/* 
==============================================
   PORTFOLIO — DANY BREL DJIONGO DONTSI
   Design "Neon Forest" — Noir profond + Lime électrique + Violet doux
==============================================
*/
:root {
    --bg:          #09100f;
    --bg2:         #0e1613;
    --surface:     #131d1b;
    --surface2:    #182220;
    --border:      rgba(255,255,255,0.07);
    --border-hl:   rgba(163,230,53,0.22);

    --lime:        #a3e635;
    --lime-dim:    #84cc16;
    --lime-glow:   rgba(163,230,53,0.13);
    --violet:      #c084fc;
    --teal:        #2dd4bf;

    --text:        #e2ede9;
    --text-sec:    #6b8a80;
    --text-muted:  #3d5a52;

    --font-display: 'Syne', sans-serif;
    --font-body:    'Space Grotesk', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;

    --r-sm:  6px;
    --r-md:  12px;
    --r-lg:  18px;
    --r-xl:  28px;

    --header-h: 68px;
    --max-w:    1100px;
    --ease:     cubic-bezier(.4,0,.2,1);
}

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Syne:wght@400;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
}

a { text-decoration:none; color:inherit; transition:color .2s var(--ease); }
ul { list-style:none; }
img { max-width:100%; display:block; }

.container { max-width:var(--max-w); margin:0 auto; padding:0 2rem; }

/* ── Typography ── */
h1, h2, h3 { font-family:var(--font-display); color:var(--text); line-height:1.15; }

.section { padding:7rem 0; }

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    margin-bottom: .75rem;
    text-align: center;
    letter-spacing: -.03em;
}
.section-title::after {
    content:'';
    display:block;
    width:36px; height:3px;
    background:var(--lime);
    margin:.6rem auto 0;
    border-radius:2px;
    box-shadow:0 0 12px var(--lime);
}

.section-subtitle {
    text-align:center;
    color:var(--text-sec);
    margin-bottom:4rem;
    font-size:1rem;
}

.highlight { color:var(--lime); }

/* ── Buttons ── */
.btn {
    display:inline-flex; align-items:center; gap:.5rem;
    padding:.75rem 1.6rem;
    border-radius:var(--r-sm);
    font-family:var(--font-body);
    font-weight:600; font-size:.93rem;
    cursor:pointer; border:1.5px solid transparent;
    transition:all .25s var(--ease);
}
.btn-primary { background:var(--lime); color:#09100f; border-color:var(--lime); }
.btn-primary:hover { background:#bef264; transform:translateY(-2px); box-shadow:0 8px 24px rgba(163,230,53,.28); }
.btn-outline { background:transparent; border-color:var(--border); color:var(--text-sec); }
.btn-outline:hover { border-color:var(--lime); color:var(--lime); transform:translateY(-2px); }
.arrow { font-style:normal; transition:transform .2s; }
.btn:hover .arrow, .project-link:hover .arrow { transform:translateX(4px); }

/* ── Header ── */
.header {
    position:fixed; top:0; left:0; right:0;
    height:var(--header-h);
    background:rgba(9,16,15,.88);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border);
    z-index:100; display:flex; align-items:center;
    transition:border-color .3s;
}
.header.scrolled { border-color:rgba(163,230,53,.18); }
.header-container { display:flex; justify-content:space-between; align-items:center; width:100%; }

.logo { font-family:var(--font-display); font-size:1.35rem; font-weight:700; letter-spacing:-.03em; }
.logo-surname { color:var(--lime); }

.nav-list { display:flex; gap:2.5rem; }
.nav-link {
    font-size:.9rem; font-weight:500; color:var(--text-sec);
    position:relative; padding-bottom:2px;
}
.nav-link::after {
    content:''; position:absolute; bottom:-2px; left:0;
    width:0; height:1.5px; background:var(--lime);
    transition:width .25s var(--ease);
}
.nav-link:hover, .nav-link.active { color:var(--text); }
.nav-link:hover::after, .nav-link.active::after { width:100%; }

.btn-contact {
    padding:.32rem .85rem !important;
    border-radius:var(--r-sm) !important;
    background:var(--lime-glow) !important;
    border:1px solid var(--border-hl) !important;
    color:var(--lime) !important;
    font-weight:600;
}
.btn-contact:hover { background:rgba(163,230,53,.22) !important; color:var(--lime) !important; }
.btn-contact::after { display:none !important; }

