/* Variables */
:root {
  --primary: #4d9fff; --primary-dark: #3a7fd8; --secondary: #ff8a5c;
  --accent: #3ddc97; --danger: #ff5252; --warning: #ffb74d; --success: #4caf50;
  --bg-dark: #0a0e27; --bg-card: #151932; --bg-alt: #1a1f3a;
  --text-primary: #ffffff; --text-secondary: #a8b2d1;
  --border: #2a2f4a; --glow: rgba(77, 159, 255, 0.4);
  --nav-h: 68px;
  --gap-section: clamp(50px, 8vw, 90px);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg-dark); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; -webkit-text-size-adjust: 100%; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 20px); }

.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--secondary)); width: 0%; z-index: 9999; transition: width 0.1s; }
.cursor-glow { position: fixed; width: 40px; height: 40px; border-radius: 50%; background: radial-gradient(circle, var(--glow) 0%, transparent 70%); pointer-events: none; z-index: 9998; display: none; }
body.has-hover .cursor-glow { display: block; }

/* Nav */
.nav { position: fixed; top: 0; left: 0; right: 0; background: rgba(10, 14, 39, 0.95); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid var(--border); }
.nav__inner { max-width: 1200px; margin: 0 auto; padding: 12px clamp(16px, 4vw, 20px); display: flex; align-items: center; justify-content: space-between; min-height: var(--nav-h); }
.nav__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-primary); font-weight: 700; font-size: 1.1rem; }
.nav__logo-mark { width: 38px; height: 38px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 800; flex-shrink: 0; }
.nav__logo-text { white-space: nowrap; }
.nav__menu { display: flex; gap: clamp(10px, 2vw, 25px); align-items: center; }
.nav__link { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.3s; }
.nav__link:hover, .nav__link.is-active { color: var(--primary); }
.nav__link--cta { background: var(--primary); color: white !important; padding: 8px 16px; border-radius: 6px; }
.nav__link--cta:hover { background: var(--primary-dark); }
.nav__toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 8px; z-index: 1001; }
.nav__toggle span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: 0.3s; }
.nav__toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav__overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.nav__overlay.active { opacity: 1; pointer-events: auto; }

/* Dropdowns */
.nav__dropdown { position: relative; }
.nav__dropdown-toggle { background: none; border: none; color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 6px; transition: color 0.3s; font-family: inherit; padding: 6px 0; }
.nav__dropdown-toggle:hover { color: var(--primary); }
.nav__dropdown-toggle i { font-size: 0.7rem; transition: transform 0.3s; }
.nav__dropdown.active .nav__dropdown-toggle i { transform: rotate(180deg); }
.nav__dropdown-menu { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px); background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 10px 0; min-width: 180px; opacity: 0; visibility: hidden; transition: opacity 0.3s, transform 0.3s, visibility 0.3s; box-shadow: 0 10px 25px rgba(0,0,0,0.5); z-index: 100; }
.nav__dropdown.active .nav__dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav__dropdown-link { display: block; padding: 8px 20px; color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; transition: background 0.2s, color 0.2s; white-space: nowrap; }
.nav__dropdown-link:hover { background: rgba(77,159,255,0.1); color: var(--primary); }

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; justify-content: center; padding: calc(var(--nav-h) + 30px) 0 40px; overflow: hidden; }
.hero__bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: 0; }
.hero__canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.hero__grid { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-image: linear-gradient(rgba(77,159,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(77,159,255,0.03) 1px, transparent 1px); background-size: 50px 50px; }
.hero__orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.3; }
.hero__orb--1 { width: 400px; height: 400px; background: var(--primary); top: 10%; left: 10%; animation: float 20s ease-in-out infinite; }
.hero__orb--2 { width: 300px; height: 300px; background: var(--secondary); bottom: 20%; right: 15%; animation: float 25s ease-in-out infinite reverse; }
.hero__orb--3 { width: 350px; height: 350px; background: var(--accent); top: 50%; left: 50%; animation: float 30s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translate(0,0); } 33% { transform: translate(30px,-30px); } 66% { transform: translate(-20px,20px); } }

