/* ============================================================
   CV / Portfolio Website — Custom Styles
   LinkedIn-inspired design with modern enhancements
   ============================================================ */

/* ── CSS Variables ──────────────────────────────────────────── */
:root {
    --primary:        #0a66c2;
    --primary-dark:   #004182;
    --primary-light:  #cce4ff;
    --accent:         #0073b1;
    --success:        #057642;
    --text-dark:      #191919;
    --text-mid:       #555555;
    --text-light:     #888888;
    --bg-white:       #ffffff;
    --bg-alt:         #f3f2ef;
    --border:         #e0e0e0;
    --shadow-sm:      0 1px 4px rgba(0,0,0,.08);
    --shadow-md:      0 4px 16px rgba(0,0,0,.10);
    --shadow-lg:      0 8px 32px rgba(0,0,0,.14);
    --radius:         12px;
    --radius-sm:      8px;
    --transition:     0.3s cubic-bezier(.4,0,.2,1);
    --navbar-h:       64px;
}

/* ── Reset / Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
    line-height: 1.7;
}

/* ── Page Progress Bar ──────────────────────────────────────── */
#progressBar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 99999;
    background: transparent;
    pointer-events: none;
}
#progressFill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #0a66c2, #00b4d8);
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

/* ── Navbar ─────────────────────────────────────────────────── */
#mainNav {
    background: rgba(10, 102, 194, 0.97) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    height: var(--navbar-h);
    transition: background var(--transition), box-shadow var(--transition);
    padding: 0 0;
}
#mainNav.scrolled {
    background: rgba(0, 65, 130, 0.98) !important;
    box-shadow: 0 4px 24px rgba(0,0,0,0.20);
}
.navbar-brand {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.brand-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    background: #00b4d8;
    border-radius: 50%;
}
.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem !important;
    border-radius: 6px;
    transition: background var(--transition), color var(--transition);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: #00b4d8;
    border-radius: 1px;
    transition: transform var(--transition);
}
.nav-link:hover::after,
.nav-link.active::after { transform: translateX(-50%) scaleX(1); }
.nav-link:hover { background: rgba(255,255,255,0.10); }

/* Search */
.search-wrap {
    position: relative;
}
.search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 0.8rem;
    pointer-events: none;
}
.search-input {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 20px;
    color: #fff;
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem 0.4rem 2rem;
    width: 180px;
    transition: all var(--transition);
    outline: none;
}
.search-input::placeholder { color: rgba(255,255,255,0.55); }
.search-input:focus {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.5);
    width: 220px;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.1);
}

/* Language Select */
.lang-select {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 6px;
    color: #fff;
    font-size: 0.85rem;
    padding: 0.4rem 0.5rem;
    cursor: pointer;
    transition: background var(--transition);
    outline: none;
}
.lang-select:focus { box-shadow: 0 0 0 3px rgba(255,255,255,0.15); }
.lang-select option { background: var(--primary-dark); color: #fff; }

/* Search Results Overlay */
.search-results-overlay {
    position: fixed;
    top: var(--navbar-h);
    left: 50%;
    transform: translateX(-50%);
    width: min(600px, 92vw);
    background: #fff;
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 9000;
    max-height: 60vh;
    overflow-y: auto;
    padding: 1rem;
}
.search-result-item {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--bg-alt); }
.search-result-item h6 { margin: 0; color: var(--primary); font-size: 0.9rem; }
.search-result-item p { margin: 0; font-size: 0.8rem; color: var(--text-mid); }
.search-no-results { text-align: center; color: var(--text-light); padding: 1.5rem; }

/* ── Section Shared ─────────────────────────────────────────── */
.section-pad { padding: 90px 0 70px; }
.bg-alt { background: var(--bg-alt); }
.section-header { margin-bottom: 1rem; }
.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
}
.section-tag.light {
    background: rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.9);
}
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -.5px;
    color: var(--text-dark);
    margin: 0;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero-section {
    min-height: 100vh;
    padding-top: var(--navbar-h);
    background: linear-gradient(135deg, #004182 0%, #0a66c2 50%, #0099e5 100%);
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 80% 50%, rgba(0,180,216,0.15) 0%, transparent 70%);
}
.hero-greeting {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    letter-spacing: 0.5px;
}
.hero-name {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero-title {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    margin-bottom: 1rem;
}
.hero-bio {
    color: rgba(255,255,255,0.7);
    font-size: 0.97rem;
    max-width: 480px;
    line-height: 1.8;
}
.profile-img-wrap {
    position: relative;
    width: 180px;
    height: 180px;
}
.profile-img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 4px solid rgba(255,255,255,0.4);
    object-fit: cover;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}
.profile-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px dashed rgba(255,255,255,0.3);
    animation: spin 20s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn-hero {
    padding: 0.65rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
}
.btn-hero:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }

