/* =========================================
   VIJAYCHANDAR — OCEAN MODERN REDESIGN
   Inspired by: navy shirt · ocean blue · bright sky
   ========================================= */

/* === VARIABLES === */
:root {
    --navy:         #0B1E3D;
    --navy-mid:     #153A6B;
    --ocean:        #1E73BE;
    --ocean-light:  #3A9BD4;
    --sky:          #7EC8E3;
    --bg:           #FFFFFF;
    --bg-alt:       #F4F8FF;
    --surface:      #FFFFFF;
    --text:         #0B1E3D;
    --text-muted:   #4A6585;
    --text-dim:     #8BA4BE;
    --accent:       #1E73BE;
    --accent-hover: #155FA0;
    --accent-dim:   rgba(30, 115, 190, 0.08);
    --accent-glow:  rgba(30, 115, 190, 0.18);
    --border:       rgba(30, 115, 190, 0.12);
    --radius:       16px;
    --radius-sm:    10px;
    --shadow:       0 4px 24px rgba(11, 30, 61, 0.10);
    --shadow-lg:    0 12px 48px rgba(11, 30, 61, 0.14);
    --shadow-blue:  0 8px 32px rgba(30, 115, 190, 0.20);
    --transition:   0.25s ease;
    --max-w:        1100px;
    --nav-h:        70px;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { line-height: 1.2; font-weight: 700; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* === PRELOADER === */
.preloader {
    position: fixed; inset: 0;
    background: var(--navy);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    transition: opacity 0.7s ease, visibility 0.7s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-inner { display: flex; gap: 8px; }
.preloader-inner span {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--sky);
    animation: loader-bounce 1.2s ease-in-out infinite;
}
.preloader-inner span:nth-child(2) { animation-delay: 0.2s; background: var(--ocean-light); }
.preloader-inner span:nth-child(3) { animation-delay: 0.4s; background: var(--ocean); }
@keyframes loader-bounce {
    0%, 80%, 100% { transform: scale(0.5); opacity: 0.3; }
    40%            { transform: scale(1);   opacity: 1; }
}

/* === CONTAINER === */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }

/* === NAVBAR === */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-h);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 2px 20px rgba(11, 30, 61, 0.08);
}
.nav-container {
    max-width: var(--max-w); margin: 0 auto; padding: 0 28px;
    height: 100%; display: flex; align-items: center;
    justify-content: space-between; gap: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-mark { height: 36px; width: auto; }
.nav-logo-text {
    font-size: 0.92rem; font-weight: 700;
    letter-spacing: 0.04em; color: var(--navy);
}
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
    font-size: 0.875rem; font-weight: 500;
    color: var(--text-muted); padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: var(--accent); background: var(--accent-dim);
}
.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
    border-radius: 8px; transition: background var(--transition);
}
.nav-toggle:hover { background: var(--accent-dim); }
.nav-toggle span {
    display: block; width: 22px; height: 2px;
    background: var(--navy); border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === HERO — full ocean gradient === */
.hero {
    min-height: 100vh;
    display: flex; flex-direction: column; justify-content: center;
    padding-top: var(--nav-h);
    position: relative; overflow: hidden;
    background:
        linear-gradient(135deg,
            #0B1E3D 0%,
            #12336B 28%,
            #1A5EA0 55%,
            #2685C8 78%,
            #3AAEE0 100%);
}

/* Floating bokeh blobs */
.hero::before {
    content: '';
    position: absolute; width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(122, 200, 230, 0.18) 0%, transparent 70%);
    top: -100px; right: -100px; pointer-events: none;
    animation: blob-drift 12s ease-in-out infinite alternate;
}
.hero::after {
    content: '';
    position: absolute; width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 115, 190, 0.25) 0%, transparent 70%);
    bottom: -80px; left: 10%; pointer-events: none;
    animation: blob-drift 10s ease-in-out infinite alternate-reverse;
}
@keyframes blob-drift {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(30px, -20px) scale(1.1); }
}

.hero-container {
    max-width: var(--max-w); margin: 0 auto;
    padding: 48px 28px 100px;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 72px; align-items: center;
    width: 100%; position: relative; z-index: 1;
}

