/* ============================================================
   Markuss Šube — Modern Portfolio
   ============================================================ */

:root {
    --bg: #030405;
    --bg-soft: #07080b;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-strong: rgba(255, 255, 255, 0.055);
    --border: rgba(255, 255, 255, 0.09);
    --text: #e7e9f0;
    --text-dim: #838a9c;
    --accent: #ff6a2c;
    --accent-2: #ffb648;
    --accent-3: #ff3d3d;
    --gradient: linear-gradient(120deg, var(--accent), var(--accent-2) 60%, var(--accent-3));
    --font-head: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
    --radius: 3px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    cursor: none;
    line-height: 1.6;
}

@media (max-width: 900px), (hover: none) {
    body { cursor: auto; }
    .cursor-dot, .cursor-ring { display: none; }
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }

img, svg { display: block; max-width: 100%; }

/* ---------- Preloader ---------- */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 20000;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
    /* Pure-CSS guarantee that this overlay goes away even if JS never runs/
       throws on some device. Only touches `display` (never `opacity`/
       `visibility`, which the .hidden transition above already owns) so it
       can't fight with that transition or leave a half-faded composited
       layer behind - it's either fully shown or fully gone, no in-between. */
    animation: forceHidePreloader 0.01s 4s forwards;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
@keyframes forceHidePreloader { to { display: none; } }
.preloader-inner { text-align: center; }
.preloader-mark {
    display: block;
    font-family: var(--font-head);
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: 4px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 22px;
    animation: pulseMark 1.6s ease-in-out infinite;
}
@keyframes pulseMark { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.preloader-bar {
    width: 220px;
    height: 2px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}
.preloader-bar span {
    display: block;
    height: 100%;
    width: 0%;
    background: var(--gradient);
    transition: width 0.2s ease;
}
.preloader-pct {
    display: block;
    margin-top: 14px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--text-dim);
    font-family: var(--font-head);
}

/* ---------- Background layers ---------- */
#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    display: block;
}

/* Blueprint / schematic grid */
.blueprint-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(120, 140, 190, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 140, 190, 0.045) 1px, transparent 1px),
        linear-gradient(rgba(120, 140, 190, 0.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 140, 190, 0.09) 1px, transparent 1px);
    background-size: 44px 44px, 44px 44px, 220px 220px, 220px 220px;
    -webkit-mask-image: radial-gradient(ellipse at 50% 35%, black 0%, black 40%, transparent 82%);
    mask-image: radial-gradient(ellipse at 50% 35%, black 0%, black 40%, transparent 82%);
}

/* ---------- Idle robotic arm decoration ---------- */
.robo-arm {
    position: fixed;
    z-index: 0;
    pointer-events: none;
    right: 3vw;
    bottom: -14px;
    width: 210px;
    height: 340px;
    color: var(--accent-2);
    opacity: 0.5;
    filter: drop-shadow(0 0 22px rgba(255, 182, 72, 0.35));
}
.robo-base {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 22px;
    border-radius: 8px 8px 3px 3px;
    background: currentColor;
}
.robo-base::before {
    content: '';
    position: absolute;
    top: -6px; left: 50%;
    width: 46px; height: 10px;
    transform: translateX(-50%);
    border-radius: 4px;
    background: currentColor;
    opacity: 0.8;
}
.robo-arm1 {
    position: absolute;
    bottom: 20px;
    left: 50%;
    width: 16px;
    height: 148px;
    margin-left: -8px;
    border-radius: 8px;
    background: currentColor;
    transform-origin: bottom center;
    transform: rotate(-14deg);
    animation: armSwing 9s ease-in-out infinite;
}
.robo-arm1::after {
    content: '';
    position: absolute;
    bottom: -6px; left: 50%;
    width: 16px; height: 16px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 10px currentColor;
}
.robo-arm2 {
    position: absolute;
    top: -4px;
    left: 50%;
    width: 12px;
    height: 118px;
    margin-left: -6px;
    border-radius: 6px;
    background: currentColor;
    transform-origin: top center;
    transform: rotate(22deg);
    animation: armBend 9s ease-in-out infinite;
}
.robo-arm2::before {
    content: '';
    position: absolute;
    top: -5px; left: 50%;
    width: 14px; height: 14px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 8px currentColor;
}
.robo-claw {
    position: absolute;
    top: 100%;
    left: 50%;
    width: 1px;
    height: 1px;
}
.robo-claw .finger {
    position: absolute;
    top: 0;
    width: 6px;
    height: 30px;
    background: currentColor;
    border-radius: 4px;
    transform-origin: top center;
}
.finger.f1 { left: -13px; transform: rotate(20deg); animation: clawOpen1 9s ease-in-out infinite; }
.finger.f2 { left: 7px; transform: rotate(-20deg); animation: clawOpen2 9s ease-in-out infinite; }

