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

:root {
  --bg: #000000;
  --bg-elevated: #0a0a0a;
  --bg-card: #0d0d0d;
  --border: #262626;
  --border-hover: #3f3f3f;
  --text: #fafafa;
  --text-soft: #a1a1a1;
  --text-faint: #6b6b6b;
  --accent: #3fb950;
  --accent-soft: rgba(63, 185, 80, 0.12);
  --accent-glow: rgba(63, 185, 80, 0.18);
  --max: 1120px;
  --radius: 8px;
  --radius-sm: 5px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text);
}
a:focus-visible,
button:focus-visible,
.proj-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

h1,
h2,
h3 {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--text);
}

.mono {
  font-family: "IBM Plex Mono", monospace;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 600px) {
  .wrap {
    padding: 0 20px;
  }
}

/* ---------- NAV ---------- */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: var(--max);
  margin: 0 auto;
}
.nav-mark {
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 9px;
}
.nav-mark .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}
.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.87rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover {
  color: var(--text);
}
.nav-cta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  border-color: var(--border-hover);
  background: var(--bg-elevated);
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 15px;
  height: 1.5px;
  background: var(--text);
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

@media (max-width: 780px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-links.is-open {
    max-height: 320px;
  }
  .nav-links a {
    padding: 16px 32px;
    border-top: 1px solid var(--border);
    width: 100%;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-cta {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-inner {
    padding: 14px 20px;
  }
  .nav-mark {
    font-size: 0.88rem;
  }
}

/* ---------- HERO ---------- */
header.hero {
  position: relative;
  padding: 120px 0 80px 0;
  overflow: hidden;
}
header.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(
    ellipse at center,
    var(--accent-glow) 0%,
    transparent 70%
  );
  pointer-events: none;
  opacity: 0.5;
}
header.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.06) 1px,
    transparent 1px
  );
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 75%);
  mask-image: linear-gradient(to bottom, black 0%, transparent 75%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}
h1.title {
  margin-top: 26px;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.02;
  font-weight: 800;
}
h1.title .grad {
  background: linear-gradient(90deg, var(--text) 20%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 620px;
  margin-top: 22px;
  font-size: 1.1rem;
  color: var(--text-soft);
}

@media (max-width: 900px) {
  header.hero {
    padding: 96px 0 60px 0;
  }
  header.hero::before {
    width: 600px;
    height: 420px;
    top: -140px;
  }
}
@media (max-width: 600px) {
  header.hero {
    padding: 80px 0 48px 0;
  }
  .hero-sub {
    font-size: 1rem;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-actions {
    flex-direction: column;
  }
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary {
  background: var(--text);
  color: #000;
  font-weight: 600;
}
.btn-primary:hover {
  background: var(--accent);
  color: #000;
}
.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-elevated);
}

/* Title block */
.titleblock {
  margin-top: 56px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.titleblock .cell {
  padding: 16px 20px;
  border-right: 1px solid var(--border);
  transition: background 0.15s ease;
  min-width: 0;
  overflow: hidden;
}
.titleblock .cell:hover {
  background: var(--bg-card);
}
.titleblock .cell:last-child {
  border-right: none;
}
.titleblock .cell .label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: block;
  margin-bottom: 6px;
}
.titleblock .cell .value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
  hyphens: auto;
  display: block;
}
.titleblock .cell .value a {
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--border-hover);
}
.titleblock .cell .value a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

@media (max-width: 680px) {
  .titleblock {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 40px;
  }
  .titleblock .cell:nth-child(2) {
    border-right: none;
  }
  .titleblock .cell:nth-child(1),
  .titleblock .cell:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }
}
@media (max-width: 420px) {
  .titleblock {
    grid-template-columns: 1fr;
  }
  .titleblock .cell {
    border-right: none !important;
    border-bottom: 1px solid var(--border);
  }
  .titleblock .cell:last-child {
    border-bottom: none;
  }
  .titleblock .cell .value {
    font-size: 0.86rem;
  }
}

/* ---------- SECTION GENERIC ---------- */
section {
  padding: 100px 0;
  border-bottom: 1px solid var(--border);
}
section:last-of-type {
  border-bottom: none;
}

@media (max-width: 900px) {
  section {
    padding: 72px 0;
  }
}
@media (max-width: 600px) {
  section {
    padding: 56px 0;
  }
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
}
.section-num {
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-faint);
  font-size: 0.85rem;
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
}
.about-grid p {
  font-size: 1.05rem;
  color: var(--text-soft);
}
.about-grid p + p {
  margin-top: 18px;
}
.about-grid em {
  color: var(--text);
  font-style: normal;
  font-weight: 600;
}
.about-stats {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.about-stat {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 22px;
  background: var(--bg-elevated);
  transition: border-color 0.2s ease;
}
.about-stat:hover {
  border-color: var(--accent);
}
.about-stat .num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.about-stat .cap {
  margin-top: 10px;
  font-size: 0.86rem;
  color: var(--text-soft);
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .about-stats {
    flex-direction: row;
  }
  .about-stat {
    flex: 1;
  }
}
@media (max-width: 560px) {
  .about-stats {
    flex-direction: column;
  }
}

