/* ═══════════════════════════════════════════
   SMART'ILIA — UMONS Research Lab
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Nunito+Sans:opsz,wght@6..12,300;6..12,400;6..12,600;6..12,700&display=swap');

:root {
    /* ── Clean Neutral Palette ── */
    --paper:          #F4F4F2;
    --paper-mid:      #EBEBEA;
    --paper-deep:     #E0E0DC;
    --paper-border:   #D2D2CD;

    /* ── Neutral Ink ── */
    --ink:            #141414;
    --ink-mid:        #565654;
    --ink-muted:      #9A9A98;

    /* ── UMONS Crimson ── */
    --crimson:        #8B1538;
    --crimson-deep:   #6B0F2A;
    --crimson-light:  #A52145;
    --crimson-glow:   rgba(139, 21, 56, 0.07);
    --crimson-subtle: #F3E8EC;

    /* ── Steel accent (replaces amber) ── */
    --amber:          #3D6B8E;
    --amber-glow:     rgba(61, 107, 142, 0.10);

    /* ── Typography ── */
    --serif: 'Libre Baskerville', 'Georgia', serif;
    --sans:  'Nunito Sans', 'Segoe UI', sans-serif;

    /* ── Layout ── */
    --nav-h:    88px;
    --pad-x:    clamp(1.25rem, 4vw, 3rem);
    --max-w:    1280px;
    --radius:   2px;
}

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

body {
    font-family: var(--sans);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection { background: var(--crimson); color: #fff; }

/* ── Grain texture ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 999;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px;
}

/* ══════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: #ffffff;
    border-bottom: 1px solid var(--paper-border);
    box-shadow: 0 1px 8px rgba(20, 20, 20, 0.06);
    transition: box-shadow 0.4s ease, background 0.4s ease;
}

#navbar.scrolled {
    box-shadow: 0 4px 24px rgba(20, 20, 20, 0.10);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad-x);
    height: var(--nav-h);
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: row;
    flex-direction: row;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}

/* ── Logo ── */
.nav-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-logo img {
    height: 72px;
    width: auto;
    display: block;
}

/* ── Links (desktop) ── */
.nav-links {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: row;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    display: inline-block;
    margin: 0;
    padding: 0;
}

.nav-links li a {
    display: inline-block;
    text-decoration: none;
    color: var(--ink-mid);
    font-family: var(--sans);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 8px 18px;
    border-radius: var(--radius);
    position: relative;
    transition: color 0.25s ease, background 0.25s ease;
    white-space: nowrap;
}

.nav-links li a:hover {
    color: var(--crimson);
    background: var(--crimson-glow);
}

.nav-links li a.active {
    color: var(--crimson);
    background: var(--crimson-glow);
}

.nav-links li a.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--crimson);
}

/* ── Burger (hidden on desktop) ── */
.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    z-index: 10;
}

.nav-burger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ══════════════════════════════════════════
   LAYOUT UTILITIES
   ══════════════════════════════════════════ */
.page {
    min-height: 100vh;
    padding: calc(var(--nav-h) + clamp(3rem, 6vw, 5rem)) var(--pad-x) clamp(4rem, 8vw, 7rem);
}

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    width: 100%;
}

/* ══════════════════════════════════════════
   SECTION HEADER
   ══════════════════════════════════════════ */
.section-header { margin-bottom: clamp(3rem, 5vw, 5rem); }

.section-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--amber);
    flex-shrink: 0;
}

.section-title {
    font-family: var(--serif);
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 400;
    letter-spacing: -0.025em;
    color: var(--ink);
    line-height: 1.15;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--ink-mid);
    max-width: 520px;
    margin-top: 1.25rem;
    line-height: 1.8;
    font-weight: 300;
}

/* ══════════════════════════════════════════
   HERO
   ══════════════════════════════════════════ */
.page-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--paper);
    overflow: hidden;
}

.hero-main {
    flex: 1;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-h) + clamp(2.5rem, 5vw, 4rem)) var(--pad-x) clamp(2rem, 4vw, 3rem);
    position: relative;
    z-index: 1;
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: center;
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
}

.hero-content {
    opacity: 0;
    transform: translateY(32px);
    animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
}

.hero-overline {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-overline::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--amber);
}

.hero-title {
    font-family: var(--serif);
    font-size: clamp(2.8rem, 5.5vw, 5.2rem);
    font-weight: 400;
    line-height: 1.07;
    letter-spacing: -0.03em;
    margin-bottom: 1.75rem;
    color: var(--ink);
}