@keyframes armSwing {
    0%, 100% { transform: rotate(-14deg); }
    50% { transform: rotate(12deg); }
}
@keyframes armBend {
    0%, 100% { transform: rotate(22deg); }
    50% { transform: rotate(-16deg); }
}
@keyframes clawOpen1 {
    0%, 100% { transform: rotate(20deg); }
    50% { transform: rotate(8deg); }
}
@keyframes clawOpen2 {
    0%, 100% { transform: rotate(-20deg); }
    50% { transform: rotate(-8deg); }
}

/* ---------- Robotic arm: periodic wave gesture ---------- */
/* The shoulder segment (arm1) barely moves - just a slight settle - so the arm
   doesn't read as swinging sideways. Almost all of the motion happens at the
   elbow (arm2), which bends through a wide angle (its own hinge, so a big swing
   here just looks like a bent joint, not a limb flailing sideways) to lift the
   forearm+gripper up above the shoulder. Phases: 0-20% bend the elbow to raise
   the gripper, 20-80% hold it raised while the forearm/claw wave back and
   forth, 80-100% unbend back down to rest. */
.robo-arm.waving .robo-arm1 { animation: waveRaise 3.4s ease-in-out; }
.robo-arm.waving .robo-arm2 { animation: waveElbow 3.4s ease-in-out; }
.robo-arm.waving .finger.f1 { animation: waveFinger1 3.4s ease-in-out; }
.robo-arm.waving .finger.f2 { animation: waveFinger2 3.4s ease-in-out; }

@keyframes waveRaise {
    0%, 100% { transform: rotate(-14deg); }
    20%, 80% { transform: rotate(-20deg); }
}
@keyframes waveElbow {
    0%   { transform: rotate(22deg); }
    20%  { transform: rotate(-150deg); }
    30%  { transform: rotate(-140deg); }
    38%  { transform: rotate(-160deg); }
    46%  { transform: rotate(-140deg); }
    54%  { transform: rotate(-160deg); }
    62%  { transform: rotate(-140deg); }
    70%  { transform: rotate(-160deg); }
    80%  { transform: rotate(-150deg); }
    100% { transform: rotate(22deg); }
}
@keyframes waveFinger1 {
    0%, 20%, 80%, 100% { transform: rotate(20deg); }
    30%, 46%, 62% { transform: rotate(14deg); }
    38%, 54%, 70% { transform: rotate(26deg); }
}
@keyframes waveFinger2 {
    0%, 20%, 80%, 100% { transform: rotate(-20deg); }
    30%, 46%, 62% { transform: rotate(-14deg); }
    38%, 54%, 70% { transform: rotate(-26deg); }
}

@media (max-width: 760px) {
    .robo-arm { opacity: 0.3; transform: scale(0.75); right: -20px; }
}

/* ---------- Easter egg: "Work" x10 -> typewriter -> horror office ---------- */
body.egg-open { cursor: auto; }
body.egg-open .cursor-dot, body.egg-open .cursor-ring { display: none; }

.egg-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: #000;
    display: none;
    align-items: center;
    justify-content: center;
}
.egg-overlay.active { display: flex; }