/* === PORTRAIT — modern rectangle card === */
.hero-image { display: flex; justify-content: center; }
.hero-portrait {
    position: relative;
    width: 360px; max-width: 100%;
}

/* Glowing backdrop card */
.hero-portrait::before {
    content: '';
    position: absolute;
    inset: -12px -8px;
    border-radius: 28px;
    background: linear-gradient(145deg,
        rgba(255,255,255,0.15) 0%,
        rgba(255,255,255,0.05) 100%);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.20);
    z-index: 0;
}

.hero-portrait img {
    width: 100%;
    aspect-ratio: 3/4;
    border-radius: 20px;
    object-fit: cover;
    object-position: center top;
    position: relative; z-index: 1;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.40),
                0 0 0 1px rgba(255,255,255,0.12);
    animation: float 7s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-10px); }
}

/* === HERO TEXT === */
.hero-greeting {
    font-size: 0.82rem; font-weight: 600;
    color: rgba(255,255,255,0.65);
    letter-spacing: 0.18em; text-transform: uppercase;
    margin-bottom: 14px;
    display: flex; align-items: center; gap: 10px;
}
.hero-greeting::before {
    content: '';
    display: block; width: 28px; height: 1.5px;
    background: rgba(255,255,255,0.5);
}

.hero-name {
    font-size: clamp(2.8rem, 5.5vw, 4.2rem);
    font-weight: 800; letter-spacing: -0.03em; line-height: 1.05;
    color: #FFFFFF;
    margin-bottom: 20px;
    text-shadow: 0 2px 24px rgba(0,0,0,0.2);
}

.hero-domain {
    font-size: 0.82rem; color: rgba(255,255,255,0.45);
    letter-spacing: 0.08em; margin-bottom: 28px;
}

.hero-roles {
    display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px;
}
.role-tag {
    display: inline-block;
    font-size: 0.78rem; font-weight: 500;
    color: rgba(255,255,255,0.90);
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.22);
    padding: 6px 14px; border-radius: 100px;
    backdrop-filter: blur(8px);
    white-space: nowrap;
}

/* === BUTTONS === */
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }

.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: #FFFFFF;
    color: var(--navy);
    font-weight: 700; font-size: 0.88rem; letter-spacing: 0.01em;
    padding: 13px 26px; border-radius: var(--radius-sm);
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(0,0,0,0.3);
    background: #F0F7FF;
}

.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.12);
    color: #FFFFFF;
    font-weight: 600; font-size: 0.88rem; letter-spacing: 0.01em;
    padding: 13px 26px; border-radius: var(--radius-sm);
    border: 1.5px solid rgba(255,255,255,0.30);
    backdrop-filter: blur(8px);
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.55);
    transform: translateY(-2px);
}

/* Social icons */
.hero-socials { display: flex; gap: 10px; }
.hero-socials a {
    display: flex; align-items: center; justify-content: center;
    width: 42px; height: 42px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.20);
    color: rgba(255,255,255,0.75); font-size: 0.9rem;
    backdrop-filter: blur(8px);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}
.hero-socials a:hover {
    background: rgba(255,255,255,0.22);
    color: #FFFFFF; transform: translateY(-2px);
}

/* Scroll hint */
.hero-scroll {
    position: absolute; bottom: 32px; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.45);
    font-size: 0.68rem; font-weight: 600;
    letter-spacing: 0.16em; text-transform: uppercase;
    z-index: 1;
    animation: fadeInUp 1s ease 1.5s both;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(12px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.scroll-line {
    width: 1.5px; height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scroll-pulse 2.5s ease-in-out infinite;
}
@keyframes scroll-pulse { 0%,100%{opacity:0.3;} 50%{opacity:0.8;} }

/* === SECTIONS === */
.section { padding: 108px 0; }
.alt-bg { background: var(--bg-alt); }

.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
    display: inline-block;
    font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 12px;
}
.section-title {
    font-size: clamp(1.9rem, 3.5vw, 2.6rem);
    font-weight: 800; letter-spacing: -0.025em;
    color: var(--navy);
}
.section-header::after {
    content: '';
    display: block; width: 40px; height: 3px;
    background: linear-gradient(90deg, var(--ocean), var(--sky));
    margin: 18px auto 0; border-radius: 2px;
}

