/* ============================================
   RESUME PORTFOLIO — Bharani V C
   Premium Dark Theme
   ============================================ */
:root {
    --bg-primary: #0a192f;
    --bg-secondary: #112240;
    --bg-card: #1a2f4a;
    --bg-card-hover: #1f3a5c;
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --accent-dim: rgba(56, 189, 248, 0.1);
    --accent-glow: rgba(56, 189, 248, 0.15);
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --text-heading: #e6f1ff;
    --border: #233554;
    --gradient-accent: linear-gradient(135deg, #38bdf8, #06b6d4);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.08);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.3s ease;
    --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1200px;
    --nav-height: 70px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }
body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
ul { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-alt { background-color: var(--bg-secondary); }
.section-title {
    font-size: 2rem; color: var(--text-heading);
    text-align: center; margin-bottom: 12px;
}
.section-title::after {
    content: ''; display: block; width: 60px; height: 3px;
    background: var(--gradient-accent); margin: 16px auto 0; border-radius: 2px;
}
.section-subtitle {
    text-align: center; color: var(--text-secondary);
    max-width: 700px; margin: 0 auto 50px; font-size: 1.05rem;
}
/* NAV */
.nav-header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-height); z-index: 1000;
    transition: background var(--transition), box-shadow var(--transition);
}
.nav-header.scrolled {
    background: rgba(10, 25, 47, 0.92);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}
.nav-container {
    max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { font-size: 1.6rem; font-weight: 700; color: var(--text-heading); }
.nav-logo .accent { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
    color: var(--text-secondary); font-size: 0.9rem;
    padding: 8px 14px; border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--accent); background: var(--accent-dim); }
.nav-cta {
    background: var(--accent-dim) !important; color: var(--accent) !important;
    border: 1px solid rgba(56, 189, 248, 0.3); font-weight: 600;
}
.nav-cta:hover { background: rgba(56, 189, 248, 0.2) !important; }
.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span {
    display: block; width: 24px; height: 2px;
    background: var(--text-primary); border-radius: 2px; transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
/* HERO */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    justify-content: center; position: relative; padding: 120px 0 80px; overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
    pointer-events: none;
}
.hero-content { text-align: center; position: relative; z-index: 1; }
.hero-greeting { color: var(--accent); font-size: 1.1rem; font-weight: 500; margin-bottom: 12px; letter-spacing: 1px; }
.hero-name { font-size: clamp(2.5rem, 6vw, 4rem); color: var(--text-heading); font-weight: 800; line-height: 1.1; margin-bottom: 16px; }
.hero-title { font-size: clamp(1.1rem, 2.5vw, 1.4rem); color: var(--text-secondary); font-weight: 400; margin-bottom: 20px; }
.hero-headline { font-size: 1.05rem; color: var(--text-secondary); max-width: 700px; margin: 0 auto 28px; }
.hero-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; margin-bottom: 36px; }
.hero-meta-item { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: 0.95rem; }
.hero-meta-item svg { color: var(--accent); flex-shrink: 0; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.scroll-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); }
.scroll-indicator span { display: block; width: 24px; height: 38px; border: 2px solid var(--border); border-radius: 12px; position: relative; }
.scroll-indicator span::after {
    content: ''; width: 4px; height: 8px; background: var(--accent); border-radius: 2px;
    position: absolute; top: 6px; left: 50%; transform: translateX(-50%); animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce { 0%,100% { opacity: 1; top: 6px; } 50% { opacity: 0.3; top: 18px; } }
/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px;
    border-radius: var(--radius); font-size: 0.95rem; font-weight: 600;
    cursor: pointer; transition: all var(--transition); border: none; text-decoration: none;
}
.btn-primary { background: var(--gradient-accent); color: #0a192f; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(56, 189, 248, 0.3); color: #0a192f; }
.btn-outline { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
.btn-outline:hover { background: var(--accent-dim); transform: translateY(-2px); color: var(--accent); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
/* SUMMARY */
.summary-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 40px; max-width: 900px;
    margin: 30px auto 0; box-shadow: var(--shadow-card);
}
.summary-card p { margin-bottom: 16px; }
.summary-card p:last-child { margin-bottom: 0; }
.summary-card strong { color: var(--accent); }
/* EXPERTISE */
.expertise-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; margin-top: 40px; }
.expertise-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 32px; transition: all var(--transition); position: relative; overflow: hidden;
}
.expertise-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-accent); opacity: 0; transition: opacity var(--transition);
}
.expertise-card:hover { border-color: rgba(56, 189, 248, 0.3); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.expertise-card:hover::before { opacity: 1; }
.expertise-icon {
    width: 56px; height: 56px; display: flex; align-items: center; justify-content: center;
    background: var(--accent-dim); border-radius: var(--radius); margin-bottom: 20px; color: var(--accent);
}
.expertise-card h3 { color: var(--text-heading); font-size: 1.15rem; margin-bottom: 14px; }
.expertise-card li { color: var(--text-secondary); font-size: 0.92rem; padding: 4px 0 4px 20px; position: relative; line-height: 1.6; }
.expertise-card li::before { content: '\25B8'; position: absolute; left: 0; color: var(--accent); }
/* SKILLS */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 40px; }
.skill-category { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; transition: border-color var(--transition); }
.skill-category:hover { border-color: rgba(56, 189, 248, 0.3); }
.skill-category h3 { color: var(--accent); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    background: var(--accent-dim); color: var(--accent); padding: 6px 14px;
    border-radius: 20px; font-size: 0.85rem; font-weight: 500;
    border: 1px solid rgba(56, 189, 248, 0.15); transition: all var(--transition);
}
.tag:hover { background: rgba(56, 189, 248, 0.2); border-color: rgba(56, 189, 248, 0.4); }
/* TIMELINE */
