/* ============================================================
   PORTFOLIO LANDING — style.css
   Neo-Brutalism Light / Minimal Dark Dual-Theme System
   ============================================================ */

/* --- LIGHT THEME VARIABLES (Neo-Brutalism) ----------------- */
:root {
    /* Core */
    --bg: #FFF8F0;
    --bg-alt: #FEF3E2;
    --text: #1A1A1A;
    --primary: #1A1A1A;

    /* Neo-brutalism accents */
    --accent: #6C5CE7;
    --accent-soft: #EDE9FF;
    --accent-yellow: #FDCB6E;
    --accent-cyan: #00CEC9;
    --accent-pink: #FD79A8;
    --accent-lime: #A8E06D;
    --accent-orange: #FAB1A0;
    --accent-blue: #74B9FF;
    --accent-red: #FF6B6B;

    /* Card palette — rotating note backgrounds */
    --card-1: #FDCB6E;
    --card-2: #DFE6E9;
    --card-3: #FAB1A0;
    --card-4: #A8E06D;
    --card-5: #74B9FF;
    --card-6: #FD79A8;

    /* Borders & Shadows */
    --border: 3px solid #1A1A1A;
    --border-w: 3px;
    --shadow: 6px 6px 0px #1A1A1A;
    --shadow-lg: 10px 10px 0px #1A1A1A;

    /* Typography */
    --font-display: 'Instrument Serif', serif;
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Motion */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-elastic: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition: 0.4s var(--ease-out);

    /* Texture */
    --grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");

    /* Avatar */
    --avatar-src: url('pp2.jpeg');
    --avatar-border-color: var(--accent-yellow);
    --avatar-shadow: 6px 6px 0px var(--accent);

    --nav-h: 70px;
}

/* --- DARK THEME VARIABLES (Preserved exactly) -------------- */
body.theme-dark {
    --bg: #1C1917;
    --bg-alt: #1C1917;
    --text: #FDFBFA;
    --primary: #FDFBFA;
    --accent: #818CF8;
    --accent-soft: #312E81;
    --shadow: 4px 4px 0px #FDFBFA;
    --shadow-lg: 8px 8px 0px #FDFBFA;
    --border: 2px solid #FDFBFA;
    --border-w: 2px;

    /* Neutralize light-theme card colors */
    --card-1: transparent;
    --card-2: transparent;
    --card-3: transparent;
    --card-4: transparent;
    --card-5: transparent;
    --card-6: transparent;

    --accent-yellow: #818CF8;
    --accent-cyan: #818CF8;
    --accent-pink: #818CF8;
    --accent-lime: #818CF8;
    --accent-orange: #818CF8;
    --accent-blue: #818CF8;
    --accent-red: #818CF8;

    --avatar-src: url('pp.png');
    --avatar-border-color: #FDFBFA;
    --avatar-shadow: 4px 4px 0px #FDFBFA;
}

/* --- Reset ------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 400;
    min-height: 100vh;
    cursor: none;
    transition:
        background-color var(--transition),
        color var(--transition);
    overflow-x: hidden;
    position: relative;
}

/* Subtle grain texture - light theme only */
body:not(.theme-dark)::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: var(--grain);
    background-repeat: repeat;
    background-size: 256px;
    pointer-events: none;
    z-index: 0;
    opacity: 1;
}

*, a, button {
    cursor: none !important;
}

a {
    color: inherit;
    text-decoration: none;
}

/* --- Utility ------------------------------------------------ */
.mono {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
}

/* --- Layout ------------------------------------------------- */
.layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* LEFT COLUMN */
.col-left {
    padding: 100px 64px;
    display: flex;
    flex-direction: column;
    gap: 48px;
    justify-content: flex-start;
    border-right: var(--border);
    transition: border-color var(--transition), background-color var(--transition);
    position: sticky;
    top: 0;
    height: 100vh;
    background: var(--bg);
    overflow-y: auto;
    scrollbar-width: none;
    z-index: 1;
}

.col-left::-webkit-scrollbar {
    display: none;
}

/* RIGHT COLUMN */
.col-right {
    padding: 80px 52px;
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    z-index: 1;
}

/* --- Decorative dots (light theme only) -------------------- */
body:not(.theme-dark) .col-right::before {
    content: '';
    position: absolute;
    top: 40px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-image: radial-gradient(circle, #1A1A1A 1.5px, transparent 1.5px);
    background-size: 12px 12px;
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
}

body:not(.theme-dark) .col-left::after {
    content: '';
    position: absolute;
    bottom: 120px;
    right: 40px;
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-cyan);
    border-radius: 50%;
    opacity: 0.2;
    pointer-events: none;
    animation: float-blob 6s ease-in-out infinite;
}

@keyframes float-blob {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(8deg); }
}

/* --- Decorative Elements (Light theme only) ---------------- */
.deco {
    position: absolute;
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.4s;
}

body.theme-dark .deco {
    display: none !important;
}

/* Dot cluster top-right */
.deco--dots-1 {
    top: 80px;
    right: 32px;
    width: 48px;
    height: 48px;
    background-image: radial-gradient(circle, var(--accent-pink) 2px, transparent 2px);
    background-size: 10px 10px;
    opacity: 0.35;
}

