/* ============================================================
   DEFERRED CSS — below-the-fold sections + UI polish.
   Loaded asynchronously via <link rel="preload" ... onload>.
   The browser fetches this in parallel with style.css but does
   NOT block first paint on it.
   ============================================================ */

/* ---------- Below-the-fold keyframes ---------- */
@keyframes slideInRight {
    from { transform: translateX(100%); }
    to   { transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.05); }
}

/* ---------- Sections ---------- */
.section { padding: 80px 0; }

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    position: relative;
    padding-bottom: 15px;
    animation: fadeInUp 0.6s ease-out;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 2px;
    animation: fadeIn 0.8s ease-out 0.2s backwards;
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(162, 215, 41, 0.3), transparent);
    border-radius: 2px;
    animation: fadeIn 0.8s ease-out 0.2s backwards;
}

.bg-light {
    background-color: var(--secondary-bg);
    position: relative;
}

body.light-theme .bg-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 1px 1px, rgba(60, 145, 230, 0.03) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0.5;
}

/* ---------- About Section ---------- */
.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-text { flex: 2; }

.about-image {
    flex: 1;
    max-width: 300px;
}

.about-image img {
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}

.about-text strong {
    color: var(--accent-color);
    font-weight: 600;
}

/* ---------- Experience Section — Timeline ---------- */
.experience-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.experience-timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--accent-color);
    opacity: 0.6;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    right: -25px;
    background-color: var(--timeline-icon-bg);
    border: 4px solid var(--timeline-icon-border);
    top: 25px;
    border-radius: 50%;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 70px;
}
.timeline-item:nth-child(odd) .timeline-icon {
    right: -25px;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 70px;
}
.timeline-item:nth-child(even) .timeline-icon {
    left: -25px;
}

.timeline-content {
    padding: 25px 30px;
    background: var(--secondary-bg);
    backdrop-filter: blur(10px);
    position: relative;
    border-radius: 16px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), rgba(162, 215, 41, 0.3));
    border-radius: 16px 16px 0 0;
}

.timeline-item:hover .timeline-content {
    transform: translateX(5px);
    box-shadow: 0 10px 35px rgba(162, 215, 41, 0.25), 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

body.light-theme .timeline-content {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(250, 252, 255, 1) 100%);
    border: 1px solid rgba(60, 145, 230, 0.15);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(60, 145, 230, 0.08);
}

body.light-theme .timeline-content::before {
    background: linear-gradient(90deg, var(--accent-color), rgba(60, 145, 230, 0.3));
}

body.light-theme .timeline-item:hover .timeline-content {
    box-shadow: 0 8px 30px rgba(60, 145, 230, 0.2), 0 4px 12px rgba(60, 145, 230, 0.1);
    border-color: rgba(60, 145, 230, 0.2);
}

.timeline-content h3 { color: var(--text-primary); }

.company-duration {
    font-style: italic;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

/* ---------- "Current" badge for active role ---------- */
.current-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    border: 1px solid rgba(var(--accent-rgb), 0.5);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 12px;
    margin-bottom: 10px;
    float: right;
    margin-top: 2px;
    position: relative;
    isolation: isolate;
    background:
        linear-gradient(
            120deg,
            rgba(var(--accent-rgb), 0.10) 0%,
            rgba(var(--accent-rgb), 0.32) 50%,
            rgba(var(--accent-rgb), 0.10) 100%
        );
    background-size: 220% 220%;
    animation:
        srBadgeSheen 4.5s ease-in-out infinite,
        srBadgePulse 2.4s ease-in-out infinite;
    box-shadow:
        0 0 0 0 rgba(var(--accent-rgb), 0.5),
        inset 0 0 14px rgba(var(--accent-rgb), 0.18);
}

.current-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-color);
    display: inline-block;
    flex-shrink: 0;
    box-shadow:
        0 0 0 0 rgba(var(--accent-rgb), 0.7),
        0 0 8px rgba(var(--accent-rgb), 0.9);
    animation: srLivePing 1.6s ease-out infinite;
}

