/* =============================================
   PAGES.CSS — All inner page styles
   ============================================= */

/* --- Shared Variables --- */
:root {
    --glass: rgba(255,255,255,0.03);
    --glass-border: rgba(255,255,255,0.08);
    --primary: #818cf8;
    --secondary: #f472b6;
    --accent: #2dd4bf;
    --transition: all 0.4s cubic-bezier(0.23,1,0.32,1);
}

/* --- Canvas Fix (all pages) --- */
#particleCanvas {
    position: fixed; top:0; left:0;
    width:100%; height:100%;
    z-index:0; pointer-events:none;
}
/* Removed body > * z-index rule — it was causing page sections to block the fixed navbar */

/* --- Shared Utilities --- */
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--primary);
    background: rgba(129,140,248,0.1);
    border: 1px solid rgba(129,140,248,0.2);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.2rem;
}

.section-header { margin-bottom: 4rem; }
.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
}

/* --- Page Header Banner --- */
.page-header {
    min-height: 35vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 5% 4rem;
    position: relative;
    overflow: hidden;
    /* No z-index — prevents blocking fixed navbar */
}
.page-header::before {
    content:'';
    position:absolute; inset:0;
    background: radial-gradient(ellipse at 50% 0%, rgba(129,140,248,0.12) 0%, transparent 70%);
    pointer-events:none;
}
.page-title {
    font-size: clamp(2.5rem,6vw,5rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1rem;
}
.page-subtitle {
    color: #9ca3af;
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}
.page-header-shapes { display:none; }

/* =============================================
   ABOUT PAGE
   ============================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 5rem;
    align-items: center;
}
.about-visual { display:flex; flex-direction:column; gap:2rem; align-items:center; }
.about-avatar {
    width:180px; height:180px;
    border-radius:50%;
    background: linear-gradient(135deg,var(--primary),var(--secondary));
    display:flex; align-items:center; justify-content:center;
    font-size:4rem; color:#fff;
    position:relative;
    box-shadow: 0 0 60px rgba(129,140,248,0.3);
}
.avatar-hexagon { font-size:4rem; }
.avatar-glow {
    position:absolute; inset:-15px; border-radius:50%;
    background: radial-gradient(circle,rgba(129,140,248,0.3),transparent 70%);
    z-index:-1;
}
.about-contact-card {
    background: var(--glass);
    border:1px solid var(--glass-border);
    border-radius:20px; padding:1.5rem;
    display:flex; flex-direction:column; gap:1rem;
    width:100%;
}
.contact-item {
    display:flex; align-items:center; gap:0.8rem;
    font-size:0.9rem; color:#9ca3af;
}
.contact-item i { color:var(--primary); width:16px; }
.about-text h2 { font-size:2.5rem; font-weight:800; margin-bottom:1.5rem; line-height:1.2; }
.about-text p { color:#9ca3af; line-height:1.8; margin-bottom:1rem; }
.about-tags { display:flex; flex-wrap:wrap; gap:0.8rem; margin-top:2rem; }
.tag {
    display:flex; align-items:center; gap:0.5rem;
    background:rgba(129,140,248,0.08);
    border:1px solid rgba(129,140,248,0.15);
    padding:0.5rem 1rem; border-radius:100px;
    font-size:0.85rem; color:var(--primary);
}