.hero-title em {
    font-style: italic;
    color: var(--crimson);
}

.hero-desc {
    font-size: 1rem;
    color: var(--ink-mid);
    max-width: 460px;
    line-height: 1.85;
    font-weight: 300;
    margin-bottom: 2.75rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ── Buttons ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--crimson);
    color: #fff;
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--crimson-deep);
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-primary:hover::before { transform: translateY(0); }
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }
.btn-primary svg { width: 14px; height: 14px; transition: transform 0.3s ease; }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 22px;
    background: transparent;
    color: var(--ink-mid);
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--paper-border);
    transition: all 0.3s ease;
}

.btn-ghost:hover {
    border-color: var(--crimson);
    color: var(--crimson);
    background: var(--crimson-glow);
}

/* ── Hero Visual ── */
.hero-visual {
    opacity: 0;
    transform: translateY(32px);
    animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}

.hero-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--paper-border);
    border: 1px solid var(--paper-border);
}

.hero-card {
    background: var(--paper-mid);
    padding: 1.75rem 1.5rem;
    position: relative;
    overflow: hidden;
    transition: background 0.3s ease;
}

.hero-card:hover { background: var(--paper); }

.hero-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 2px; height: 100%;
    background: linear-gradient(180deg, var(--crimson), var(--amber));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-card:hover::before { transform: scaleY(1); }

.hero-card--wide {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.hero-card-icon {
    width: 38px; height: 38px;
    background: var(--crimson-glow);
    border: 1px solid rgba(139,21,56,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero-card-icon svg { width: 17px; height: 17px; color: var(--crimson); }

.hero-card .stat-number {
    font-family: var(--serif);
    font-size: 3.2rem;
    font-weight: 400;
    color: var(--crimson);
    line-height: 1;
    margin-bottom: 0.4rem;
    letter-spacing: -0.04em;
}

.hero-card .stat-label {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.hero-card .stat-desc {
    font-size: 0.88rem;
    color: var(--ink-mid);
    line-height: 1.7;
    font-weight: 300;
}

/* ── Network background (mini-logo) ── */
.network-bg {
    position: absolute;
    top: 50%;
    right: 2%;
    transform: translateY(-50%);
    width: 42%;
    pointer-events: none;
    z-index: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-bg-logo {
    width: 100%;
    height: auto;
    opacity: 0.12;
}

/* ── Ticker strip ── */
.ticker-strip {
    border-top: 1px solid var(--paper-deep);
    padding: 12px 0;
    overflow: hidden;
    background: var(--paper-mid);
    position: relative;
    z-index: 1;
}

.ticker-track {
    display: flex;
    white-space: nowrap;
    will-change: transform;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 2rem;
    padding: 0 2rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.ticker-item::after {
    content: '·';
    color: var(--amber);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ══════════════════════════════════════════
   RESEARCH AREAS
   ══════════════════════════════════════════ */
.research-areas {
    background: var(--paper-mid);
    padding: clamp(5rem, 8vw, 8rem) var(--pad-x);
    border-top: 1px solid var(--paper-deep);
}

.research-areas .container {
    display: grid;
    grid-template-columns: 1fr 2.2fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: start;
}

.ra-intro-title {
    font-family: var(--serif);
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 1.25rem;
}

.ra-intro-desc {
    font-size: 0.92rem;
    color: var(--ink-mid);
    line-height: 1.8;
    font-weight: 300;
}

.ra-grid {
    border: 1px solid var(--paper-deep);
    background: var(--paper-border);
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.ra-card {
    background: var(--paper-mid);
    padding: 2rem 2.25rem;
    display: grid;
    grid-template-columns: 2.5rem 1fr auto;
    align-items: start;
    gap: 1.5rem;
    opacity: 0;
    transform: translateX(-16px);
    transition: background 0.3s ease, opacity 0.6s ease, transform 0.6s cubic-bezier(0.22,1,0.36,1);
}

.ra-card.visible { opacity: 1; transform: translateX(0); }
.ra-card:hover { background: var(--paper); }

.ra-num {
    font-family: var(--serif);
    font-size: 0.8rem;
    color: var(--amber);
    font-weight: 400;
    padding-top: 3px;
    font-style: italic;
}

.ra-title {
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.ra-desc {
    font-size: 0.88rem;
    color: var(--ink-mid);
    line-height: 1.75;
    font-weight: 300;
}

