/* ==================== RESET & BASE ==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark theme (default) */
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-card-hover: #1c2333;
    --border: #21262d;
    --border-hover: #388bfd44;
    --text: #c9d1d9;
    --text-muted: #8b949e;
    --text-heading: #e6edf3;
    --accent: #58a6ff;
    --accent-dim: #58a6ff22;
    --green: #3fb950;
    --green-dim: #3fb95022;
    --pill-bg: #21262d;
    --pill-text: #8b949e;
    --section-line: #21262d;
    --glow-color: rgba(88, 166, 255, 0.06);
    --noise-opacity: 0.03;
}

[data-theme="light"] {
    --bg: #f6f8fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f3f6;
    --border: #d0d7de;
    --border-hover: #0969da44;
    --text: #24292f;
    --text-muted: #57606a;
    --text-heading: #1f2328;
    --accent: #0969da;
    --accent-dim: #0969da18;
    --green: #1a7f37;
    --green-dim: #1a7f3718;
    --pill-bg: #eaeef2;
    --pill-text: #57606a;
    --section-line: #d0d7de;
    --glow-color: rgba(9, 105, 218, 0.04);
    --noise-opacity: 0.015;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'Consolas', monospace;
    font-size: 17px;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}

/* Subtle film grain */
.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: var(--noise-opacity);
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Cursor glow */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ==================== LAYOUT ==================== */
.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 80px 24px 48px;
    position: relative;
    z-index: 2;
}

/* Desktop: wide two-column layout */
@media (min-width: 900px) {
    .container {
        max-width: 1200px;
        padding: 40px 48px 32px;
    }

    .hero {
        margin-bottom: 28px;
    }

    .main-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        align-items: start;
    }

    /* When projects expand, stretch projects to full width */
    .main-grid.projects-expanded {
        grid-template-columns: 1fr;
    }

    .main-grid .section {
        margin-bottom: 0;
    }

    .section {
        margin-bottom: 24px;
    }

    .footer {
        margin-top: 24px;
    }
}

/* ==================== HERO ==================== */
.hero {
    margin-bottom: 32px;
}

.hero-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 28px;
}

.hero-text {
    flex: 1;
    min-width: 0;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.name-highlight {
    background: linear-gradient(135deg, var(--accent), #a371f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bio {
    color: var(--text-muted);
    font-size: 0.875rem;
    max-width: 520px;
    margin-bottom: 20px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.status-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.cv-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-family: inherit;
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    text-decoration: none;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.cv-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

/* Photo */
.hero-photo {
    flex-shrink: 0;
}

.photo-placeholder {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    transition: border-color 0.2s ease;
}

.photo-placeholder:hover {
    border-color: var(--accent);
}

.photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none; /* shown via JS once src is set */
}

.photo-img[src]:not([src=""]) {
    display: block;
}

.photo-img[src]:not([src=""]) ~ .photo-initials {
    display: none;
}

.photo-initials {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.badge {
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.badge-open {
    background: var(--green-dim);
    color: var(--green);
    border: 1px solid var(--green);
}

.badge-location {
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid transparent;
}

/* ==================== SECTIONS ==================== */
.section {
    margin-bottom: 64px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.section-line {
    width: 32px;
    height: 1px;
    background: var(--section-line);
}

.section-header h2 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

/* ==================== ACCORDION ==================== */
.accordion-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.accordion-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.accordion-item:hover {
    border-color: var(--border-hover);
}

.accordion-trigger {
    width: 100%;
    background: var(--bg-card);
    border: none;
    color: var(--text);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    transition: background 0.2s ease;
}

.accordion-trigger:hover {
    background: var(--bg-card-hover);
}

.accordion-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.company-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--pill-bg);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
    letter-spacing: 0.05em;
}

.accordion-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.accordion-title {
    font-weight: 600;
    color: var(--text-heading);
    font-size: 0.875rem;
}

.accordion-sub {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 2px;
}

.chevron {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.accordion-item.open .chevron {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.55s ease, padding 0.55s ease;
    background: var(--bg-card);
}

.accordion-item.open .accordion-content {
    padding: 0 20px 16px 70px;
}

.accordion-content ul {
    list-style: none;
    padding: 0;
}

.accordion-content li {
    position: relative;
    padding-left: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 6px;
}

.accordion-content li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.accordion-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
    padding-bottom: 4px;
}

.accordion-tag {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    letter-spacing: 0.03em;
}