/* Timeline */
.timeline { position:relative; padding-left:3rem; }
.timeline::before {
    content:''; position:absolute; left:20px; top:0; bottom:0;
    width:2px;
    background: linear-gradient(to bottom, var(--primary), transparent);
}
.timeline-item {
    position:relative; margin-bottom:3rem;
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:20px; padding:2rem;
    transition: var(--transition);
}
.timeline-item:hover { border-color:var(--primary); transform:translateX(5px); }
.timeline-dot {
    position:absolute; left:-3rem; top:50%;
    transform:translateY(-50%);
    width:40px; height:40px; border-radius:50%;
    background: linear-gradient(135deg,var(--primary),var(--secondary));
    display:flex; align-items:center; justify-content:center;
    font-size:1rem; color:#fff; z-index:2;
}
.timeline-year {
    font-size:0.8rem; font-weight:700; letter-spacing:0.1em;
    color:var(--primary); margin-bottom:0.5rem;
}
.timeline-content h3 { font-size:1.2rem; font-weight:700; margin-bottom:0.3rem; }
.timeline-org { color:#9ca3af; font-size:0.9rem; margin-bottom:0.8rem; }
.timeline-content p { color:#9ca3af; line-height:1.7; font-size:0.95rem; }
.timeline-tags { display:flex; flex-wrap:wrap; gap:0.5rem; margin-top:1rem; }
.timeline-tags span {
    background:rgba(129,140,248,0.1); border:1px solid rgba(129,140,248,0.2);
    padding:0.3rem 0.8rem; border-radius:100px; font-size:0.8rem; color:var(--primary);
}
.result-badge {
    display:inline-block;
    background: linear-gradient(135deg,var(--primary),var(--secondary));
    color:#fff; padding:0.4rem 1rem; border-radius:100px;
    font-size:0.85rem; font-weight:700; margin-top:0.8rem;
}

/* Awards Grid */
.awards-grid {
    display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:2rem;
}
.award-card {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:24px; padding:2.5rem;
    text-align:center; position:relative; overflow:hidden;
    transition: var(--transition);
}
.award-card:hover { border-color:var(--primary); transform:translateY(-8px); }
.award-icon {
    width:70px; height:70px; border-radius:50%;
    background: linear-gradient(135deg,var(--primary),var(--secondary));
    display:flex; align-items:center; justify-content:center;
    font-size:1.5rem; color:#fff; margin:0 auto 1.5rem;
}
.award-card h3 { font-size:1.2rem; font-weight:700; margin-bottom:0.8rem; }
.award-card p { color:#9ca3af; font-size:0.9rem; line-height:1.7; }
.award-year {
    margin-top:1rem; font-size:0.8rem;
    color:var(--primary); font-weight:600;
}

/* Extra Grid */
.extra-grid {
    display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:2rem;
}
.extra-card {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:20px; padding:2rem;
    transition: var(--transition);
}
.extra-card:hover { border-color:var(--primary); transform:translateY(-5px); }
.extra-card i { font-size:2rem; color:var(--primary); margin-bottom:1rem; display:block; }
.extra-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:0.6rem; }
.extra-card p { color:#9ca3af; font-size:0.9rem; line-height:1.7; }

/* =============================================
   EXPERIENCE PAGE
   ============================================= */
.exp-timeline { display:flex; flex-direction:column; gap:2.5rem; }
.exp-item { display:grid; grid-template-columns:60px 1fr; gap:2rem; }
.exp-connector { display:flex; flex-direction:column; align-items:center; }
.exp-dot {
    width:50px; height:50px; border-radius:50%; flex-shrink:0;
    background: linear-gradient(135deg,var(--primary),var(--secondary));
    display:flex; align-items:center; justify-content:center;
    font-size:1.1rem; color:#fff;
}
.exp-line { flex:1; width:2px; background:rgba(129,140,248,0.2); margin-top:8px; }
.exp-card {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:24px; padding:2.5rem;
    transition: var(--transition); flex:1;
}
.exp-card:hover { border-color:var(--primary); transform:translateX(5px); }
.exp-header { display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:1rem; margin-bottom:1.2rem; }
.exp-header h3 { font-size:1.3rem; font-weight:700; margin-bottom:0.3rem; }
.exp-org { color:var(--primary); font-size:0.9rem; font-weight:600; }
.exp-date { text-align:right; }
.exp-date span { font-size:0.85rem; color:#9ca3af; display:block; margin-bottom:0.4rem; }
.active-badge {
    display:inline-block; background:rgba(45,212,191,0.15);
    border:1px solid rgba(45,212,191,0.4); color:#2dd4bf;
    padding:0.2rem 0.8rem; border-radius:100px; font-size:0.75rem; font-weight:700;
}
.exp-desc { color:#9ca3af; line-height:1.8; margin-bottom:1.5rem; font-size:0.95rem; }
.exp-duties { display:flex; flex-direction:column; gap:0.6rem; margin-bottom:1.5rem; }
.duty-item { display:flex; align-items:center; gap:0.8rem; font-size:0.9rem; color:#9ca3af; }
.duty-item i { color:var(--accent); font-size:0.8rem; }
.exp-skills-used { display:flex; flex-wrap:wrap; gap:0.5rem; }
.exp-skills-used span {
    background:rgba(129,140,248,0.1); border:1px solid rgba(129,140,248,0.2);
    padding:0.3rem 0.8rem; border-radius:100px; font-size:0.8rem; color:var(--primary);
}