.burger-menu {
    display:none; background:none; border:none; cursor:pointer;
    flex-direction:column; gap:5px; padding:4px;
}
.burger-menu span { display:block; width:24px; height:2px; background:var(--text); border-radius:2px; transition:.3s; }

/* Mobile nav open state */
.nav.nav-active { transform:translateY(0) !important; }

/* ── Hero ── */
.hero {
    min-height:100vh; display:flex; align-items:center;
    padding-top:var(--header-h); position:relative; overflow:hidden;
}

/* Grid pattern */
.hero::before {
    content:'';
    position:absolute; inset:0;
    background-image:
        linear-gradient(rgba(163,230,53,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(163,230,53,.025) 1px, transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(ellipse 75% 75% at 50% 50%, black 30%, transparent 100%);
}

/* violet orb */
.hero::after {
    content:''; position:absolute; top:-8%; right:-4%;
    width:550px; height:550px;
    background:radial-gradient(circle, rgba(192,132,252,.08) 0%, transparent 65%);
    pointer-events:none;
}

.hero-container-flex {
    display:flex; align-items:center; justify-content:space-between;
    width:100%; gap:5rem; position:relative; z-index:1;
}
.hero-text-content { flex:1; max-width:570px; }

/* Status pill */
.hero-badge {
    display:inline-flex; align-items:center; gap:.5rem;
    background:var(--lime-glow); border:1px solid var(--border-hl);
    color:var(--lime); font-size:.75rem; font-weight:700;
    padding:.28rem .8rem; border-radius:50px; margin-bottom:1.5rem;
    letter-spacing:.07em; text-transform:uppercase;
}
.hero-badge-dot {
    width:6px; height:6px; background:var(--lime); border-radius:50%;
    box-shadow:0 0 6px var(--lime);
    animation:pdot 2s ease-in-out infinite;
}
@keyframes pdot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.6)} }

.hero-title {
    font-size:clamp(2.4rem, 5.5vw, 3.8rem);
    font-weight:800; letter-spacing:-.04em; line-height:1.05;
    margin-bottom:1.25rem; color:var(--text);
}

.hero-subtitle {
    font-size:1.1rem; font-weight:400; color:var(--text-sec);
    margin-bottom:1.75rem; line-height:1.6;
}

.hero-description {
    font-size:.97rem; color:var(--text-muted);
    margin-bottom:2.5rem; max-width:470px; line-height:1.75;
}

.hero-buttons { display:flex; gap:1rem; flex-wrap:wrap; }

/* Stats */
.hero-stats {
    display:flex; gap:2.5rem; margin-top:3rem; padding-top:2rem;
    border-top:1px solid var(--border);
}
.stat-number { font-family:var(--font-display); font-size:1.7rem; font-weight:800; color:var(--lime); line-height:1; }
.stat-label { font-size:.78rem; color:var(--text-muted); margin-top:.25rem; letter-spacing:.03em; }

/* Code window */
.hero-visual { flex:1; display:flex; justify-content:center; position:relative; }

.tech-window {
    background:var(--surface);
    border-radius:var(--r-lg); padding:1.5rem;
    width:100%; max-width:400px;
    border:1px solid var(--border);
    position:relative; z-index:2;
    transform:perspective(1000px) rotateY(-6deg) rotateX(3deg);
    transition:transform .5s var(--ease);
    box-shadow:0 24px 60px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04);
}
.tech-window::before {
    content:''; position:absolute; inset:-1px; border-radius:var(--r-lg);
    background:linear-gradient(135deg, rgba(163,230,53,.14), transparent 50%, rgba(192,132,252,.08));
    z-index:-1;
}
.tech-window:hover { transform:perspective(1000px) rotateY(0) rotateX(0); }

.window-header { display:flex; gap:8px; margin-bottom:1.4rem; }
.dot { width:12px; height:12px; border-radius:50%; }
.dot.red { background:#ef4444; }
.dot.yellow { background:#f59e0b; }
.dot.green { background:#10b981; }