.egg-typewriter {
    max-width: 760px;
    padding: 0 28px;
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2.3vw, 1.5rem);
    color: #fff;
    line-height: 1.8;
    text-align: center;
    white-space: pre-wrap;
}
.egg-cursor {
    display: inline-block;
    margin-left: 2px;
    color: #fff;
    animation: eggBlink 0.9s steps(1) infinite;
}
@keyframes eggBlink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.egg-game {
    position: absolute;
    inset: 0;
    display: none;
}
.egg-game.active { display: block; }
.egg-game canvas {
    width: 100%;
    height: 100%;
    display: block;
}
.egg-crosshair {
    position: absolute;
    top: 50%; left: 50%;
    width: 6px; height: 6px;
    margin: -3px 0 0 -3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.75);
    pointer-events: none;
}
.egg-hud {
    position: absolute;
    left: 50%;
    bottom: 60px;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.55);
    text-transform: uppercase;
    pointer-events: none;
    white-space: nowrap;
}
.egg-exit {
    position: absolute;
    top: 18px; right: 22px;
    padding: 7px 14px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.75);
    border-radius: var(--radius);
    cursor: pointer;
}
.egg-exit:hover { background: rgba(255, 255, 255, 0.14); }

.egg-scare-flash {
    position: absolute;
    inset: 0;
    background: #fff;
    opacity: 0;
    pointer-events: none;
    z-index: 5;
}
.egg-scare-flash.active {
    animation: eggScareFlash 1.3s ease-out forwards;
}
@keyframes eggScareFlash {
    0%   { opacity: 0;    background: #fff; }
    6%   { opacity: 1;    background: #fff; }
    14%  { opacity: 0.05; background: #000; }
    22%  { opacity: 0.95; background: #fff; }
    30%  { opacity: 0.08; background: #000; }
    40%  { opacity: 0.85; background: #ff3d3d; }
    55%  { opacity: 0.1;  background: #000; }
    100% { opacity: 1;    background: #000; }
}

.grain {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
}

.glow-blob {
    position: fixed;
    z-index: 0;
    border-radius: 50%;
    filter: blur(130px);
    opacity: 0.16;
    pointer-events: none;
    will-change: transform;
}
.blob-a { width: 480px; height: 480px; background: var(--accent); top: -120px; left: -120px; animation: floatBlob 22s ease-in-out infinite; }
.blob-b { width: 420px; height: 420px; background: var(--accent-2); bottom: -140px; right: -100px; animation: floatBlob 26s ease-in-out infinite reverse; }
.blob-c { width: 360px; height: 360px; background: var(--accent-3); top: 45%; left: 55%; animation: floatBlob 30s ease-in-out infinite; }

@keyframes floatBlob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, 40px) scale(1.12); }
    66% { transform: translate(-40px, 60px) scale(0.94); }
}

/* ---------- Custom cursor ---------- */
.cursor-dot, .cursor-ring {
    position: fixed;
    top: 0; left: 0;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
}
.cursor-dot { width: 6px; height: 6px; background: var(--accent-2); }
.cursor-ring {
    width: 34px; height: 34px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    transition: width 0.25s var(--ease), height 0.25s var(--ease), border-color 0.25s ease, background 0.25s ease;
}
.cursor-ring.active {
    width: 56px; height: 56px;
    background: rgba(255, 106, 44, 0.12);
    border-color: var(--accent);
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 3px;
    z-index: 9999;
    background: transparent;
}
.scroll-progress span {
    display: block;
    height: 100%;
    width: 0%;
    background: var(--gradient);
}

/* ---------- Nav ---------- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 6vw;
    transition: padding 0.3s var(--ease), background 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
}
.nav.scrolled {
    padding: 12px 6vw;
    background: rgba(6, 7, 10, 0.7);
    backdrop-filter: blur(16px);
    border-color: var(--border);
}
.nav-logo {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
}
.nav-logo span:first-child { color: var(--accent-2); }
.nav-logo-dot { color: var(--accent-3); }
.nav-links {
    display: flex;
    gap: 8px;
}
.nav-link {
    position: relative;
    font-size: 0.88rem;
    padding: 8px 14px;
    color: var(--text-dim);
    transition: color 0.25s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 14px; right: 14px; bottom: 4px;
    height: 1px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.nav-link-arcade {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: #4ade80 !important;
    border: 1px solid rgba(74, 222, 128, 0.35);
    border-radius: var(--radius);
    padding: 7px 12px;
    margin-left: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.nav-link-arcade::before { content: '▸ '; }
.nav-link-arcade::after { display: none; }
.nav-link-arcade:hover { background: rgba(74, 222, 128, 0.1); border-color: #4ade80; transform: translateY(-2px); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 600;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 450;
    background: rgba(6, 7, 10, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    transform: translateY(-100%);
    transition: transform 0.5s var(--ease);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-link { font-family: var(--font-head); font-size: 1.6rem; color: var(--text); }
.mobile-link-arcade {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.4);
    border-radius: var(--radius);
    padding: 8px 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 860px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
}

