/* ===== CSS Variables — Dark-first ===== */
:root {
    --primary:   #6366f1;
    --primary-d: #4f46e5;
    --secondary: #06b6d4;
    --accent:    #8b5cf6;

    --bg-base:    #020617;
    --bg-surface: rgba(255,255,255,0.04);
    --bg-raised:  rgba(255,255,255,0.07);
    --bg-card:    rgba(255,255,255,0.05);

    --text-1:    #f1f5f9;
    --text-2:    #94a3b8;
    --text-3:    #475569;

    --border:    rgba(255,255,255,0.10);
    --border-h:  rgba(99,102,241,0.45);
    --glow:      rgba(99,102,241,0.25);
    --shadow:    rgba(0,0,0,0.4);

    --font: 'Inter','Noto Sans KR','Noto Sans JP',sans-serif;
    --sp-section: 100px 0;

    --r-sm:   8px;
    --r-md:   14px;
    --r-lg:   20px;
    --r-xl:   28px;
    --r-full: 9999px;

    --t-fast:   0.2s ease;
    --t-normal: 0.3s ease;
    --t-slow:   0.5s ease;

    --z-header: 100;
    --z-modal:  1000;
}

[data-theme="light"] {
    --bg-base:    #f8fafc;
    --bg-surface: rgba(0,0,0,0.03);
    --bg-raised:  rgba(0,0,0,0.05);
    --bg-card:    #ffffff;
    --text-1:    #0f172a;
    --text-2:    #475569;
    --text-3:    #94a3b8;
    --border:    rgba(0,0,0,0.10);
    --border-h:  rgba(99,102,241,0.45);
    --glow:      rgba(99,102,241,0.15);
    --shadow:    rgba(0,0,0,0.10);
}

/* ===== Reset ===== */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; font-size:16px; }
body {
    font-family: var(--font);
    line-height: 1.6;
    color: var(--text-1);
    background-color: var(--bg-base);
    overflow-x: hidden;
    transition: background-color var(--t-normal), color var(--t-normal);
}
a { color:inherit; text-decoration:none; transition:color var(--t-fast); }
ul { list-style:none; }
img { max-width:100%; height:auto; display:block; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
input,textarea { font-family:inherit; font-size:inherit; }

/* ===== Utility ===== */
.container { max-width:1180px; margin:0 auto; padding:0 24px; }
.section    { padding: var(--sp-section); }

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--secondary);
    margin-bottom: 12px;
}
.section-title {
    font-size: clamp(1.8rem,4vw,2.8rem);
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 16px;
    line-height: 1.25;
}
.section-title--center { text-align:center; }
.section-title--compact {
    font-size: clamp(1.4rem,3vw,2rem);
    font-weight: 600;
}
.section-subline {
    font-size: 1.05rem;
    color: var(--text-2);
    line-height: 1.7;
    max-width: 640px;
}
.section-subline--compact {
    font-size:0.9rem;
    color:var(--text-3);
    margin-bottom:20px;
}
.section-subline--center { margin:0 auto; text-align:center; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--r-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--t-normal);
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(99,102,241,0.5); }
.btn-outline {
    border: 1.5px solid var(--border);
    color: var(--text-2);
    background: var(--bg-surface);
}
.btn-outline:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    background: rgba(6,182,212,0.08);
    transform: translateY(-2px);
}
.btn-sm { padding:8px 20px; font-size:0.85rem; }

/* ===== HEADER ===== */
.header {
    position: fixed;
    top:0; left:0; width:100%;
    z-index: var(--z-header);
    transition: all var(--t-normal);
}
.header.scrolled {
    background: rgba(2,6,23,0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
[data-theme="light"] .header.scrolled { background: rgba(248,250,252,0.92); }

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.nav-logo { font-size:1.4rem; font-weight:700; }
.logo-text {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-list { display:flex; gap:26px; }
.nav-link {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-2);
    padding: 6px 0;
    position: relative;
    transition: color var(--t-fast);
}
.nav-link::after {
    content:'';
    position:absolute;
    bottom:-2px; left:0;
    width:0; height:2px;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    border-radius:2px;
    transition: width var(--t-normal);
}
.nav-link:hover, .nav-link.active { color:var(--text-1); }
.nav-link:hover::after, .nav-link.active::after { width:100%; }

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

.language-selector { position:relative; }
.lang-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 12px;
    border-radius: var(--r-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-2);
    font-size: 0.82rem;
    font-weight: 600;
    transition: all var(--t-fast);
}
.lang-btn:hover { border-color:var(--secondary); color:var(--secondary); }

