/* Portfolio Anis Kasdi — sobre & pro, orienté cybersécurité */
:root {
  --bg: #0f1419;
  --bg-2: #141a21;
  --surface: #1a212b;
  --surface-2: #212a35;
  --border: #2a3542;
  --border-soft: #222c38;
  --ink: #eef2f6;
  --ink-soft: #b4c0cc;
  --muted: #8494a3;
  --accent: #4d8df0;
  --accent-soft: #1e2d44;
  --crit: #e5604d;
  --crit-bg: #2b1d1b;
  --ok: #3fb66f;
  --radius: 12px;
  --wrap: 1080px;
  --font: -apple-system, "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 10px; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 40; background: rgba(15,20,25,0.85);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { font-weight: 700; font-size: 1.05rem; display: inline-flex; align-items: center; gap: 10px; letter-spacing: -0.01em; }
.brand-mark {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #6f5df0); color: #fff; font-size: 0.82rem; font-weight: 800;
}
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 0.93rem; }
.nav-links a { color: var(--ink-soft); transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { border: 1px solid var(--border); padding: 7px 15px; border-radius: 8px; color: var(--ink) !important; }
.nav-cta:hover { border-color: var(--accent); background: var(--accent-soft); }
.menu-btn { display: none; background: none; border: 0; color: var(--ink); font-size: 1.5rem; cursor: pointer; }

/* HERO */
.hero {
  position: relative; padding: 92px 0 84px; overflow: hidden;
  background:
    radial-gradient(900px 420px at 72% -8%, rgba(77,141,240,0.14), transparent 60%),
    radial-gradient(700px 400px at 10% 108%, rgba(111,93,240,0.10), transparent 55%);
  border-bottom: 1px solid var(--border-soft);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.4;
  background-image: linear-gradient(var(--border-soft) 1px, transparent 1px), linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 54px 54px; mask-image: radial-gradient(760px 400px at 70% 0%, #000 20%, transparent 75%);
}
.hero-inner { position: relative; max-width: 820px; }
.eyebrow { color: var(--accent); font-size: 0.86rem; font-weight: 600; letter-spacing: 0.02em; margin: 0 0 14px;
  text-transform: uppercase; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.1; letter-spacing: -0.025em; margin: 0 0 18px; font-weight: 800; }
.accent { color: var(--accent); }
.lead { font-size: 1.18rem; color: var(--ink-soft); max-width: 640px; margin: 0 0 28px; }
.section-lead { color: var(--muted); font-size: 1.02rem; margin: -6px 0 26px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 9px; font-weight: 600; font-size: 0.97rem; transition: all 0.15s; cursor: pointer; border: 1px solid transparent; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #3a7ae0; transform: translateY(-1px); }
.btn-ghost { border-color: var(--border); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-soft); }
.hero-status { display: inline-flex; align-items: center; gap: 9px; color: var(--ink-soft); font-size: 0.92rem; margin: 0; }
.hero-status .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(63,182,111,0.18); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 3px rgba(63,182,111,0.18); } 50% { box-shadow: 0 0 0 7px rgba(63,182,111,0.05); } }

/* SECTIONS */
.section { padding: 76px 0; }
.section.alt { background: var(--bg-2); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
h2 { font-size: 1.9rem; letter-spacing: -0.02em; margin: 0 0 30px; display: flex; align-items: baseline; gap: 14px; }
h2 .num { font-size: 0.95rem; color: var(--accent); font-family: var(--mono); font-weight: 500; }
h3 { margin: 0 0 8px; letter-spacing: -0.01em; }

/* À PROPOS */
.about-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 36px; align-items: start; }
.about-grid p { color: var(--ink-soft); }
.about-grid p strong { color: var(--ink); }
.about-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; }
.about-card h3 { font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.8rem; margin-bottom: 14px; }
.facts { list-style: none; margin: 0; padding: 0; }
.facts li { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0; border-bottom: 1px solid var(--border-soft); font-size: 0.93rem; }
.facts li:last-child { border-bottom: 0; }
.facts span { color: var(--muted); }
.facts strong { color: var(--ink); text-align: right; }

/* COMPÉTENCES */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.skill-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; transition: border-color 0.15s; }
.skill-card:hover { border-color: var(--accent); }
.skill-card h3 { font-size: 1.1rem; }
.skill-desc { color: var(--muted); font-size: 0.9rem; margin: 0 0 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chips span { background: var(--surface-2); border: 1px solid var(--border); color: var(--ink-soft); font-size: 0.82rem; padding: 4px 10px; border-radius: 6px; }

/* PROJETS */
.project { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; margin-bottom: 20px; }
.project.feature { background: linear-gradient(180deg, var(--surface), var(--bg-2)); border-color: #34485f; }
.project-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 12px; }
.project-head h3 { font-size: 1.25rem; margin: 6px 0 0; }
.project.feature .project-head h3 { font-size: 1.45rem; }
.project-tag { flex: none; font-size: 0.78rem; color: var(--accent); background: var(--accent-soft); border: 1px solid #2f4a6e; padding: 4px 11px; border-radius: 999px; white-space: nowrap; }
.project p { color: var(--ink-soft); margin: 0 0 12px; }
.project-points { margin: 0 0 6px; padding-left: 18px; color: var(--ink-soft); }
.project-points li { margin: 5px 0; font-size: 0.94rem; }
.project-points strong { color: var(--ink); }
.project-note { color: var(--muted); font-size: 0.86rem; font-style: italic; margin: 10px 0 0; }
.badge { display: inline-block; font-size: 0.76rem; font-weight: 700; padding: 3px 11px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.03em; }
.badge-crit { background: var(--crit-bg); color: var(--crit); border: 1px solid #4a2b26; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.projects-grid .project { margin-bottom: 0; }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.service { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: transform 0.15s, border-color 0.15s; }
.service:hover { transform: translateY(-3px); border-color: var(--accent); }
.service-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-size: 1.4rem; margin-bottom: 14px; }
.service h3 { font-size: 1.08rem; }
.service p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-bottom: 22px; }
.contact-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 3px; transition: border-color 0.15s, transform 0.15s; }
.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-ic { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 9px; background: var(--accent-soft); color: var(--accent); font-weight: 700; margin-bottom: 8px; font-size: 1.05rem; }
.contact-label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.contact-val { color: var(--ink); font-weight: 600; font-size: 0.95rem; word-break: break-all; }
.contact-copy { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }
.contact-copy button { background: none; border: 1px solid var(--border); color: var(--ink-soft); border-radius: 6px; padding: 1px 8px; font: inherit; font-size: 0.8rem; cursor: pointer; }
.contact-copy button:hover { border-color: var(--accent); color: var(--ink); }
.contact-loc { color: var(--muted); font-size: 0.92rem; }

/* FOOTER */
.footer { border-top: 1px solid var(--border-soft); padding: 24px 0; background: var(--bg-2); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; color: var(--muted); font-size: 0.85rem; }
.footer-note { max-width: 560px; }

@media (max-width: 760px) {
  .nav-links { position: fixed; inset: 62px 0 auto 0; background: var(--bg-2); flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--border); padding: 8px 0; display: none; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 20px; width: 100%; }
  .nav-cta { margin: 8px 20px; text-align: center; }
  .menu-btn { display: block; }
  .about-grid { grid-template-columns: 1fr; gap: 22px; }
  .section { padding: 56px 0; }
  .hero { padding: 64px 0 56px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
}