/* ---------- Layout basics ---------- */
main { position: relative; z-index: 2; }
.section {
    position: relative;
    padding: 140px 8vw 100px;
    max-width: 1280px;
    margin: 0 auto;
}
.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-head);
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 18px;
}
.eyebrow-idx {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 1px;
    color: var(--bg);
    background: var(--accent-2);
    padding: 3px 7px;
    border-radius: 2px;
}
.section-title {
    font-family: var(--font-head);
    font-weight: 600;
    font-size: clamp(2rem, 4.4vw, 3.4rem);
    line-height: 1.15;
    margin-bottom: 50px;
    max-width: 16ch;
}

/* ---------- Reveal on scroll ---------- */
.reveal-up {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
    transition-delay: calc(var(--d, 0) * 0.09s);
    /* Pure-CSS guarantee this content becomes visible even if JS never adds
       .in-view (parse error, thrown exception, IntersectionObserver bugs,
       backgrounded-tab timer throttling, etc.) - JS still reveals sooner
       when it works, this is only the last-resort floor. */
    animation: forceReveal 0.01s 6s forwards;
}
.hero .reveal-up {
    /* Faster + tighter stagger than the generic rule (0.8s/0.09s) so the hero
       finishes fading in around the same time the preloader finishes fading
       out (0.4s), instead of leaving a gap where the preloader is gone but
       the text is still mostly transparent. */
    transition-duration: 0.45s;
    transition-delay: calc(var(--d, 0) * 0.04s);
    animation: forceReveal 0.01s 2.5s forwards;
}
.reveal-up.in-view { opacity: 1; transform: translateY(0); }
@keyframes forceReveal { to { opacity: 1; transform: translateY(0); } }

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 60px;
    padding-top: 100px;
}
.hero-inner { max-width: 900px; }

.hero-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: clamp(2.6rem, 7vw, 5rem);
    line-height: 1.05;
    letter-spacing: -1px;
}
.hero-title .line { display: block; }
.hero-name {
    background: var(--gradient);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.hero-role {
    font-family: var(--font-head);
    font-weight: 500;
    font-size: clamp(1.2rem, 2.6vw, 1.8rem);
    color: var(--text-dim);
    margin: 22px 0 20px;
}
.role-rotator {
    color: var(--text);
    position: relative;
    border-bottom: 2px solid var(--accent-2);
    padding-bottom: 2px;
}
.hero-desc {
    max-width: 55ch;
    color: var(--text-dim);
    font-size: 1.05rem;
    margin-bottom: 40px;
}
.hero-cta { display: flex; gap: 18px; flex-wrap: wrap; }

/* Technical spec / status side panel */
.hero-panel {
    width: 240px;
    font-family: var(--font-mono);
    padding: 22px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.015);
    position: relative;
}
.hero-panel::before, .hero-panel::after {
    content: '';
    position: absolute;
    width: 10px; height: 10px;
    border-color: var(--accent-2);
    border-style: solid;
    opacity: 0.6;
}
.hero-panel::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.hero-panel::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.hero-panel-row {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    font-size: 0.78rem;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
}
.hero-panel-row:first-child { padding-top: 0; }
.hero-panel-key { color: var(--text-dim); }
.hero-panel-val { color: var(--text); text-align: right; }
.hero-panel-val-live { color: #4ade80; }
.hero-panel-divider { height: 14px; }
.hero-panel-note { font-size: 0.68rem; color: var(--text-dim); opacity: 0.7; letter-spacing: 0.5px; }

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; }
    .hero-panel { width: 100%; max-width: 320px; }
}