.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(20px, 4vw, 40px); align-items: center; max-width: 1100px; width: 100%; }
.hero__content { text-align: left; }
.hero__badge { display: inline-block; padding: 8px 16px; background: rgba(77,159,255,0.1); border: 1px solid var(--primary); border-radius: 20px; font-size: 0.8rem; color: var(--primary); margin-bottom: 18px; }
.hero__title { font-size: clamp(1.9rem, 5.5vw, 3.2rem); font-weight: 800; line-height: 1.1; margin-bottom: 14px; background: linear-gradient(135deg, var(--text-primary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__title-accent { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__role { font-size: clamp(1rem, 2.4vw, 1.2rem); color: var(--text-secondary); margin-bottom: 8px; }
.hero__tagline { font-size: 0.95rem; color: var(--accent); margin-bottom: 14px; font-style: italic; }
.hero__desc { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 22px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: all 0.3s; border: 2px solid transparent; cursor: pointer; min-height: 44px; }
.btn--primary { background: var(--primary); color: white; }
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(77,159,255,0.3); }
.btn--ghost { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.hero__meta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 25px; color: var(--text-secondary); font-size: 0.85rem; align-items: center; }
.hero__meta a { color: var(--primary); text-decoration: none; }
.hero__meta i { margin-right: 5px; }
.hero__meta-copy { background: none; border: none; color: var(--text-secondary); font: inherit; cursor: pointer; padding: 4px 0; }
.hero__meta-copy:hover { color: var(--primary); }
.hero__media { display: flex; justify-content: center; align-items: center; }
.hero__photo { width: min(320px, 60vw); height: auto; aspect-ratio: 4/5; object-fit: cover; border-radius: 16px; border: 3px solid var(--border); box-shadow: 0 20px 60px rgba(0,0,0,0.5); }

.hero__terminal { grid-column: 1 / -1; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; max-width: 800px; margin: 0 auto; text-align: left; width: 100%; }
.terminal__bar { background: var(--bg-alt); padding: 10px 15px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border); }
.terminal__dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.terminal__dot--red { background: #ff5f56; } .terminal__dot--yellow { background: #ffbd2e; } .terminal__dot--green { background: #27c93f; }
.terminal__title { margin-left: 10px; font-size: 0.8rem; color: var(--text-secondary); font-family: 'JetBrains Mono', monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.terminal__body { padding: 18px; font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; min-height: 130px; max-height: 220px; overflow-y: auto; }
.t-line { margin-bottom: 8px; word-break: break-word; } .t-prompt { color: var(--primary); } .t-typed { color: var(--text-primary); }
.t-out { color: var(--text-secondary); margin-bottom: 8px; } .t-out strong { color: var(--accent); }
.t-blink { animation: blink 1s step-end infinite; } .t-cursor { color: var(--primary); }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
.shell__form { display: flex; align-items: center; padding: 10px 18px; border-top: 1px solid var(--border); background: var(--bg-alt); }
.shell__input { flex: 1; background: transparent; border: none; color: var(--text-primary); font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; outline: none; margin-left: 10px; min-width: 0; }
.shell__quick { display: flex; gap: 8px; flex-wrap: wrap; padding: 0 18px 14px; }
.shell__quick button { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; padding: 6px 10px; background: var(--bg-dark); color: var(--text-secondary); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; transition: 0.2s; }
.shell__quick button:hover, .shell__quick button:active { border-color: var(--primary); color: var(--primary); }
.hero__scroll { display: inline-block; color: var(--primary); font-size: 1.4rem; animation: bounce 2s infinite; text-align: center; margin-top: 25px; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(10px); } }

/* Sections */
.section { padding: var(--gap-section) 0; }
.section--alt { background: var(--bg-alt); }
.section--contact { background: linear-gradient(135deg, var(--bg-dark), var(--bg-alt)); }
.section__head { text-align: center; margin-bottom: clamp(35px, 6vw, 60px); }
.section__tag { display: inline-block; padding: 6px 12px; background: rgba(77,159,255,0.1); color: var(--primary); border-radius: 6px; font-size: 0.8rem; font-weight: 600; margin-bottom: 14px; }
.section__title { font-size: clamp(1.5rem, 4.5vw, 2.5rem); font-weight: 800; margin-bottom: 12px; }
.section__sub { color: var(--text-secondary); font-size: clamp(0.9rem, 2vw, 1.1rem); max-width: 700px; margin: 0 auto; }
.sub-title { font-size: 1.1rem; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.sub-title--mt { margin-top: 28px; }

/* Profil */
.profil { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(20px, 4vw, 40px); align-items: start; }
.profil__card { background: var(--bg-card); padding: clamp(20px, 4vw, 30px); border-radius: 12px; border: 1px solid var(--border); display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 15px; }
.profil__stat { display: flex; flex-direction: column; }
.profil__stat-num { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; color: var(--primary); }
.profil__stat-label { color: var(--text-secondary); font-size: 0.85rem; }
.profil__text p { margin-bottom: 15px; color: var(--text-secondary); font-size: clamp(0.95rem, 2vw, 1.05rem); }
.profil__chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; background: rgba(77,159,255,0.1); border: 1px solid var(--border); border-radius: 20px; font-size: 0.85rem; color: var(--text-primary); }
.chip i { color: var(--primary); }

