:root {
  --bg: #0a0a0f;
  --bg2: #12121a;
  --bg3: #1a1a26;
  --border: #2a2a3a;
  --text: #e8e8f0;
  --muted: #8888a8;
  --accent: #6c63ff;
  --accent2: #00d4ff;
  --azure: #0078d4;
  --aws: #ff9900;
  --green: #00e676;
  --radius: 12px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', ui-monospace, 'Courier New', monospace;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* Nav */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(10,10,15,0.97);
  border-bottom: 1px solid var(--border);
  transition: border-color .3s;
}

.nav-logo {
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--text);
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .88rem;
  letter-spacing: .02em;
  transition: color .2s;
}

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

.lang-toggle {
  padding: .28rem .65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .06em;
  cursor: pointer;
  transition: border-color .2s, color .2s;
  flex-shrink: 0;
}

.lang-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Hero */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .3rem .85rem;
  background: rgba(108,99,255,.08);
  border: 1px solid rgba(108,99,255,.25);
  border-radius: 4px;
  font-size: .75rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
}

.hero-name {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.05;
  margin-bottom: .5rem;
}

.hero-name .last { color: var(--accent); }

.hero-title {
  font-size: clamp(.95rem, 2.2vw, 1.2rem);
  color: var(--muted);
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-title strong { color: var(--text); font-weight: 600; }

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.6rem;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all .2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #7b73ff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: var(--muted);
  font-size: .72rem;
  font-family: var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.hero-scroll::after {
  content: '';
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, var(--muted), transparent);
}

/* Sections */
section { padding: 5rem 2rem; }

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .75rem;
}

.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 600px;
}

/* Formation — Timeline */
#formation { background: var(--bg2); }

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3rem;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  padding-left: 1.75rem;
}

.timeline-dot {
  position: absolute;
  left: -1.625rem;
  top: 1.2rem;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg2);
  flex-shrink: 0;
}

.timeline-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color .2s;
}

.timeline-card:hover { border-color: rgba(108,99,255,.4); }

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .75rem;
}

.timeline-date {
  font-size: .7rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .25rem;
}

.timeline-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.timeline-sub {
  font-size: .82rem;
  color: var(--muted);
  margin-top: .2rem;
  font-family: var(--font-mono);
}

.timeline-desc {
  font-size: .88rem;
  color: var(--muted);
  margin-bottom: .75rem;
  line-height: 1.55;
}

.timeline-tags { display: flex; flex-wrap: wrap; gap: .4rem; }

.timeline-badge {
  font-size: .68rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .22rem .65rem;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.timeline-badge--current {
  background: rgba(108,99,255,.1);
  color: var(--accent);
  border: 1px solid rgba(108,99,255,.25);
}

.timeline-badge--done {
  background: rgba(0,230,118,.07);
  color: #50e090;
  border: 1px solid rgba(0,230,118,.18);
}

/* Certification block */
.certif-block { margin-top: 2.5rem; }

.certif-label {
  font-size: .72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .75rem;
}

.certif-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg3);
  border: 1px solid rgba(0,120,212,.3);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color .2s;
}

.certif-card:hover {
  border-color: rgba(0,120,212,.55);
}

.certif-logo {
  width: 48px; height: 48px;
  background: rgba(0,120,212,.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.certif-info { flex: 1; }

.certif-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .2rem;
}

.certif-id {
  font-size: .75rem;
  color: #4fa8e0;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: .35rem;
}

.certif-desc {
  font-size: .83rem;
  color: var(--muted);
  line-height: 1.45;
}

.certif-badge {
  font-size: .82rem;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: #fff;
  background: #0078d4;
  padding: .4rem .85rem;
  border-radius: 6px;
  flex-shrink: 0;
}

/* About */
#about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.about-text p strong { color: var(--text); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  transition: border-color .2s;
}

.stat-card:hover { border-color: rgba(108,99,255,.35); }

.stat-number {
  font-size: 1.9rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: .78rem;
  color: var(--muted);
  margin-top: .3rem;
}

/* Skills */
#competences { background: var(--bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.skill-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color .2s;
}

.skill-card:hover { border-color: rgba(108,99,255,.35); }

.skill-icon {
  width: 44px; height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: .9rem;
}

.skill-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .45rem;
}

.skill-card p {
  font-size: .87rem;
  color: var(--muted);
  line-height: 1.5;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: .9rem;
}

.tag {
  padding: .2rem .55rem;
  border-radius: 4px;
  font-size: .72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: rgba(108,99,255,.08);
  color: var(--accent);
  border: 1px solid rgba(108,99,255,.18);
}

