/* ═══════════════════════════════════════════════
   ERIC K'DUAL — RESUME WEB
   Aesthetic: Editorial Tech-Luxury
   ═══════════════════════════════════════════════ */

:root {
  --bg:        #0a0a0c;
  --bg-card:   #111114;
  --bg-hover:  #18181c;
  --surface:   #1a1a1f;
  --border:    #2a2a30;
  --text:      #e8e6e3;
  --text-muted:#8a8890;
  --accent:    #00e5a0;
  --accent-dim:#00e5a020;
  --accent2:   #6366f1;
  --accent3:   #f59e0b;
  --display:   'Syne', -apple-system, sans-serif;
  --sans:      'DM Sans', -apple-system, sans-serif;
  --mono:      'JetBrains Mono', monospace;
  --max-w:     1200px;
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

::selection { background: var(--accent); color: var(--bg); }

/* ─── VISION GRID CANVAS ─── */
#vision-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}

/* ─── TOP NAV ─── */
.top-nav {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.top-nav__pdf {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.35rem 0.8rem;
  backdrop-filter: blur(12px);
  transition: all 0.25s var(--ease);
}

.top-nav__pdf:hover {
  border-color: var(--accent);
  color: var(--accent);
  opacity: 1;
}

/* ─── LANG TOGGLE ─── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.35rem 0.8rem;
  backdrop-filter: blur(12px);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.15rem 0.3rem;
  border-radius: 0.25rem;
  transition: all 0.25s var(--ease);
}

.lang-btn.active {
  color: var(--bg);
  background: var(--accent);
}

.lang-sep { color: var(--border); }

/* ─── HERO ─── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
}

.hero__grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__photo-wrapper {
  position: relative;
  width: 200px;
  height: 200px;
}

.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  filter: grayscale(20%) contrast(1.05);
  position: relative;
  z-index: 1;
}

.hero__photo-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.4;
  animation: ring-pulse 4s ease-in-out infinite;
}

@keyframes ring-pulse {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.03); }
}

.hero__eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero__clearance {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.hero__clearance-hl {
  background: #b71c1c;
  color: #fff;
  padding: 0.15rem 0.5rem;
  border-radius: 0.2rem;
}

.hero__name {
  font-family: var(--display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero__name--accent {
  font-weight: 400;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__baseline {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.hero__baseline::before {
  content: '> ';
  opacity: 0.4;
}

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

.hero__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.hero__contact-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

a.hero__contact-item:hover { color: var(--accent); opacity: 1; }

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  animation: float 3s ease-in-out infinite;
  opacity: 0.4;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ─── SECTION TITLES ─── */
.section-title {
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 3rem;
  height: 2px;
  background: var(--accent);
}

.section-title--sm {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.section-title--sm::after { width: 2rem; height: 1px; }

/* ─── PILLARS ─── */
.pillars {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pillars__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.4s var(--ease);
  cursor: default;
}

.pillars__item:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--accent-dim);
}

.pillars__icon {
  color: var(--accent);
  margin-bottom: 1rem;
  transition: transform 0.4s var(--ease);
}

.pillars__item:hover .pillars__icon { transform: scale(1.15); }

.pillars__title {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.pillars__desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--mono);
  font-weight: 300;
}

/* ─── PROJECTS ─── */
.projects {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.project-card:hover::before { opacity: 1; }

.project-card__name {
  font-family: var(--display);
  font-size: 1.6rem;
  margin-bottom: 0.3rem;
}

.project-card__url {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
  display: inline-block;
}

.project-card__desc {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.65;
  margin-bottom: 1.2rem;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  border-radius: 2rem;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  opacity: 0.7;
}

.project-card__cta {
  display: inline-block;
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 2rem;
  color: var(--accent);
  transition: all 0.25s var(--ease);
}

.project-card__cta:hover {
  background: var(--accent);
  color: var(--bg);
  opacity: 1;
}

/* ─── SKILLS ─── */
.skills {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.skills__group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
}