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px); right:0;
    min-width: 165px;
    background: rgba(2,6,23,0.97);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    box-shadow: 0 16px 40px var(--shadow);
    backdrop-filter: blur(16px);
    opacity:0; visibility:hidden; transform:translateY(-8px);
    transition: all var(--t-normal);
    z-index:10;
}
[data-theme="light"] .lang-dropdown { background:rgba(255,255,255,0.98); box-shadow:0 16px 40px rgba(0,0,0,0.15); }
.lang-dropdown.show { opacity:1; visibility:visible; transform:translateY(0); }
.lang-option {
    display:flex; align-items:center; gap:10px;
    width:100%; padding:11px 16px;
    color:var(--text-2); font-size:0.88rem;
    transition: all var(--t-fast);
}
.lang-option:hover { background:var(--bg-surface); color:var(--text-1); }
.lang-option.active { color:var(--secondary); }
.lang-flag { font-size:1.1rem; }

.theme-toggle {
    width:38px; height:38px;
    display:flex; align-items:center; justify-content:center;
    border-radius:var(--r-full);
    background:var(--bg-surface);
    border:1px solid var(--border);
    color:var(--text-2); font-size:1rem;
    transition:all var(--t-fast);
}
.theme-toggle:hover { border-color:var(--accent); color:var(--accent); transform:rotate(15deg); }

.nav-toggle,.nav-close { display:none; font-size:1.4rem; color:var(--text-1); }

@media (max-width:992px) {
    .nav-menu {
        position:fixed; top:0; right:-100%;
        width:min(80%,360px); height:100vh;
        background:rgba(2,6,23,0.97);
        border-left:1px solid var(--border);
        backdrop-filter:blur(24px);
        padding:80px 36px;
        transition:right var(--t-normal);
        z-index:var(--z-modal);
    }
    [data-theme="light"] .nav-menu { background:rgba(248,250,252,0.97); }
    .nav-menu.show { right:0; }
    .nav-list { flex-direction:column; gap:24px; }
    .nav-link { font-size:1.15rem; }
    .nav-close {
        display:flex; position:absolute; top:22px; right:22px;
        width:36px; height:36px;
        align-items:center; justify-content:center;
        border-radius:var(--r-full);
        background:var(--bg-surface); border:1px solid var(--border);
        cursor:pointer;
    }
    .nav-toggle { display:flex; cursor:pointer; }
}

/* ===== HERO ===== */
.hero {
    position:relative; overflow:hidden;
    min-height:100svh;
    display:flex; align-items:center;
    padding-top:90px; padding-bottom:60px;
}
.hero::before {
    content:'';
    position:absolute; top:-20%; left:-10%;
    width:65%; height:75%;
    background:radial-gradient(circle,rgba(59,130,246,0.20) 0%,transparent 65%);
    animation:blobPulse 8s ease-in-out infinite;
    pointer-events:none;
}
.hero::after {
    content:'';
    position:absolute; bottom:-10%; right:-5%;
    width:60%; height:70%;
    background:radial-gradient(circle,rgba(139,92,246,0.18) 0%,transparent 65%);
    animation:blobPulse 10s ease-in-out infinite reverse;
    pointer-events:none;
}
@keyframes blobPulse {
    0%,100% { transform:scale(1) translate(0,0); opacity:1; }
    50%      { transform:scale(1.08) translate(20px,15px); opacity:0.8; }
}
.hero .container {
    display:grid; grid-template-columns:1fr auto;
    gap:60px; align-items:center;
    position:relative; z-index:1;
}
.hero-content { max-width:660px; }

.hero-badge {
    display:inline-flex; align-items:center; gap:8px;
    padding:6px 16px; border-radius:var(--r-full);
    border:1px solid rgba(6,182,212,0.35);
    background:rgba(6,182,212,0.08);
    color:var(--secondary); font-size:0.8rem; font-weight:600;
    letter-spacing:0.5px; margin-bottom:24px;
}
.hero-headline {
    font-size:clamp(1.7rem,4.3vw,3.0rem);
    font-weight:800; line-height:1.18;
    color:var(--text-1); margin-bottom:22px;
    letter-spacing:-0.02em;
}
.hero-subline {
    font-size:1.05rem; color:var(--text-2); line-height:1.75;
    margin-bottom:18px; max-width:580px;
}
.hero-current-work {
    font-size:0.92rem; color:var(--text-3); line-height:1.65;
    margin-bottom:36px; max-width:520px;
    padding-left:14px; border-left:2px solid var(--secondary);
}
.hero-cta { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px; }
.hero-social { display:flex; gap:12px; }