.scroll-cue {
    position: absolute;
    bottom: 42px;
    left: 8vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.scroll-cue span {
    width: 1px; height: 46px;
    background: linear-gradient(var(--text-dim), transparent);
    position: relative;
    overflow: hidden;
}
.scroll-cue span::after {
    content: '';
    position: absolute;
    top: -100%; left: 0;
    width: 100%; height: 100%;
    background: var(--accent-2);
    animation: scrollCueMove 1.8s ease-in-out infinite;
}
@keyframes scrollCueMove {
    0% { top: -100%; }
    60% { top: 100%; }
    100% { top: 100%; }
}
.scroll-cue p {
    writing-mode: vertical-rl;
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-dim);
    text-transform: uppercase;
    font-family: var(--font-mono);
}

/* ---------- Buttons ---------- */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 26px;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    border: 1px solid transparent;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.35s var(--ease), border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
}
.btn.full { width: 100%; }
.btn-primary {
    background: transparent;
    color: var(--text);
    border-color: var(--accent-2);
}
.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--gradient);
    transform: translateX(-100%);
    transition: transform 0.4s var(--ease);
}
.btn-primary:hover { color: #060608; transform: translateY(-3px); }
.btn-primary:hover::before { transform: translateX(0); }
.btn-ghost {
    color: var(--text-dim);
    border-color: var(--border);
    background: var(--surface);
}
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2); transform: translateY(-3px); }

/* ---------- About ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}
.about-text p { color: var(--text-dim); margin-bottom: 20px; font-size: 1.02rem; }
.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.stat-card {
    position: relative;
    padding: 26px 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: transform 0.35s var(--ease), border-color 0.35s ease, background 0.35s ease;
}
.stat-card::before, .stat-card::after {
    content: '';
    position: absolute;
    width: 9px; height: 9px;
    border-color: var(--accent-2);
    border-style: solid;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.stat-card::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.stat-card::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.stat-card:hover { transform: translateY(-6px); border-color: var(--accent); background: var(--surface-strong); }
.stat-card:hover::before, .stat-card:hover::after { opacity: 0.8; }
.stat-num, .stat-suffix {
    font-family: var(--font-head);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text);
}
.stat-suffix { color: var(--accent-2); }
.stat-card p { font-family: var(--font-mono); color: var(--text-dim); font-size: 0.78rem; margin-top: 8px; }

@media (max-width: 860px) {
    .about-grid { grid-template-columns: 1fr; }
}

/* ---------- Skills ---------- */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px 50px;
    margin-bottom: 60px;
}
.skill-bar-head {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-head);
    font-size: 0.95rem;
    margin-bottom: 10px;
}
.skill-pct { color: var(--accent-2); font-family: var(--font-mono); font-size: 0.85rem; }
.skill-track {
    height: 6px;
    border-radius: 6px;
    background: var(--surface);
    border: 1px solid var(--border);
    overflow: hidden;
}
.skill-fill {
    height: 100%;
    width: 0%;
    border-radius: 6px;
    background: var(--gradient);
    transition: width 1.4s var(--ease);
}
.skill-fill.animate { width: var(--val); }

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.tag-cloud span {
    padding: 9px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-dim);
    background: var(--surface);
    transition: color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}
.tag-cloud span:hover { color: var(--text); border-color: var(--accent-2); transform: translateY(-3px); }

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

/* ---------- Work ---------- */
.work-hint {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    margin: -30px 0 44px;
}
.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px 40px;
}
.project-node { display: flex; flex-direction: column; align-items: center; }

/* --- 3D case-file box --- */
.box-3d {
    width: 100%;
    max-width: 230px;
    height: 210px;
    perspective: 1000px;
    cursor: pointer;
}
.box-scene {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
}
.box-cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(-14deg) rotateY(24deg);
    transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}
.box-3d:hover .box-cube, .box-3d:focus-visible .box-cube {
    transform: rotateX(-10deg) rotateY(34deg) scale(1.05);
}
.box-face {
    position: absolute;
    inset: 0;
    background: linear-gradient(155deg, var(--surface-strong), var(--bg-soft));
    border: 1px solid var(--border);
    backface-visibility: hidden;
}
.box-front {
    transform: translateZ(105px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px;
    text-align: center;
}
.box-back { transform: rotateY(180deg) translateZ(105px); }
.box-right { transform: rotateY(90deg) translateZ(115px); }
.box-left { transform: rotateY(-90deg) translateZ(115px); }
.box-top { transform: rotateX(90deg) translateZ(105px); }
.box-bottom { transform: rotateX(-90deg) translateZ(105px); }