/* === FADE IN === */
.fade-in {
    opacity: 0; transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* === ABOUT === */
.about-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.about-description {
    font-size: 1.08rem; color: var(--text-muted);
    line-height: 1.9; margin-bottom: 56px;
}
.skills-grid { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.skill-item {
    display: flex; flex-direction: column; align-items: center;
    gap: 10px; padding: 22px 18px;
    border-radius: var(--radius);
    border: 1.5px solid var(--border);
    background: var(--surface);
    min-width: 106px; cursor: default;
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.skill-item:hover {
    box-shadow: var(--shadow-blue);
    transform: translateY(-6px);
    border-color: rgba(30, 115, 190, 0.35);
}
.skill-item img { height: 44px; width: auto; max-width: 70px; object-fit: contain; }
.skill-item span { font-size: 0.76rem; font-weight: 600; color: var(--text-muted); white-space: nowrap; }

/* === CERTIFICATIONS === */
.cert-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px; max-width: 1000px; margin: 0 auto;
}
.cert-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    display: flex; align-items: flex-start; gap: 24px;
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.cert-card:hover {
    box-shadow: var(--shadow-blue);
    transform: translateY(-6px);
    border-color: rgba(30, 115, 190, 0.35);
}
.cert-image { flex-shrink: 0; width: 72px; display: flex; align-items: center; justify-content: center; }
.cert-image img { width: 100%; height: auto; object-fit: contain; }
.cert-image.cert-icon {
    width: 64px; height: 64px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--ocean) 0%, var(--navy-mid) 100%);
    font-size: 1.8rem; color: #fff;
    flex-shrink: 0;
}
.cert-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; line-height: 1.4; color: var(--navy); }
.cert-badge {
    display: inline-block; font-size: 0.72rem; font-weight: 700;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid rgba(30, 115, 190, 0.2);
    padding: 3px 10px; border-radius: 100px;
    margin-bottom: 10px; letter-spacing: 0.04em;
}
.cert-info p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }

/* === TESTIMONIALS === */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 960px;
    margin: 0 auto 40px;
}
.testimonial-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 36px 32px;
    display: flex; flex-direction: column; gap: 22px;
    position: relative; overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.testimonial-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ocean), var(--sky));
}
.testimonial-card:hover {
    box-shadow: var(--shadow-blue);
    transform: translateY(-6px);
    border-color: rgba(30, 115, 190, 0.35);
}
.testimonial-quote {
    font-size: 1.5rem;
    color: var(--ocean);
    opacity: 0.4;
    line-height: 1;
}
.testimonial-text {
    font-size: 0.975rem; color: var(--text-muted);
    line-height: 1.85; flex: 1;
    font-style: italic;
}
.testimonial-author {
    display: flex; align-items: center; gap: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}
.testimonial-avatar {
    width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
    background: linear-gradient(135deg, var(--ocean) 0%, var(--navy-mid) 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.78rem; font-weight: 700; color: #fff;
    letter-spacing: 0.04em;
}
.testimonial-meta { display: flex; flex-direction: column; gap: 3px; }
.testimonial-name {
    font-size: 0.9rem; font-weight: 700; color: var(--navy);
}
.testimonial-relation {
    font-size: 0.75rem; color: var(--text-dim);
    letter-spacing: 0.04em;
}
.testimonial-source {
    text-align: center;
    margin-top: 8px;
}
.testimonial-source a {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.85rem; font-weight: 600;
    color: var(--accent);
    border: 1.5px solid rgba(30, 115, 190, 0.22);
    background: var(--accent-dim);
    padding: 10px 22px; border-radius: 100px;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.testimonial-source a:hover {
    background: rgba(30, 115, 190, 0.14);
    border-color: rgba(30, 115, 190, 0.45);
    transform: translateY(-2px);
}