.social-link {
    width:40px; height:40px;
    display:flex; align-items:center; justify-content:center;
    border-radius:var(--r-full);
    background:var(--bg-surface); border:1px solid var(--border);
    color:var(--text-2); font-size:1rem;
    transition:all var(--t-normal);
}
.social-link:hover { background:var(--primary); border-color:var(--primary); color:#fff; transform:translateY(-3px); }

.hero-photo { flex-shrink:0; }
.photo-wrapper { position:relative; width:280px; height:280px; }
.photo-wrapper img {
    width:100%; height:100%;
    object-fit:cover; border-radius:var(--r-xl);
    position:relative; z-index:2; cursor:pointer;
}
.photo-decoration {
    position:absolute; top:16px; left:16px;
    width:100%; height:100%;
    border:2px solid var(--secondary);
    border-radius:var(--r-xl); z-index:1;
    transition:all var(--t-normal); opacity:0.5;
}
.photo-wrapper:hover .photo-decoration { top:10px; left:10px; opacity:0.8; }

/* Hero Summary */
.hero-summary {
    position:relative; z-index:1;
    display:grid; grid-template-columns:repeat(3,1fr);
    gap:16px; margin-top:72px; padding-top:44px;
    border-top:1px solid var(--border);
}
.hero-summary-card {
    background:var(--bg-card); border:1px solid var(--border);
    backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
    border-radius:var(--r-lg); padding:22px;
    transition:all var(--t-normal); cursor:pointer;
}
.hero-summary-card:hover { border-color:var(--border-h); background:var(--bg-raised); transform:translateY(-4px); }
.summary-icon {
    width:42px; height:42px;
    display:flex; align-items:center; justify-content:center;
    border-radius:var(--r-md); font-size:1.1rem; margin-bottom:12px;
    transition:all var(--t-normal);
}
.summary-icon.professional  { background:rgba(99,102,241,0.15); color:var(--primary); }
.summary-icon.landingko     { background:rgba(6,182,212,0.15);  color:var(--secondary); }
.summary-icon.mini          { background:rgba(139,92,246,0.15); color:var(--accent); }
.hero-summary-card:hover .summary-icon { box-shadow:0 0 16px currentColor; }
.summary-count { font-size:1.65rem; font-weight:800; color:var(--text-1); line-height:1; margin-bottom:4px; }
.summary-label { font-size:0.8rem; color:var(--text-2); font-weight:500; }

@media (max-width:900px) {
    .hero .container { grid-template-columns:1fr; }
    .hero-photo { display:none; }
    .hero-summary { grid-template-columns:repeat(3,1fr); margin-top:48px; }
}
@media (max-width:540px) {
    .hero-summary { grid-template-columns:1fr; }
    .hero-cta { flex-direction:column; }
    .hero-cta .btn { width:100%; justify-content:center; }
}

/* ===== WORK / PROJECTS ===== */
.work { padding:var(--sp-section); }
.work-header {
    display:flex; justify-content:space-between; align-items:flex-end;
    margin-bottom:48px; flex-wrap:wrap; gap:20px;
}

/* Featured layout */
.work-featured {
    display:grid;
    grid-template-columns:1.45fr 1fr 1fr;
    gap:20px; margin-bottom:56px;
}

.project-card {
    background:var(--bg-card); border:1px solid var(--border);
    backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
    border-radius:var(--r-xl); padding:28px;
    position:relative; overflow:hidden;
    transition:all var(--t-normal); cursor:pointer;
    display:flex; flex-direction:column;
}
.project-card::before {
    content:''; position:absolute; top:0; left:0;
    width:100%; height:3px;
    background:linear-gradient(90deg,var(--secondary),var(--primary));
    opacity:0; transition:opacity var(--t-normal);
}
.project-card:hover { border-color:var(--border-h); background:var(--bg-raised); transform:translateY(-5px); box-shadow:0 20px 50px rgba(0,0,0,0.35); }
.project-card:hover::before { opacity:1; }
.project-clickable { cursor:pointer; }

.project-card--featured-large { grid-column:1; grid-row:1/3; }
.project-card--featured-large .project-title { font-size:1.55rem; }
.project-card--featured-large .project-impact { -webkit-line-clamp:4; }