/* ---------- SKILLS ---------- */
.skill-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.skill-group {
  padding: 26px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  transition: border-color 0.2s ease;
}
.skill-group:hover {
  border-color: var(--border-hover);
}
.skill-group h3 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 18px;
}
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-soft);
  transition: all 0.15s ease;
}
.chip:hover {
  color: var(--text);
  border-color: var(--border-hover);
}

@media (max-width: 900px) {
  .skill-groups {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .skill-groups {
    grid-template-columns: 1fr;
  }
  .skill-group {
    padding: 22px 20px;
  }
}

/* ---------- PROJECTS ---------- */
.proj-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.proj-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 34px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}
.proj-card:hover {
  border-color: var(--accent);
  background: var(--bg-card);
  box-shadow:
    0 0 0 1px var(--accent-soft),
    0 12px 40px -20px var(--accent-glow);
}

.proj-meta {
  font-family: "IBM Plex Mono", monospace;
}
.proj-ref {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.proj-status {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-soft);
}
.proj-status.active {
  border-color: var(--accent);
  color: var(--accent);
}

.proj-context {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--text-faint);
  line-height: 1.5;
}
.proj-context b {
  color: var(--text-soft);
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}

.proj-body h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.proj-body p {
  color: var(--text-soft);
  font-size: 0.96rem;
  margin: 0 0 16px 0;
}
.proj-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.proj-stack span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 9px;
  border-radius: 20px;
}
.proj-highlight {
  border-left: 2px solid var(--accent);
  padding-left: 14px;
  font-size: 0.9rem;
  color: var(--text);
}
.proj-highlight .label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.proj-toggle {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
}
.proj-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.proj-toggle .chev {
  transition: transform 0.2s ease;
  display: inline-block;
  font-size: 0.7rem;
}
.proj-toggle[aria-expanded="true"] .chev {
  transform: rotate(180deg);
}

.proj-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.proj-details.is-open {
  max-height: 1400px;
}
.proj-details-inner {
  padding-top: 24px;
  margin-top: 22px;
  border-top: 1px solid var(--border);
}
.proj-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}
.proj-gallery .ph {
  aspect-ratio: 16 / 10;
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  color: var(--text-faint);
  text-align: center;
  padding: 10px;
  line-height: 1.4;
}
.proj-details-inner h4 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 10px 0;
  font-weight: 500;
}
.proj-details-inner > p {
  color: var(--text-soft);
  font-size: 0.94rem;
  margin: 0 0 22px 0;
}
.proj-skills-note {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  color: var(--text-faint);
  margin: -4px 0 12px 0;
}
.proj-skills-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.proj-skills-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.86rem;
  color: var(--text-soft);
}
.proj-skills-list li::before {
  content: "✓";
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  flex-shrink: 0;
}

@media (max-width: 760px) {
  .proj-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .proj-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .proj-card {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
@media (max-width: 560px) {
  .proj-card {
    padding: 24px 22px;
  }
  .proj-body h3 {
    font-size: 1.2rem;
  }
}

/* ---------- CONTACT ---------- */
.contact-block {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-block h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.05;
  margin-top: 14px;
}
.contact-block .hero-sub {
  margin-top: 18px;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    transform 0.15s ease;
}
.contact-link:hover {
  border-color: var(--accent);
  background: var(--bg-card);
  transform: translateX(4px);
}
.contact-link .lbl {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  display: block;
  margin-bottom: 4px;
}
.contact-link .val {
  font-weight: 600;
  font-size: 1rem;
}
.contact-link .arrow {
  font-family: "IBM Plex Mono", monospace;
  color: var(--accent);
  transition: transform 0.15s ease;
}
.contact-link:hover .arrow {
  transform: translateX(4px);
}

@media (max-width: 760px) {
  .contact-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- VEILLE ---------- */
.veille-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 36px 38px;
  transition: border-color 0.2s ease;
}
.veille-card:hover {
  border-color: var(--border-hover);
}
.veille-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}
.veille-source {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  background: var(--bg-card);
}
.veille-source .name {
  font-weight: 700;
  font-size: 0.98rem;
  margin-bottom: 6px;
}
.veille-source .desc {
  font-size: 0.84rem;
  color: var(--text-soft);
}
.veille-card h4 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 10px 0;
  font-weight: 500;
}
.veille-card p {
  color: var(--text-soft);
  font-size: 0.96rem;
  margin: 0 0 24px 0;
}
.veille-card p:last-child {
  margin-bottom: 0;
}
.veille-todo {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  color: var(--text-faint);
  border-left: 2px solid var(--border-hover);
  padding-left: 12px;
}

@media (max-width: 760px) {
  .veille-top {
    grid-template-columns: 1fr;
  }
  .veille-card {
    padding: 26px 24px;
  }
}

/* ---------- FOOTER ---------- */
footer {
  padding: 32px 0 40px 0;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.is-visible {
  transition-delay: var(--d, 0ms);
}