.hero-socials { display: flex; gap: 1rem; }
.hero-socials a {
    color: rgba(255,255,255,0.75);
    font-size: 1.5rem;
    transition: color var(--transition), transform var(--transition);
}
.hero-socials a:hover { color: #fff; transform: translateY(-3px); }

/* Hero Stats Card */
.hero-stats-card {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 240px;
    box-shadow: var(--shadow-md);
}
.stat-item { text-align: center; }
.stat-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 900;
    color: #fff;
    line-height: 1;
}
.stat-label { color: rgba(255,255,255,0.7); font-size: 0.85rem; margin-top: 4px; display: block; }
.stat-divider { height: 1px; background: rgba(255,255,255,0.15); }

/* Scroll Down Arrow */
.scroll-down-arrow {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
    text-decoration: none;
    transition: color var(--transition);
}
.scroll-down-arrow:hover { color: #fff; }
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ── Skills ─────────────────────────────────────────────────── */
.skill-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
}
.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.skill-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    color: var(--primary);
}
.skill-card h5 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-dark);
}
.skill-bars { display: flex; flex-direction: column; gap: 0.9rem; }
.skill-bar-item span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-mid);
    margin-bottom: 4px;
    font-weight: 500;
}
.bar-track {
    height: 6px;
    background: var(--bg-alt);
    border-radius: 3px;
    overflow: hidden;
}
.bar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), #00b4d8);
    border-radius: 3px;
    transition: width 1.2s cubic-bezier(.4,0,.2,1);
}

/* ── Achievements / Certs ───────────────────────────────────── */
.cert-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
}
.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.cert-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.cert-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.cert-card:hover .cert-img-wrap img { transform: scale(1.05); }
.cert-img-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
    background: #f8f9fa;
}
.cert-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,102,194,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}
.cert-card:hover .cert-overlay { opacity: 1; }
.cert-body { padding: 1rem; }
.cert-issuer {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}
.cert-body h6 { font-size: 0.9rem; font-weight: 700; margin: 0 0 2px; }

/* ── Cert Visual (replaces iframe previews) ─────────────────── */
.cert-clickable { cursor: pointer; }
.cert-visual {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-card) 50%, rgba(10,102,194,0.06));
    padding: 1rem;
    text-align: center;
}
.cert-visual-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-mid);
    margin-top: 0.35rem;
    line-height: 1.3;
}
.view-cert-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary);
    background: rgba(10,102,194,0.08);
    border: 1px solid rgba(10,102,194,0.25);
    border-radius: 20px;
    padding: 2px 10px;
    pointer-events: none;
}
.cert-modal-body { background: #f8f9fa; }
.cert-modal-frame { width: 100%; height: 80vh; border: none; display: block; }

.view-cert-badge--soon {
    color: var(--text-mid);
    background: rgba(0,0,0,0.04);
    border-color: var(--border);
}

/* Oxford Brookes Degree — A4 display */
.degree-cert-wrap {
    position: relative;
    aspect-ratio: 21 / 29.7;
    max-width: 680px;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
    border: 2px solid var(--primary);
}
.degree-cert-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
    background: #f8f9fa;
}
.degree-cert-wrap .cert-overlay {
    opacity: 0;
    transition: opacity var(--transition);
}
.degree-cert-wrap:hover .cert-overlay {
    opacity: 1;
}
.degree-cert-placeholder {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Badges Row */
.badges-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}
.badge-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    text-align: center;
    flex: 1 1 160px;
    max-width: 200px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}
.badge-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.badge-item p { font-size: 0.85rem; color: var(--text-mid); }

/* ── Timeline ───────────────────────────────────────────────── */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--primary-light));
    border-radius: 1px;
}
.timeline-right { padding-left: 2.5rem; }

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -2.1rem;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--bg-white);
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-content {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
}
.timeline-content:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}
.bg-alt .timeline-content { background: var(--bg-white); }

