/* ===========================================================
   Gatien DRUEZ — Portfolio Styles
   Glassmorphism · Dark Mode · Premium Animations
=========================================================== */

/* ---------- TOKENS ---------- */
:root {
    --bg:         #0F172A;
    --bg-card:    rgba(30, 41, 59, 0.55);
    --bg-card-hover: rgba(30, 41, 59, 0.75);
    --surface:    #1E293B;
    --violet:     #7C3AED;
    --violet-glow:#7C3AED66;
    --emerald:    #10B981;
    --emerald-glow:#10B98166;
    --text:       #E2E8F0;
    --text-dim:   #94A3B8;
    --text-bright:#F8FAFC;
    --border:     rgba(148,163,184,0.12);
    --radius:     16px;
    --radius-sm:  10px;
    --font:       'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: .35s cubic-bezier(.4,0,.2,1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- UTILITIES ---------- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.accent-violet { color: var(--violet); }
.accent-emerald { color: var(--emerald); }

/* ---------- FADE-UP ANIMATION ---------- */
.fade-up {
    opacity: 1;
    transform: translateY(0);
    transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==============================
   NAVBAR
============================== */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(15,23,42,0.55);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
    background: rgba(15,23,42,0.88);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-container {
    max-width: 1100px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: 68px;
}
.nav-logo {
    font-size: 1.5rem; font-weight: 800; letter-spacing: -1px;
    color: var(--text-bright);
}
.nav-links {
    display: flex; gap: 8px; align-items: center;
}
.nav-link {
    padding: 8px 16px; border-radius: var(--radius-sm);
    font-size: .88rem; font-weight: 500; color: var(--text-dim);
    transition: color var(--transition), background var(--transition);
    position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--text-bright); }
.nav-link.active::after {
    content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
    width: 18px; height: 2px; border-radius: 2px;
    background: var(--violet);
}
.nav-link-cta {
    background: var(--violet) !important; color: #fff !important;
    border-radius: var(--radius-sm); font-weight: 600;
}
.nav-link-cta:hover { background: #6D28D9 !important; }
.nav-link-cta.active::after { display: none; }

/* Mobile toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; width: 28px; height: 20px; position: relative; }
.nav-toggle span {
    display: block; width: 100%; height: 2px; background: var(--text); border-radius: 2px;
    position: absolute; left: 0; transition: var(--transition);
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 9px; }
.nav-toggle span:nth-child(3) { top: 18px; }
.nav-toggle.open span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ==============================
   HERO
============================== */
.hero {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden; padding: 120px 24px 80px;
    text-align: center;
}
.hero-bg-orbs { position: absolute; inset: 0; pointer-events: none; }
.orb {
    position: absolute; border-radius: 50%; filter: blur(100px);
    transition: transform .15s ease-out;
}
.orb-violet {
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--violet-glow), transparent 70%);
    top: -10%; left: -8%;
    animation: float 12s ease-in-out infinite;
}
.orb-emerald {
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--emerald-glow), transparent 70%);
    bottom: -5%; right: -5%;
    animation: float 15s ease-in-out infinite reverse;
}
.orb-violet-2 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(124,58,237,0.25), transparent 70%);
    top: 40%; right: 20%;
    animation: float 10s ease-in-out infinite 3s;
}
@keyframes float {
    0%,100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-40px) scale(1.08); }
}

