/* ═══════════════════════════════════════════
   TOPOLOGY — h3ct0rjs.dev
   Dark, wave-grid background · Glass panels
   ═══════════════════════════════════════════ */

:root {
    /* Palette */
    --bg:          #030d1a;
    --glass:       rgba(4, 18, 40, 0.72);
    --glass-hover: rgba(6, 24, 54, 0.85);
    --electric:    #00a8ff;
    --electric-d:  #0077cc;
    --glow:        rgba(0, 168, 255, 0.28);
    --glow-sm:     rgba(0, 168, 255, 0.12);
    --indigo:      #818cf8;
    --text:        #d0e4f7;
    --text-dim:    #4a6882;
    --border:      rgba(0, 168, 255, 0.13);
    --border-h:    rgba(0, 168, 255, 0.32);

    /* Type */
    --f-sans:  'Manrope', system-ui, sans-serif;
    --f-mono:  'JetBrains Mono', monospace;

    /* Easing */
    --ease:    cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in: cubic-bezier(0.55, 0, 1, 0.45);
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--f-sans);
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Three.js canvas */
#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* Scanline atmosphere */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image: repeating-linear-gradient(
        to bottom,
        transparent,
        transparent 3px,
        rgba(0, 0, 0, 0.035) 3px,
        rgba(0, 0, 0, 0.035) 4px
    );
}

/* Vignette over canvas */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 60% at 50% 50%, transparent 30%, rgba(3,13,26,0.55) 100%),
        linear-gradient(to bottom, rgba(3,13,26,0.4) 0%, transparent 15%, transparent 85%, rgba(3,13,26,0.6) 100%);
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 28px;
    position: relative;
    z-index: 2;
}

/* ── Scrollbar ─────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--electric-d); border-radius: 2px; }

/* ── Progress bar ──────────────────────────── */
.progress-bar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--electric), var(--indigo));
    transform-origin: left;
    transform: scaleX(0);
    z-index: 999;
    box-shadow: 0 0 8px var(--glow);
}

/* ── Nav ───────────────────────────────────── */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    transition: background 0.3s, backdrop-filter 0.3s;
}

.nav.scrolled {
    background: rgba(3, 13, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 28px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--f-mono);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--electric);
    text-decoration: none;
    letter-spacing: 0.04em;
    text-shadow: 0 0 16px var(--glow);
    transition: text-shadow 0.2s;
}

.nav-logo:hover { text-shadow: 0 0 28px var(--glow), 0 0 60px var(--glow); }
.nav-logo-bracket { opacity: 0.5; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-links a {
    font-family: var(--f-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-decoration: none;
    color: var(--text-dim);
    padding: 6px 14px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--electric);
    background: var(--glow-sm);
}

.nav-cta {
    color: var(--electric) !important;
    border: 1px solid var(--border-h) !important;
    box-shadow: 0 0 12px var(--glow-sm);
}

.nav-cta:hover {
    background: var(--glow-sm) !important;
    box-shadow: 0 0 20px var(--glow) !important;
}

.nav-burger {
    display: none;
    background: none;
    border: none;
    color: var(--electric);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 8px;
}

/* ── Buttons ───────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    font-family: var(--f-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.25s var(--ease);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn:hover::after { opacity: 1; }

.btn-primary {
    background: var(--electric);
    color: #020d1a;
    font-weight: 700;
    box-shadow: 0 0 20px var(--glow);
}

.btn-primary:hover {
    background: #22bbff;
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--glow), 0 0 50px var(--glow-sm);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-h);
}

.btn-ghost:hover {
    border-color: var(--electric);
    color: var(--electric);
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--glow-sm);
}

.btn-block { width: 100%; justify-content: center; }

/* ── Hero ──────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 64px;
    position: relative;
    z-index: 2;
}

.hero-container {
    display: block;
    max-width: 820px;
    padding: 100px 0 120px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 28px;
}