.ra-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.9rem;
}

.ra-tag {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 9px;
    background: var(--amber-glow);
    color: var(--amber);
    border: 1px solid rgba(184,137,74,0.2);
}

.ra-arrow {
    width: 30px; height: 30px;
    border: 1px solid var(--paper-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 3px;
    transition: all 0.3s ease;
}

.ra-arrow svg { width: 13px; height: 13px; color: var(--ink-muted); transition: all 0.3s ease; }
.ra-card:hover .ra-arrow { border-color: var(--crimson); background: var(--crimson); }
.ra-card:hover .ra-arrow svg { color: #fff; }

/* ══════════════════════════════════════════
   TEAM
   ══════════════════════════════════════════ */
.page-team {
    background: var(--paper-mid);
    position: relative;
    overflow: hidden;
}

.page-team-bg-text {
    position: absolute;
    top: calc(var(--nav-h) + 1rem);
    right: -1rem;
    font-family: var(--serif);
    font-size: clamp(6rem, 14vw, 15rem);
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1px rgba(184, 137, 74, 0.08);
    line-height: 1;
    pointer-events: none;
    user-select: none;
    letter-spacing: -0.04em;
}

.team-groups {
    display: flex;
    flex-direction: column;
    gap: clamp(3.5rem, 6vw, 5.5rem);
    position: relative;
    z-index: 1;
}

.team-group-label {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    gap: 14px;
}

.team-group-label::before {
    content: '';
    width: 18px;
    height: 1px;
    background: var(--amber);
    opacity: 0.7;
}

.team-group-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--paper-deep);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1px;
    background: var(--paper-border);
}

.team-card {
    background: var(--paper);
    padding: 2.25rem 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22,1,0.36,1), background 0.3s ease;
}

.team-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--crimson), var(--amber));
    transform: scaleX(0);
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.team-card:hover::after { transform: scaleX(1); }
.team-card.visible { opacity: 1; transform: translateY(0); }
.team-card:hover { background: #fff; }

.team-photo-wrap { position: relative; margin-bottom: 1.5rem; }

.team-photo {
    width: 96px; height: 96px;
    border-radius: 50%;
    object-fit: cover;
    filter: grayscale(45%) contrast(1.05);
    transition: all 0.5s ease;
    border: 3px solid var(--paper-deep);
}

.team-card:hover .team-photo {
    filter: grayscale(0%) contrast(1.02);
    border-color: var(--crimson-subtle);
    transform: scale(1.04);
}

.team-placeholder {
    width: 96px; height: 96px;
    border-radius: 50%;
    background: var(--paper-mid);
    border: 2px dashed var(--paper-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.team-placeholder svg { width: 30px; height: 30px; color: var(--ink-muted); opacity: 0.4; }

.team-name {
    font-family: var(--serif);
    font-size: 1.05rem;
    font-weight: 400;
    margin-bottom: 0.4rem;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.team-role {
    font-size: 0.68rem;
    color: var(--crimson);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ══════════════════════════════════════════
   PROJECTS
   ══════════════════════════════════════════ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--paper-border);
}

.project-card {
    background: var(--paper-mid);
    padding: clamp(2rem, 3vw, 3rem) clamp(1.75rem, 3vw, 2.75rem);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22,1,0.36,1), background 0.3s ease;
}

.project-card.visible { opacity: 1; transform: translateY(0); }
.project-card:hover { background: var(--paper); }

.project-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
}

.project-card--featured .project-header { margin-bottom: 0; }

.project-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 2px; height: 100%;
    background: linear-gradient(180deg, var(--crimson), var(--amber));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card:hover::before { transform: scaleY(1); }

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.project-number {
    font-family: var(--serif);
    font-size: 4rem;
    font-weight: 400;
    color: var(--ink);
    opacity: 0.06;
    line-height: 1;
    letter-spacing: -0.05em;
    transition: opacity 0.4s ease;
    font-style: italic;
}

.project-card:hover .project-number { opacity: 0.1; }

.project-icon {
    width: 40px; height: 40px;
    background: var(--crimson-glow);
    border: 1px solid rgba(139,21,56,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.project-card:hover .project-icon { background: var(--crimson); border-color: var(--crimson); }
.project-icon svg { width: 18px; height: 18px; color: var(--crimson); transition: color 0.3s ease; }
.project-card:hover .project-icon svg { color: #fff; }