.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-tag {
    display: inline-block; padding: 6px 18px; border-radius: 100px;
    background: rgba(124,58,237,0.15); border: 1px solid rgba(124,58,237,0.3);
    color: var(--violet); font-size: .8rem; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase; margin-bottom: 24px;
}
.hero-title {
    font-size: clamp(2.8rem, 7vw, 5rem); font-weight: 800;
    line-height: 1.1; margin-bottom: 20px; color: var(--text-bright);
    letter-spacing: -2px;
}
.hero-subtitle {
    font-size: clamp(1rem, 2.2vw, 1.2rem); color: var(--text-dim);
    margin-bottom: 16px; line-height: 1.6;
}
.hero-desc {
    font-size: 1rem; color: var(--text-dim); margin-bottom: 36px;
    max-width: 560px; margin-left: auto; margin-right: auto;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Scroll indicator */
.scroll-indicator {
    position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
}
.scroll-line {
    width: 2px; height: 48px; border-radius: 2px;
    background: linear-gradient(to bottom, var(--violet), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%,100% { opacity: .3; transform: scaleY(.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ==============================
   BUTTONS
============================== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 30px; border-radius: var(--radius-sm);
    font-family: var(--font); font-size: .92rem; font-weight: 600;
    cursor: pointer; border: none; transition: all var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--violet), #6D28D9);
    color: #fff; box-shadow: 0 4px 20px var(--violet-glow);
}
.btn-primary:hover {
    transform: translateY(-2px); box-shadow: 0 8px 32px var(--violet-glow);
}
.btn-outline {
    background: transparent; color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--emerald); color: var(--emerald);
    transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* ==============================
   SECTIONS
============================== */
.section { padding: 100px 0; position: relative; }
.section-alt { background: rgba(30,41,59,0.25); }
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800;
    text-align: center; margin-bottom: 12px; color: var(--text-bright);
    letter-spacing: -1px;
}
.section-subtitle {
    text-align: center; color: var(--text-dim); font-size: 1rem;
    max-width: 520px; margin: 0 auto 52px;
}

/* ==============================
   GLASS CARDS
============================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
    border-color: rgba(148,163,184,0.22);
}

/* ==============================
   SKILLS GRID
============================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.skills-grid .glass-card h3 {
    font-size: 1.15rem; font-weight: 700; margin-bottom: 16px;
    color: var(--text-bright);
}
.card-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
}
.card-icon.violet { background: rgba(124,58,237,0.15); color: var(--violet); }
.card-icon.emerald { background: rgba(16,185,129,0.15); color: var(--emerald); }

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    padding: 6px 14px; border-radius: 100px;
    background: rgba(148,163,184,0.08);
    border: 1px solid var(--border);
    font-size: .78rem; font-weight: 500; color: var(--text-dim);
    transition: all var(--transition);
}
.tag:hover {
    border-color: var(--violet);
    color: var(--violet);
    background: rgba(124,58,237,0.08);
}

/* ==============================
   COMPETENCY BLOCS (MITIC)
============================== */
.blocs-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.bloc-card {
    padding: 28px 32px;
}
.bloc-card:hover {
    border-color: var(--violet);
}
.bloc-header {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}
.bloc-num {
    flex-shrink: 0;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: rgba(124,58,237,0.12);
    border: 1px solid rgba(124,58,237,0.25);
    color: var(--violet);
    font-size: 1rem; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    letter-spacing: -0.5px;
}
.bloc-title {
    font-size: 1.05rem; font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 3px;
    line-height: 1.3;
}
.bloc-sub {
    font-size: .8rem; font-weight: 500;
    color: var(--text-dim);
}
.bloc-skills {
    list-style: none; padding: 0; margin: 0;
}
.bloc-skills li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px solid rgba(148,163,184,0.06);
}
.bloc-skills li:last-child { border-bottom: none; }
.skill-name {
    font-size: .88rem; font-weight: 500;
    color: var(--text);
    flex: 1;
    min-width: 0;
}
.skill-projects {
    display: flex; flex-wrap: wrap; gap: 6px;
    flex-shrink: 0;
}

/* Project reference pills */
.proj-pill {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: .7rem; font-weight: 600;
    text-decoration: none;
    letter-spacing: .2px;
    transition: all var(--transition);
    white-space: nowrap;
}
.proj-pill.violet {
    background: rgba(124,58,237,0.12);
    color: var(--violet);
    border: 1px solid rgba(124,58,237,0.25);
}
.proj-pill.violet:hover {
    background: rgba(124,58,237,0.25);
    border-color: var(--violet);
}
.proj-pill.emerald {
    background: rgba(16,185,129,0.1);
    color: var(--emerald);
    border: 1px solid rgba(16,185,129,0.25);
}
.proj-pill.emerald:hover {
    background: rgba(16,185,129,0.2);
    border-color: var(--emerald);
}
.proj-pill.coral {
    background: rgba(249,115,22,0.1);
    color: #F97316;
    border: 1px solid rgba(249,115,22,0.25);
}
.proj-pill.coral:hover {
    background: rgba(249,115,22,0.2);
    border-color: #F97316;
}
.proj-pill.dim {
    background: rgba(148,163,184,0.06);
    color: var(--text-dim);
    border: 1px solid var(--border);
}