/* Filter */
.project-filter { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:32px; }
.filter-btn {
    display:flex; align-items:center; gap:7px;
    padding:9px 20px;
    background:var(--bg-surface); border:1px solid var(--border);
    border-radius:var(--r-full);
    color:var(--text-2); font-size:0.87rem; font-weight:500;
    cursor:pointer; transition:all var(--t-fast);
}
.filter-btn:hover { border-color:var(--primary); color:var(--text-1); }
.filter-btn.active {
    background:linear-gradient(135deg,var(--primary),var(--accent));
    border-color:transparent; color:#fff;
    box-shadow:0 4px 16px rgba(99,102,241,0.35);
}

.project-skill-filter { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:24px; }
.skill-filter-chip {
    padding:5px 14px;
    background:var(--bg-surface); border:1px solid var(--border);
    border-radius:var(--r-full); color:var(--text-2); font-size:0.78rem;
    cursor:pointer; transition:all var(--t-fast);
}
.skill-filter-chip:hover { border-color:var(--secondary); color:var(--secondary); }
.skill-filter-chip.active { background:rgba(6,182,212,0.12); border-color:var(--secondary); color:var(--secondary); }

.projects-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:20px; }

.project-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:14px; }

.project-type-badge {
    display:flex; align-items:center; gap:6px;
    padding:4px 11px; border-radius:var(--r-full);
    font-size:0.74rem; font-weight:600; letter-spacing:0.3px;
}
.project-type-badge.professional,.project-type-badge.company { background:rgba(99,102,241,0.12); color:#818cf8; }
.project-type-badge.landingko                                { background:rgba(6,182,212,0.12);  color:var(--secondary); }
.project-type-badge.mini,.project-type-badge.personal        { background:rgba(139,92,246,0.12); color:#a78bfa; }

.project-link { color:var(--text-3); font-size:1.1rem; transition:color var(--t-fast); }
.project-link:hover { color:var(--secondary); }
.project-client-label { font-size:0.76rem; color:var(--text-3); font-weight:500; margin-bottom:8px; display:block; }

.project-title { font-size:1.22rem; font-weight:700; color:var(--text-1); margin-bottom:10px; line-height:1.3; }
.project-impact {
    font-size:0.91rem; color:var(--text-2); line-height:1.65;
    margin-bottom:16px;
    display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
    flex:1;
}
.project-role { font-size:0.87rem; color:var(--secondary); font-weight:500; margin-bottom:14px; }
.project-skills { display:flex; flex-wrap:wrap; gap:7px; margin-bottom:18px; margin-top:auto; }

.skill-tag {
    padding:3px 11px;
    background:var(--bg-surface); border:1px solid var(--border);
    border-radius:var(--r-full); font-size:0.74rem; color:var(--text-2);
    white-space:nowrap; transition:all var(--t-fast);
}
.project-card:hover .skill-tag { border-color:rgba(99,102,241,0.25); }

.project-card-footer { display:flex; align-items:center; justify-content:space-between; margin-top:4px; }
.project-period { display:flex; align-items:center; gap:6px; font-size:0.78rem; color:var(--text-3); }
.project-period i { color:var(--secondary); font-size:0.72rem; }
.project-detail-btn { display:flex; align-items:center; gap:5px; font-size:0.78rem; color:var(--text-3); transition:color var(--t-fast); }
.project-detail-btn:hover { color:var(--secondary); }

.show-more-container { display:flex; justify-content:center; margin-top:40px; }
.show-more-btn {
    display:flex; align-items:center; gap:8px;
    padding:12px 32px;
    border:1px solid var(--border); border-radius:var(--r-full);
    color:var(--text-2); background:var(--bg-surface); font-size:0.88rem;
    transition:all var(--t-fast);
}
.show-more-btn:hover { border-color:var(--primary); color:var(--text-1); }
.show-more-count {
    background:var(--primary); color:#fff;
    font-size:0.72rem; font-weight:700;
    padding:2px 8px; border-radius:var(--r-full);
}
.projects-empty { grid-column:1/-1; text-align:center; padding:60px; color:var(--text-3); }

@media (max-width:900px) {
    .work-featured { grid-template-columns:1fr 1fr; }
    .project-card--featured-large { grid-column:1/-1; grid-row:auto; }
}
@media (max-width:600px) {
    .work-featured { grid-template-columns:1fr; }
    .projects-grid { grid-template-columns:1fr; }
}