.current-badge::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: conic-gradient(
        from 0deg,
        transparent,
        rgba(var(--accent-rgb), 0.6),
        transparent 40%
    );
    -webkit-mask: linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: srBorderSpin 4s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes srBadgeSheen {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}
@keyframes srBadgePulse {
    0%, 100% {
        box-shadow:
            0 0 0 0 rgba(var(--accent-rgb), 0.45),
            inset 0 0 14px rgba(var(--accent-rgb), 0.18);
    }
    50% {
        box-shadow:
            0 0 18px 2px rgba(var(--accent-rgb), 0.45),
            inset 0 0 18px rgba(var(--accent-rgb), 0.28);
    }
}
@keyframes srLivePing {
    0% {
        box-shadow:
            0 0 0 0 rgba(var(--accent-rgb), 0.75),
            0 0 8px rgba(var(--accent-rgb), 0.9);
    }
    70% {
        box-shadow:
            0 0 0 10px rgba(var(--accent-rgb), 0),
            0 0 8px rgba(var(--accent-rgb), 0.9);
    }
    100% {
        box-shadow:
            0 0 0 0 rgba(var(--accent-rgb), 0),
            0 0 8px rgba(var(--accent-rgb), 0.9);
    }
}
@keyframes srBorderSpin {
    to { transform: rotate(360deg); }
}

body.light-theme .current-badge {
    background: rgba(60, 145, 230, 0.1);
    color: var(--accent-color);
    border-color: rgba(60, 145, 230, 0.3);
}

body.light-theme .current-badge::before {
    background: var(--accent-color);
}

/* ---------- Projects Section ---------- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--secondary-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--glass-border);
    position: relative;
}

body.light-theme .project-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(250, 252, 255, 0.98) 100%);
    border: 1px solid rgba(60, 145, 230, 0.1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--project-card-hover-shadow), var(--glow-accent);
    border-color: var(--accent-color);
}

.project-card:hover::before { opacity: 1; }

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-info h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.project-description {
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 15px;
}

.project-tech {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.project-tech strong { color: var(--accent-color); }

.project-info .btn { margin-top: auto; }

.project-info .btn-icon {
    margin-left: 10px;
    vertical-align: middle;
}

.project-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.project-links .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.project-links .btn ion-icon[name="open-outline"] {
    margin-left: 6px;
}

.project-links .btn ion-icon[name="logo-github"] {
    margin-right: 6px;
}

/* Neon-glow polish on hover (combined with above) */
.timeline-item:hover .timeline-content {
    box-shadow: 0 10px 35px rgba(var(--accent-rgb), 0.25),
        0 4px 12px rgba(0, 0, 0, 0.3), var(--glow-accent);
}

/* ---------- Contact Section ---------- */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.contact-link {
    font-size: 1.1rem;
    color: var(--text-primary);
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(162, 215, 41, 0.1), transparent);
    transition: left var(--transition-slow);
}

.contact-link:hover::before { left: 100%; }

.contact-link ion-icon {
    margin-right: 8px;
    font-size: 1.3rem;
    color: var(--accent-color);
    transition: transform var(--transition-base);
}

.contact-link:hover {
    background-color: var(--secondary-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.25),
        0 0 24px rgba(var(--accent-rgb), 0.35);
}

.contact-link:hover ion-icon {
    transform: scale(1.2) rotate(5deg);
}

.contact-link:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* ---------- Footer ---------- */
#footer {
    background-color: var(--secondary-bg);
    color: var(--text-secondary);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}

#footer p { margin-bottom: 0.5rem; }

.attributions a {
    color: var(--accent-color);
    font-weight: 600;
}

.attributions ion-icon {
    vertical-align: middle;
    font-size: 1rem;
}

/* ---------- Magnetic-friendly transition tweaks ---------- */
html.sr-motion-ok .btn,
html.sr-motion-ok .contact-link,
html.sr-motion-ok .theme-toggle-btn,
html.sr-motion-ok .nav-links a {
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
        color var(--transition-base), background-color var(--transition-base),
        border-color var(--transition-base), box-shadow var(--transition-base);
}

/* ---------- Parallax / Scroll-driven micro-motion ---------- */
html.sr-motion-ok .section-title {
    --sp: 0;
    transform: translate3d(0, calc(var(--sp, 0) * -12px), 0);
    will-change: transform;
}
html.sr-motion-ok .timeline-content,
html.sr-motion-ok .project-card {
    --sp: 0;
    transition: transform 0.3s ease, box-shadow var(--transition-base),
        border-color var(--transition-base);
}
html.sr-motion-ok .timeline-content {
    transform: translate3d(0, calc(var(--sp, 0) * -6px), 0);
}
html.sr-motion-ok .timeline-item:hover .timeline-content {
    transform: translate3d(5px, calc(var(--sp, 0) * -6px), 0);
}