/* Legend */
.bloc-legend {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
    flex-wrap: wrap;
}
.bloc-legend .proj-pill {
    cursor: default;
    pointer-events: none;
}

/* ==============================
   TIMELINE
============================== */
.timeline {
    position: relative; max-width: 700px; margin: 0 auto;
    padding-left: 40px;
}
.timeline::before {
    content: ''; position: absolute; left: 15px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--violet), var(--emerald), transparent);
    border-radius: 2px;
}
.timeline-item {
    position: relative; margin-bottom: 40px;
}
.timeline-dot {
    position: absolute; left: -33px; top: 32px;
    width: 14px; height: 14px; border-radius: 50%;
    border: 3px solid var(--bg);
    z-index: 2;
}
.timeline-dot.violet { background: var(--violet); box-shadow: 0 0 12px var(--violet-glow); }
.timeline-dot.emerald { background: var(--emerald); box-shadow: 0 0 12px var(--emerald-glow); }
.timeline-date {
    font-size: .8rem; font-weight: 600; color: var(--text-dim);
    margin-bottom: 8px; letter-spacing: .5px;
}
.timeline-card h3 {
    font-size: 1.1rem; font-weight: 700; color: var(--text-bright);
    margin-bottom: 4px;
}
.timeline-card h4 {
    font-size: .92rem; font-weight: 500; color: var(--violet);
    margin-bottom: 14px;
}
.timeline-badge {
    display: inline-block; padding: 3px 12px; border-radius: 100px;
    font-size: .7rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .5px; margin-bottom: 10px;
}
.timeline-badge.violet {
    background: rgba(124,58,237,0.15); color: var(--violet);
    border: 1px solid rgba(124,58,237,0.3);
}
.timeline-missions {
    list-style: none; padding: 0;
}
.timeline-missions li {
    position: relative; padding-left: 18px;
    font-size: .9rem; color: var(--text-dim); margin-bottom: 6px;
}
.timeline-missions li::before {
    content: ''; position: absolute; left: 0; top: 10px;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--emerald);
}

/* ==============================
   PROJECT CARDS
============================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.project-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    border-color: var(--violet);
}

/* Skeleton loader for thum.io images */
@keyframes skeleton-pulse {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
.project-img-wrap.skeleton {
    background: linear-gradient(
        90deg,
        rgba(148,163,184,0.06) 25%,
        rgba(148,163,184,0.12) 50%,
        rgba(148,163,184,0.06) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-pulse 1.8s ease-in-out infinite;
}
.project-img-wrap.skeleton img {
    opacity: 0;
    transition: opacity .6s ease;
}
.project-img-wrap:not(.skeleton) img {
    opacity: 1;
}

/* Image wrapper with zoom + overlay */
.project-img-wrap {
    position: relative;
    overflow: hidden;
    height: 220px;
}
.project-img-wrap img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s cubic-bezier(.4,0,.2,1), opacity .6s ease;
}
.project-card:hover .project-img-wrap img {
    transform: scale(1.1);
}
.project-overlay {
    position: absolute; inset: 0;
    background: rgba(15,23,42,0.55);
    backdrop-filter: blur(0px); -webkit-backdrop-filter: blur(0px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: opacity .4s cubic-bezier(.4,0,.2,1),
                backdrop-filter .4s ease,
                background .4s ease;
}
.project-card:hover .project-overlay {
    opacity: 1;
    background: rgba(15,23,42,0.75);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.btn-sm {
    padding: 10px 22px;
    font-size: .85rem;
    display: inline-flex; align-items: center; gap: 8px;
}