/* ===== STRENGTHS ===== */
.strengths { padding:var(--sp-section); }
.strengths-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:20px; margin-top:48px; }
.strength-card {
    background:var(--bg-card); border:1px solid var(--border);
    backdrop-filter:blur(12px); border-radius:var(--r-xl); padding:32px;
    transition:all var(--t-normal);
}
.strength-card:hover { border-color:var(--border-h); transform:translateY(-4px); }
.strength-icon {
    width:48px; height:48px;
    display:flex; align-items:center; justify-content:center;
    border-radius:var(--r-md);
    background:linear-gradient(135deg,var(--primary),var(--accent));
    color:#fff; font-size:1.2rem; margin-bottom:20px;
}
.strength-title { font-size:1.2rem; font-weight:700; color:var(--text-1); margin-bottom:12px; }
.strength-desc  { font-size:0.92rem; color:var(--text-2); line-height:1.7; margin-bottom:14px; }
.tech-note { font-size:0.8rem; color:var(--secondary); font-weight:500; }

/* ===== LANDINGKO VENTURES ===== */
.ventures { padding:var(--sp-section); position:relative; overflow:hidden; }
.ventures::before {
    content:''; position:absolute; top:0; left:0; width:100%; height:100%;
    background:radial-gradient(ellipse at 70% 50%,rgba(6,182,212,0.06) 0%,transparent 60%);
    pointer-events:none;
}
.ventures .container { position:relative; z-index:1; }
.ventures-header { margin-bottom:48px; }
.ventures-featured {
    display:grid; grid-template-columns:1.4fr 1fr; gap:20px; margin-bottom:20px;
}
.ventures-secondary { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
@media (max-width:768px) { .ventures-featured { grid-template-columns:1fr; } }

/* ===== CAREER ===== */
.career { padding:var(--sp-section); }
.career-header { margin-bottom:56px; }
.timeline { position:relative; max-width:860px; margin:0 auto; }
.timeline::before {
    content:''; position:absolute; left:22px; top:0;
    width:2px; height:100%;
    background:linear-gradient(180deg,var(--secondary),var(--primary),transparent);
    border-radius:2px;
}
.timeline-item { position:relative; padding-left:64px; padding-bottom:40px; }
.timeline-marker {
    position:absolute; left:14px; top:6px;
    width:18px; height:18px;
    background:var(--bg-base); border:2px solid var(--secondary);
    border-radius:var(--r-full); z-index:2;
    transition:all var(--t-normal);
}
.timeline-item:hover .timeline-marker { background:var(--secondary); box-shadow:0 0 12px rgba(6,182,212,0.5); }
.timeline-content {
    background:var(--bg-card); border:1px solid var(--border);
    backdrop-filter:blur(12px); border-radius:var(--r-lg);
    padding:22px 26px; transition:all var(--t-normal); cursor:pointer;
}
.timeline-content:hover { border-color:var(--border-h); background:var(--bg-raised); transform:translateX(4px); }
.timeline-clickable { cursor:pointer; }
.timeline-top-row { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:12px; }

.domain-tag { font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:0.5px; padding:3px 10px; border-radius:var(--r-full); background:rgba(99,102,241,0.12); color:var(--primary); }
.domain-public     { background:rgba(16,185,129,0.12); color:#34d399; }
.domain-ecommerce  { background:rgba(245,158,11,0.12);  color:#fbbf24; }
.domain-education  { background:rgba(6,182,212,0.12);   color:var(--secondary); }
.domain-iot        { background:rgba(139,92,246,0.12);  color:#a78bfa; }
.domain-enterprise { background:rgba(99,102,241,0.12);  color:#818cf8; }

.timeline-period { display:flex; align-items:center; gap:5px; font-size:0.78rem; color:var(--text-3); margin-left:auto; }
.timeline-period i { color:var(--secondary); }
.timeline-role { font-size:1.12rem; font-weight:700; color:var(--text-1); margin-bottom:4px; }
.timeline-company { font-size:0.9rem; color:var(--secondary); font-weight:500; margin-bottom:12px; }
.timeline-headline { font-size:0.87rem; color:var(--text-2); font-style:italic; margin-bottom:14px; }
.timeline-skills { display:flex; flex-wrap:wrap; gap:7px; margin-bottom:14px; }
.timeline-detail-btn { display:flex; align-items:center; gap:5px; font-size:0.78rem; color:var(--text-3); transition:color var(--t-fast); }
.timeline-detail-btn:hover { color:var(--secondary); }

@media (max-width:600px) {
    .timeline::before { left:14px; }
    .timeline-item { padding-left:44px; }
    .timeline-marker { left:6px; }
}