.tag-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 8px rgba(34,197,94,0.8);
    animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
    0%,100% { box-shadow: 0 0 6px rgba(34,197,94,0.7); }
    50%      { box-shadow: 0 0 16px rgba(34,197,94,1); }
}

.hero-name {
    font-size: clamp(3.2rem, 8vw, 7.5rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.025em;
    color: #ffffff;
    margin-bottom: 24px;
    overflow: hidden;
}

.hero-name-line {
    display: block;
    text-shadow: 0 0 60px rgba(0,168,255,0.18);
}


.hero-descriptor {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    color: var(--text-dim);
    margin-bottom: 18px;
    text-transform: uppercase;
}

/* Pereira coordinates */
.hero-coords {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.hc-line {
    flex: 1;
    max-width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,168,255,0.2));
}

.hc-line:last-child {
    background: linear-gradient(90deg, rgba(0,168,255,0.2), transparent);
}

.hc-text {
    font-family: var(--f-mono);
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    color: rgba(0, 168, 255, 0.28);
    text-transform: uppercase;
    white-space: nowrap;
}

.hero-role {
    font-family: var(--f-mono);
    font-size: 0.9rem;
    color: var(--electric);
    margin-bottom: 24px;
    min-height: 1.4em;
    display: flex;
    align-items: center;
    gap: 4px;
    text-shadow: 0 0 12px var(--glow);
}

.role-prefix { opacity: 0.45; }
.role-cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}


/* Hero avatar */
.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-frame {
    position: relative;
    width: 280px;
    height: 280px;
}

.avatar-glow {
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
    animation: glow-breathe 4s ease-in-out infinite;
}

@keyframes glow-breathe {
    0%,100% { opacity: 0.5; transform: scale(1); }
    50%      { opacity: 1;   transform: scale(1.05); }
}

.avatar-img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 2px solid var(--border-h);
    position: relative;
    z-index: 2;
    box-shadow: 0 0 40px var(--glow), 0 20px 60px rgba(0,0,0,0.5);
    display: block;
}

.avatar-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--electric);
    opacity: 0.25;
    animation: ring-spin 14s linear infinite;
    z-index: 1;
}

.avatar-ring--1 { inset: -14px; }
.avatar-ring--2 {
    inset: -28px;
    border-style: dashed;
    border-color: var(--indigo);
    opacity: 0.2;
    animation-duration: 22s;
    animation-direction: reverse;
}

@keyframes ring-spin { to { transform: rotate(360deg); } }

.avatar-status {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--f-mono);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: #020d1a;
    background: #22c55e;
    padding: 3px 12px;
    border-radius: 12px;
    white-space: nowrap;
    z-index: 3;
    box-shadow: 0 0 14px rgba(34,197,94,0.5);
}

.status-dot {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #020d1a;
    margin-right: 4px;
    vertical-align: middle;
}

/* Scroll hint */
.hero-scroll-hint {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
    font-family: var(--f-mono);
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-dim);
    animation: float-hint 2.5s ease-in-out infinite;
}

.scroll-mouse {
    width: 20px; height: 30px;
    border: 1px solid var(--border-h);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    padding-top: 5px;
}

.scroll-wheel {
    width: 3px; height: 6px;
    background: var(--electric);
    border-radius: 2px;
    animation: wheel-scroll 1.8s ease-in-out infinite;
    box-shadow: 0 0 6px var(--glow);
}

@keyframes float-hint {
    0%,100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(8px); }
}

@keyframes wheel-scroll {
    0%   { opacity: 1;   transform: translateY(0); }
    80%  { opacity: 0;   transform: translateY(10px); }
    100% { opacity: 0;   transform: translateY(0); }
}

/* ── Section common ────────────────────────── */
.section {
    padding: 72px 0;
    position: relative;
    z-index: 2;
}

/* Section header */
.sh {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 72px;
    overflow: visible;
    position: relative;
}