/* Skills */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: clamp(16px, 3vw, 25px); margin-bottom: clamp(28px, 5vw, 40px); }
.skill { background: var(--bg-card); padding: clamp(20px, 4vw, 28px); border-radius: 12px; border: 1px solid var(--border); transition: transform 0.3s, box-shadow 0.3s; }
.skill:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(77,159,255,0.2); }
.skill__icon { width: 52px; height: 52px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: white; margin-bottom: 16px; }
.skill__title { font-size: 1.1rem; margin-bottom: 16px; }
.bar { margin-bottom: 14px; }
.bar__label { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 0.82rem; color: var(--text-secondary); gap: 8px; }
.bar__pct { color: var(--primary); font-weight: 600; flex-shrink: 0; }
.bar__track { height: 8px; background: var(--bg-alt); border-radius: 4px; overflow: hidden; }
.bar__fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); width: 0; transition: width 1s ease; display: block; }

/* Radar */
.radar { margin-top: clamp(24px, 4vw, 40px); background: var(--bg-card); padding: clamp(18px, 4vw, 30px); border-radius: 12px; border: 1px solid var(--border); }
.radar__head { text-align: center; margin-bottom: 18px; }
.radar__wrap { display: flex; flex-direction: column; align-items: center; gap: 18px; }
#radarChart { max-width: 100%; height: auto; touch-action: pan-y; }
.radar__legend { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; list-style: none; }
.radar__legend li { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; padding: 4px 8px; border-radius: 6px; cursor: default; transition: background 0.2s; }
.radar__legend li.legend--hi { background: rgba(77,159,255,0.12); }
.legend-dot { width: 12px; height: 12px; border-radius: 3px; display: inline-block; background: var(--c); }

/* Architecture FTTH */
.arch { background: var(--bg-card); padding: clamp(20px, 5vw, 40px); border-radius: 12px; border: 1px solid var(--border); position: relative; overflow: hidden; }
.arch__flow { position: absolute; top: 0; left: 0; right: 0; bottom: 0; pointer-events: none; z-index: 0; }
.arch__flowline { position: absolute; width: 2px; background: linear-gradient(180deg, transparent, var(--primary), transparent); opacity: 0.3; animation: flowV 4s linear infinite; }
.arch__flowline--1 { left: 20%; height: 100%; }
.arch__flowline--2 { left: 50%; height: 100%; animation-delay: 1s; }
.arch__flowline--3 { left: 80%; height: 100%; animation-delay: 2s; }
@keyframes flowV { 0% { top: -50%; } 100% { top: 150%; } }
.arch__lane { position: relative; z-index: 1; padding: 18px 0; border-bottom: 1px dashed var(--border); }
.arch__lane:last-of-type { border-bottom: none; }
.arch__lane-label { display: inline-block; padding: 4px 12px; background: var(--primary); color: white; border-radius: 4px; font-size: 0.72rem; font-weight: 600; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 1px; }
.arch__nodes { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.arch__node { background: var(--bg-alt); padding: 14px 18px; border-radius: 10px; border: 1px solid var(--border); text-align: center; min-width: 120px; flex: 1 1 120px; max-width: 200px; transition: all 0.3s; cursor: pointer; }
.arch__node:hover, .arch__node:focus-visible, .arch__node.is-tapped { border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(77,159,255,0.2); outline: none; }
.arch__node i { font-size: 1.4rem; color: var(--primary); display: block; margin-bottom: 8px; }
.arch__node span { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 3px; }
.arch__node small { display: block; font-size: 0.72rem; color: var(--text-secondary); }
.arch__bar { display: flex; gap: 15px; flex-wrap: wrap; justify-content: center; margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--border); }
.arch__bar-item { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--text-secondary); }
.arch__bar-item i { color: var(--primary); }
.arch__ops { margin-top: 26px; text-align: center; }
.arch__log { margin-top: 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 14px; text-align: left; max-width: 700px; margin-left: auto; margin-right: auto; min-height: 80px; max-height: 220px; overflow-y: auto; }
.arch__log-line { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--accent); margin-bottom: 5px; word-break: break-word; }