/* ===== MINI SECTION ===== */
.mini-section { padding:var(--sp-section); position:relative; overflow:hidden; }
.mini-section::before {
    content:''; position:absolute; bottom:0; right:0;
    width:60%; height:80%;
    background:radial-gradient(ellipse at 80% 80%,rgba(139,92,246,0.07) 0%,transparent 60%);
    pointer-events:none;
}
.mini-section .container { position:relative; z-index:1; }
.mini-header { margin-bottom:48px; }
.mini-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }

/* ===== STACK ===== */
.stack { padding:var(--sp-section); }
#stack-container { display:flex; flex-direction:column; gap:48px; margin-top:48px; }
.skills-category { text-align:center; }
.category-title { font-size:0.95rem; font-weight:700; color:var(--text-2); text-transform:uppercase; letter-spacing:1.5px; margin-bottom:22px; }
.skills-grid { display:flex; flex-wrap:wrap; justify-content:center; gap:16px; }
.skill-item {
    display:flex; flex-direction:column; align-items:center; gap:8px;
    padding:16px 20px;
    background:var(--bg-card); border:1px solid var(--border);
    backdrop-filter:blur(12px); border-radius:var(--r-lg);
    min-width:78px; transition:all var(--t-normal);
}
.skill-item:hover { border-color:var(--border-h); transform:translateY(-3px); background:var(--bg-raised); }
.skill-item i { font-size:1.8rem; }
.skill-name { font-size:0.76rem; color:var(--text-2); font-weight:500; white-space:nowrap; }

/* ===== CREDENTIALS ===== */
.bento-wrapper { padding:var(--sp-section); }
.bento-grid-container { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.bento-cell {
    background:var(--bg-card); border:1px solid var(--border);
    backdrop-filter:blur(12px); border-radius:var(--r-xl); padding:30px;
}
.bento-education { grid-column:1/-1; }
.bento-title { font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:2px; color:var(--secondary); margin-bottom:22px; }

.education-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:18px; }
.education-card {
    display:flex; gap:16px; padding:18px;
    background:var(--bg-surface); border:1px solid var(--border); border-radius:var(--r-lg);
    transition:all var(--t-normal);
}
.education-card:hover { border-color:var(--border-h); }
.education-icon {
    width:50px; height:50px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    border-radius:var(--r-md);
    background:linear-gradient(135deg,var(--secondary),var(--primary));
    color:#fff; font-size:1.25rem;
}
.education-info { flex:1; }
.education-school { font-size:1.05rem; font-weight:700; color:var(--text-1); margin-bottom:4px; }
.education-major  { font-size:0.88rem; color:var(--secondary); font-weight:500; margin-bottom:10px; }
.education-meta   { display:flex; flex-wrap:wrap; gap:12px; }
.education-detail { display:flex; align-items:center; gap:5px; font-size:0.8rem; color:var(--text-3); }
.education-detail i { color:var(--secondary); }

.class-filter { display:flex; flex-wrap:wrap; gap:7px; margin-bottom:16px; }
.class-filter-chip {
    display:inline-flex; align-items:center; gap:5px;
    padding:4px 12px; background:var(--bg-surface); border:1px solid var(--border);
    border-radius:var(--r-full); color:var(--text-2); font-size:0.75rem; font-weight:500;
    cursor:pointer; transition:all var(--t-fast);
}
.class-filter-chip:hover { border-color:var(--accent); color:var(--accent); }
.class-filter-chip.active { background:rgba(139,92,246,0.12); border-color:var(--accent); color:var(--accent); }
.class-empty { text-align:center; padding:20px; color:var(--text-3); }

.class-list {
    display:flex; flex-direction:column; gap:8px;
    max-height:340px; overflow-y:auto;
    scrollbar-width:thin; scrollbar-color:var(--border) transparent;
}
.class-item {
    display:flex; align-items:center; gap:12px; padding:12px 14px;
    background:var(--bg-surface); border:1px solid var(--border); border-radius:var(--r-md);
    transition:all var(--t-fast);
}
.class-item:hover { border-color:var(--border-h); }
.class-icon {
    width:34px; height:34px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    background:linear-gradient(135deg,var(--accent),#7c3aed);
    color:#fff; border-radius:var(--r-sm); font-size:0.85rem;
}
.class-info { flex:1; }
.class-name { font-size:0.86rem; font-weight:500; color:var(--text-1); line-height:1.35; }
.class-institution { font-size:0.76rem; color:var(--text-3); }
.class-year { font-size:0.78rem; color:var(--secondary); font-weight:600; white-space:nowrap; }