.window-body { font-family:var(--font-mono); font-size:.86rem; line-height:2; }
.code-line { display:block; }
.code-line.indent { padding-left:1.4rem; }
.code-line.empty { height:.6rem; }
.keyword { color:var(--violet); }
.variable { color:#7dd3fc; }
.property { color:#86efac; }
.string { color:#fde68a; }
.boolean { color:#f87171; }
.function { color:#a78bfa; }

.visual-bg-glow {
    position:absolute; width:280px; height:280px;
    background:radial-gradient(circle, rgba(163,230,53,.1) 0%, transparent 70%);
    bottom:-40px; right:-20px; pointer-events:none; z-index:0;
}

/* ── About ── */
.about { background:var(--bg2); }
.about-content { display:flex; gap:3rem; }
.about-text { flex:1; }
.about-text p { color:var(--text-sec); line-height:1.8; margin-bottom:1.4rem; }

.about-list { display:flex; flex-direction:column; gap:.65rem; margin-top:1.25rem; }
.about-list li {
    display:flex; align-items:flex-start; gap:.75rem;
    color:var(--text-sec); padding:.75rem 1rem;
    background:var(--surface); border:1px solid var(--border);
    border-radius:var(--r-sm); font-size:.93rem; line-height:1.5;
    transition:border-color .2s;
}
.about-list li:hover { border-color:var(--border-hl); }
.about-list li strong { color:var(--text); font-weight:600; }

/* ── Projects ── */
.projects { background:var(--bg); }

/* Featured */
.featured-project {
    display:grid; grid-template-columns:1fr 1fr;
    gap:3rem; align-items:center;
    background:var(--surface); border:1px solid var(--border);
    border-radius:var(--r-xl); padding:2.75rem;
    margin-bottom:4rem; position:relative; overflow:hidden;
    transition:border-color .3s;
}
.featured-project::before {
    content:''; position:absolute; top:0; left:0; right:0;
    height:2px; background:linear-gradient(90deg, var(--lime), var(--violet), var(--teal));
}
.featured-project:hover { border-color:var(--border-hl); }

.featured-content { display:flex; flex-direction:column; gap:1.2rem; }

.project-category {
    font-size:.75rem; font-weight:700; color:var(--text-muted);
    text-transform:uppercase; letter-spacing:.1em;
}
.project-category.highlight { color:var(--lime); }

.featured-title { font-size:clamp(1.3rem, 3vw, 1.9rem); font-weight:800; letter-spacing:-.02em; line-height:1.2; }
.featured-description { color:var(--text-sec); line-height:1.7; font-size:.95rem; }

.featured-visual { position:relative; }
.featured-visual img, .project-image-large {
    width:100%; height:220px; object-fit:cover;
    border-radius:var(--r-md);
}

.card-badge {
    position:absolute; top:.75rem; right:.75rem;
    padding:.2rem .65rem; border-radius:50px;
    font-size:.7rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
}
.card-badge.academic { background:rgba(192,132,252,.12); color:var(--violet); border:1px solid rgba(192,132,252,.28); }
.card-badge.personal { background:var(--lime-glow); color:var(--lime); border:1px solid var(--border-hl); }
.featured-badge { top:1rem; right:1rem; }

/* Grid */
.projects-grid {
    display:grid; grid-template-columns:repeat(auto-fill, minmax(310px, 1fr));
    gap:1.5rem; margin-bottom:2rem;
}

.project-card {
    background:var(--surface); border:1px solid var(--border);
    border-radius:var(--r-lg); overflow:hidden;
    transition:border-color .3s, transform .3s var(--ease);
    display:flex; flex-direction:column;
}
.project-card:hover { border-color:var(--border-hl); transform:translateY(-4px); }

.project-image-wrapper { position:relative; overflow:hidden; }
.project-image-wrapper img {
    width:100%; height:190px; object-fit:cover;
    transition:transform .5s var(--ease);
}
.project-card:hover .project-image-wrapper img { transform:scale(1.05); }

.project-content { padding:1.4rem; display:flex; flex-direction:column; gap:.55rem; flex:1; }
.project-title { font-family:var(--font-display); font-size:1.05rem; font-weight:700; letter-spacing:-.01em; }
.project-description { color:var(--text-sec); font-size:.88rem; line-height:1.6; flex:1; }