/* Carte réseau 5G */
.netmap { position: relative; background: var(--bg-card); padding: clamp(20px, 4vw, 40px) clamp(14px, 3vw, 25px) 80px; border-radius: 12px; border: 1px solid var(--border); display: flex; align-items: stretch; justify-content: center; gap: 16px; flex-wrap: wrap; }
.netmap__zone { padding: 16px; background: rgba(77,159,255,0.05); border: 2px dashed var(--border); border-radius: 12px; display: flex; flex-direction: column; gap: 12px; min-width: 150px; justify-content: center; }
.netmap__zone--core { flex: 1 1 420px; }
.netmap__nodes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.netmap__zone-title { text-align: center; font-weight: 600; color: var(--primary); margin-bottom: 4px; font-size: 0.85rem; }
.netmap__node { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 8px; background: var(--bg-alt); border-radius: 10px; border: 2px solid var(--border); cursor: pointer; transition: all 0.3s; }
.netmap__node:hover, .netmap__node:focus-visible, .netmap__node.is-tapped { border-color: var(--primary); transform: translateY(-4px); box-shadow: 0 10px 25px rgba(77,159,255,0.3); outline: none; }
.netmap__node i { font-size: 1.4rem; color: var(--primary); }
.netmap__node span { font-weight: 600; font-size: 0.85rem; }
.netmap__node small { font-size: 0.68rem; color: var(--text-secondary); }
.netmap__conn { align-self: center; width: 32px; height: 2px; background: var(--border); position: relative; flex-shrink: 0; }
.netmap__flow { position: absolute; top: 0; left: 0; height: 100%; width: 30%; background: var(--primary); animation: flow 2s linear infinite; }
@keyframes flow { 0% { left: 0; } 100% { left: 70%; } }
.netmap__tooltip { position: absolute; bottom: 15px; left: 50%; transform: translateX(-50%); padding: 10px 16px; background: var(--primary); color: #fff; border-radius: 8px; font-size: 0.82rem; max-width: 92%; text-align: center; opacity: 0; transition: opacity 0.3s; pointer-events: none; z-index: 5; }
.netmap__tooltip strong { color: #fff; text-transform: uppercase; letter-spacing: 0.5px; }

/* SOC / NOC */
.soc { background: var(--bg-card); border-radius: 12px; border: 1px solid var(--border); overflow: hidden; margin-bottom: 28px; }
.soc__top { padding: 18px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.soc__status { display: flex; align-items: center; gap: 10px; font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; flex-wrap: wrap; }
.soc__pulse { width: 10px; height: 10px; background: var(--success); border-radius: 50%; animation: pulse 2s infinite; flex-shrink: 0; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
.soc__tabs { display: flex; gap: 8px; }
.soc__tab { padding: 6px 12px; background: var(--bg-alt); border-radius: 6px; font-size: 0.8rem; cursor: pointer; transition: 0.2s; }
.soc__tab--active { background: var(--primary); color: white; }
.soc__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr)); gap: 18px; padding: 18px; }
.soc__card { background: var(--bg-alt); padding: 18px; border-radius: 8px; }
.soc__label { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 14px; }
.soc__bar { height: 8px; background: var(--bg-dark); border-radius: 4px; overflow: hidden; margin-bottom: 10px; }
.soc__fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); width: 0; transition: width 1s ease; display: block; }
.soc__fill--blue { background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.soc__fill--orange { background: linear-gradient(90deg, var(--secondary), var(--warning)); }
.soc__meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.soc__val { font-size: 1.15rem; font-weight: 700; color: var(--primary); }
.soc__hint { font-size: 0.78rem; color: var(--text-secondary); }
.soc__threat { display: flex; align-items: center; justify-content: center; height: 40px; margin-bottom: 10px; }
.soc__threat-badge { padding: 6px 12px; background: var(--success); color: white; border-radius: 6px; font-weight: 600; font-size: 0.82rem; }
.soc__panel { padding: 0 18px 18px; }
.soc__alertlist { list-style: none; display: flex; flex-direction: column; gap: 10px; padding: 18px; }
.soc__alertlist li { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--text-secondary); background: var(--bg-alt); padding: 12px 14px; border-radius: 8px; }
.soc__alert-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.soc__alert-dot--ok { background: var(--success); }
.soc__alert-dot--warn { background: var(--warning); }
.soc__netlist { display: flex; flex-direction: column; gap: 10px; padding: 18px; }
.soc__netitem { display: flex; justify-content: space-between; align-items: center; background: var(--bg-alt); padding: 12px 14px; border-radius: 8px; font-size: 0.88rem; gap: 10px; }
.soc__netstate { font-size: 0.75rem; padding: 4px 10px; border-radius: 6px; font-weight: 600; white-space: nowrap; }
.soc__netstate--on { background: rgba(76,175,80,0.15); color: var(--success); }
.soc__netstate--warn { background: rgba(255,183,77,0.15); color: var(--warning); }