.timeline-logo {
    position: absolute;
    top: 1rem;
    right: 1rem;
    height: 34px;
    max-width: 110px;
    object-fit: contain;
    opacity: 0.82;
    pointer-events: none;
}

.timeline-date {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 0.5rem;
}
.timeline-content h5 { font-size: 1rem; font-weight: 700; margin: 0.25rem 0; }
.timeline-org { color: var(--primary); font-size: 0.88rem; font-weight: 600; margin-bottom: 0.5rem; }
.timeline-content p, .timeline-content ul {
    font-size: 0.9rem;
    color: var(--text-mid);
    margin-bottom: 0.75rem;
}
.timeline-content ul { padding-left: 1.2rem; }
.timeline-content ul li { margin-bottom: 4px; }

/* Tags */
.timeline-tags, .project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
    display: inline-block;
    background: var(--bg-alt);
    color: var(--text-mid);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

/* ── Transcript Modal ───────────────────────────────────────── */

.view-modules-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary);
    background: rgba(10,102,194,0.08);
    border: 1px solid rgba(10,102,194,0.25);
    border-radius: 20px;
    padding: 2px 10px;
    margin-bottom: 0.4rem;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}
.view-modules-badge:hover {
    background: rgba(10,102,194,0.16);
    border-color: var(--primary);
}

.module-year-heading {
    font-weight: 700;
    color: var(--primary);
    border-bottom: 2px solid var(--border);
    padding-bottom: 0.3rem;
    margin-bottom: 0.6rem;
}
.module-table {
    table-layout: fixed;
    width: 100%;
}
.module-table thead th {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-mid);
    border-bottom-width: 1px;
    overflow: hidden;
}
.module-table tbody td {
    font-size: 0.875rem;
    vertical-align: middle;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.mod-col-code       { width: 8%; }
.mod-col-stat       { width: 13%; }
.mod-col-result     { width: 14%; }
.mod-col-bath-level { width: 10%; }


/* ── YouTube thumbnail ──────────────────────────────────────── */
.yt-thumb-link { display: block; overflow: hidden; background: #000; text-decoration: none; }
.yt-thumb-link img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; transition: opacity 0.25s; }
.yt-thumb-link:hover img { opacity: 1; }
.yt-play-btn {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    pointer-events: none;
}
.yt-play-btn i { font-size: 3.5rem; color: #fff; filter: drop-shadow(0 2px 6px rgba(0,0,0,.6)); transition: color 0.25s; }
.yt-thumb-link:hover .yt-play-btn i { color: #ff0000; }

/* ── Portfolio ──────────────────────────────────────────────── */
.portfolio-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.filter-btn {
    background: var(--bg-white);
    border: 2px solid var(--border);
    color: var(--text-mid);
    border-radius: 25px;
    padding: 0.4rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.project-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
}
.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.project-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}
.project-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.project-card:hover .project-img-wrap img { transform: scale(1.06); }
.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,102,194,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-body { padding: 1.25rem; }
.project-cat {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    display: block;
    margin-bottom: 0.3rem;
}
.project-body h5 { font-size: 0.98rem; font-weight: 700; margin-bottom: 0.4rem; }
.project-body p { font-size: 0.85rem; color: var(--text-mid); margin-bottom: 0.75rem; }
.project-links { display: flex; flex-wrap: wrap; gap: 4px; }
.btn-xs { padding: 0.2rem 0.5rem; font-size: 0.75rem; }

/* Portfolio hide animation */
.portfolio-item { transition: opacity 0.4s, transform 0.4s; }
.portfolio-item.hidden { opacity: 0; transform: scale(0.95); pointer-events: none; display: none !important; }

/* ── Hobbies ────────────────────────────────────────────────── */
.hobby-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    cursor: default;
    transition: transform var(--transition), box-shadow var(--transition);
}
.hobby-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.hobby-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-light), rgba(0,180,216,0.15));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin: 0 auto 0.75rem;
    transition: background var(--transition), transform var(--transition);
}
.hobby-card:hover .hobby-icon {
    background: linear-gradient(135deg, var(--primary), #00b4d8);
    color: #fff;
    transform: rotate(10deg) scale(1.1);
}
.hobby-card p { font-size: 0.88rem; font-weight: 600; color: var(--text-mid); margin: 0; }