/* Ghost number injected by JS */
.sh-ghost {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--f-mono);
    font-size: clamp(5rem, 11vw, 9.5rem);
    font-weight: 800;
    color: var(--electric);
    opacity: 0.04;
    letter-spacing: -0.05em;
    line-height: 1;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
}

.sh-num {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    color: var(--electric);
    letter-spacing: 0.06em;
    opacity: 0.7;
    flex-shrink: 0;
}

.sh-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
    line-height: 1;
    flex-shrink: 0;
    text-shadow: 0 0 40px rgba(0,168,255,0.1);
}

/* Wipe animation (GSAP) */
.reveal-wipe { clip-path: inset(0 100% 0 0); }

/* Reveal animation (GSAP) */
.reveal { opacity: 0; transform: translateY(32px); }

/* Glass card mixin */
.glass {
    background: var(--glass);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: 10px;
}

/* ── About ─────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 56px;
    align-items: start;
}

.about-body p {
    font-size: 1.05rem;
    line-height: 1.85;
    color: rgba(208,228,247,0.75);
    margin-bottom: 20px;
}

.edu-stack {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.edu-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 14px 16px;
    backdrop-filter: blur(10px);
    transition: border-color 0.2s;
}

.edu-card:hover { border-color: var(--border-h); }

.edu-icon {
    color: var(--electric);
    font-size: 0.85rem;
    margin-top: 2px;
    flex-shrink: 0;
    text-shadow: 0 0 8px var(--glow);
}

.edu-title {
    display: block;
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--text);
}

.edu-sub {
    display: block;
    font-family: var(--f-mono);
    font-size: 0.66rem;
    color: var(--text-dim);
    margin-top: 3px;
}

/* Info panel */
.about-panel {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 10px;
    backdrop-filter: blur(14px);
    overflow: hidden;
    box-shadow: 0 0 40px var(--glow-sm);
}

.panel-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}

.panel-row:last-child { border-bottom: none; }
.panel-row:hover { background: var(--glow-sm); }

.pr-k {
    font-family: var(--f-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--electric);
    min-width: 68px;
    text-transform: uppercase;
}

.pr-v {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pr-link {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--indigo);
    text-decoration: none;
    transition: color 0.2s, text-shadow 0.2s;
}

.pr-link:hover {
    color: var(--electric);
    text-shadow: 0 0 10px var(--glow);
}

.live-dot {
    display: inline-block;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 8px rgba(34,197,94,0.7);
    animation: pulse-green 2s ease-in-out infinite;
}

/* ── Experience ────────────────────────────── */
.xp-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: 52px;
}

/* Vertical timeline spine */
.xp-list::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 28px;
    bottom: 28px;
    width: 1px;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(0,168,255,0.4) 8%,
        rgba(129,140,248,0.3) 50%,
        rgba(0,168,255,0.4) 92%,
        transparent 100%
    );
}

.xp-item {
    position: relative;
    padding-bottom: 28px;
}

.xp-item:last-child { padding-bottom: 0; }

/* Timeline node */
.xp-item::before {
    content: '';
    position: absolute;
    left: -44px;
    top: 22px;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--electric);
    box-shadow: 0 0 14px var(--glow), 0 0 28px rgba(0,168,255,0.15);
    z-index: 1;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.xp-item:hover::before {
    border-color: #22bbff;
    box-shadow: 0 0 20px var(--glow), 0 0 40px rgba(0,168,255,0.25);
}

.xp-item-inner {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 32px;
    align-items: start;
}

.xp-aside {
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}

.xp-date {
    font-family: var(--f-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    text-align: right;
    letter-spacing: 0.02em;
}

.xp-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px;
    backdrop-filter: blur(14px);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
}

.xp-card:hover {
    border-color: var(--border-h);
    box-shadow: 0 8px 40px rgba(0,0,0,0.3), 0 0 30px var(--glow-sm);
    transform: translateY(-3px);
}

.xp-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
}

.xp-company {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--electric);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.xp-list-items {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 20px;
}