.languages-grid { display:flex; flex-direction:column; gap:14px; }
.language-card { display:flex; align-items:center; gap:12px; padding:12px 0; border-bottom:1px solid var(--border); }
.language-card:last-child { border-bottom:none; }
.language-icon { font-size:1.5rem; }
.language-info { flex:1; }
.language-name  { font-size:0.9rem; font-weight:600; color:var(--text-1); }
.language-level { font-size:0.78rem; color:var(--text-3); }
.language-progress { display:flex; align-items:center; gap:8px; }
.progress-bar { width:80px; height:4px; background:var(--bg-surface); border-radius:var(--r-full); overflow:hidden; }
.progress-fill { height:100%; background:linear-gradient(90deg,var(--secondary),var(--primary)); border-radius:var(--r-full); transition:width var(--t-slow); }
.progress-value { font-size:0.76rem; color:var(--text-3); width:34px; }

.interests-list { display:flex; flex-direction:column; gap:10px; }
.interest-item { display:flex; align-items:center; gap:12px; padding:9px 0; border-bottom:1px solid var(--border); }
.interest-item:last-child { border-bottom:none; }
.interest-icon { width:30px; height:30px; display:flex; align-items:center; justify-content:center; border-radius:var(--r-sm); background:var(--bg-surface); color:var(--secondary); font-size:0.88rem; flex-shrink:0; }
.interest-label { font-size:0.87rem; font-weight:600; color:var(--text-1); flex:1; }
.interest-note  { font-size:0.76rem; color:var(--text-3); }

.about-text { font-size:0.94rem; color:var(--text-2); line-height:1.78; }

@media (max-width:768px) {
    .bento-grid-container { grid-template-columns:1fr; }
    .bento-education { grid-column:auto; }
    .education-grid { grid-template-columns:1fr; }
}

/* ===== CONTACT ===== */
.contact { padding:var(--sp-section); position:relative; overflow:hidden; }
.contact::before {
    content:''; position:absolute; top:-20%; left:50%; transform:translateX(-50%);
    width:80%; height:100%;
    background:radial-gradient(ellipse at 50% 0%,rgba(99,102,241,0.08) 0%,transparent 60%);
    pointer-events:none;
}
.contact .container { position:relative; z-index:1; }
.contact-header { text-align:center; margin-bottom:56px; }
.contact-header .section-subline { margin:0 auto; }

.contact-container { display:grid; grid-template-columns:1fr 1.6fr; gap:40px; max-width:900px; margin:0 auto; }
.contact-info { display:flex; flex-direction:column; gap:20px; }
.contact-text { font-size:0.86rem; color:var(--text-3); text-transform:uppercase; letter-spacing:1px; }
.contact-email {
    display:inline-flex; align-items:center; gap:10px;
    padding:14px 18px; border:1px solid var(--border); border-radius:var(--r-lg);
    color:var(--text-1); font-size:0.9rem; font-weight:500;
    background:var(--bg-surface); transition:all var(--t-normal); word-break:break-all;
}
.contact-email:hover { border-color:var(--secondary); color:var(--secondary); }
.contact-social { display:flex; gap:10px; }

.contact-form {
    background:var(--bg-card); border:1px solid var(--border);
    backdrop-filter:blur(12px); border-radius:var(--r-xl); padding:30px;
    display:flex; flex-direction:column; gap:18px;
}
.form-group { display:flex; flex-direction:column; gap:6px; }
.form-group label { font-size:0.8rem; color:var(--text-2); font-weight:500; }
.form-group input, .form-group textarea {
    padding:11px 15px; background:var(--bg-surface);
    border:1px solid var(--border); border-radius:var(--r-md);
    color:var(--text-1); font-size:0.9rem;
    transition:all var(--t-fast); resize:vertical;
}
.form-group input::placeholder, .form-group textarea::placeholder { color:var(--text-3); }
.form-group input:focus, .form-group textarea:focus { outline:none; border-color:var(--secondary); background:var(--bg-raised); }
.form-status { font-size:0.86rem; text-align:center; }
.form-status.success { color:#34d399; }
.form-status.error   { color:#f87171; }

@media (max-width:700px) { .contact-container { grid-template-columns:1fr; } }

/* ===== FOOTER ===== */
.footer { border-top:1px solid var(--border); padding:28px 0; }
.footer-content { text-align:center; }
.footer-copy { font-size:0.83rem; color:var(--text-3); }