/* Hide project cards beyond first 2 by default */
.project-grid .project-card:nth-child(n+3),
.project-grid .project-card-empty:nth-child(n+3) {
    display: none;
}

.project-grid.expanded .project-card,
.project-grid.expanded .project-card-empty {
    display: block;
}

.see-more-btn {
    margin-top: 12px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.75rem;
    padding: 6px 18px;
    border-radius: 999px;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.see-more-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

/* ==================== PROJECTS ==================== */
.project-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    cursor: default;
    text-decoration: none;
    color: inherit;
    display: block;
}

a.project-card {
    cursor: pointer;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.project-card-empty {
    border-style: dashed;
    opacity: 0.5;
}

.project-card-empty:hover {
    opacity: 0.7;
    transform: none;
    box-shadow: none;
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.project-tag-group {
    display: flex;
    gap: 6px;
    align-items: center;
}

.project-tag-wip {
    background: #f0883e22;
    color: #f0883e;
    border: 1px solid #f0883e44;
}

.project-name {
    font-weight: 700;
    color: var(--text-heading);
    font-size: 0.9rem;
}

.project-tag {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.project-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tech span {
    font-size: 0.68rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--pill-bg);
    color: var(--pill-text);
}

/* ==================== TOOLKIT MARQUEE ==================== */
.marquee-wrapper {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-row {
    overflow: hidden;
}

.marquee-track {
    display: flex;
    gap: 8px;
    width: max-content;
    animation: marquee-left 30s linear infinite;
}

.marquee-row-reverse .marquee-track {
    animation: marquee-right 30s linear infinite;
}

.marquee-wrapper:hover .marquee-track {
    animation-play-state: paused;
}

@keyframes marquee-left {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes marquee-right {
    0%   { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

.skill-pill {
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: 5px 14px;
    border-radius: 999px;
    background: var(--pill-bg);
    color: var(--pill-text);
    border: 1px solid transparent;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    cursor: default;
    white-space: nowrap;
}

.skill-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.skill-pill[data-category="sales"]:hover {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-dim);
}

.skill-pill[data-category="ai"]:hover {
    border-color: #a371f7;
    color: #a371f7;
    background: #a371f722;
}

.skill-pill[data-category="domain"]:hover {
    border-color: #f0883e;
    color: #f0883e;
    background: #f0883e22;
}

/* ==================== EDUCATION (inline in hero) ==================== */
.edu-inline {
    margin-top: 16px;
}

.edu-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.edu-left {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-shrink: 0;
}

.edu-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    flex-shrink: 0;
}

.edu-school {
    font-weight: 700;
    color: var(--text-heading);
    font-size: 0.875rem;
}

.edu-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.edu-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.edu-tags {
    display: grid;
    grid-template-columns: repeat(3, auto);
    gap: 6px;
    justify-content: center;
}

.edu-tags .accordion-tag {
    white-space: nowrap;
    text-align: center;
}

.edu-details span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.edu-details strong {
    color: var(--accent);
}

/* ==================== FOOTER ==================== */
.footer {
    margin-top: 64px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-muted);
    transition: color 0.2s ease, transform 0.2s ease;
    display: flex;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.footer-divider {
    color: var(--border);
    user-select: none;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 4px;
    border-radius: 6px;
    transition: color 0.2s ease, background 0.2s ease;
}

.theme-toggle:hover {
    color: var(--accent);
    background: var(--accent-dim);
}

/* Show/hide sun/moon */
.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.footer-note {
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.6;
}

/* ==================== ANIMATIONS ==================== */
.section,
.hero {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.6s ease forwards;
}

.hero { animation-delay: 0.1s; }
.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.3s; }
.section:nth-child(4) { animation-delay: 0.4s; }
.section:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer {
    opacity: 0;
    animation: fadeUp 0.6s ease 0.6s forwards;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 899px) {
    .container {
        max-width: 680px;
        padding: 48px 16px 32px;
    }

    .hero-top {
        flex-direction: column-reverse;
        align-items: flex-start;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

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

    .accordion-item.open .accordion-content {
        padding-left: 20px;
    }

    .edu-main {
        flex-direction: column;
        align-items: flex-start;
    }

    .edu-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .edu-right {
        align-items: flex-start;
    }

    .edu-tags {
        grid-template-columns: 1fr 1fr;
        justify-content: start;
    }

    .edu-tags .accordion-tag {
        text-align: left;
    }
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==================== SELECTION ==================== */
::selection {
    background: var(--accent);
    color: var(--bg);
}