.xp-list-items li {
    font-size: 0.93rem;
    line-height: 1.6;
    color: rgba(208,228,247,0.65);
    padding-left: 18px;
    position: relative;
}

.xp-list-items li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--electric);
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.4;
}

.xp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.xp-tags span {
    font-family: var(--f-mono);
    font-size: 0.67rem;
    color: var(--electric);
    background: var(--glow-sm);
    border: 1px solid var(--border);
    padding: 3px 10px;
    border-radius: 3px;
    letter-spacing: 0.03em;
    transition: border-color 0.2s, background 0.2s;
}

.xp-tags span:hover {
    border-color: var(--border-h);
    background: var(--glow);
}

/* CMT timeline node */
.xp-item--cmt::before {
    border-color: #22c55e;
    box-shadow: 0 0 14px rgba(34,197,94,0.4);
}

/* UNI timeline node — amber */
.xp-item--uni::before {
    border-color: #d97706;
    box-shadow: 0 0 14px rgba(217,119,6,0.4);
}

/* ── Skills ────────────────────────────────── */
.sk-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.sk-cat {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    backdrop-filter: blur(14px);
    transition: border-color 0.3s, transform 0.3s var(--ease);
}

.sk-cat:hover {
    border-color: var(--border-h);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 20px var(--glow-sm);
}

.sk-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.sk-head i {
    color: var(--electric);
    font-size: 0.88rem;
    text-shadow: 0 0 8px var(--glow);
}

.sk-head h3 {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text);
}

.sk-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.sk-pills span {
    font-family: var(--f-mono);
    font-size: 0.71rem;
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 4px 11px;
    border-radius: 4px;
    cursor: default;
    transition: all 0.2s var(--ease);
    letter-spacing: 0.02em;
}

.sk-pills span:hover {
    color: var(--electric);
    border-color: var(--border-h);
    background: var(--glow-sm);
    text-shadow: 0 0 8px var(--glow);
    transform: translateY(-2px);
}

/* Per-category skill pill accent colors */
.sk-cat:nth-child(1) .sk-pills span:hover { color: #00a8ff; border-color: rgba(0,168,255,0.4); }
.sk-cat:nth-child(2) .sk-pills span:hover { color: #818cf8; border-color: rgba(129,140,248,0.4); text-shadow: 0 0 8px rgba(129,140,248,0.4); }
.sk-cat:nth-child(3) .sk-pills span:hover { color: #22d3ee; border-color: rgba(34,211,238,0.4); text-shadow: 0 0 8px rgba(34,211,238,0.3); }
.sk-cat:nth-child(4) .sk-pills span:hover { color: #f59e0b; border-color: rgba(245,158,11,0.4); text-shadow: 0 0 8px rgba(245,158,11,0.3); }
.sk-cat:nth-child(5) .sk-pills span:hover { color: #c084fc; border-color: rgba(192,132,252,0.4); text-shadow: 0 0 8px rgba(192,132,252,0.3); }
.sk-cat:nth-child(6) .sk-pills span:hover { color: #f87171; border-color: rgba(248,113,113,0.4); text-shadow: 0 0 8px rgba(248,113,113,0.3); }
.sk-cat:nth-child(7) .sk-pills span:hover { color: #4ade80; border-color: rgba(74,222,128,0.4); text-shadow: 0 0 8px rgba(74,222,128,0.3); }
.sk-cat:nth-child(8) .sk-pills span:hover { color: #fb923c; border-color: rgba(251,146,60,0.4); text-shadow: 0 0 8px rgba(251,146,60,0.3); }
.sk-cat:nth-child(9) .sk-pills span:hover { color: #38bdf8; border-color: rgba(56,189,248,0.4); text-shadow: 0 0 8px rgba(56,189,248,0.3); }