/* === CONTACT === */
.contact-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px; max-width: 680px; margin: 0 auto;
}
.contact-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 24px; text-align: center;
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.contact-card:hover {
    box-shadow: var(--shadow-blue);
    transform: translateY(-6px);
    border-color: rgba(30, 115, 190, 0.35);
}
.contact-icon {
    width: 54px; height: 54px; border-radius: 14px;
    background: linear-gradient(135deg, var(--ocean) 0%, var(--navy-mid) 100%);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px; font-size: 1.2rem; color: #fff;
    transition: transform var(--transition), box-shadow var(--transition);
}
.contact-card:hover .contact-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(30, 115, 190, 0.35);
}
.contact-card h3 {
    font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--text-dim); margin-bottom: 10px;
}
.contact-card p { font-size: 0.95rem; color: var(--text); font-weight: 500; line-height: 1.5; }
.contact-card a { color: var(--accent); transition: opacity var(--transition); }
.contact-card a:hover { opacity: 0.75; }

/* === FOOTER === */
.footer {
    background: var(--navy);
    padding: 52px 0 36px;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo img { height: 34px; width: auto; filter: brightness(0) invert(1) opacity(0.8); }
.footer-logo-text {
    font-size: 0.88rem; font-weight: 700;
    letter-spacing: 0.06em; color: rgba(255,255,255,0.85);
}
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    color: rgba(255,255,255,0.6); font-size: 0.85rem;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}
.footer-socials a:hover {
    background: var(--ocean); color: #fff; transform: translateY(-2px);
    border-color: var(--ocean);
}
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.35); letter-spacing: 0.04em; }

/* === BACK TO TOP === */
.back-to-top {
    position: fixed; bottom: 28px; right: 28px;
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--ocean), var(--navy-mid));
    color: #fff; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center; font-size: 0.85rem;
    box-shadow: var(--shadow-blue);
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: all var(--transition); z-index: 500;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(30,115,190,0.40); }

/* === HERO STATS === */
.hero-stats {
    display: flex; align-items: center; gap: 0;
    margin-bottom: 36px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(8px);
    padding: 14px 20px;
    width: fit-content;
}
.hero-stat { text-align: center; padding: 0 20px; }
.hero-stat:first-child { padding-left: 0; }
.hero-stat:last-child  { padding-right: 0; }
.stat-number {
    display: block;
    font-size: 1.5rem; font-weight: 800;
    color: #FFFFFF; line-height: 1;
    margin-bottom: 4px;
}
.stat-label {
    display: block;
    font-size: 0.68rem; font-weight: 500;
    color: rgba(255,255,255,0.55);
    text-transform: uppercase; letter-spacing: 0.1em;
    white-space: nowrap;
}
.hero-stat-divider {
    width: 1px; height: 36px;
    background: rgba(255,255,255,0.18);
    flex-shrink: 0;
}

/* === ABOUT SUPERPOWERS === */
.superpowers {
    display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
}
.superpower-item {
    display: flex; align-items: center; gap: 10px;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: 100px;
    padding: 10px 20px 10px 12px;
    font-size: 0.875rem; font-weight: 600; color: var(--navy);
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.superpower-item:hover {
    box-shadow: var(--shadow-blue);
    transform: translateY(-3px);
    border-color: rgba(30,115,190,0.35);
}
.superpower-icon {
    width: 34px; height: 34px; border-radius: 50%;
    background: linear-gradient(135deg, var(--ocean) 0%, var(--navy-mid) 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; color: #fff; flex-shrink: 0;
}

/* === EXPERIENCE TIMELINE === */
.timeline {
    max-width: 820px; margin: 0 auto;
    display: flex; flex-direction: column; gap: 14px;
}
.timeline-item { display: block; }
.timeline-content {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    border-left: 4px solid var(--ocean);
    padding: 28px 32px;
    transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.timeline-content:hover {
    box-shadow: var(--shadow-blue);
    border-color: var(--ocean);
    transform: translateX(5px);
}
.timeline-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
.timeline-id {
    display: flex; align-items: center; gap: 14px; min-width: 0;
}
.timeline-id > div { min-width: 0; }
.timeline-badge {
    flex: 0 0 46px;
    width: 46px; height: 46px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.72rem; font-weight: 700; color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.18);
    overflow: hidden;
}
.timeline-role {
    font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 3px;
}
.timeline-company {
    font-size: 0.83rem; color: var(--text-muted);
}
.timeline-period {
    font-size: 0.72rem; font-weight: 700;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid rgba(30,115,190,0.2);
    padding: 4px 12px; border-radius: 100px;
    white-space: nowrap; flex-shrink: 0; align-self: flex-start;
}
.timeline-highlights {
    margin: 0 0 16px 18px;
    display: flex; flex-direction: column; gap: 6px;
}
.timeline-highlights li {
    font-size: 0.875rem; color: var(--text-muted); line-height: 1.65;
    list-style: disc;
}
.timeline-tags {
    display: flex; flex-wrap: wrap; gap: 6px;
}
.timeline-tags span {
    font-size: 0.7rem; font-weight: 600;
    background: var(--bg-alt);
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 3px 10px; border-radius: 100px;
}