.project-link {
    display:inline-flex; align-items:center; gap:.4rem;
    color:var(--lime); font-size:.85rem; font-weight:600; margin-top:.4rem;
    transition:gap .2s;
}
.project-link:hover { gap:.7rem; }

/* Collection card */
.projects-collection-link { margin-top:2rem; }
.collection-card {
    background:var(--surface); border:1px dashed rgba(163,230,53,.18);
    border-radius:var(--r-lg); padding:2.25rem; transition:border-color .3s;
}
.collection-card:hover { border-color:rgba(163,230,53,.38); }
.collection-content { display:flex; align-items:center; justify-content:space-between; gap:2rem; }

/* ── Skills ── */
.skills { background:var(--bg2); }

.skills-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(230px, 1fr)); gap:1.4rem; margin-bottom:3rem; }

.skill-category {
    background:var(--surface); border:1px solid var(--border);
    border-radius:var(--r-lg); padding:1.6rem; transition:border-color .3s;
}
.skill-category:hover { border-color:var(--border-hl); }

.skill-category h3 {
    font-family:var(--font-display); font-size:.8rem; font-weight:700;
    margin-bottom:1.1rem; color:var(--lime); text-transform:uppercase; letter-spacing:.08em;
}

.skill-list { display:flex; flex-direction:column; gap:.45rem; }
.skill-list li {
    color:var(--text-sec); font-size:.88rem;
    display:flex; align-items:center; gap:.55rem;
}
.skill-list li::before {
    content:''; width:5px; height:5px;
    background:var(--lime-dim); border-radius:50%; flex-shrink:0; opacity:.55;
}

/* Languages */
.languages-container { border-top:1px solid var(--border); padding-top:2rem; }
.languages-container h3 {
    font-family:var(--font-display); font-size:.8rem; font-weight:700;
    margin-bottom:1.1rem; color:var(--text-sec); text-transform:uppercase; letter-spacing:.08em;
}
.languages-list { display:flex; gap:1.25rem; flex-wrap:wrap; }
.language-item {
    display:flex; align-items:center; gap:.75rem;
    background:var(--surface); border:1px solid var(--border);
    border-radius:var(--r-md); padding:.7rem 1.2rem;
}
.flag-icon { width:26px; border-radius:3px; }
.lang-details { display:flex; flex-direction:column; }
.lang-details strong { font-size:.9rem; color:var(--text); }
.lang-level { font-size:.78rem; color:var(--text-muted); }

/* ── Timeline ── */
.timeline-section { background:var(--bg); }

.timeline {
    position:relative; padding-left:2rem; max-width:680px; margin:0 auto;
}
.timeline::before {
    content:''; position:absolute; left:0; top:0; bottom:0;
    width:1.5px; background:linear-gradient(to bottom, var(--lime), var(--violet) 70%, transparent);
}

.timeline-item { position:relative; padding-left:2.5rem; padding-bottom:3rem; }
.timeline-item::before {
    content:''; position:absolute; left:-6px; top:5px;
    width:13px; height:13px; background:var(--lime); border-radius:50%;
    border:2px solid var(--bg); box-shadow:0 0 10px rgba(163,230,53,.6);
}
.timeline-item:last-child { padding-bottom:0; }

.timeline-date {
    font-family:var(--font-mono); font-size:.78rem;
    color:var(--lime); margin-bottom:.5rem; letter-spacing:.05em;
}
.timeline-content h3 { font-size:1.1rem; font-weight:700; margin-bottom:.35rem; }
.institution { font-size:.83rem; color:var(--violet); font-weight:500; display:block; margin-bottom:.6rem; }
.timeline-content p { color:var(--text-sec); font-size:.9rem; line-height:1.7; }

/* ── Contact ── */
.contact { background:var(--bg2); }

.contact-wrapper { display:flex; gap:4rem; align-items:flex-start; justify-content:space-between; }
.contact-info { flex:1; max-width:360px; }
.contact-text { color:var(--text-sec); line-height:1.75; margin-top:1rem; }

.contact-links { flex:1; display:flex; flex-direction:column; gap:.9rem; max-width:420px; }