/* Card body */
.project-body {
    padding: 24px 28px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 6px;
}
.project-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-bright);
    display: flex; align-items: center; gap: 6px;
}
.external-icon {
    color: var(--text-dim);
    opacity: .5;
    transition: opacity var(--transition), color var(--transition);
}
.project-card:hover .external-icon {
    opacity: 1; color: var(--violet);
}
.project-role {
    flex-shrink: 0;
    padding: 3px 12px;
    border-radius: 100px;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.project-role.violet {
    background: rgba(124,58,237,0.15);
    color: var(--violet);
    border: 1px solid rgba(124,58,237,0.3);
}
.project-role.emerald {
    background: rgba(16,185,129,0.15);
    color: var(--emerald);
    border: 1px solid rgba(16,185,129,0.3);
}
a.project-url {
    font-size: .8rem;
    font-weight: 500;
    color: var(--violet);
    margin-bottom: 8px;
    letter-spacing: .3px;
    text-decoration: none;
    transition: color var(--transition);
}
a.project-url:hover { color: var(--emerald); }
.project-desc {
    font-size: .9rem;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}
.project-body .skill-tags {
    margin-top: auto;
}

/* ==============================
   CASE STUDY (Hardware)
============================== */
.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}
.case-logo-wrap {
    width: 90px; height: 90px;
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.case-logo {
    width: 100%; height: 100%; object-fit: cover;
}
.case-title {
    font-size: 1.4rem; font-weight: 800;
    color: var(--text-bright); line-height: 1.3;
    margin-bottom: 14px;
}
.case-desc {
    font-size: .95rem; color: var(--text-dim);
    line-height: 1.7; margin-bottom: 24px;
}
.case-specs-title {
    display: flex; align-items: center; gap: 8px;
    font-size: .85rem; font-weight: 700;
    color: var(--emerald); text-transform: uppercase;
    letter-spacing: .8px; margin-bottom: 14px;
}

/* Tech Spec Chips */
.tech-specs {
    display: flex; flex-direction: column; gap: 10px;
}
.tech-chip {
    display: flex; align-items: baseline; gap: 10px;
    padding: 10px 16px;
    background: rgba(148,163,184,0.06);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
}
.tech-chip:hover {
    border-color: var(--emerald);
}
.chip-label {
    flex-shrink: 0;
    font-size: .72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .5px;
    color: var(--emerald);
    min-width: 110px;
}
.chip-value {
    font-size: .88rem; color: var(--text);
}

/* Case visuals */
.case-right {
    display: flex; flex-direction: column; gap: 24px;
}
.case-visual {
    padding: 20px;
}
.case-visual h4 {
    font-size: .85rem; font-weight: 700;
    color: var(--text-dim); text-transform: uppercase;
    letter-spacing: .5px; margin-bottom: 14px;
}
.case-diagram {
    width: 100%; border-radius: var(--radius-sm);
}

/* Code Terminal */
.code-terminal {
    padding: 0; overflow: hidden;
}
.terminal-bar {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 18px;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--border);
}
.terminal-dots {
    display: flex; gap: 6px;
}
.terminal-dots .dot {
    width: 10px; height: 10px; border-radius: 50%;
}
.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }
.terminal-title {
    font-size: .75rem; font-weight: 600;
    color: var(--text-dim); letter-spacing: .3px;
    font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
}
.terminal-code {
    margin: 0; padding: 20px 22px;
    background: rgba(0,0,0,0.15);
    font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
    font-size: .82rem; line-height: 1.8;
    color: var(--text); overflow-x: auto;
    tab-size: 4;
}
.terminal-code code { font-family: inherit; }

/* Syntax colors */
.code-prep { color: #C084FC; }
.code-str { color: #34D399; }
.code-const { color: #60A5FA; }
.code-num { color: #F59E0B; }
.code-type { color: #38BDF8; }
.code-fn { color: #FDE68A; }

/* ==============================
   PLACEHOLDER SECTIONS
============================== */
.placeholder-grid { max-width: 700px; margin: 0 auto; }
.placeholder-card {
    text-align: center; padding: 60px 32px;
    color: var(--text-dim); font-style: italic;
    border: 1px dashed rgba(148,163,184,0.2);
}