.box-icon { display: inline-block; color: var(--accent-2); filter: drop-shadow(0 0 10px rgba(255, 182, 72, 0.25)); }
.box-icon svg { width: 34px; height: 34px; display: block; }
.box-front h3 { font-family: var(--font-head); font-size: 1rem; line-height: 1.3; color: var(--text); }

.box-tag {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 9px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.box-tag.legendary { color: #ffb648; border-color: rgba(255, 182, 72, 0.4); box-shadow: 0 0 14px rgba(255, 182, 72, 0.15); }
.box-tag.epic { color: #c58bff; border-color: rgba(197, 139, 255, 0.4); box-shadow: 0 0 14px rgba(197, 139, 255, 0.15); }
.box-tag.rare { color: #22d3ee; border-color: rgba(34, 211, 238, 0.4); box-shadow: 0 0 14px rgba(34, 211, 238, 0.15); }
.box-tag.common { color: #4ade80; border-color: rgba(74, 222, 128, 0.4); box-shadow: 0 0 14px rgba(74, 222, 128, 0.15); }

.box-3d[data-rarity="legendary"] .box-face { border-top: 2px solid rgba(255, 182, 72, 0.4); }
.box-3d[data-rarity="epic"] .box-face { border-top: 2px solid rgba(197, 139, 255, 0.4); }
.box-3d[data-rarity="rare"] .box-face { border-top: 2px solid rgba(34, 211, 238, 0.4); }
.box-3d[data-rarity="common"] .box-face { border-top: 2px solid rgba(74, 222, 128, 0.4); }

/* --- Case-file modal --- */
.project-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    background: rgba(2, 3, 4, 0.85);
    backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}
.project-modal-overlay.open { opacity: 1; visibility: visible; }
.project-modal {
    position: relative;
    width: 100%;
    max-width: 560px;
    background: linear-gradient(160deg, var(--bg-soft), var(--bg));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 36px;
    transform: scale(0.94) translateY(14px);
    transition: transform 0.35s var(--ease);
}
.project-modal-overlay.open .project-modal { transform: scale(1) translateY(0); }
.project-modal::before, .project-modal::after {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    border-color: var(--accent-2);
    border-style: solid;
    opacity: 0.7;
}
.project-modal::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.project-modal::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.project-modal h3 { font-family: var(--font-head); font-size: 1.5rem; margin: 16px 0 16px; line-height: 1.3; }
.project-modal p { color: var(--text-dim); font-size: 0.98rem; margin-bottom: 22px; }
.project-modal-close {
    position: absolute;
    top: 16px; right: 16px;
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-dim);
    font-family: var(--font-mono);
    cursor: pointer;
    transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.project-modal-close:hover { color: var(--accent-2); border-color: var(--accent-2); transform: rotate(90deg); }
.work-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.work-tags span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 6px 11px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-dim);
}

/* --- Arcade banner --- */
.arcade-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 60px;
    padding: 22px 26px;
    border: 1px solid rgba(74, 222, 128, 0.3);
    border-radius: var(--radius);
    background: rgba(74, 222, 128, 0.03);
    transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}
.arcade-banner:hover { border-color: rgba(74, 222, 128, 0.6); background: rgba(74, 222, 128, 0.06); transform: translateY(-3px); }
.arcade-banner-text { display: flex; flex-direction: column; gap: 4px; }
.arcade-banner-text strong { font-family: var(--font-head); font-size: 1.05rem; color: var(--text); }
.arcade-banner-text em { font-style: normal; font-size: 0.85rem; color: var(--text-dim); }
.arcade-banner-cta {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: #4ade80;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