.project-title {
    font-family: var(--serif);
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    font-weight: 400;
    margin-bottom: 0.9rem;
    line-height: 1.3;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.project-card--featured .project-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.project-desc {
    font-size: 0.9rem;
    color: var(--ink-mid);
    line-height: 1.8;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.project-tag {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 10px;
    background: transparent;
    color: var(--ink-muted);
    border: 1px solid var(--paper-border);
    transition: all 0.3s ease;
}

.project-card:hover .project-tag {
    background: var(--crimson-glow);
    color: var(--crimson);
    border-color: rgba(139,21,56,0.18);
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
footer {
    background: var(--ink);
    color: var(--paper);
    padding: clamp(3rem, 5vw, 5rem) var(--pad-x);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--crimson), transparent);
    opacity: 0.4;
}

.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: start;
    gap: 3rem;
}

/* ── Left: brand ── */
.footer-brand {}

.footer-logo-img {
    height: 52px;
    width: auto;
    /* logo.png has white bg — invert for dark footer */
    filter: brightness(0) invert(1);
    opacity: 0.85;
    display: block;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 0.78rem;
    color: rgba(244,244,242,0.35);
    font-style: italic;
    font-family: var(--serif);
    line-height: 1.5;
    max-width: 220px;
}

/* ── Center: nav ── */
.footer-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}

.footer-nav a {
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(244,244,242,0.4);
    transition: color 0.2s ease;
}

.footer-nav a:hover { color: rgba(244,244,242,0.85); }

/* ── Right: info ── */
.footer-info {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.footer-uni {
    font-size: 0.78rem;
    color: rgba(244,244,242,0.55);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.footer-faculty {
    font-size: 0.74rem;
    color: rgba(244,244,242,0.3);
}

.footer-copy {
    font-size: 0.7rem;
    color: rgba(244,244,242,0.2);
    margin-top: 0.5rem;
}

/* ══════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════ */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */

/* Tablet landscape */
@media (max-width: 1100px) {
    .hero { grid-template-columns: 1fr; gap: 3.5rem; }
    .hero-visual { order: -1; }
    .hero-cards { max-width: 500px; }
    .hero-title { font-size: clamp(2.6rem, 6vw, 4rem); }

    .projects-grid { grid-template-columns: 1fr; }
    .project-card--featured { grid-template-columns: 1fr; gap: 0; }
    .project-card--featured .project-header { margin-bottom: 1.5rem; }

    .research-areas .container { grid-template-columns: 1fr; gap: 2.5rem; }

    .network-bg { width: 45%; }
}

/* Tablet portrait */
@media (max-width: 768px) {
    :root { --nav-h: 64px; }

    .nav-logo img { height: 52px; }

    .nav-links {
        display: none !important;
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.25rem var(--pad-x);
        gap: 0.15rem;
        border-bottom: 1px solid var(--paper-border);
        box-shadow: 0 16px 48px rgba(30,21,16,0.1);
        list-style: none;
        margin: 0;
    }

    .nav-links.open { display: flex !important; flex-direction: column; }
    .nav-links li { display: block; }
    .nav-links li a { display: block; padding: 12px 14px; font-size: 0.75rem; }
    .nav-burger { display: flex; }

    .hero { gap: 2.5rem; }
    .hero-cards { grid-template-columns: 1fr; max-width: 100%; }
    .hero-card--wide { flex-direction: column; gap: 1rem; }
    .hero-actions { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .btn-primary, .btn-ghost { width: 100%; justify-content: center; }

    .network-bg { display: none; }

    .team-grid { grid-template-columns: 1fr 1fr; }

    .footer-inner { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
    .footer-brand { display: flex; flex-direction: column; align-items: center; }
    .footer-tagline { max-width: 100%; }
    .footer-nav { flex-direction: row; flex-wrap: wrap; justify-content: center; }
    .footer-info { text-align: center; align-items: center; }
    .footer-copy { text-align: center; }

    .ra-card { grid-template-columns: 2.5rem 1fr; }
    .ra-arrow { display: none; }

    .page-team-bg-text { display: none; }
}

/* Large mobile */
@media (max-width: 560px) {
    .hero-title { font-size: clamp(2.2rem, 8vw, 3rem); }
    .team-grid { grid-template-columns: 1fr; }
    .hero-cards { gap: 1px; }
    .ticker-item { font-size: 0.6rem; padding: 0 1.25rem; gap: 1.25rem; }

    .project-card--featured { padding: 2rem 1.5rem; }
}

/* Small mobile */
@media (max-width: 380px) {
    :root { --nav-h: 58px; }
    .nav-logo img { height: 44px; }
    .section-title { font-size: 1.9rem; }
}