.tag.azure { background: rgba(0,120,212,.08); color: #4fa8e0; border-color: rgba(0,120,212,.2); }
.tag.aws { background: rgba(255,153,0,.08); color: #f0a030; border-color: rgba(255,153,0,.2); }
.tag.linux { background: rgba(0,230,118,.06); color: #50e090; border-color: rgba(0,230,118,.18); }
.tag.net { background: rgba(0,212,255,.06); color: #50d0f0; border-color: rgba(0,212,255,.18); }

/* Projects */
#projets { background: var(--bg2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
  align-items: start;
}

.project-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color .2s;
}

.project-card:hover {
  border-color: rgba(108,99,255,.35);
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.project-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .68rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .18rem .55rem;
  border-radius: 4px;
}

.status-live {
  background: rgba(0,230,118,.08);
  color: var(--green);
  border: 1px solid rgba(0,230,118,.2);
}

.status-live::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--green);
  border-radius: 50%;
}

.project-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.project-card p {
  font-size: .87rem;
  color: var(--muted);
  flex: 1;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
}

.stack-item {
  font-size: .7rem;
  font-weight: 500;
  font-family: var(--font-mono);
  padding: .18rem .5rem;
  border-radius: 4px;
  background: var(--bg2);
  color: var(--muted);
  border: 1px solid var(--border);
}

.project-card--wide {
  grid-column: 1 / -1;
}

/* Cloud col labels */
.cloud-col-label {
  font-size: .68rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: .4rem;
}

.azure-label { color: rgba(0,120,212,.85); }
.aws-label { color: rgba(255,153,0,.85); }

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .45rem;
}

.service-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .18rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .5rem .4rem;
  text-align: center;
  transition: border-color .2s;
}

.service-item:hover { border-color: var(--accent); }

.service-icon { font-size: 1rem; }
.service-name { font-size: .7rem; font-weight: 700; color: var(--text); }
.service-tech { font-size: .62rem; color: var(--muted); font-family: var(--font-mono); }

/* Deploy methods layout */
.ct-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .5rem;
}

.ct-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: .5rem;
  width: calc(50% - .25rem);
}

.ct-label {
  font-size: .63rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}

.ct-badge {
  font-size: .55rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: .08rem .28rem;
  border-radius: 3px;
  background: rgba(108,99,255,.1);
  color: var(--accent);
  border: 1px solid rgba(108,99,255,.2);
  line-height: 1;
}

.services-row {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
}

.svc {
  font-size: .68rem;
  font-weight: 500;
  font-family: var(--font-mono);
  padding: .15rem .45rem;
  border-radius: 3px;
  background: var(--bg3);
  color: var(--muted);
  border: 1px solid var(--border);
}

/* Infra diagram */
.infra-section {
  margin-top: 1.5rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.infra-title {
  font-size: .7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.infra-flow {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: .2rem;
}

.infra-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .55rem .8rem;
  min-width: 76px;
  text-align: center;
  font-size: .72rem;
  transition: border-color .2s;
}

.infra-node:hover { border-color: var(--accent); }

.infra-node .node-icon { font-size: 1rem; }
.infra-node .node-label { color: var(--text); font-weight: 600; }
.infra-node .node-sub { color: var(--muted); font-size: .62rem; font-family: var(--font-mono); }

.infra-arrow {
  color: var(--muted);
  font-size: .85rem;
  flex-shrink: 0;
}

/* Contact */
#contact { background: var(--bg); }

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  margin-top: 1.75rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1.1rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: border-color .2s;
}

.contact-link:hover { border-color: var(--accent); }

.contact-link-icon {
  width: 36px; height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  background: var(--bg3);
  flex-shrink: 0;
}

.contact-link-info .label {
  font-size: .72rem;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.contact-link-info .value {
  font-size: .9rem;
  font-weight: 600;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.form-group label {
  font-size: .75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--muted);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  color: var(--text);
  font-family: var(--font);
  font-size: .92rem;
  transition: border-color .2s;
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(108,99,255,.08);
}

.form-group textarea { min-height: 120px; }

/* Footer */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  font-size: .83rem;
  color: var(--muted);
}

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

/* Fade-in */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  nav { padding: .8rem 1.2rem; gap: .75rem; }
  .nav-links { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 2rem; }
  .infra-flow { gap: .3rem; }
  .infra-node { min-width: 62px; padding: .45rem .5rem; }
}