/* ===== Portfolio - Brundon Ewanye ===== */

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

:root {
  --bg: #f6f8fc;
  --bg-alt: #eef2fb;
  --accent: #4f46e5;
  --accent-soft: #6366f1;
  --accent-2: #06b6d4;
  --text: #0f172a;
  --text-muted: #56617a;
  --border: #e1e6f2;
  --card-bg: rgba(255,255,255,0.72);
  --card-border: rgba(255,255,255,0.9);
  --term-bg: #0f172a;
  --term-text: #e2e8f0;
  --term-green: #4ade80;
  --shadow: 0 4px 20px rgba(79,70,229,0.08);
  --shadow-hover: 0 16px 40px rgba(79,70,229,0.18);
  --radius: 20px;
  --radius-sm: 12px;
}
:root[data-theme="dark"] {
  --bg: #05070f;
  --bg-alt: #0d1424;
  --accent: #818cf8;
  --accent-soft: #a5b4fc;
  --accent-2: #22d3ee;
  --text: #edf1fd;
  --text-muted: #8c98bd;
  --border: rgba(255,255,255,0.08);
  --card-bg: rgba(20,27,48,0.6);
  --card-border: rgba(255,255,255,0.06);
  --shadow: 0 4px 24px rgba(0,0,0,0.45);
  --shadow-hover: 0 18px 44px rgba(0,0,0,0.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background:
    radial-gradient(circle at 8% 4%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 40%),
    radial-gradient(circle at 95% 10%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 42%),
    radial-gradient(circle at 10% 90%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 40%),
    radial-gradient(circle at 88% 95%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 42%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.65;
  letter-spacing: -0.005em;
  transition: background-color .4s ease, color .4s ease;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .brand, .step-num, .role {
  font-family: "Space Grotesk", "Inter", system-ui, sans-serif;
}

/* ===== Nav ===== */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem;
  background: color-mix(in srgb, var(--bg) 62%, transparent);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
}
nav .brand {
  font-weight: 700; letter-spacing: -0.01em; font-size: 1.08rem;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
nav ul { list-style: none; display: flex; gap: 0.3rem; flex-wrap: wrap; }
nav a {
  color: var(--text-muted); text-decoration: none; font-size: 0.87rem; font-weight: 600;
  position: relative; padding: 0.4rem 0.7rem; border-radius: 999px; transition: color .2s ease, background .2s ease;
}
nav a:hover { color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
#theme-toggle {
  border: 1px solid var(--border); background: var(--card-bg); color: var(--text);
  border-radius: 999px; width: 38px; height: 38px; cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(6px);
  transition: transform .3s ease, box-shadow .3s ease;
}
#theme-toggle:hover { transform: rotate(20deg); box-shadow: var(--shadow); }

/* ===== Header / hero ===== */
header {
  padding: 7rem 2rem 4.5rem; text-align: center; border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
header::before {
  content: ""; position: absolute; inset: -40% -10% auto -10%; height: 140%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 16%, transparent), transparent);
  animation: drift 12s ease-in-out infinite alternate; z-index: 0;
}
@keyframes drift {
  from { transform: translate(-4%, -2%) scale(1); }
  to   { transform: translate(4%, 2%) scale(1.08); }
}
header > * { position: relative; z-index: 1; }
header h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.2rem); font-weight: 700; letter-spacing: -0.035em;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: rise .7s ease both;
}
.role { font-size: 1.15rem; color: var(--accent-soft); font-weight: 600; margin-top: 0.5rem; animation: rise .7s ease .1s both; }
.tagline { max-width: 660px; margin: 1.1rem auto 0; color: var(--text-muted); animation: rise .7s ease .2s both; }
.container-badge {
  display: inline-block; margin-top: 1.5rem; padding: 0.55rem 1.2rem; border: 1px solid var(--border);
  border-radius: 999px; background: var(--card-bg); box-shadow: var(--shadow); font-size: 0.9rem;
  cursor: pointer; text-decoration: none; color: var(--text);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  animation: rise .7s ease .3s both;
}
.container-badge:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: var(--accent-soft); }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.alt-info {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.6rem;
  margin-top: 1.8rem; font-size: 0.88rem; color: var(--text-muted);
}
.alt-info strong { color: var(--text); }