/* ── Contact ────────────────────────────────────────────────── */
.contact-section {
    background: linear-gradient(135deg, #004182 0%, #0a66c2 100%);
}
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-info-item { display: flex; align-items: flex-start; gap: 1rem; }
.ci-icon {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    flex-shrink: 0;
}
.ci-label { font-size: 0.75rem; color: rgba(255,255,255,0.6); margin: 0; text-transform: uppercase; letter-spacing: 0.5px; }
.ci-value { font-size: 0.92rem; color: #fff; margin: 0; font-weight: 500; }
.ci-value a { text-decoration: none; }
.ci-value a:hover { text-decoration: underline; }

.contact-form { background: rgba(255,255,255,0.08); border-radius: var(--radius); padding: 2rem; }
.cf-input {
    background: rgba(255,255,255,0.12) !important;
    border: 1px solid rgba(255,255,255,0.25) !important;
    color: #fff !important;
    border-radius: var(--radius-sm) !important;
    padding: 0.7rem 1rem !important;
    transition: all var(--transition);
}
.cf-input::placeholder { color: rgba(255,255,255,0.45) !important; }
.cf-input:focus {
    background: rgba(255,255,255,0.18) !important;
    border-color: rgba(255,255,255,0.5) !important;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.1) !important;
    color: #fff !important;
}
.btn-send {
    border-radius: 25px;
    font-weight: 700;
    padding: 0.7rem 2rem;
    transition: all var(--transition);
}
.btn-send:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
    background: #0d1117;
    color: rgba(255,255,255,0.7);
    padding: 2.5rem 0 1.5rem;
    position: relative;
}
.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -.5px;
}
.footer-tagline { font-size: 0.82rem; color: rgba(255,255,255,0.45); margin: 0; }
.footer-socials { display: flex; justify-content: center; gap: 1rem; }
.footer-socials a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition);
}
.footer-socials a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
}
.footer-copy { font-size: 0.85rem; margin: 0; }
.footer-divider { height: 1px; background: rgba(255,255,255,0.08); margin: 1.5rem 0 1rem; }
.footer-bottom { font-size: 0.8rem; color: rgba(255,255,255,0.35); margin: 0; }
.footer-bottom i { color: #e74c3c; }

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ── Utilities ──────────────────────────────────────────────── */
.z-1 { z-index: 1; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .search-input { width: 140px; }
    .search-input:focus { width: 180px; }
    .hero-stats-card { display: none; }
    .hero-bio { max-width: 100%; }
    #navbarNav { background: rgba(0,65,130,0.98); border-radius: var(--radius-sm); padding: 1rem; margin-top: 0.5rem; }
}

@media (max-width: 767.98px) {
    .section-pad { padding: 60px 0 50px; }
    .timeline { padding-left: 1.8rem; }
    .timeline-dot { left: -1.45rem; }
    .hero-name { font-size: 2.5rem; }
    .badges-row .badge-item { flex: 1 1 140px; }
}

@media (max-width: 575.98px) {
    .hero-actions { flex-direction: column; align-items: center; }
    .btn-hero { width: 100%; max-width: 260px; }
}

/* ── Cert: iframe on desktop, cert-visual on mobile ─────────── */
.cert-img-wrap .cert-visual { display: none; }

@media (max-width: 767.98px) {
    .cert-img-wrap iframe { display: none; }
    .cert-img-wrap .cert-visual { display: flex; }
}

/* ── Mobile: always show overlays (no hover on touch) ───────── */
@media (max-width: 767.98px) {
    .cert-overlay,
    .project-overlay {
        opacity: 1;
        background: rgba(10,102,194,0.55);
    }
    .project-img-wrap { min-height: 200px; }
}

/* ── YouTube Placeholder ────────────────────────────────────── */
.yt-placeholder-wrap {
    background: #111;
    min-height: 220px;
}
.yt-placeholder-icon {
    color: rgba(255, 0, 0, 0.8);
}

/* ── Print Styles ───────────────────────────────────────────── */
@media print {
    #mainNav, #progressBar, .back-to-top, .scroll-down-arrow,
    .hero-actions, .hero-socials, .portfolio-filters, #contact,
    #searchResults { display: none !important; }
    .hero-section { min-height: auto; padding: 2rem 0; background: #fff !important; }
    .hero-name, .hero-title, .hero-bio, .hero-greeting { color: #000 !important; }
    .section-pad { padding: 30px 0; }
    .timeline-content, .skill-card, .cert-card, .project-card { box-shadow: none; border: 1px solid #ccc; }
}