:root {
  --bg: #050505;
  --bg-soft: #0d0d0d;
  --text: #f5f5f5;
  --muted: #b5b5b5;
  --border: #2a2a2a;
  --white: #ffffff;
  --black: #000000;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 32px 32px;
  color: var(--text);
  font-family: "Courier New", monospace;
}

/* HEADER */

.site-header {
  width: 100%;
  height: 76px;
  padding: 0 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: rgba(5, 5, 5, 0.88);
  backdrop-filter: blur(12px);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
}

.logo {
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-symbol {
  border: 1px solid var(--white);
  padding: 0.2rem 0.4rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--white);
}

.language-switcher {
  display: flex;
  border: 1px solid var(--border);
}

.lang-btn {
  background: transparent;
  color: var(--muted);
  border: none;
  border-right: 1px solid var(--border);
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  font-family: inherit;
  transition: 0.2s ease;
}

.lang-btn:last-child {
  border-right: none;
}

.lang-btn:hover,
.lang-btn.active {
  background: var(--white);
  color: var(--black);
}

/* HERO */

.hero {
  min-height: 100vh;
  padding: 120px 5vw 60px;
  display: flex;
  align-items: center;
}

.hero-content {
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

/* TERMINAL */

.terminal {
  width: 100%;
  min-height: 470px;
  background: #000000;
  border: 1px solid var(--white);
  box-shadow: 12px 12px 0 rgba(255,255,255,0.08);
}

.terminal-top {
  height: 42px;
  border-bottom: 1px solid var(--white);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  position: relative;
}

.terminal-buttons {
  display: flex;
  gap: 0.45rem;
}

.terminal-buttons span {
  width: 10px;
  height: 10px;
  border: 1px solid var(--white);
  border-radius: 50%;
}

.terminal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.8rem;
}

.terminal-body {
  padding: 1.5rem;
  font-size: 1rem;
  line-height: 1.8;
}

.terminal-line {
  min-height: 1.7rem;
  color: var(--text);
  white-space: pre-wrap;
}

.terminal-line.command {
  color: var(--white);
  margin-top: 0.8rem;
}

.terminal-line.response {
  color: var(--muted);
  padding-left: 1.2rem;
}

.prompt {
  color: var(--white);
  margin-right: 0.5rem;
}

.cursor {
  display: inline-block;
  width: 9px;
  height: 18px;
  background: var(--white);
  animation: blink 0.9s infinite;
  transform: translateY(3px);
}

@keyframes blink {
  0%, 45% {
    opacity: 1;
  }

  46%, 100% {
    opacity: 0;
  }
}

/* HERO INFO */

.hero-info {
  max-width: 620px;
}

.eyebrow {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  margin-bottom: 1.2rem;
}

.hero-info h1 {
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.08em;
  margin-bottom: 1.5rem;
}

.hero-text {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.3rem;
  border: 1px solid var(--white);
  text-decoration: none;
  font-family: inherit;
  font-size: 0.95rem;
  transition: 0.2s ease;
}

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

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

.btn-secondary {
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--black);
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--white);
}

/* RESPONSIVE */

@media (max-width: 950px) {
  .site-header {
    height: auto;
    min-height: 76px;
    padding: 1rem 5vw;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .nav a {
    font-size: 0.78rem;
  }

  .hero {
    padding-top: 150px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .terminal {
    min-height: 390px;
    box-shadow: 7px 7px 0 rgba(255,255,255,0.08);
  }

  .terminal-title {
    font-size: 0.65rem;
  }

  .terminal-body {
    padding: 1.1rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 520px) {
  .hero-info h1 {
    font-size: 2.25rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .language-switcher {
    margin-left: auto;
  }
}

.section {
  min-height: 100vh;
  padding: 120px 5vw;
  border-top: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 3rem;
}

.section-number {
  color: var(--muted);
  font-size: 1rem;
}

.section h2 {
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

/* SECTION COMMAND */

.section-command {
  color: var(--muted);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.section-command span {
  color: var(--white);
}

/* PROJECTS */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.project-card {
  background: #000;
  border: 1px solid var(--border);
  padding: 1.4rem;
  position: relative;
  transition: 0.25s ease;
  min-height: 330px;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--white);
  transform: translateY(-6px);
  box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.08);
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
  transition: 0.25s ease;
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.project-id {
  color: var(--muted);
  font-size: 0.8rem;
}

.project-type {
  color: var(--black);
  background: var(--white);
  padding: 0.25rem 0.45rem;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
}

.project-description {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
  margin-bottom: 1.4rem;
}

.project-meta {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
  font-size: 0.85rem;
}

.project-meta p {
  color: var(--muted);
}

.project-meta span {
  color: var(--white);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.project-tags span {
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.35rem 0.5rem;
  font-size: 0.75rem;
}

/* TIMELINE */

.timeline {
  position: relative;
  max-width: 1000px;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.4rem;
  width: 13px;
  height: 13px;
  background: var(--bg);
  border: 1px solid var(--white);
}

.timeline-content {
  background: #000;
  border: 1px solid var(--border);
  padding: 1.2rem;
  transition: 0.25s ease;
}

.timeline-content:hover {
  border-color: var(--white);
  box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.08);
}