/* QoS cards */
.crypto { background: var(--bg-card); padding: clamp(20px, 4vw, 40px); border-radius: 12px; border: 1px solid var(--border); }
.pq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(160px, 100%), 1fr)); gap: 14px; margin-top: 18px; }
.pq-card { background: var(--bg-alt); padding: 18px; border-radius: 8px; text-align: center; transition: transform 0.3s; }
.pq-card:hover { transform: translateY(-5px); }
.pq-card__name { display: block; font-size: 1.2rem; font-weight: 700; margin-bottom: 5px; color: var(--primary); }
.pq-card__type { display: block; font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 10px; }
.pq-card__badge { display: inline-block; padding: 4px 10px; border-radius: 4px; font-size: 0.72rem; font-weight: 600; }
.pq-card__badge--nist { background: var(--success); color: white; }
.pq-card__badge--safe { background: var(--warning); color: white; }

/* Lab demos */
.labdemos { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 18px; }
.labdemo { background: var(--bg-alt); padding: 18px; border-radius: 10px; border: 1px solid var(--border); }
.labdemo__head { font-size: 0.98rem; font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; color: var(--primary); }
.labdemo__desc { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 12px; }
.labdemo__ctl { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.labdemo__ctl button { padding: 10px 16px; background: var(--primary); color: white; border: none; border-radius: 6px; font-weight: 600; cursor: pointer; font-size: 0.82rem; transition: background 0.3s; display: inline-flex; align-items: center; gap: 6px; min-height: 40px; }
.labdemo__ctl button:hover { background: var(--primary-dark); }
.labdemo__log { background: var(--bg-dark); padding: 10px 14px; border-radius: 6px; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--accent); min-height: 40px; max-height: 120px; overflow-y: auto; word-break: break-word; }
.labdemo__procs { margin: 10px 0; display: flex; flex-direction: column; gap: 6px; }
.proc { font-size: 0.78rem; color: var(--text-secondary); display: flex; align-items: center; gap: 8px; font-family: 'JetBrains Mono', monospace; flex-wrap: wrap; }
.proc__dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.proc__dot--on { background: var(--success); }
.proc__dot--off { background: var(--danger); }

/* Timeline */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 30px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline__item { position: relative; padding-left: 70px; margin-bottom: 36px; }
.timeline__dot { position: absolute; left: 20px; top: 20px; width: 20px; height: 20px; background: var(--primary); border-radius: 50%; border: 4px solid var(--bg-dark); }
.timeline__card { background: var(--bg-card); padding: clamp(18px, 3vw, 25px); border-radius: 12px; border: 1px solid var(--border); }
.timeline__head { display: flex; justify-content: space-between; align-items: start; margin-bottom: 10px; gap: 10px; flex-wrap: wrap; }
.timeline__title { font-size: 1.1rem; }
.timeline__date { color: var(--primary); font-size: 0.85rem; font-weight: 600; white-space: nowrap; }
.timeline__org { color: var(--text-secondary); margin-bottom: 14px; font-size: 0.9rem; }
.timeline__org i { margin-right: 5px; }
.timeline__list { list-style: none; color: var(--text-secondary); font-size: 0.9rem; }
.timeline__list li { margin-bottom: 8px; padding-left: 20px; position: relative; }
.timeline__list li::before { content: '▹'; position: absolute; left: 0; color: var(--primary); }