.contact-item {
    display:flex; align-items:center; gap:1rem;
    padding:.95rem 1.2rem; background:var(--surface);
    border:1px solid var(--border); border-radius:var(--r-md);
    color:var(--text-sec); transition:border-color .25s, transform .25s;
    font-size:.93rem;
}
.contact-item:hover { border-color:var(--border-hl); color:var(--text); transform:translateX(4px); }
.contact-icon { width:20px; height:20px; flex-shrink:0; }
.email-box { justify-content:space-between; }
.email-content { display:flex; align-items:center; gap:1rem; flex:1; }

.copy-btn {
    background:none; border:1px solid var(--border);
    border-radius:var(--r-sm); padding:.38rem;
    color:var(--text-muted); cursor:pointer;
    transition:all .2s; display:flex; align-items:center;
}
.copy-btn:hover { border-color:var(--lime); color:var(--lime); }
.copy-btn.copied { border-color:#10b981; color:#10b981; }
.phone-box { pointer-events:none; }

/* ── Footer ── */
.footer {
    background:var(--bg); border-top:1px solid var(--border);
    padding:2rem 0; text-align:center;
    color:var(--text-muted); font-size:.85rem;
}

/* ── Project Detail Pages ── */
.project-nav {
    padding:1rem 2rem; background:rgba(9,16,15,.92);
    backdrop-filter:blur(12px); border-bottom:1px solid var(--border);
    position:sticky; top:0; z-index:50;
}
.back-link {
    color:var(--text-sec); font-size:.88rem; font-weight:500;
    display:inline-flex; align-items:center; gap:.4rem; transition:color .2s;
}
.back-link:hover { color:var(--lime); }

.project-detail-container { max-width:840px; margin:4rem auto; padding:0 2rem; }

.project-category-badge {
    display:inline-block; padding:.28rem .85rem;
    background:var(--lime-glow); color:var(--lime);
    border:1px solid var(--border-hl); border-radius:50px;
    font-size:.78rem; font-weight:700; letter-spacing:.06em;
    text-transform:uppercase; margin-bottom:1.2rem;
}

.project-title-large {
    font-size:clamp(1.9rem, 5vw, 2.8rem);
    font-weight:800; letter-spacing:-.03em; margin-bottom:1rem;
}

.project-subtitle {
    font-size:1.05rem; color:var(--text-sec);
    margin-bottom:2.5rem; line-height:1.7;
}

.project-hero-image-container {
    width:100%; height:360px; border-radius:var(--r-lg);
    overflow:hidden; border:1px solid var(--border); margin-bottom:3rem;
}
.project-hero-image { width:100%; height:100%; object-fit:cover; }

.project-info-grid {
    display:grid; grid-template-columns:repeat(auto-fill, minmax(150px, 1fr));
    gap:1rem; margin-bottom:3rem; padding:1.4rem;
    background:var(--surface); border:1px solid var(--border); border-radius:var(--r-lg);
}
.info-item h3 {
    font-size:.72rem; font-weight:700; text-transform:uppercase;
    letter-spacing:.08em; color:var(--text-muted); margin-bottom:.3rem;
}
.info-item p { color:var(--text); font-size:.9rem; }

.project-body h2 {
    font-size:1.2rem; font-weight:700; margin:.5rem 0 1rem;
    padding-bottom:.5rem; border-bottom:1px solid var(--border); margin-top:2.5rem;
}
.project-body p { color:var(--text-sec); line-height:1.8; margin-bottom:1rem; }

.project-body ul.about-list {
    display:flex; flex-direction:column; gap:.45rem; margin-bottom:1rem;
}
.project-body ul.about-list li {
    background:var(--surface); border:1px solid var(--border);
    border-radius:var(--r-sm); padding:.55rem 1rem;
    color:var(--text-sec); font-size:.88rem; line-height:1.5;
    display:flex; align-items:flex-start; gap:.6rem;
}

.project-body code {
    font-family:var(--font-mono); font-size:.83em;
    background:rgba(163,230,53,.08); color:var(--lime);
    padding:.1em .4em; border-radius:4px;
}