@media (max-width: 760px) {
    /* justify-items must stay "stretch" (grid default) so .project-node gets a definite
       width to size against — under "center" it shrink-wraps to content, and percentage
       widths inside that resolve inconsistently between browsers (looked fine in Chromium,
       came out uneven/mis-scaled in mobile Safari). Center visually with margin:auto instead. */
    .work-grid { grid-template-columns: 1fr; }
    .project-node { width: 100%; }
    /* Flatten the 3D cube on touch screens — no hover to trigger it, so the resting tilt just looks broken */
    .box-3d { width: 100%; max-width: 320px; height: auto; perspective: none; margin: 0 auto; }
    .box-scene { height: auto; }
    .box-cube, .box-3d:hover .box-cube, .box-3d:focus-visible .box-cube { transform: none; }
    .box-back, .box-right, .box-left, .box-top, .box-bottom { display: none; }
    .box-face { position: relative; inset: auto; width: 100%; transform: none !important; }
    .box-front { padding: 28px 20px; }
}

/* ---------- Experience / Timeline ---------- */
.timeline {
    position: relative;
    padding-left: 34px;
    border-left: 1px solid var(--border);
}
.timeline-item {
    position: relative;
    padding-bottom: 48px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: -39px;
    top: 4px;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--accent-2);
    box-shadow: 0 0 0 4px rgba(255, 182, 72, 0.12);
}
.timeline-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-2);
    margin-bottom: 8px;
}
.timeline-content h3 { font-family: var(--font-head); font-size: 1.2rem; margin-bottom: 10px; }
.timeline-content p { color: var(--text-dim); max-width: 60ch; font-size: 0.95rem; }

/* ---------- Contact ---------- */
.contact-lead { color: var(--text-dim); max-width: 50ch; margin: -30px 0 50px; }
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
}
.contact-form { display: flex; flex-direction: column; gap: 26px; }
.field { position: relative; }
.field input, .field textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 12px 4px;
    color: var(--text);
    font-size: 1rem;
    font-family: var(--font-body);
    resize: none;
    outline: none;
}
.field label {
    position: absolute;
    left: 4px; top: 12px;
    color: var(--text-dim);
    font-size: 1rem;
    pointer-events: none;
    transition: transform 0.25s var(--ease), color 0.25s ease, font-size 0.25s ease;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
    transform: translateY(-20px);
    font-size: 0.75rem;
    color: var(--accent-2);
}
.field-line {
    position: absolute;
    left: 0; bottom: 0;
    width: 100%; height: 1px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}
.field input:focus ~ .field-line, .field textarea:focus ~ .field-line { transform: scaleX(1); }
.form-note { font-size: 0.78rem; color: var(--text-dim); margin-top: -8px; }

.contact-links { display: flex; flex-direction: column; gap: 16px; }
.contact-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: transform 0.35s var(--ease), border-color 0.35s ease, background 0.35s ease;
}
.contact-link:hover { transform: translateX(8px); border-color: var(--accent-2); background: var(--surface-strong); }
.contact-link-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent-2);
    flex-shrink: 0;
}
.contact-link-text { display: flex; flex-direction: column; flex: 1; }
.contact-link-text strong { font-family: var(--font-head); font-size: 1rem; }
.contact-link-text em { font-style: normal; font-size: 0.8rem; color: var(--text-dim); }
.contact-link-arrow { color: var(--text-dim); transition: transform 0.35s var(--ease), color 0.35s ease; }
.contact-link:hover .contact-link-arrow { transform: translate(4px, -4px); color: var(--accent-2); }

@media (max-width: 860px) {
    .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 30px 8vw 50px;
    color: var(--text-dim);
    font-size: 0.85rem;
    max-width: 1280px;
    margin: 0 auto;
}
.to-top {
    width: 42px; height: 42px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: transform 0.35s var(--ease), border-color 0.3s ease, background 0.3s ease;
}
.to-top:hover { transform: translateY(-5px); border-color: var(--accent-2); background: var(--surface-strong); }

/* ---------- Toast (form submit feedback) ---------- */
.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translate(-50%, 20px);
    background: var(--surface-strong);
    border: 1px solid var(--accent-2);
    color: var(--text);
    padding: 14px 24px;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    z-index: 5000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
    backdrop-filter: blur(10px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
}