/* Projects */
.projects__filters { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 28px; }
.pfilter { padding: 8px 16px; border-radius: 20px; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-secondary); font-size: 0.85rem; cursor: pointer; transition: 0.2s; min-height: 40px; }
.pfilter:hover { border-color: var(--primary); color: var(--primary); }
.pfilter--active { background: var(--primary); color: #fff; border-color: var(--primary); }
.projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: clamp(16px, 3vw, 25px); }
.project { background: var(--bg-card); padding: clamp(18px, 4vw, 28px); border-radius: 12px; border: 1px solid var(--border); transition: transform 0.3s, box-shadow 0.3s, opacity 0.3s; cursor: pointer; }
.project:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(77,159,255,0.2); }
.project.is-hidden { display: none; }
.project__icon { width: 52px; height: 52px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: white; margin-bottom: 16px; }
.project__tophead { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.project__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project__tags span { padding: 4px 10px; background: rgba(77,159,255,0.1); border-radius: 4px; font-size: 0.72rem; color: var(--primary); }
.project__status { flex-shrink: 0; padding: 4px 10px; border-radius: 20px; font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; white-space: nowrap; }
.project__status--done { background: rgba(76,175,80,0.15); color: var(--success); }
.project__status--progress { background: rgba(255,183,77,0.15); color: var(--warning); }
.project__status--study { background: rgba(77,159,255,0.15); color: var(--primary); }
.project__title { font-size: 1.1rem; margin-bottom: 8px; }
.project__desc { color: var(--text-secondary); margin-bottom: 14px; font-size: 0.88rem; }
.project__more { display: inline-flex; align-items: center; gap: 8px; background: none; border: 1px solid var(--border); color: var(--primary); font-size: 0.8rem; font-weight: 600; padding: 9px 14px; border-radius: 6px; cursor: pointer; transition: 0.2s; min-height: 40px; }
.project__more:hover { border-color: var(--primary); background: rgba(77,159,255,0.08); }
.project__more i { transition: transform 0.3s; font-size: 0.75rem; }
.project.project--open .project__more i { transform: rotate(180deg); }
.project__details { max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.45s ease, opacity 0.35s ease, margin-top 0.45s ease; }
.project.project--open .project__details { max-height: 1400px; opacity: 1; margin-top: 16px; }
.project__points { list-style: none; margin: 0 0 15px; display: flex; flex-direction: column; gap: 8px; }
.project__points li { font-size: 0.85rem; color: var(--text-secondary); padding-left: 22px; position: relative; }
.project__points li i { position: absolute; left: 0; top: 3px; color: var(--accent); font-size: 0.8rem; }
.project__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 16px; background: var(--bg-alt); border-radius: 8px; margin-top: 16px; }
.metric { text-align: center; }
.metric__val { display: block; font-size: 1.25rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.metric__label { font-size: 0.7rem; color: var(--text-secondary); }
.project__result { margin-top: 14px; font-size: 0.82rem; color: var(--accent); }
.project__result i { margin-right: 5px; }
.project__arch { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 14px; padding: 12px; background: var(--bg-alt); border-radius: 8px; font-size: 0.8rem; }
.project__arch .arch__node { background: var(--bg-dark); padding: 5px 10px; border-radius: 5px; font-weight: 600; color: var(--primary); min-width: unset; flex: unset; }
.project__arch i { color: var(--text-secondary); font-size: 0.78rem; }
.project__chart { margin-top: 14px; padding: 12px; background: var(--bg-alt); border-radius: 8px; }
.project__chart svg { width: 100%; height: 110px; }
.project__chart figcaption { font-size: 0.78rem; color: var(--text-secondary); margin-top: 8px; text-align: center; }
.projects__empty { text-align: center; color: var(--text-secondary); padding: 30px 0; }

/* Cases */
.cases { display: grid; gap: 20px; }
.case { background: var(--bg-card); padding: clamp(18px, 4vw, 30px); border-radius: 12px; border: 1px solid var(--border); display: grid; grid-template-columns: auto 1fr; gap: clamp(14px, 3vw, 25px); }
.case__num { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; color: var(--primary); opacity: 0.3; line-height: 1; }
.case__body { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.case__toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: none; border: none; text-align: left; cursor: pointer; padding: 0; color: inherit; font: inherit; width: 100%; min-height: 44px; }
.case__title { font-size: 1.15rem; }
.case__chev { color: var(--primary); transition: transform 0.3s; flex-shrink: 0; }
.case.case--open .case__chev { transform: rotate(180deg); }
.case__meta { display: flex; gap: 8px; flex-wrap: wrap; }
.chip--alt { background: rgba(255,138,92,0.15); border-color: var(--secondary); color: var(--secondary); }
.chip--ok { background: rgba(61,220,151,0.15); border-color: var(--accent); color: var(--accent); }
.case__content { display: flex; flex-direction: column; gap: 14px; overflow: hidden; max-height: 0; opacity: 0; transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.4s ease; }
.case.case--open .case__content { max-height: 900px; opacity: 1; }
.case__problem, .case__solution, .case__impact { padding: 14px; background: var(--bg-alt); border-radius: 8px; }
.case__problem h4, .case__solution h4, .case__impact h4 { font-size: 0.92rem; margin-bottom: 8px; color: var(--primary); }
.case__problem p, .case__impact p { font-size: 0.88rem; color: var(--text-secondary); }
.case__solution ul { list-style: none; font-size: 0.88rem; color: var(--text-secondary); }
.case__solution li { margin-bottom: 6px; padding-left: 20px; position: relative; }
.case__solution li i { position: absolute; left: 0; color: var(--accent); }