/* === SKILLS CATEGORIES === */
.skills-categories {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 28px; max-width: 1000px; margin: 0 auto;
}
.skill-category {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: box-shadow var(--transition), border-color var(--transition);
}
.skill-category:hover {
    box-shadow: var(--shadow-blue);
    border-color: rgba(30,115,190,0.35);
}
.skill-category-header {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 22px;
    padding-bottom: 16px;
    border-bottom: 1.5px solid var(--border);
}
.skill-category-icon {
    width: 38px; height: 38px; border-radius: 10px;
    background: linear-gradient(135deg, var(--ocean) 0%, var(--navy-mid) 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem; color: #fff; flex-shrink: 0;
}
.skill-category-header h3 {
    font-size: 0.92rem; font-weight: 700; color: var(--navy);
}
.skill-pills {
    display: flex; flex-wrap: wrap; gap: 8px;
}
.skill-pill {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.78rem; font-weight: 600; color: var(--text-muted);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    padding: 5px 12px; border-radius: 100px;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.skill-pill:hover {
    background: var(--accent-dim);
    border-color: rgba(30,115,190,0.3);
    color: var(--accent);
}
.skill-pill img {
    width: 16px; height: 16px; object-fit: contain;
}

/* === PROJECTS === */
.project-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px; max-width: 1060px; margin: 0 auto;
}
.project-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex; flex-direction: column; gap: 14px;
    position: relative; overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.project-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ocean), var(--sky));
}
.project-card:hover {
    box-shadow: var(--shadow-blue);
    transform: translateY(-6px);
    border-color: rgba(30,115,190,0.35);
}
.project-header {
    display: flex; justify-content: space-between; align-items: center;
}
.project-domain {
    font-size: 0.7rem; font-weight: 700;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid rgba(30,115,190,0.2);
    padding: 3px 10px; border-radius: 100px;
    text-transform: uppercase; letter-spacing: 0.06em;
}
.project-team {
    font-size: 0.72rem; font-weight: 600; color: var(--text-dim);
    display: flex; align-items: center; gap: 5px;
}
.project-name {
    font-size: 1.05rem; font-weight: 700; color: var(--navy); line-height: 1.3;
}
.project-desc {
    font-size: 0.855rem; color: var(--text-muted); line-height: 1.7; flex: 1;
}
.project-tech {
    display: flex; flex-wrap: wrap; gap: 6px;
}
.project-tech span {
    font-size: 0.68rem; font-weight: 600; color: var(--text-muted);
    background: var(--bg-alt); border: 1px solid var(--border);
    padding: 3px 9px; border-radius: 100px;
}
.project-period {
    font-size: 0.72rem; font-weight: 600; color: var(--text-dim);
    letter-spacing: 0.04em;
}

/* === EDUCATION === */
.education-block {
    margin-top: 64px;
    border-top: 1.5px solid var(--border);
    padding-top: 48px;
}
.education-title {
    font-size: 1.2rem; font-weight: 700; color: var(--navy);
    text-align: center; margin-bottom: 28px;
}
.education-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px; max-width: 820px; margin: 0 auto;
}
.edu-item {
    display: flex; gap: 16px; align-items: flex-start;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
}
.edu-icon {
    width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
    background: linear-gradient(135deg, var(--ocean) 0%, var(--navy-mid) 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.95rem; color: #fff;
}
.edu-info h4 {
    font-size: 0.92rem; font-weight: 700; color: var(--navy); margin-bottom: 5px;
}
.edu-info p {
    font-size: 0.8rem; color: var(--text-muted); line-height: 1.6;
}

/* === CONTACT LAYOUT (cards only) === */
.contact-cards-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