/* Certifications */
.certs-grid {
    display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:1.5rem;
}
.cert-card {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:20px; padding:2rem; text-align:center;
    transition: var(--transition);
}
.cert-card:hover { border-color:var(--primary); transform:translateY(-5px); }
.cert-icon { font-size:2rem; color:var(--primary); margin-bottom:1rem; }
.cert-card h3 { font-size:1rem; font-weight:700; margin-bottom:0.5rem; }
.cert-card p { color:#9ca3af; font-size:0.85rem; line-height:1.6; }

/* =============================================
   RESEARCH PAGE
   ============================================= */
.r-stats-grid {
    display:grid; grid-template-columns:repeat(4,1fr);
    gap:1.5rem; margin-bottom:5rem;
}
.r-stat {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:20px; padding:2rem; text-align:center;
}
.r-stat-icon { font-size:2rem; color:var(--primary); margin-bottom:0.8rem; }
.r-stat-number { font-size:2.5rem; font-weight:900; line-height:1; margin-bottom:0.4rem; }
.r-stat-label { color:#9ca3af; font-size:0.85rem; }

.pub-grid { display:flex; flex-direction:column; gap:2.5rem; }
.pub-card {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:24px; padding:3rem;
    display:flex; gap:2.5rem; align-items:flex-start;
    transition: var(--transition);
}
.pub-card:hover { border-color:var(--primary); }
.pub-number {
    font-size:4rem; font-weight:900; line-height:1;
    background: linear-gradient(135deg,var(--primary),var(--secondary));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
    flex-shrink:0;
}
.pub-content { flex:1; }
.pub-type-badge {
    display:inline-flex; align-items:center; gap:0.5rem;
    background:rgba(129,140,248,0.1); border:1px solid rgba(129,140,248,0.2);
    padding:0.4rem 1rem; border-radius:100px;
    font-size:0.8rem; color:var(--primary); font-weight:600;
    margin-bottom:1rem;
}
.pub-content h3 { font-size:1.2rem; font-weight:700; margin-bottom:0.5rem; line-height:1.5; }
.pub-journal { color:var(--primary); font-size:0.85rem; font-weight:600; margin-bottom:1rem; }
.pub-desc { color:#9ca3af; line-height:1.8; font-size:0.95rem; margin-bottom:1.5rem; }
.pub-highlights { display:flex; flex-direction:column; gap:0.5rem; margin-bottom:1.5rem; }
.pub-highlight { display:flex; align-items:center; gap:0.8rem; font-size:0.9rem; color:#9ca3af; }
.pub-highlight i { color:var(--accent); }
.pub-tech { display:flex; flex-wrap:wrap; gap:0.5rem; }
.pub-tech span {
    background:rgba(45,212,191,0.08); border:1px solid rgba(45,212,191,0.2);
    padding:0.3rem 0.8rem; border-radius:100px; font-size:0.8rem; color:var(--accent);
}

.interests-grid {
    display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:1.5rem;
}
.interest-card {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:20px; padding:2rem; text-align:center;
    transition: var(--transition);
}
.interest-card:hover { border-color:var(--primary); transform:translateY(-5px); }
.interest-icon { font-size:2rem; color:var(--primary); margin-bottom:1rem; }
.interest-card h3 { font-size:1rem; font-weight:700; margin-bottom:0.5rem; }
.interest-card p { color:#9ca3af; font-size:0.85rem; line-height:1.6; }