/* Category header accent colors */
.sk-cat:nth-child(1) .sk-head i { color: #00a8ff; }
.sk-cat:nth-child(2) .sk-head i { color: #818cf8; text-shadow: 0 0 8px rgba(129,140,248,0.5); }
.sk-cat:nth-child(3) .sk-head i { color: #22d3ee; text-shadow: 0 0 8px rgba(34,211,238,0.4); }
.sk-cat:nth-child(4) .sk-head i { color: #f59e0b; text-shadow: 0 0 8px rgba(245,158,11,0.4); }
.sk-cat:nth-child(5) .sk-head i { color: #c084fc; text-shadow: 0 0 8px rgba(192,132,252,0.4); }
.sk-cat:nth-child(6) .sk-head i { color: #f87171; text-shadow: 0 0 8px rgba(248,113,113,0.4); }
.sk-cat:nth-child(7) .sk-head i { color: #4ade80; text-shadow: 0 0 8px rgba(74,222,128,0.4); }
.sk-cat:nth-child(8) .sk-head i { color: #fb923c; text-shadow: 0 0 8px rgba(251,146,60,0.4); }
.sk-cat:nth-child(9) .sk-head i { color: #38bdf8; text-shadow: 0 0 8px rgba(56,189,248,0.4); }

/* ── Projects ──────────────────────────────── */
.pj-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.pj-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px;
    backdrop-filter: blur(14px);
    transition: all 0.35s var(--ease);
    position: relative;
    overflow: hidden;
}

.pj-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--glow-sm) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

/* Laser sweep on hover */
.pj-card::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 168, 255, 0.06),
        transparent
    );
    transform: skewX(-20deg);
    transition: left 0.55s var(--ease);
    pointer-events: none;
}

.pj-card:hover::after { left: 160%; }

.pj-card:hover {
    border-color: var(--border-h);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px var(--glow-sm);
}

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

.pj-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    position: relative;
}

.pj-id {
    font-family: var(--f-mono);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    color: var(--text-dim);
}

.pj-icon {
    font-size: 1rem;
    color: var(--electric);
    text-shadow: 0 0 12px var(--glow);
}

.pj-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
    position: relative;
}

.pj-desc {
    font-size: 0.9rem;
    line-height: 1.65;
    color: rgba(208,228,247,0.6);
    margin-bottom: 20px;
    position: relative;
}

.pj-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    position: relative;
}

.pj-footer span {
    font-family: var(--f-mono);
    font-size: 0.65rem;
    color: var(--indigo);
    background: rgba(129,140,248,0.07);
    border: 1px solid rgba(129,140,248,0.2);
    padding: 3px 9px;
    border-radius: 3px;
    letter-spacing: 0.03em;
}

.pj-link {
    margin-left: auto;
    color: var(--text-dim);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.2s;
}

.pj-link:hover { color: var(--electric); }


/* ── Contact ───────────────────────────────── */
.ct-center {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}

.ct-tagline {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(208,228,247,0.7);
    margin-bottom: 36px;
}

.ct-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.ct-link {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--text);
    font-family: var(--f-mono);
    font-size: 0.82rem;
    padding: 12px 16px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 7px;
    backdrop-filter: blur(10px);
    transition: all 0.2s var(--ease);
}

.ct-icon {
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glow-sm);
    border-radius: 6px;
    color: var(--electric);
    font-size: 0.9rem;
    text-shadow: 0 0 8px var(--glow);
    flex-shrink: 0;
}

.ct-link:hover {
    border-color: var(--border-h);
    background: var(--glass-hover);
    transform: translateX(6px);
    box-shadow: 0 0 20px var(--glow-sm);
}


/* ── Certifications ────────────────────────── */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.cert-card {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 22px 24px;
    backdrop-filter: blur(14px);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
}

.cert-card:hover {
    border-color: var(--border-h);
    box-shadow: 0 8px 40px rgba(0,0,0,0.3), 0 0 30px var(--glow-sm);
    transform: translateY(-3px);
}

.cert-icon {
    font-size: 1.6rem;
    color: var(--electric);
    min-width: 36px;
    padding-top: 2px;
}

.cert-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cert-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