/* ===== Layout ===== */
main { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }
section { padding: 4rem 0; border-bottom: 1px solid var(--border); }
html.js-ready section { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
html.js-ready section.visible { opacity: 1; transform: translateY(0); }
section:last-of-type { border-bottom: none; }
section h2 {
  font-size: 1.55rem; font-weight: 700; color: var(--accent);
  border-left: 4px solid var(--accent); padding-left: 0.8rem; margin-bottom: 1.3rem;
}
section .section-intro { color: var(--text-muted); margin-bottom: 1.4rem; font-size: 0.94rem; max-width: 640px; }

/* ===== Cards ===== */
.project-card, .card {
  padding: 1.4rem 1.5rem; border: 1px solid var(--card-border); border-radius: var(--radius);
  background: var(--card-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  margin-bottom: 1rem; box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.project-card:hover, .card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: color-mix(in srgb, var(--accent) 40%, var(--card-border)); }
.project-card h3, .card h3 { font-size: 1.08rem; margin-bottom: 0.55rem; color: var(--text); font-weight: 600; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.75rem; }
.project-tags span {
  font-size: 0.72rem; font-weight: 600; padding: 0.22rem 0.65rem; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent);
}
.project-card p, .card .meta { color: var(--text-muted); margin-bottom: 0.85rem; font-size: 0.92rem; }

/* ===== Cartes dépliables (Réalisations) ===== */
.project-card.expandable { cursor: pointer; outline: none; }
.project-card.expandable h3 { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; }
.expand-icon {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 400; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  transition: transform .3s ease, background .2s ease;
}
.project-card.expandable:hover .expand-icon { background: color-mix(in srgb, var(--accent) 22%, transparent); }
.project-card.expandable.open .expand-icon { transform: rotate(135deg); }
.expand-panel {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .35s ease, opacity .3s ease, margin .35s ease;
}
.project-card.expandable.open .expand-panel { max-height: 320px; opacity: 1; margin-bottom: 0.85rem; }
.expand-panel ul { padding-left: 1.1rem; }
.expand-panel li { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 0.4rem; }
.expand-panel code {
  background: color-mix(in srgb, var(--accent) 10%, transparent); color: var(--accent);
  padding: 0.1rem 0.4rem; border-radius: 6px; font-size: 0.82rem;
}
.project-link {
  display: inline-flex; align-items: center; gap: 0.4rem; color: var(--accent); text-decoration: none;
  font-weight: 700; font-size: 0.9rem; padding: 0.55rem 1.1rem; border-radius: 999px; border: 1px solid var(--accent);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.project-link:hover { background: linear-gradient(100deg, var(--accent), var(--accent-2)); color: #fff; transform: translateY(-1px); border-color: transparent; }

/* ===== Job carousel (Jobs 1-8) ===== */
.job-carousel { position: relative; outline: none; }
.carousel-track {
  display: flex;
  transition: transform .45s cubic-bezier(.22,.61,.36,1);
}
.job-carousel .job-card {
  flex: 0 0 100%;
  min-height: 220px;
}
.carousel-controls {
  display: flex; align-items: center; justify-content: center; gap: 1rem;
  margin-top: 1.2rem;
}
.carousel-arrow {
  width: 42px; height: 42px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text); font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, opacity .2s ease;
}
.carousel-arrow:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--accent-soft); }
.carousel-arrow:disabled { opacity: 0.35; cursor: default; }
.carousel-dots { display: flex; gap: 0.5rem; }
.carousel-dot {
  width: 9px; height: 9px; border-radius: 999px; border: none; padding: 0;
  background: var(--border); cursor: pointer; transition: transform .2s ease, background .2s ease, width .2s ease;
}
.carousel-dot.active { background: linear-gradient(100deg, var(--accent), var(--accent-2)); width: 24px; }
.carousel-dot:hover { transform: scale(1.2); }
@media (min-width: 640px) {
  .carousel-track { touch-action: pan-y; }
}

/* ===== Featured project (Eau Vive) ===== */
.featured-project {
  padding-top: 3rem;
}
.featured-project .project-card {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--card-border));
  box-shadow: var(--shadow-hover);
}