.timeline { position: relative; max-width: 900px; margin: 50px auto 0; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 15px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 50px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-marker {
    position: absolute; left: -33px; top: 8px; width: 14px; height: 14px;
    background: var(--accent); border-radius: 50%; border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px var(--accent-dim); z-index: 1;
}
.timeline-content { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; }
.timeline-header h3 { color: var(--text-heading); font-size: 1.25rem; margin-bottom: 4px; }
.timeline-company { color: var(--accent); font-size: 1rem; font-weight: 500; }
.timeline-parent { color: var(--text-secondary); font-weight: 400; font-size: 0.9rem; }
.timeline-meta { display: flex; flex-wrap: wrap; gap: 16px; margin: 12px 0; }
.timeline-date, .timeline-location { color: var(--text-secondary); font-size: 0.9rem; }
.timeline-client { color: var(--text-primary); font-size: 0.95rem; margin-bottom: 16px; }
.timeline-responsibilities li { color: var(--text-secondary); font-size: 0.92rem; padding: 5px 0 5px 22px; position: relative; line-height: 1.6; }
.timeline-responsibilities li::before { content: '\25B8'; position: absolute; left: 0; color: var(--accent); }
/* INITIATIVES */
.initiatives-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; margin-top: 40px; }
.initiative-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; transition: all var(--transition); }
.initiative-card:hover { border-color: rgba(56, 189, 248, 0.3); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.initiative-number {
    font-size: 2.5rem; font-weight: 800; background: var(--gradient-accent);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    opacity: 0.3; line-height: 1; margin-bottom: 12px;
}
.initiative-card h3 { color: var(--text-heading); font-size: 1.1rem; margin-bottom: 10px; }
.initiative-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; }
/* WHY */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 40px; }
.why-item { text-align: center; padding: 32px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); transition: all var(--transition); }
.why-item:hover { border-color: rgba(56, 189, 248, 0.3); transform: translateY(-3px); }
.why-number {
    font-size: 2rem; font-weight: 800; background: var(--gradient-accent);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 12px;
}
.why-item h3 { color: var(--text-heading); font-size: 1.05rem; margin-bottom: 8px; }
.why-item p { color: var(--text-secondary); font-size: 0.92rem; }
/* EDUCATION */
.education-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 40px; max-width: 900px; margin-left: auto; margin-right: auto; }
.education-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: all var(--transition); }
.education-card:hover { border-color: rgba(56, 189, 248, 0.3); }
.education-degree { color: var(--text-heading); font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.education-field { color: var(--accent); font-size: 0.95rem; margin-bottom: 8px; }
.education-school { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 12px; }
.education-meta { display: flex; justify-content: space-between; color: var(--text-secondary); font-size: 0.88rem; border-top: 1px solid var(--border); padding-top: 12px; }
.education-score { color: var(--accent); font-weight: 600; }
/* MANAGEMENT */
.management-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 40px; max-width: 900px; margin-left: auto; margin-right: auto; }
.management-card { text-align: center; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 28px; transition: all var(--transition); color: var(--accent); }
.management-card:hover { border-color: rgba(56, 189, 248, 0.3); transform: translateY(-3px); }
.management-card svg { margin: 0 auto 16px; }
.management-card h3 { color: var(--text-heading); font-size: 1.1rem; margin-bottom: 8px; }
.management-card p { color: var(--text-secondary); font-size: 0.92rem; }
/* CONTACT */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 40px; max-width: 900px; margin-left: auto; margin-right: auto; }
.contact-card { display: flex; flex-direction: column; align-items: center; text-align: center; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 20px; transition: all var(--transition); color: var(--text-primary); }
a.contact-card:hover { border-color: rgba(56, 189, 248, 0.3); transform: translateY(-3px); color: var(--text-primary); }
.contact-card svg { color: var(--accent); margin-bottom: 12px; }
.contact-card h3 { color: var(--text-heading); font-size: 0.95rem; margin-bottom: 6px; }
.contact-card p { color: var(--text-secondary); font-size: 0.9rem; }
.contact-cta { text-align: center; margin-top: 50px; }
/* FOOTER */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 40px 0; text-align: center; }
.footer p { color: var(--text-secondary); font-size: 0.9rem; }
.footer-sub { margin-top: 8px; font-size: 0.82rem; color: var(--border); }
/* ANIMATIONS */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
/* 404 */
.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; flex-direction: column; }
.error-page h1 { font-size: 6rem; background: var(--gradient-accent); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.error-page p { color: var(--text-secondary); margin: 16px 0 32px; }
/* RESPONSIVE */
@media (max-width: 768px) {
    .section { padding: 70px 0; }
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed; top: var(--nav-height); left: 0; right: 0;
        background: rgba(10, 25, 47, 0.97); backdrop-filter: blur(12px);
        flex-direction: column; padding: 20px; gap: 4px;
        transform: translateY(-120%); transition: transform 0.3s ease;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { transform: translateY(0); }
    .nav-links a { width: 100%; text-align: center; padding: 12px; }
    .hero { padding: 100px 0 60px; min-height: auto; }
    .hero-name { font-size: 2.2rem; }
    .hero-meta { flex-direction: column; gap: 12px; }
    .expertise-grid, .initiatives-grid { grid-template-columns: 1fr; }
    .timeline { padding-left: 30px; }
    .timeline::before { left: 10px; }
    .timeline-marker { left: -28px; }
    .timeline-content { padding: 24px; }
    .summary-card { padding: 24px; }
}
@media (max-width: 480px) {
    .hero-name { font-size: 1.8rem; }
    .section-title { font-size: 1.6rem; }
    .btn { padding: 12px 20px; font-size: 0.9rem; }
    .skills-grid { grid-template-columns: 1fr; }
    .education-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}
/* PRINT */
@media print {
    .nav-header, .scroll-indicator, .hero-bg, .footer { display: none; }
    body { background: #fff; color: #222; font-size: 11pt; }
    .section { padding: 20px 0; }
    .section-alt { background: #fff; }
    .hero { min-height: auto; padding: 20px 0; }
    .hero-name { color: #111; }
    a { color: #111; }
}