/* GitHub card */
.github-card {
    display:flex; align-items:flex-start; gap:1.5rem;
    background:var(--surface2); border:1px solid var(--border);
    border-radius:var(--r-lg); padding:1.75rem; margin-top:2.5rem;
    transition:border-color .3s;
}
.github-card:hover { border-color:var(--border-hl); }
.github-icon { color:var(--text-sec); flex-shrink:0; }
.github-content h2 { font-size:1.05rem; margin-bottom:.45rem; }
.github-content p { color:var(--text-sec); font-size:.88rem; line-height:1.6; margin-bottom:1rem; }

.status-badge {
    display:inline-flex; align-items:center; gap:.5rem;
    font-size:.83rem; color:var(--text-sec);
    background:var(--surface); border:1px solid var(--border);
    padding:.38rem .9rem; border-radius:50px;
}
.dot.pulse {
    width:7px; height:7px; background:var(--lime); border-radius:50%;
    box-shadow:0 0 6px var(--lime); animation:pdot 2s ease-in-out infinite;
}
.github-card.unavailable { opacity:.55; }

/* Mini project collection */
.collection-grid {
    display:grid; grid-template-columns:repeat(auto-fill, minmax(240px, 1fr));
    gap:1.4rem; max-width:860px; margin:2rem auto; padding:0 2rem;
}
.design-card {
    background:var(--surface); border:1px solid var(--border);
    border-radius:var(--r-lg); padding:1.75rem; transition:border-color .3s, transform .3s;
}
.design-card:hover { border-color:var(--border-hl); transform:translateY(-3px); }
.design-card h3 { font-size:.97rem; font-weight:700; margin:1rem 0 .5rem; }
.design-card p { color:var(--text-sec); font-size:.85rem; line-height:1.6; }
.card-icon-wrapper { color:var(--lime); }
.design-card.python .card-icon-wrapper { color:#fbbf24; }
.design-card.web .card-icon-wrapper { color:var(--violet); }
.design-card.git .card-icon-wrapper { color:#f97316; }

/* project-system page header */
.project-body { font-size:1rem; }

/* Certificate */
.certificate-container { margin-top:2rem; }
.certificate-placeholder {
    border:1px dashed rgba(192,132,252,.28); border-radius:var(--r-lg);
    padding:2.25rem; text-align:center; background:rgba(192,132,252,.04);
}
.cert-icon { margin:0 auto 1rem; color:var(--violet); }
.certificate-placeholder p { color:var(--text-sec); margin-bottom:1rem; }
.btn.small { font-size:.83rem; padding:.45rem 1rem; }

/* Project media */
.project-media-grid { display:grid; gap:1.4rem; }
.media-item h3 { font-size:.97rem; font-weight:700; margin-bottom:.45rem; }
.media-item p { color:var(--text-sec); font-size:.88rem; }
.project-image-small { border-radius:var(--r-md); border:1px solid var(--border); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .burger-menu { display:flex; }

    .nav {
        position:fixed; top:var(--header-h); left:0; right:0;
        background:rgba(9,16,15,.97); backdrop-filter:blur(20px);
        padding:2rem; border-bottom:1px solid var(--border);
        transform:translateY(-110%); transition:transform .3s var(--ease); z-index:99;
    }
    .nav-list { flex-direction:column; gap:1rem; }
    .nav-link { font-size:1.05rem; }

    .hero-container-flex { flex-direction:column; gap:3rem; text-align:center; }
    .hero-text-content { max-width:100%; }
    .hero-description { margin:0 auto 2rem; }
    .hero-buttons { justify-content:center; }
    .hero-stats { justify-content:center; gap:2rem; }
    .tech-window { transform:none; max-width:360px; }

    .featured-project { grid-template-columns:1fr; }
    .projects-grid { grid-template-columns:1fr; }
    .skills-grid { grid-template-columns:1fr 1fr; }
    .contact-wrapper { flex-direction:column; gap:2rem; }
    .contact-info, .contact-links { max-width:100%; }
    .collection-content { flex-direction:column; align-items:flex-start; gap:1.5rem; }
    .project-title-large { font-size:1.8rem; }
    .project-info-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width: 480px) {
    .skills-grid { grid-template-columns:1fr; }
    .hero-stats { gap:1.5rem; }
    .project-info-grid { grid-template-columns:1fr; }
}