/* =============================================
   SKILLS PAGE
   ============================================= */
.skills-grid-2col {
    display:grid; grid-template-columns:1fr 1fr;
    gap:2.5rem;
}
.skill-category {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:24px; padding:2.5rem;
}
.skill-cat-header { display:flex; align-items:center; gap:1rem; margin-bottom:2rem; }
.skill-cat-icon {
    width:45px; height:45px; border-radius:12px;
    background: linear-gradient(135deg,var(--primary),var(--secondary));
    display:flex; align-items:center; justify-content:center;
    font-size:1.1rem; color:#fff;
}
.skill-cat-header h3 { font-size:1.1rem; font-weight:700; }
.skill-bars { display:flex; flex-direction:column; gap:1.2rem; }
.skill-bar-item {}
.skill-info { display:flex; justify-content:space-between; margin-bottom:0.5rem; font-size:0.9rem; }
.skill-pct { color:var(--primary); font-weight:700; }
.skill-track {
    height:6px; border-radius:100px;
    background:rgba(255,255,255,0.06);
    overflow:hidden;
}
.skill-fill {
    height:100%; border-radius:100px; width:0%;
    background: linear-gradient(90deg,var(--primary),var(--secondary));
    transition: width 1.5s cubic-bezier(0.23,1,0.32,1);
}

/* Tags Cloud */
.tags-cloud { display:flex; flex-wrap:wrap; gap:1rem; justify-content:center; }
.cloud-tag {
    background:var(--glass); border:1px solid var(--glass-border);
    padding:0.6rem 1.4rem; border-radius:100px;
    font-size:0.9rem; color:#9ca3af;
    transition: var(--transition); cursor:default;
}
.cloud-tag:hover { border-color:var(--primary); color:var(--primary); transform:scale(1.05); }
.cloud-tag.medium { font-size:1rem; padding:0.7rem 1.6rem; }
.cloud-tag.large { font-size:1.1rem; padding:0.8rem 1.8rem; color:#fff; }

/* Languages */
.lang-grid {
    display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:1.5rem;
}
.lang-card {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:20px; padding:2rem; text-align:center;
    transition: var(--transition);
}
.lang-card:hover { border-color:var(--primary); transform:translateY(-5px); }
.lang-flag { font-size:3rem; margin-bottom:1rem; }
.lang-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:0.3rem; }
.lang-card p { color:#9ca3af; font-size:0.85rem; margin-bottom:1rem; }
.lang-level {
    height:4px; border-radius:100px;
    background:rgba(255,255,255,0.06); overflow:hidden; margin-bottom:0.5rem;
}
.lang-bar {
    height:100%; border-radius:100px;
    background: linear-gradient(90deg,var(--primary),var(--secondary));
}
.lang-label { font-size:0.8rem; color:var(--primary); font-weight:600; }

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-grid {
    display:grid; grid-template-columns:1fr 1.2fr;
    gap:4rem; align-items:start;
}
.contact-info h2 { font-size:2.5rem; font-weight:800; margin-bottom:1rem; line-height:1.2; }
.contact-info > p { color:#9ca3af; line-height:1.8; margin-bottom:2rem; }
.contact-details { display:flex; flex-direction:column; gap:1rem; margin-bottom:2rem; }
.contact-detail-item {
    display:flex; align-items:center; gap:1.2rem;
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:16px; padding:1.2rem 1.5rem;
    text-decoration:none; color:inherit;
    transition: var(--transition);
}
.contact-detail-item:hover { border-color:var(--primary); transform:translateX(5px); }
.cd-icon {
    width:42px; height:42px; border-radius:12px; flex-shrink:0;
    background: linear-gradient(135deg,var(--primary),var(--secondary));
    display:flex; align-items:center; justify-content:center;
    font-size:1rem; color:#fff;
}
.cd-text { flex:1; }
.cd-label { display:block; font-size:0.75rem; color:#9ca3af; margin-bottom:0.2rem; }
.cd-value { display:block; font-size:0.9rem; font-weight:600; }
.cd-arrow { color:#9ca3af; font-size:0.8rem; }
.contact-availability {
    display:flex; align-items:center; gap:0.8rem;
    background:rgba(45,212,191,0.06); border:1px solid rgba(45,212,191,0.2);
    border-radius:12px; padding:1rem 1.5rem;
    font-size:0.9rem; color:#2dd4bf;
}
.avail-dot {
    width:10px; height:10px; border-radius:50%; flex-shrink:0;
    background:#2dd4bf;
    box-shadow: 0 0 0 3px rgba(45,212,191,0.2);
    animation: ping 2s ease-in-out infinite;
}
@keyframes ping {
    0%,100%{box-shadow:0 0 0 3px rgba(45,212,191,0.2);}
    50%{box-shadow:0 0 0 8px rgba(45,212,191,0.05);}
}