.cert-issuer {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    color: var(--electric);
    letter-spacing: 0.02em;
}

.cert-tag {
    font-family: var(--f-mono);
    font-size: 0.65rem;
    color: var(--text-dim);
    background: var(--glow-sm);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 3px;
    width: fit-content;
    margin-top: 4px;
}

/* Planned cert divider */
.cert-planned-label {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 32px 0 20px;
}

.cpl-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245,158,11,0.3), transparent);
}

.cpl-text {
    font-family: var(--f-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    color: #f59e0b;
    text-transform: uppercase;
}

/* Planned cert card */
.cert-card--planned {
    border-style: dashed;
    opacity: 0.85;
}

.cert-card--planned .cert-icon {
    color: #f59e0b;
}

.cert-tag--planned {
    color: #f59e0b;
    border-color: rgba(245,158,11,0.3);
    background: rgba(245,158,11,0.06);
}

/* ── Footer ────────────────────────────────── */
.footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border);
    padding: 28px 0;
    background: rgba(3, 10, 22, 0.8);
    backdrop-filter: blur(10px);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.55);
}

.footer-copy, .footer-loc {
    font-family: var(--f-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.04em;
}

.footer-version {
    font-family: var(--f-mono);
    font-size: 0.65rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.fv-tag {
    color: var(--electric);
    border: 1px solid rgba(0,168,255,0.25);
    padding: 2px 7px;
    border-radius: 3px;
    background: rgba(0,168,255,0.06);
}

.fv-sep { color: var(--text-dim); }

.fv-commit {
    color: var(--text-dim);
    opacity: 0.6;
}

/* ── Responsive ────────────────────────────── */
@media (max-width: 1024px) {
    .sk-grid  { grid-template-columns: repeat(2, 1fr); }
    .pj-grid  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
    .xp-list         { padding-left: 32px; }
    .xp-item::before { left: -28px; }
    .xp-item-inner   { grid-template-columns: 1fr; gap: 12px; }
    .xp-aside        { flex-direction: row; align-items: center; padding-top: 0; }
}

@media (max-width: 768px) {
    body { font-size: 15px; }

    #bg-canvas   { display: none; }
    body::before { display: none; }

    .container { padding: 0 16px; }

    .section { padding: 48px 0; }

    .sh { margin-bottom: 40px; }

    .nav-links      { display: none; }
    .nav-burger     { display: block; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px; left: 0; right: 0;
        background: rgba(3,13,26,0.97);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 16px 16px;
        gap: 12px;
    }

    .hero-container  { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 72px; }
    .hero-right      { order: -1; }
    .avatar-frame, .avatar-img { width: 200px; height: 200px; }

    .about-grid   { grid-template-columns: 1fr; gap: 32px; }
    .about-avatar { display: none; }

    .xp-list         { padding-left: 28px; }
    .xp-item::before { left: -22px; }
    .xp-card         { padding: 20px; }

    .sk-grid  { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .sk-cat   { padding: 18px; }

    .pj-grid  { grid-template-columns: 1fr; gap: 14px; }
    .pj-card  { padding: 20px; }

    .cert-grid { grid-template-columns: 1fr; gap: 14px; }
    .cert-card { padding: 18px 20px; }

    .ct-center { text-align: left; }
    .ct-links  { grid-template-columns: 1fr; }

    .footer-inner { justify-content: center; text-align: center; }
    .footer-version { justify-content: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 12px; }

    .section { padding: 36px 0; }

    .sh { margin-bottom: 28px; }

    .hero-name    { font-size: 2.4rem; }
    .hero-container { padding: 44px 0 60px; }
    .hero-actions { flex-direction: column; }
    .btn          { justify-content: center; width: 100%; }

    .xp-list         { padding-left: 24px; }
    .xp-item::before { left: -18px; width: 11px; height: 11px; }
    .xp-list::before { left: 8px; }

    .sk-grid { grid-template-columns: 1fr; gap: 10px; }

    .cert-grid { gap: 10px; }
}