.skills__group-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.skills__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-chip {
  font-size: 0.8rem;
  padding: 0.35rem 0.8rem;
  border-radius: 0.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.25s var(--ease);
}

.skill-chip:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-dim);
}

/* special highlight for IA skills group */
.skills__group--ai {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-card) 0%, #0a1a14 100%);
}

.skills__group--ai .skill-chip {
  background: var(--accent-dim);
  border-color: transparent;
}

/* ─── EXPERIENCE ─── */
.experience {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.experience__timeline {
  position: relative;
  padding-left: 3rem;
}

.experience__timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--border) 80%);
}

.exp-card {
  position: relative;
  margin-bottom: 2.5rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  transition: all 0.35s var(--ease);
}

.exp-card:hover {
  border-color: var(--border);
  background: var(--bg-hover);
}

.exp-card::before {
  content: '';
  position: absolute;
  left: -3rem;
  top: 2.2rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  transform: translateX(-4px);
}

.exp-card__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.exp-card__logo {
  width: 40px;
  height: 40px;
  border-radius: 0.5rem;
  object-fit: contain;
  background: var(--surface);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.exp-card__logo--placeholder {
  width: 40px;
  height: 40px;
  border-radius: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--text-muted);
  flex-shrink: 0;
  letter-spacing: 0.03em;
}

.exp-card__company {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.exp-card__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.exp-card__title {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-muted);
}

.exp-card__dates {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  background: var(--accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 2rem;
}

.exp-badge {
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.55rem;
  border-radius: 0.25rem;
  text-transform: uppercase;
}

.exp-badge--ia {
  background: #e67e2230;
  color: #e67e22;
  border: 1px solid #e67e2250;
}

.exp-badge--data {
  background: #2e6da430;
  color: #5a9fd4;
  border: 1px solid #2e6da450;
}

.exp-badge--cto {
  background: #8e44ad30;
  color: #b07cc6;
  border: 1px solid #8e44ad50;
}

.exp-card__context {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-style: italic;
  padding-left: 0.8rem;
  border-left: 2px solid var(--border);
}

.exp-card__bullets {
  list-style: none;
}

.exp-card__bullets li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.45rem;
}

.exp-card__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

/* ─── PASSIONS & PORTFOLIO ─── */
.passions-section {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.passions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.passion-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.8rem;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.passion-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent3), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.passion-card:hover {
  border-color: var(--accent3);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(245, 158, 11, 0.08);
}

.passion-card:hover::before { opacity: 1; }

.passion-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.passion-card__name {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.passion-card__link {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--accent);
  border-radius: 2rem;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.passion-card__link:hover {
  background: var(--accent);
  color: var(--bg);
  opacity: 1;
}

.passion-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

/* ─── BOTTOM GRID ─── */
.bottom-grid {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 2rem 5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.edu-item {
  margin-bottom: 1rem;
}

.edu-item__school {
  font-weight: 600;
  font-size: 0.95rem;
}

.edu-item__degree {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
}

.edu-item__meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.6;
}

.pub-list, .lang-list {
  list-style: none;
}

.pub-list li, .lang-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}

.pub-list li:last-child, .lang-list li:last-child { border: none; }

/* ─── FOOTER ─── */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 2rem 2rem;
  border-top: 1px solid var(--border);
}

.footer__pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.7rem 1.8rem;
  border: 1px solid var(--accent);
  border-radius: 2rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  transition: all 0.3s var(--ease);
}

.footer__pdf-btn:hover {
  background: var(--accent);
  color: var(--bg);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-dim);
}

.footer__credit {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  .hero__photo-col { display: flex; justify-content: center; }
  .hero__photo-wrapper { width: 150px; height: 150px; }
  .hero__summary { margin-left: auto; margin-right: auto; }
  .hero__contact { justify-content: center; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .bottom-grid { grid-template-columns: 1fr; }
  .experience__timeline { padding-left: 2rem; }
}

@media (max-width: 600px) {
  .pillars { grid-template-columns: 1fr; }
  .hero__name { font-size: 2.8rem; }
  .lang-toggle { top: 1rem; right: 1rem; }
}