.timeline-date {
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 0.7rem;
}

.timeline-title {
  font-size: 1.25rem;
  margin-bottom: 0.7rem;
}

.timeline-description {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.timeline-command {
  color: var(--white);
  font-size: 0.8rem;
  margin-top: 1rem;
}

@media (max-width: 850px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card {
    min-height: auto;
  }
}

/* SKILLS */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.skill-card {
  background: #000;
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: 0.25s ease;
}

.skill-card:hover {
  border-color: var(--white);
  transform: translateY(-6px);
  box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.08);
}

.skill-card.featured {
  grid-column: span 2;
  border-color: var(--white);
}

.skill-command {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.skill-command span {
  color: var(--white);
}

.skill-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
}

.skill-description {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
  margin-bottom: 1.4rem;
  max-width: 900px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tags span {
  border: 1px solid var(--border);
  padding: 0.35rem 0.55rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.skill-card.featured .skill-tags span {
  border-color: var(--white);
  color: var(--white);
}

@media (max-width: 850px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .skill-card.featured {
    grid-column: span 1;
  }
}

/* CONTACT */

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem;
  align-items: start;
}

.contact-info {
  background: #000;
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.contact-line {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.contact-line span:first-child {
  color: var(--white);
}

.contact-terminal-box {
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
  display: grid;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-terminal-box span {
  color: var(--white);
}

.contact-form {
  background: #000;
  border: 1px solid var(--white);
  padding: 1.5rem;
  box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.08);
}

.form-group {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.2rem;
}

.form-group label {
  color: var(--muted);
  font-size: 0.9rem;
}

.form-group label span:first-child {
  color: var(--white);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: #050505;
  border: 1px solid var(--border);
  color: var(--white);
  padding: 0.9rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: 0.2s ease;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #666;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--white);
  box-shadow: 0 0 0 1px var(--white);
}

.form-btn {
  width: 100%;
  cursor: pointer;
  font-family: inherit;
}

.form-feedback {
  min-height: 1.4rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-feedback.error {
  color: var(--white);
}

.form-feedback.success {
  color: var(--white);
}

@media (max-width: 850px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-form {
    box-shadow: 6px 6px 0 rgba(255, 255, 255, 0.08);
  }
}

/* PROJECT GROUPS */

.project-group {
  margin-bottom: 5rem;
}

.web-project-group {
  margin-top: 3rem;
}

.project-group-header {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1rem;
}

.project-group-header span {
  color: var(--muted);
  font-size: 0.85rem;
}

.project-group-header h3 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.small-command {
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.project-card {
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.project-link-line {
  margin-top: 1.4rem;
  color: var(--white);
  font-size: 0.85rem;
}

.project-link-line span {
  color: var(--muted);
}

/* PROJECT DETAIL PAGE */

.project-detail {
  min-height: 100vh;
  padding: 140px 5vw 80px;
}

.project-detail-header {
  max-width: 1000px;
  margin-bottom: 3rem;
}

.project-detail-header span {
  color: var(--muted);
  font-size: 0.9rem;
}

.project-detail-header h1 {
  font-size: clamp(3rem, 9vw, 8rem);
  line-height: 0.9;
  letter-spacing: -0.09em;
  margin: 1rem 0 1.5rem;
}

.project-detail-header p {
  max-width: 850px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.project-detail-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.4rem;
  margin-bottom: 3rem;
}

.detail-card {
  background: #000;
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.detail-card h2 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.detail-card p {
  color: var(--muted);
  line-height: 1.7;
}

.detail-back {
  width: fit-content;
}

@media (max-width: 850px) {
  .project-detail-grid {
    grid-template-columns: 1fr;
  }

  .project-detail {
    padding-top: 170px;
  }
}

/* PROJECT VIDEO PREVIEW */

.project-preview {
  margin-bottom: 3rem;
}

.project-video-frame {
  background: #000;
  border: 1px solid var(--white);
  box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.project-video-top {
  height: 42px;
  border-bottom: 1px solid var(--white);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0 1rem;
  position: relative;
}

.project-video-top span {
  width: 10px;
  height: 10px;
  border: 1px solid var(--white);
  border-radius: 50%;
}

.project-video-top p {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.8rem;
}

.project-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  background: #000;
}

/* PROJECT LINKS */

.project-detail-actions {
  background: #000;
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 3rem;
}

.project-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 850px) {
  .project-video-frame {
    box-shadow: 6px 6px 0 rgba(255, 255, 255, 0.08);
  }

  .project-video-top p {
    font-size: 0.65rem;
  }

  .project-action-buttons {
    flex-direction: column;
  }

  .project-action-buttons .btn {
    width: 100%;
  }
}

.detail-card-full {
  grid-column: span 2;
}

.project-features {
  display: grid;
  gap: 0.8rem;
  padding-left: 1.2rem;
  color: var(--muted);
  line-height: 1.7;
}

.project-features li::marker {
  color: var(--white);
}

@media (max-width: 850px) {
  .detail-card-full {
    grid-column: span 1;
  }
}

/* SMALLER PROJECT VIDEOS */

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

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

.project-video {
  width: 100%;
  max-height: 520px;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

@media (max-width: 850px) {
  .project-preview,
  .project-video-frame {
    max-width: 100%;
  }

  .project-video {
    max-height: none;
  }
}