/* ==============================
   UX SHOWCASE — PARENT OU ADULT!
============================== */
.ux-showcase {
    background: linear-gradient(180deg, var(--bg) 0%, rgba(124,58,237,0.04) 50%, var(--bg) 100%);
}
.ux-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
    padding: 40px;
    margin-bottom: 48px;
    border: 1px solid rgba(124,58,237,0.2);
}
.ux-hero:hover { border-color: rgba(124,58,237,0.4); }
.ux-badge {
    display: inline-block; padding: 5px 16px; border-radius: 100px;
    background: rgba(124,58,237,0.15); border: 1px solid rgba(124,58,237,0.3);
    color: var(--violet); font-size: .72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.ux-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800;
    color: var(--text-bright); letter-spacing: -1px;
    margin-bottom: 6px; line-height: 1.1;
}
.ux-tagline {
    font-size: 1.1rem; font-weight: 500;
    color: var(--emerald); margin-bottom: 14px;
    font-style: italic;
}
.ux-desc {
    font-size: .92rem; color: var(--text-dim);
    line-height: 1.7;
}
.ux-hero-img img {
    width: 100%; border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* Section headings */
.ux-section-heading {
    display: flex; align-items: center; gap: 10px;
    font-size: .9rem; font-weight: 700;
    color: var(--violet); text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 20px; margin-top: 12px;
}

/* Features Grid */
.ux-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}
.ux-feature {
    text-align: center; padding: 28px 20px;
}
.ux-feature:hover { transform: translateY(-4px); }
.feature-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
}
.violet-icon { background: rgba(124,58,237,0.15); color: var(--violet); }
.coral-icon { background: rgba(249,115,22,0.15); color: #F97316; }
.emerald-icon { background: rgba(16,185,129,0.15); color: var(--emerald); }
.ux-feature h4 {
    font-size: 1rem; font-weight: 700;
    color: var(--text-bright); margin-bottom: 8px;
}
.ux-feature p {
    font-size: .82rem; color: var(--text-dim); line-height: 1.6;
}

/* Personas */
.personas-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 48px;
}
.persona-card { padding: 28px; }
.persona-card:hover { transform: translateY(-4px); }
.persona-header {
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 18px; padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.persona-avatar {
    width: 56px; height: 56px; border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--violet);
    box-shadow: 0 0 16px var(--violet-glow);
}
.persona-header h4 {
    font-size: 1.1rem; font-weight: 700;
    color: var(--text-bright); margin-bottom: 2px;
}
.persona-age {
    font-size: .78rem; color: var(--text-dim); font-weight: 500;
}
.persona-traits { list-style: none; padding: 0; }
.persona-traits li {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: .88rem; color: var(--text-dim);
    margin-bottom: 10px; line-height: 1.5;
}
.trait-icon {
    flex-shrink: 0; font-size: 1rem;
    width: 28px; height: 28px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
}
.coral-trait { background: rgba(249,115,22,0.12); }
.emerald-trait { background: rgba(16,185,129,0.12); }
.violet-trait { background: rgba(124,58,237,0.12); }

/* Design Note */
.design-note {
    display: flex; align-items: center; gap: 20px;
    padding: 24px 32px;
    border: 1px solid rgba(124,58,237,0.2);
}
.design-note:hover { border-color: rgba(124,58,237,0.4); }
.design-note-icon {
    flex-shrink: 0;
    width: 48px; height: 48px; border-radius: 12px;
    background: rgba(124,58,237,0.15); color: var(--violet);
    display: flex; align-items: center; justify-content: center;
}
.design-note h4 {
    font-size: .95rem; font-weight: 700;
    color: var(--text-bright); margin-bottom: 4px;
}
.design-note p {
    font-size: .85rem; color: var(--text-dim); line-height: 1.6;
}
.design-colors {
    display: flex; gap: 8px; flex-shrink: 0; margin-left: auto;
}
.color-dot {
    width: 24px; height: 24px; border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.15);
    transition: transform var(--transition);
}
.color-dot:hover { transform: scale(1.25); }

/* ==============================
   CONTACT (revamped)
============================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 28px;
    align-items: start;
}
.contact-info {
    display: flex; flex-direction: column; gap: 16px;
}
.contact-item {
    display: flex; align-items: center; gap: 16px;
    padding: 20px 24px;
}
.contact-item:hover { transform: translateY(-2px); }
.contact-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.contact-icon.violet { background: rgba(124,58,237,0.15); color: var(--violet); }
.contact-icon.emerald { background: rgba(16,185,129,0.15); color: var(--emerald); }
.contact-label {
    font-size: .72rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .5px; color: var(--text-dim); display: block;
    margin-bottom: 2px;
}
.contact-value {
    font-size: .95rem; font-weight: 600; color: var(--text-bright);
    transition: color var(--transition);
}
a.contact-value:hover { color: var(--violet); }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
    font-size: .82rem; font-weight: 600; color: var(--text-dim);
}
.form-group input,
.form-group textarea {
    background: rgba(148,163,184,0.06);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 14px 16px; color: var(--text); font-family: var(--font);
    font-size: .92rem; transition: border-color var(--transition);
    outline: none; resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--violet);
    box-shadow: 0 0 0 3px var(--violet-glow);
}