/* Stats */
.ghstats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr)); gap: 18px; }
.ghstat { background: var(--bg-card); padding: clamp(20px, 4vw, 30px); border-radius: 12px; border: 1px solid var(--border); text-align: center; }
.ghstat__val { display: block; font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.ghstat__label { font-size: 0.85rem; color: var(--text-secondary); }
.ghstat__label i { color: var(--primary); margin-right: 5px; }

/* Two col / certs / langs */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 40px); margin-top: clamp(24px, 4vw, 40px); }
.certs { display: flex; flex-direction: column; gap: 12px; }
.cert { display: flex; align-items: center; gap: 15px; padding: 16px; background: var(--bg-card); border-radius: 8px; border: 1px solid var(--border); }
.cert__badge { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: white; flex-shrink: 0; }
.cert__name { font-weight: 600; margin-bottom: 2px; font-size: 0.92rem; }
.cert__org { font-size: 0.78rem; color: var(--text-secondary); }
.langs { display: flex; flex-direction: column; gap: 15px; }
.lang { display: grid; grid-template-columns: minmax(100px,130px) 1fr auto; gap: 12px; align-items: center; font-size: 0.85rem; }
.lang__bar { height: 8px; background: var(--bg-alt); border-radius: 4px; overflow: hidden; }
.lang__fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); width: 0; transition: width 1s ease; display: block; }
.lang__level { font-size: 0.78rem; color: var(--text-secondary); text-align: right; white-space: nowrap; }
.interests { margin-top: clamp(24px, 4vw, 40px); }
.interests__chips { display: flex; flex-wrap: wrap; gap: 10px; }

/* Contact */
.contact { text-align: center; max-width: 700px; margin: 0 auto; }
.contact__title { font-size: clamp(1.7rem, 4.5vw, 2.5rem); margin-bottom: 18px; }
.contact__desc { color: var(--text-secondary); font-size: clamp(0.95rem, 2vw, 1.1rem); margin-bottom: 36px; }
.contact__links { display: flex; flex-direction: column; gap: 12px; }
.contact__link { display: flex; align-items: center; gap: 15px; padding: 16px 18px; background: var(--bg-card); border-radius: 8px; border: 1px solid var(--border); text-decoration: none; color: var(--text-primary); transition: all 0.3s; min-height: 44px; }
.contact__link:hover { border-color: var(--primary); transform: translateX(5px); }
.contact__link i:first-child { font-size: 1.3rem; color: var(--primary); flex-shrink: 0; }
.contact__link span { overflow-wrap: anywhere; text-align: left; flex: 1; }
.contact__copy { margin-left: auto; color: var(--text-secondary) !important; font-size: 1rem !important; padding: 6px; flex-shrink: 0; }
.contact__copy:hover { color: var(--primary) !important; }

/* Footer */
.footer { background: var(--bg-alt); padding: 26px 0; border-top: 1px solid var(--border); }
.footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer__top { color: var(--primary); text-decoration: none; font-size: 1rem; }

/* WhatsApp */
.whatsapp-fab { position: fixed; left: clamp(14px, 3vw, 28px); bottom: clamp(14px, 3vw, 28px); width: 52px; height: 52px; border-radius: 50%; background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; text-decoration: none; box-shadow: 0 8px 22px rgba(37,211,102,0.45); z-index: 900; animation: whatsapp-pulse 2.4s ease-in-out infinite; }
.whatsapp-fab:hover { background: #1ebe5a; }
@keyframes whatsapp-pulse { 0%,100% { box-shadow: 0 8px 22px rgba(37,211,102,0.45); } 50% { box-shadow: 0 8px 22px rgba(37,211,102,0.45), 0 0 0 8px rgba(37,211,102,0.15); } }
.hero__meta-whatsapp { display: inline-flex; align-items: center; gap: 6px; color: var(--text-secondary); text-decoration: none; }
.hero__meta-whatsapp i { color: #25D366; }
.hero__meta-whatsapp:hover { color: var(--primary); }
.contact__link--whatsapp { border-color: rgba(37,211,102,0.4); }
.contact__link--whatsapp i:first-child { color: #25D366; }
.contact__link--whatsapp:hover { border-color: #25D366; }

/* Back to top + toast */
.back-to-top { position: fixed; right: clamp(14px, 3vw, 28px); bottom: clamp(14px, 3vw, 28px); width: 46px; height: 46px; border-radius: 50%; background: var(--primary); color: #fff; border: none; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; cursor: pointer; box-shadow: 0 8px 20px rgba(0,0,0,0.4); opacity: 0; visibility: hidden; transform: translateY(10px); transition: all 0.3s; z-index: 900; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); background: var(--bg-card); border: 1px solid var(--primary); color: var(--text-primary); padding: 10px 18px; border-radius: 8px; font-size: 0.85rem; opacity: 0; pointer-events: none; transition: all 0.3s; z-index: 1200; max-width: 90vw; text-align: center; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s, transform 0.8s; }
.reveal.active { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ============ RESPONSIVE BREAKPOINTS ============ */