/* PLACEHOLDER — kept so old references don't break */
.contact-form {
    display: none;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
    display: flex; flex-direction: column; gap: 20px;
}
.form-group {
    display: flex; flex-direction: column; gap: 6px;
}
.form-group label {
    font-size: 0.78rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--text-muted);
}
.form-group input,
.form-group textarea {
    background: var(--bg-alt);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-family: inherit; font-size: 0.9rem; color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ocean);
    box-shadow: 0 0 0 3px rgba(30,115,190,0.12);
}
.btn-form {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: linear-gradient(135deg, var(--ocean), var(--navy-mid));
    color: #fff;
    font-family: inherit; font-size: 0.9rem; font-weight: 700;
    padding: 14px 28px; border: none; border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}
.btn-form:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(30,115,190,0.35);
}
.btn-form:active { transform: translateY(0); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .skills-categories { grid-template-columns: 1fr 1fr; }
    .project-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr; gap: 48px;
        text-align: center; padding-bottom: 80px;
    }
    .hero-portrait { width: 260px; margin: 0 auto; }
    .hero-portrait img { aspect-ratio: 1; }
    .hero-roles, .hero-actions, .hero-socials { justify-content: center; }
    .hero-greeting { justify-content: center; }
    .hero-stats { justify-content: center; }
    .contact-cards-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: var(--nav-h); left: 0; right: 0;
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(20px);
        flex-direction: column; align-items: stretch;
        padding: 12px 16px 20px;
        border-bottom: 1px solid var(--border);
        display: none; z-index: 999;
        box-shadow: 0 8px 32px rgba(11,30,61,0.12);
    }
    .nav-links.open { display: flex; }
    .nav-link { padding: 13px 16px; }
    .nav-toggle { display: flex; }
    .section { padding: 80px 0; }
    .cert-card { flex-direction: column; align-items: center; text-align: center; }
    .timeline-header { flex-direction: column; }
    .timeline-content { padding: 20px; }
    .timeline-id { gap: 10px; }
    .timeline-badge { width: 40px; height: 40px; }
    .skills-categories { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .container { padding: 0 18px; }
    .hero-container { padding: 32px 18px 80px; }
    .hero-name { font-size: clamp(2.4rem, 9vw, 3rem); }
    .role-tag { font-size: 0.74rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
    .hero-stats { flex-wrap: wrap; width: 100%; justify-content: center; }
    .hero-stat-divider { display: none; }
    .hero-stat { padding: 8px 12px; }
    .cert-grid, .project-grid { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .contact-cards-row { grid-template-columns: 1fr; }
}

/* === LANGUAGE SWITCHER (dropdown) === */
.lang-switcher {
    display: flex;
    align-items: center;
    margin-left: 16px;
    flex-shrink: 0;
}
.lang-select {
    appearance: none;
    -webkit-appearance: none;
    /* chevron SVG — adapts colour via two variants below */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='rgba(255,255,255,0.6)'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-color: rgba(255, 255, 255, 0.10);
    border: 1.5px solid rgba(255, 255, 255, 0.28);
    color: rgba(255, 255, 255, 0.90);
    font-family: inherit;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 4px 22px 4px 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s, color 0.2s;
    outline: none;
    min-width: 0;
    width: 58px;
}
.lang-select:hover,
.lang-select:focus {
    border-color: var(--ocean);
    background-color: rgba(30, 115, 190, 0.22);
    color: #fff;
}

/* ── Scrolled (light) navbar ─────────────────────────────── */
.navbar.scrolled .lang-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%231e73be'/%3E%3C/svg%3E");
    background-color: #fff;
    border: 1.5px solid rgba(30, 115, 190, 0.40);
    color: var(--navy);
}
.navbar.scrolled .lang-select:hover,
.navbar.scrolled .lang-select:focus {
    border-color: var(--ocean);
    background-color: rgba(30, 115, 190, 0.06);
    color: var(--ocean);
}

/* Native <option> elements */
.lang-select option {
    background: var(--navy);
    color: #fff;
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .lang-switcher {
        margin-left: 0;
        margin-top: 10px;
        justify-content: center;
        padding-bottom: 6px;
    }
    .lang-select { font-size: 0.8rem; padding: 5px 22px 5px 8px; width: 62px; }
}