/* Contact Form */
.contact-form-wrap {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:24px; padding:3rem;
}
.form-group { margin-bottom:1.5rem; }
.form-group label { display:block; font-size:0.85rem; font-weight:600; margin-bottom:0.6rem; color:#9ca3af; }
.form-input-wrap { position:relative; }
.form-input-wrap i {
    position:absolute; left:1.2rem; top:50%; transform:translateY(-50%);
    color:#9ca3af; font-size:0.9rem; pointer-events:none;
}
.textarea-wrap i { top:1.2rem; transform:none; }
.form-input-wrap input,
.form-input-wrap textarea {
    width:100%; padding:1rem 1.2rem 1rem 3rem;
    background:rgba(255,255,255,0.04); border:1px solid var(--glass-border);
    border-radius:12px; color:#fff; font-family:inherit; font-size:0.95rem;
    transition: var(--transition); outline:none; resize:none;
}
.form-input-wrap input:focus,
.form-input-wrap textarea:focus {
    border-color:var(--primary);
    background:rgba(129,140,248,0.05);
}
.btn-full { width:100%; justify-content:center; }
.form-success {
    display:none; text-align:center; padding:3rem 1rem;
}
.form-success .success-icon { font-size:4rem; color:var(--accent); margin-bottom:1rem; }
.form-success h3 { font-size:1.5rem; font-weight:700; margin-bottom:0.5rem; }
.form-success p { color:#9ca3af; }

/* Location Card */
.location-card {
    background:var(--glass); border:1px solid var(--glass-border);
    border-radius:24px; padding:3rem;
    display:flex; align-items:center; gap:2rem; flex-wrap:wrap;
}
.location-pin { font-size:3rem; color:var(--secondary); }
.location-text { flex:1; }
.location-text h3 { font-size:1.5rem; font-weight:700; margin-bottom:0.5rem; }
.location-text p { color:#9ca3af; font-size:0.9rem; }
.location-coords { color:#9ca3af; font-size:0.85rem; font-family:monospace; }

/* =============================================
   RESPONSIVE
   ============================================= */
/* Contact Centered Layout */
.contact-center-wrap {
    max-width: 800px;
    margin: 0 auto;
}
.contact-details-centered {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .r-stats-grid { grid-template-columns:repeat(2,1fr); }
    .skills-grid-2col { grid-template-columns:1fr; }
    .pub-card { flex-direction:column; gap:1.5rem; padding: 2rem; }
    .pub-number { font-size: 2.5rem; }
    .about-grid { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
    .contact-grid, .contact-details-centered { grid-template-columns: 1fr; }
    .r-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .page-header { min-height: 25vh; padding: 7rem 5% 3rem; }
    .page-title { font-size: 2.5rem; }
    .exp-item { grid-template-columns: 40px 1fr; gap: 1rem; }
    .exp-dot { width: 40px; height: 40px; font-size: 0.9rem; }
    .r-stat { padding: 1.5rem; }
    .r-stat-number { font-size: 2rem; }
    .skill-category { padding: 1.5rem; }
}

@media (max-width: 480px) {
    .r-stats-grid { grid-template-columns: 1fr; }
    .timeline { padding-left: 2rem; }
    .timeline::before { left: 10px; }
    .timeline-dot { left: -2.3rem; width: 30px; height: 30px; font-size: 0.8rem; }
    .timeline-item { padding: 1.5rem; }
}