/* ===== SCROLL TOP ===== */
.scroll-top {
    position:fixed; bottom:28px; right:28px;
    width:44px; height:44px;
    display:flex; align-items:center; justify-content:center;
    border-radius:var(--r-full);
    background:linear-gradient(135deg,var(--primary),var(--accent));
    color:#fff; font-size:1rem;
    box-shadow:0 4px 16px rgba(99,102,241,0.4);
    opacity:0; visibility:hidden; transform:translateY(10px);
    transition:all var(--t-normal); z-index:90;
}
.scroll-top.show { opacity:1; visibility:visible; transform:translateY(0); }
.scroll-top:hover { transform:translateY(-3px); }

/* ===== MODAL ===== */
.detail-modal-overlay {
    position:fixed; inset:0;
    background:rgba(2,6,23,0.8);
    backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
    z-index:var(--z-modal);
    display:flex; align-items:center; justify-content:center;
    padding:20px;
    opacity:0; visibility:hidden;
    transition:all var(--t-normal);
}
.detail-modal-overlay.show { opacity:1; visibility:visible; }
[data-theme="light"] .detail-modal-overlay { background:rgba(15,23,42,0.6); }

.detail-modal {
    background:#0d1526; border:1px solid var(--border);
    border-radius:var(--r-xl);
    width:100%; max-width:640px; max-height:88vh;
    overflow-y:auto; transform:scale(0.95) translateY(20px);
    transition:all var(--t-normal);
    scrollbar-width:thin; scrollbar-color:var(--border) transparent;
}
[data-theme="light"] .detail-modal { background:#ffffff; }
.detail-modal-overlay.show .detail-modal { transform:scale(1) translateY(0); }

.detail-modal-header { padding:26px 26px 18px; border-bottom:1px solid var(--border); position:relative; }
.detail-modal-header-meta { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:10px; }
.detail-header-badge { display:inline-flex; align-items:center; gap:5px; padding:4px 12px; border-radius:var(--r-full); background:rgba(99,102,241,0.12); color:var(--primary); font-size:0.76rem; font-weight:600; }
.detail-client-label { display:inline-flex; align-items:center; padding:4px 12px; border-radius:var(--r-full); background:var(--bg-surface); color:var(--text-2); font-size:0.76rem; }
.detail-kind-status  { display:inline-flex; align-items:center; padding:4px 12px; border-radius:var(--r-full); background:var(--bg-surface); color:var(--text-3); font-size:0.76rem; }
.detail-header-period{ display:inline-flex; align-items:center; gap:5px; padding:4px 12px; border-radius:var(--r-full); background:var(--bg-surface); color:var(--text-3); font-size:0.76rem; }
.detail-modal-title    { font-size:1.35rem; font-weight:700; color:var(--text-1); margin-bottom:4px; line-height:1.3; }
.detail-modal-subtitle { font-size:0.9rem; color:var(--secondary); font-weight:500; }
.detail-modal-close {
    position:absolute; top:18px; right:18px;
    width:32px; height:32px;
    display:flex; align-items:center; justify-content:center;
    border-radius:var(--r-full); background:var(--bg-surface);
    border:1px solid var(--border); color:var(--text-2); font-size:0.88rem;
    transition:all var(--t-fast);
}
.detail-modal-close:hover { color:var(--text-1); border-color:var(--border-h); }

.detail-modal-body { padding:22px 26px 26px; }
.detail-section-label { font-size:0.7rem; font-weight:700; text-transform:uppercase; letter-spacing:1.5px; color:var(--text-3); margin-bottom:8px; }
.detail-modal-desc   { font-size:0.9rem; color:var(--text-2); line-height:1.75; }
.detail-modal-impact { font-size:0.9rem; color:var(--text-2); line-height:1.7; font-style:italic; }
.detail-modal-skills { display:flex; flex-wrap:wrap; gap:7px; margin-bottom:4px; }
.detail-modal-divider{ height:1px; background:var(--border); margin:16px 0; }
.detail-modal-link {
    display:inline-flex; align-items:center; gap:8px;
    padding:10px 22px; border:1px solid var(--secondary);
    border-radius:var(--r-full); color:var(--secondary); font-size:0.87rem; font-weight:600;
    transition:all var(--t-normal);
}
.detail-modal-link:hover { background:var(--secondary); color:var(--bg-base); }
.detail-headline { font-size:0.88rem; color:var(--text-2); font-style:italic; }
.detail-domain-tag { display:inline-flex; padding:3px 10px; border-radius:var(--r-full); font-size:0.7rem; font-weight:700; text-transform:uppercase; letter-spacing:0.5px; }

@media (max-width:480px) {
    :root { --sp-section:72px 0; }
    .section-title { font-size:1.6rem; }
    .detail-modal { margin:10px; }
    .hero-headline { font-size:1.7rem; }
}