/* ============================================================
   site.css  –  Shared base for all subpages
   Replaces: background2.css, background3.css, footer.css,
             research.css (base), contact.css, cv.css (base)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400&family=Syne:wght@300;400;600&display=swap');

:root {
    --border:    rgba(255,255,255,0.07);
    --border-hi: rgba(255,255,255,0.18);
    --text:      #e8e8ea;
    --muted:     #6e6e73;
    --dim:       #b0b0b8;
    --accent:    #a0c4ff;
    --glow:      rgba(160,196,255,0.08);
    --surface:   rgba(0,0,0,0.4);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    background: linear-gradient(to bottom right, #0a0a0d, #a8a8b0);
    background-attachment: fixed;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── Header / Nav ── */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 2rem;
}

.menu {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.menu li a {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

.menu li a:hover { color: var(--text); }

#language-menu {
    background: none;
    border: 1px solid var(--border);
    color: var(--muted);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.35rem 0.8rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

#language-menu:hover {
    border-color: var(--border-hi);
    color: var(--text);
}

#language-list {
    position: absolute;
    top: 3rem;
    right: 2rem;
    background: rgba(10,10,12,0.95);
    border: 1px solid var(--border-hi);
    border-radius: 0.75rem;
    list-style: none;
    overflow: hidden;
    z-index: 200;
}

#language-list li {
    padding: 0.6rem 1.2rem;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: var(--muted);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

#language-list li:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text);
}

#language-list.hidden { display: none; }
.hidden { display: none; }

/* ── Main ── */
main {
    flex: 1;
    max-width: 780px;
    margin: 0 auto;
    padding: 4rem 2rem 6rem;
    animation: fadeUp 0.7s ease both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Portrait + Name (centered) ── */
main > h1:first-of-type,
main > h2:first-of-type {
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    letter-spacing: -0.01em;
    color: var(--text);
    text-align: center;
    margin-bottom: 0.3rem;
}

main > p:first-of-type {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    text-align: center;
    margin-bottom: 0;
}

.friend-container {
    display: flex;
    justify-content: center;
    margin: 2rem 0 3rem;
}

.friend-card img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--border-hi);
    filter: grayscale(20%);
    display: block;
}

/* ── Text container ── */
.text-container {
    text-align: left;
}

.text-container > h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 300;
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    letter-spacing: 0.02em;
    color: var(--accent);
    margin-bottom: 2rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border);
}

/* CV header gradient – overrides color above */
.text-container > h1.cv-main-header {
    background: linear-gradient(135deg, #e8e8ea 60%, #a0c4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* ── Generic content text ── */
h1, h2, h3 { font-family: 'Syne', sans-serif; }

p {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.88rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--dim);
}

a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover { color: var(--accent); }

/* ── Footer ── */
.site-footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 16px 0 20px;
    color: #4a4a52;
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 1;
    border-top: 1px solid rgba(0,0,0,0.15);
    background: rgba(0,0,0,0.12);
}

.site-footer p { font-size: 0.55rem; letter-spacing: 0.15em; margin: 0; }

.site-footer a {
    text-decoration: none;
    color: #4a4a52;
    font-size: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
    transition: color 0.2s;
}

.site-footer a:hover { color: #1a1a22; opacity: 1; }

/* ── Responsive ── */
@media (max-width: 600px) {
    main           { padding: 3rem 1.25rem 5rem; }
    nav            { padding: 0.75rem 1.25rem; }
    #language-list { right: 1.25rem; }
}