/* Anti-spam honeypot : invisible et hors flux, mais rempli par les robots */
.honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px; height: 1px;
    opacity: 0; pointer-events: none;
}

/* Message de statut du formulaire */
.form-status {
    font-size: .88rem;
    font-weight: 500;
    line-height: 1.5;
    min-height: 1.2em;
    margin: -4px 0 0;
    transition: color var(--transition);
}
.form-status:empty { display: none; }
.form-status.success { color: var(--emerald); }
.form-status.error { color: #F87171; }

/* ==============================
   FOOTER (professional)
============================== */
.footer {
    padding: 0; text-align: left;
    border-top: 1px solid var(--border);
}
.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 32px;
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--border);
}
.footer-brand p {
    font-size: .85rem; color: var(--text-dim); margin-top: 8px;
}
.footer-links {
    display: flex; flex-direction: column; gap: 8px;
}
.footer-links a {
    font-size: .85rem; color: var(--text-dim);
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--violet); }
.footer-contact {
    display: flex; flex-direction: column; gap: 8px;
}
.footer-contact a, .footer-contact span {
    font-size: .85rem; color: var(--text-dim);
    transition: color var(--transition);
}
.footer-contact a:hover { color: var(--emerald); }
.footer-bottom {
    padding: 20px 0; text-align: center;
}
.footer-bottom p { font-size: .82rem; color: var(--text-dim); }
.footer-sub { margin-top: 4px; font-size: .72rem; }

/* ==============================
   RESPONSIVE
============================== */
@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        position: fixed; top: 68px; left: 0; width: 100%;
        flex-direction: column; gap: 0;
        background: rgba(15,23,42,0.95);
        backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        transform: translateY(-110%); transition: transform var(--transition);
        padding: 12px 0;
    }
    .nav-links.open { transform: translateY(0); }
    .nav-link { padding: 14px 24px; width: 100%; text-align: center; }
    .nav-link.active::after { display: none; }

    .hero { padding: 100px 20px 60px; min-height: 90vh; }
    .hero-title { letter-spacing: -1px; }

    .section { padding: 70px 0; }
    .skills-grid { grid-template-columns: 1fr; }
    .bloc-skills li { flex-direction: column; align-items: flex-start; gap: 8px; }
    .skill-projects { width: 100%; }
    .bloc-card { padding: 20px; }
    .projects-grid { grid-template-columns: 1fr; }
    .case-study { grid-template-columns: 1fr; }

    .ux-hero { grid-template-columns: 1fr; padding: 28px; }
    .ux-features { grid-template-columns: 1fr 1fr; }
    .personas-grid { grid-template-columns: 1fr; }
    .design-note { flex-direction: column; text-align: center; }
    .design-colors { margin-left: 0; justify-content: center; }

    .contact-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; text-align: center; }
    .footer-links { align-items: center; }
    .footer-contact { align-items: center; }

    .timeline { padding-left: 32px; }
    .timeline::before { left: 11px; }
    .timeline-dot { left: -28px; }
}

@media (max-width: 480px) {
    .ux-features { grid-template-columns: 1fr; }
}

/* ==============================
   MITIC EXPLORER (Dynamique)
====================================================== */
.explorer-container {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.explorer-tabs {
    display: flex;
    overflow-x: auto;
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid var(--border);
}
.explorer-tabs::-webkit-scrollbar { height: 4px; }
.explorer-tabs::-webkit-scrollbar-thumb { background: var(--violet); border-radius: 4px; }

.explorer-tab {
    flex: 1;
    min-width: 120px;
    padding: 20px 10px;
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 700;
    font-family: var(--font);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}
.explorer-tab:hover {
    color: var(--text-bright);
    background: rgba(255,255,255,0.02);
}
.explorer-tab.active {
    color: var(--violet);
    background: rgba(124, 58, 237, 0.05);
    border-bottom-color: var(--violet);
}