/* Grands écrans */
@media (min-width: 1400px) {
  .container { max-width: 1320px; }
  .hero__inner { max-width: 1220px; }
}

/* Tablette large / petit desktop */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; max-width: 640px; }
  .hero__content { text-align: center; }
  .hero__actions, .hero__meta { justify-content: center; }
  .hero__media { order: -1; }
  .profil { grid-template-columns: 1fr; }
  .netmap__nodes-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Tablette */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .case { grid-template-columns: 1fr; }
  .case__num { display: none; }
}

/* Nav mobile (tablette portrait et moins) */
@media (max-width: 860px) {
  .nav__menu { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0; background: var(--bg-dark); flex-direction: column; align-items: stretch; padding: 20px; gap: 4px; overflow-y: auto; z-index: 999; }
  .nav__menu.active { display: flex; }
  .nav__toggle { display: flex; }
  .nav__link { padding: 14px 4px; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .nav__link--cta { text-align: center; margin-top: 10px; }
  .nav__dropdown { width: 100%; }
  .nav__dropdown-toggle { width: 100%; justify-content: space-between; padding: 14px 4px; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .nav__dropdown-menu { position: static; transform: none; opacity: 1; visibility: visible; background: transparent; border: none; box-shadow: none; padding: 6px 0 6px 15px; display: none; min-width: auto; }
  .nav__dropdown.active .nav__dropdown-menu { display: block; }
  .nav__dropdown-link { padding: 10px 0; font-size: 0.95rem; }
}

/* Grands smartphones / petites tablettes */
@media (max-width: 768px) {
  :root { --gap-section: 56px; }
  .skills, .projects, .labdemos { grid-template-columns: 1fr; }
  .soc__grid, .ghstats, .project__metrics { grid-template-columns: repeat(2, 1fr); }
  .arch__nodes { flex-direction: column; align-items: stretch; }
  .arch__node { max-width: none; }
  .netmap { flex-direction: column; align-items: stretch; }
  .netmap__conn { width: 2px; height: 26px; align-self: center; }
  .netmap__nodes-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 10px; }
  .timeline__item { padding-left: 38px; }
  .timeline__dot { left: 0; }
  .timeline__head { flex-direction: column; align-items: flex-start; }
  .case { padding: 20px; }
}

/* Smartphones */
@media (max-width: 560px) {
  .hero { padding-top: calc(var(--nav-h) + 16px); }
  .hero__badge { font-size: 0.72rem; padding: 6px 12px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .hero__meta { flex-direction: column; align-items: center; gap: 8px; }
  .hero__photo { width: min(240px, 55vw); }
  .profil__card { grid-template-columns: 1fr 1fr; }
  .soc__grid, .ghstats, .project__metrics, .netmap__nodes-grid { grid-template-columns: 1fr; }
  .soc__top { flex-direction: column; align-items: stretch; }
  .soc__tabs { justify-content: space-between; }
  .soc__tab { flex: 1; text-align: center; }
  .lang { grid-template-columns: 1fr; text-align: left; gap: 6px; }
  .lang__level { text-align: left; }
  .case__meta { gap: 6px; }
  .chip { font-size: 0.78rem; padding: 6px 10px; }
  .contact__link { flex-wrap: wrap; }
  .back-to-top { width: 42px; height: 42px; }
  .whatsapp-fab { width: 46px; height: 46px; font-size: 1.3rem; }
  .projects__filters { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
  .pfilter { white-space: nowrap; }
}

/* Très petits écrans */
@media (max-width: 380px) {
  .hero__title { font-size: 1.7rem; }
  .section__title { font-size: 1.4rem; }
  .btn { padding: 10px 16px; font-size: 0.85rem; }
  .profil__card { grid-template-columns: 1fr; }
  .nav__logo-text { display: none; }
}

/* Écrans tactiles : pas d'effets hover coûteux, cibles plus grandes */
@media (hover: none) {
  .project:hover, .skill:hover, .pq-card:hover { transform: none; box-shadow: none; }
  .arch__node:hover, .netmap__node:hover { transform: none; }
}

/* Orientation paysage sur mobile : réduire la hauteur du hero */
@media (max-height: 480px) and (orientation: landscape) {
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 20px); padding-bottom: 20px; }
  .hero__orb { display: none; }
}