/* ---------- Command Palette ---------- */
.sr-cmdk {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 12vh 16px 16px;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.18s ease;
}
.sr-cmdk.is-open { opacity: 1; }
.sr-cmdk[hidden] { display: none; }

.sr-cmdk__panel {
    width: 100%;
    max-width: 560px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(var(--accent-rgb), 0.15),
        var(--glow-accent);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 70vh;
    transform: translateY(-8px) scale(0.98);
    transition: transform 0.18s ease;
}
.sr-cmdk.is-open .sr-cmdk__panel {
    transform: translateY(0) scale(1);
}

.sr-cmdk__inputwrap {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}
.sr-cmdk__searchicon {
    font-size: 1.2rem;
    color: var(--accent-color);
    flex-shrink: 0;
}
.sr-cmdk__input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: 0;
    color: var(--text-primary);
    font-family: var(--font-secondary);
    font-size: 1rem;
    min-width: 0;
}
.sr-cmdk__input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}
.sr-cmdk__esc {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(var(--accent-rgb), 0.12);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.sr-cmdk__list {
    list-style: none;
    margin: 0;
    padding: 6px;
    overflow-y: auto;
    flex: 1;
}
.sr-cmdk__item {
    display: grid;
    grid-template-columns: 28px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.12s ease, color 0.12s ease;
}
.sr-cmdk__item .sr-cmdk__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent-color);
}
.sr-cmdk__item .sr-cmdk__label { font-size: 0.95rem; }
.sr-cmdk__item .sr-cmdk__hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.8;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}
.sr-cmdk__item.is-active {
    background: rgba(var(--accent-rgb), 0.12);
    color: var(--text-primary);
}
.sr-cmdk__item.is-active .sr-cmdk__label {
    color: var(--accent-color);
}
.sr-cmdk__empty {
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.sr-cmdk__footer {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    padding: 10px 16px;
    border-top: 1px solid var(--border-color);
    font-size: 0.72rem;
    color: var(--text-secondary);
}
.sr-cmdk__footer kbd {
    background: rgba(var(--accent-rgb), 0.12);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1px 5px;
    margin-right: 4px;
    font-family: var(--font-primary);
    font-size: 0.7rem;
}

.sr-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Cmd+K Hint Chip ---------- */
.sr-cmdk-hint {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 900;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.78rem;
    padding: 8px 14px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s ease,
        border-color 0.2s ease;
    animation: srHintIn 0.6s ease-out 1s backwards;
}
.sr-cmdk-hint kbd {
    background: rgba(var(--accent-rgb), 0.15);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1px 6px;
    margin: 0 2px;
    font-size: 0.7rem;
    color: var(--accent-color);
}
.sr-cmdk-hint:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}
.sr-cmdk-hint.is-hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}
@keyframes srHintIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
    .sr-cmdk-hint { display: none; }
}

/* ---------- Toast ---------- */
.sr-toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translate(-50%, 20px);
    background: var(--secondary-bg);
    color: var(--text-primary);
    border: 1px solid var(--accent-color);
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 0.85rem;
    font-family: var(--font-primary);
    box-shadow: var(--glow-accent), 0 8px 24px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 10001;
}
.sr-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* ---------- Responsive — sections below the fold ---------- */
@media (max-width: 768px) {
    .section { padding: 60px 0; }

    .section-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .about-content { flex-direction: column; }
    .about-image { margin: 0 auto 20px auto; }

    /* Timeline adjustments — every card spans the same full width with
       equal side padding so the column looks consistent. */
    .experience-timeline { padding-left: 0; }
    .experience-timeline::after { left: 22px; }

    .timeline-item {
        width: 100%;
        padding: 10px 0 10px 60px;
        margin-bottom: 10px;
        box-sizing: border-box;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        left: 0;
        padding-left: 60px;
        padding-right: 0;
    }

    .timeline-content {
        width: 100%;
        box-sizing: border-box;
    }

    .timeline-icon,
    .timeline-item:nth-child(odd) .timeline-icon,
    .timeline-item:nth-child(even) .timeline-icon {
        left: -3px;
        right: auto;
        width: 46px;
        height: 46px;
    }

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

    .contact-link { min-height: 44px; min-width: 44px; }
}

@media (max-width: 480px) {
    .contact-links {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-link { justify-content: center; }
}

/* ---------- Reduced motion overrides for badge ---------- */
@media (prefers-reduced-motion: reduce) {
    .current-badge,
    .current-badge::before,
    .current-badge::after {
        animation: none !important;
    }
}