.explorer-content {
    padding: 40px;
}
.bloc-header-info {
    margin-bottom: 30px;
}
.bloc-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(124, 58, 237, 0.15);
    color: var(--violet);
    font-size: 0.75rem;
    font-weight: 800;
    border-radius: 100px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.bloc-main-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-bright);
    line-height: 1.3;
}

/* Accordéons */
.competences-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.competence-accordion {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.3s ease;
}
.competence-accordion.open {
    border-color: rgba(124, 58, 237, 0.3);
}
.competence-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    background: rgba(0,0,0,0.1);
    transition: background 0.3s ease;
}
.competence-header:hover {
    background: rgba(255,255,255,0.03);
}
.comp-title {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-bright);
}
.comp-icon {
    font-size: 0.8rem;
    color: var(--text-dim);
    transition: transform 0.3s ease;
}
.competence-accordion.open .comp-icon {
    transform: rotate(180deg);
}
.competence-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.competence-body-inner {
    padding: 24px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Grille de missions */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.mission-card-mini {
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}
.mission-card-mini:hover {
    transform: translateY(-4px);
    border-color: var(--violet);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}
.mission-card-mini h4 {
    color: var(--text-bright);
    font-size: 1.1rem;
    margin-bottom: 8px;
    padding-right: 80px;
}
.mission-card-mini p {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 16px;
    line-height: 1.5;
}
.retro-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #008080, var(--violet));
    color: white;
    font-size: 0.65rem;
    font-weight: bold;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}
.mission-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.mtag {
    background: rgba(255,255,255,0.05);
    color: var(--text-dim);
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 100px;
}
.empty-missions {
    color: var(--text-dim);
    font-style: italic;
    font-size: 0.9rem;
}

/* ==============================
   OFFCANVAS PANEL
====================================================== */
.offcanvas-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}
.offcanvas-overlay.open {
    opacity: 1;
    visibility: visible;
}
.offcanvas-panel {
    position: absolute;
    top: 0; right: -600px;
    width: 100%; max-width: 500px;
    height: 100%;
    background: var(--bg);
    border-left: 1px solid var(--border);
    box-shadow: -10px 0 40px rgba(0,0,0,0.5);
    padding: 40px;
    overflow-y: auto;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.offcanvas-overlay.open .offcanvas-panel {
    right: 0;
}
.close-btn {
    position: absolute;
    top: 20px; right: 20px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--text-bright);
    width: 36px; height: 36px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.3s;
}
.close-btn:hover {
    background: var(--coral);
}
.panel-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 8px;
    margin-top: 20px;
    line-height: 1.2;
}
.panel-context {
    color: var(--emerald);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 30px;
}
.justification-box {
    background: rgba(124, 58, 237, 0.1);
    border-left: 4px solid var(--violet);
    padding: 20px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 30px;
}
.justification-box h4 {
    color: var(--violet);
    font-size: 0.9rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.justification-box p {
    color: var(--text-bright);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}
.panel-description {
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 30px;
}
.highlights-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}
.highlights-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--text-bright);
    line-height: 1.5;
    font-size: 0.95rem;
}
.highlights-list li::before {
    content: '→';
    position: absolute;
    left: 0; top: 0;
    color: var(--violet);
    font-weight: bold;
}
.panel-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.gallery-img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border);
}

@media (max-width: 768px) {
    .explorer-content { padding: 24px; }
    .offcanvas-panel { padding: 30px 20px; }
}

/* ==============================
   SECTION PROJETS DETAILLES
====================================================== */
#projects-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 40px;
}
.project-detailed-card {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    transition: box-shadow 0.5s ease;
}
.project-detailed-header {
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 20px;
}
.project-detailed-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 8px;
}
.project-detailed-context {
    color: var(--emerald);
    font-size: 1rem;
    font-weight: 500;
}
.project-detailed-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}
@media (min-width: 900px) {
    .project-detailed-grid {
        grid-template-columns: 1fr 1fr;
    }
}
.project-info-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.project-gallery-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Project link button */
.btn-project-link {
    margin-top: 12px;
    align-self: flex-start;
    text-decoration: none;
}

/* Gallery images */
.gallery-img {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
}
.gallery-img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}