/* ===== Job grid fallback (unused, kept for reference) ===== */
.job-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.job-card {
  padding: 1.3rem 1.4rem; border: 1px solid var(--card-border); border-radius: var(--radius);
  background: var(--card-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.job-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: color-mix(in srgb, var(--accent) 40%, var(--card-border)); }
.job-card .job-num {
  align-self: flex-start; font-size: 0.72rem; font-weight: 700; letter-spacing: .05em;
  padding: 0.2rem 0.6rem; border-radius: 999px; color: #fff;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
}
.job-card h3 { font-size: 1.02rem; color: var(--text); font-weight: 600; }
.job-card p { color: var(--text-muted); font-size: 0.88rem; flex-grow: 1; }
.job-card .project-tags { margin-top: 0.2rem; }
.job-card .project-link { align-self: flex-start; padding: 0.4rem 0.9rem; font-size: 0.82rem; margin-top: 0.3rem; }

/* ===== Timeline (Parcours) ===== */
.step { display: flex; gap: 1.1rem; padding: 1.1rem 0; border-top: 1px solid var(--border); }
.step:first-child { border-top: none; }
.step-num {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent);
  font-weight: 700; font-size: 0.85rem; display: flex; align-items: center; justify-content: center;
}
.step h4 { font-size: 1rem; margin-bottom: 0.25rem; color: var(--text); font-weight: 600; }
.step p { color: var(--text-muted); font-size: 0.88rem; }
.step a { color: var(--accent); text-decoration: none; font-weight: 600; }
.step a:hover { text-decoration: underline; }

/* ===== Badges / skills ===== */
.badges, .skills-group { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.skills-group { margin-bottom: 1.3rem; }
.skills-group h4 {
  flex-basis: 100%; color: var(--text-muted); font-size: 0.82rem; text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: 0.5rem; font-weight: 600;
}
.badge, .skill-badge {
  display: inline-block; padding: 0.4rem 0.9rem; border-radius: 999px; border: 1px solid var(--border);
  background: var(--card-bg); font-size: 0.85rem; color: var(--text);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.badge:hover, .skill-badge:hover { transform: translateY(-2px) scale(1.03); box-shadow: var(--shadow); border-color: var(--accent-soft); }
.skill-badge.learning { border-style: dashed; color: var(--text-muted); }

.current-badge {
  display: inline-block; background: color-mix(in srgb, var(--term-green) 20%, transparent); color: #15803d;
  font-size: 0.72rem; font-weight: 700; padding: 0.18rem 0.6rem; border-radius: 999px; margin-bottom: 0.4rem;
}
:root[data-theme="dark"] .current-badge { color: #4ade80; }

/* ===== Accordion ===== */
.accordion {
  border: 1px solid var(--card-border); border-radius: var(--radius); background: var(--card-bg);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow); overflow: hidden;
}
.accordion + .accordion { margin-top: 0.9rem; }
.accordion summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.3rem; font-size: 1rem; font-weight: 700; color: var(--text); -webkit-tap-highlight-color: transparent;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary .chevron { transition: transform .3s ease; color: var(--accent); }
.accordion[open] summary .chevron { transform: rotate(180deg); }
.accordion summary:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.accordion-panel { padding: 0 1.3rem 1.3rem; }
.accordion-panel ul { padding-left: 1.2rem; margin-top: 0.5rem; }
.accordion-panel li { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.4rem; }

/* ===== Contact / status ===== */
.contact-line { display: flex; align-items: center; gap: 0.6rem; padding: 0.5rem 0; color: var(--text-muted); }
.contact-line a {
  color: var(--accent); text-decoration: none; font-weight: 600; padding: 0.4rem 0.8rem; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg); transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.contact-line a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-1px); }

.status-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.status-pill {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.35rem 0.8rem; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card-bg); font-size: 0.82rem; color: var(--text-muted);
}
.status-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--term-green); box-shadow: 0 0 8px var(--term-green); }

footer { text-align: center; padding: 2.4rem 1rem; color: var(--text-muted); font-size: 0.85rem; }

.back-to-top {
  position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 90; width: 46px; height: 46px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #fff; text-decoration: none;
  font-size: 1.1rem; box-shadow: var(--shadow-hover); transition: transform .2s ease, opacity .2s ease;
}
.back-to-top:hover { transform: translateY(-3px) scale(1.06); }

@media (max-width: 640px) {
  nav ul { gap: 0.85rem; }
  nav a { font-size: 0.82rem; }
  header { padding: 4.5rem 1.25rem 3rem; }
  .job-grid { grid-template-columns: 1fr; }
}