
}

.project-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.project-section p {
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
  text-align: justify;
}

.project-section ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-section ul li {
  color: var(--text-secondary);
  padding-left: 1.2rem;
  position: relative;
}

.project-section ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.nav-projects {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===========================
   Contact Section
   =========================== */
.contact {
  text-align: center;
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ===========================
   Footer
   =========================== */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 900px) {
  .landing {
    grid-template-columns: 1fr;
    min-height: unset;
  }

  .landing__left {
    align-items: center;
    text-align: center;
    padding: 3.5rem 2rem 2.5rem;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .landing__cta {
    justify-content: center;
  }

  .landing__right {
    padding: 2.5rem 2rem;
    align-items: center;
  }

  .carousel__label {
    align-self: flex-start;
  }

  .carousel__track {
    max-width: 480px;
    width: 100%;
  }

  .carousel__footer {
    max-width: 480px;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .navbar__links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
  }

  .navbar__links.open {
    display: flex;
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar {
    position: relative;
  }

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

  .about__image-wrap {
    max-width: 180px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .landing__left {
    padding: 2.5rem 1.2rem;
  }

  .landing__right {
    padding: 2rem 1.2rem;
  }

  .section {
    padding: 3rem 1rem;
  }
}

/* ===========================
   Large screens — 2K (1921px+)
   =========================== */
@media (min-width: 1921px) {
  html {
    font-size: 18px;
  }

  body {
    background-size: 50px 50px;
  }

  .navbar {
    height: 70px;
    padding: 0 2.5rem;
  }

  .section {
    max-width: 1300px;
  }

  .project-hero__inner,
  .project-content {
    max-width: 1100px;
  }

  .landing__left {
    background-size: 50px 50px, 50px 50px, 100%;
  }

  .landing__right {
    background-size: 50px 50px;
  }
}

/* ===========================
   Large screens — QHD (2560px+)
   =========================== */
@media (min-width: 2560px) {
  html {
    font-size: 20px;
  }

  body {
    background-size: 60px 60px;
  }

  .navbar {
    height: 80px;
    padding: 0 3rem;
  }

  .section {
    max-width: 1600px;
  }

  .project-hero__inner,
  .project-content {
    max-width: 1300px;
  }

  .landing__left {
    background-size: 60px 60px, 60px 60px, 100%;
  }

  .landing__right {
    background-size: 60px 60px;
  }
}

/* ===========================
   Large screens — 4K (3840px+)
   =========================== */
@media (min-width: 3840px) {
  html {
    font-size: 24px;
  }

  body {
    background-size: 80px 80px;
  }

  .navbar {
    height: 96px;
    padding: 0 4rem;
  }

  .section {
    max-width: 2200px;
  }

  .project-hero__inner,
  .project-content {
    max-width: 1800px;
  }

  .landing__left {
    background-size: 80px 80px, 80px 80px, 100%;
  }

  .landing__right {
    background-size: 80px 80px;
  }
}