/* === Hero Photo === */
.hero-photo-wrapper {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}
.hero-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
    transition: transform var(--transition), box-shadow var(--transition);
}
.hero-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(56, 189, 248, 0.35);
}

/* === Website QR Section === */
.contact-qr {
    text-align: center;
    margin-top: 50px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.contact-qr-grid {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}
.contact-qr-item {
    text-align: center;
}
.contact-qr-item img {
    width: 140px;
    height: 140px;
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 6px;
    background: #fff;
    object-fit: contain;
}
.contact-qr-item p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 8px;
    word-break: break-all;
}

/* === Resume Photo === */
.r-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    float: right;
    margin: 0 0 10px 16px;
    border: 3px solid #0a192f;
}

/* === Resume QR Section === */
.r-qr-section {
    text-align: center;
    border-top: 2px solid #38bdf8;
    padding-top: 16px;
    margin-top: 16px;
    overflow: hidden;
}
.r-qr-grid {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: nowrap;
}
.r-qr-item {
    text-align: center;
    flex-shrink: 0;
}
.r-qr-item img {
    width: 130px;
    height: 130px;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 5px;
    background: #fff;
    object-fit: contain;
}
.r-qr-item p {
    font-size: 0.75rem;
    color: #555;
    margin-top: 6px;
    word-break: break-all;
    line-height: 1.3;
}

/* === Print Overrides === */
@media print {
    body { background: #fff; }
    .print-bar { display: none; }
    .resume-page {
        margin: 0;
        padding: 15px 20px;
        box-shadow: none;
        max-width: 100%;
    }
    .r-section { page-break-inside: avoid; }
    .r-job { page-break-inside: avoid; }
    .r-photo {
        width: 65px;
        height: 65px;
        border-width: 2px;
    }
    .r-qr-section {
        page-break-inside: avoid;
        padding-top: 10px;
        margin-top: 10px;
    }
    .r-qr-grid {
        gap: 30px;
        flex-wrap: nowrap;
    }
    .r-qr-item img {
        width: 110px;
        height: 110px;
    }
    .r-qr-item p {
        font-size: 0.65rem;
    }
    @page {
        margin: 10mm;
        size: A4;
    }
}

/* === Mobile Responsive === */
@media (max-width: 768px) {
    .hero-photo {
        width: 120px;
        height: 120px;
    }
    .r-photo {
        width: 65px;
        height: 65px;
        float: none;
        display: block;
        margin: 0 auto 12px;
    }
    .contact-qr-item img {
        width: 120px;
        height: 120px;
    }
    .r-qr-grid {
        gap: 24px;
    }
    .r-qr-item img {
        width: 110px;
        height: 110px;
    }
}

@media (max-width: 480px) {
    .hero-photo {
        width: 100px;
        height: 100px;
    }
    .contact-qr-grid {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    .r-qr-grid {
        flex-direction: row;
        gap: 16px;
    }
    .r-qr-item img {
        width: 100px;
        height: 100px;
    }
}