/* Dot cluster bottom-left */
.deco--dots-2 {
    bottom: 180px;
    left: 32px;
    width: 36px;
    height: 36px;
    background-image: radial-gradient(circle, var(--accent-cyan) 1.5px, transparent 1.5px);
    background-size: 8px 8px;
    opacity: 0.3;
}

/* Circle outline */
.deco--circle-1 {
    top: 200px;
    right: 56px;
    width: 28px;
    height: 28px;
    border: 2.5px solid var(--accent-orange);
    border-radius: 50%;
    opacity: 0.35;
}

/* Horizontal accent line */
.deco--line-1 {
    bottom: 280px;
    right: 24px;
    width: 40px;
    height: 3px;
    background: var(--accent-yellow);
    opacity: 0.5;
    transform: rotate(-8deg);
}

/* Vertical accent line */
.deco--line-2 {
    top: 340px;
    left: 24px;
    width: 3px;
    height: 32px;
    background: var(--accent-blue);
    opacity: 0.35;
}

/* Small outlined square */
.deco--square-1 {
    bottom: 100px;
    right: 64px;
    width: 16px;
    height: 16px;
    border: 2px solid var(--accent-lime);
    opacity: 0.4;
    transform: rotate(12deg);
}

/* Filled blob */
.deco--blob-1 {
    top: 420px;
    right: 28px;
    width: 12px;
    height: 12px;
    background: var(--accent-red);
    border-radius: 50%;
    opacity: 0.3;
}

/* Cross / plus */
.deco--cross-1 {
    bottom: 220px;
    left: 48px;
    width: 18px;
    height: 18px;
    opacity: 0.3;
}

.deco--cross-1::before,
.deco--cross-1::after {
    content: '';
    position: absolute;
    background: var(--accent);
}

.deco--cross-1::before {
    width: 18px;
    height: 3px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.deco--cross-1::after {
    width: 3px;
    height: 18px;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}

/* --- Profile ----------------------------------------------- */
.profile-main {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.avatar-box {
    width: 130px;
    height: 130px;
    border: var(--border);
    border-radius: 50%;
    background: var(--accent-soft);
    overflow: hidden;
    box-shadow: var(--avatar-shadow);
    transition: transform 0.4s var(--ease-elastic), box-shadow 0.3s, border-color var(--transition);
    position: relative;
}

body:not(.theme-dark) .avatar-box {
    border-color: var(--accent-yellow);
    border-width: 4px;
}

.avatar-box:hover {
    transform: translate(-4px, -4px) rotate(-3deg);
    box-shadow: var(--shadow-lg);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.4s var(--ease-out);
}

.name {
    font-family: var(--font-display);
    font-size: clamp(3.2rem, 5.2vw, 4.5rem);
    line-height: 0.9;
    font-weight: 400;
    letter-spacing: -0.01em;
    margin: 0;
    width: fit-content;
}

/* Light-theme name highlight */
body:not(.theme-dark) .name {
    position: relative;
}

body:not(.theme-dark) .name::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: -4px;
    right: -4px;
    height: 14px;
    background: var(--accent-yellow);
    opacity: 0.4;
    z-index: -1;
    transform: skewX(-2deg);
    border-radius: 2px;
}

.identity {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.label {
    color: var(--accent);
    transition: color var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.68rem;
}

/* Light-theme label badge */
body:not(.theme-dark) .label {
    background: var(--accent);
    color: #fff;
    padding: 4px 12px;
    width: fit-content;
    font-weight: 500;
    box-shadow: 3px 3px 0px var(--primary);
}

.role-neo {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    color: var(--accent);
    min-height: 1.2em;
    transition: color var(--transition);
}

body:not(.theme-dark) .role-neo {
    color: var(--accent-red);
}

/* --- Tagline ----------------------------------------------- */
.tagline {
    font-size: clamp(1.1rem, 1.6vw, 1.25rem);
    line-height: 1.5;
    font-weight: 300;
    opacity: 0.8;
    max-width: 360px;
    min-height: 4.5em;
}

/* --- Social Stack ------------------------------------------ */
.social-stack {
    display: flex;
    align-items: center;
    padding-left: 10px;
    margin-top: 12px;
}

.social-icon {
    width: 54px;
    height: 54px;
    background: var(--bg);
    border: var(--border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: -12px;
    box-shadow: 4px 4px 0px var(--primary);
    transition: transform 0.4s var(--ease-out), margin 0.4s var(--ease-out), box-shadow 0.3s, background-color 0.3s;
    position: relative;
    overflow: hidden;
}

/* Light-theme social icon colors */
body:not(.theme-dark) .social-icon.li {
    background: #E8F4FE;
    transform: rotate(-6deg) translateY(4px);
}
body:not(.theme-dark) .social-icon.ig {
    background: #FFEEF5;
    transform: rotate(5deg) translateY(-2px);
}
body:not(.theme-dark) .social-icon.me {
    background: #F0F0F0;
    transform: rotate(-3deg) translateY(6px);
}
body:not(.theme-dark) .social-icon.po {
    background: #E8FFE8;
    transform: rotate(4deg) translateY(-4px);
}

/* Dark theme rotations */
body.theme-dark .social-icon.li { transform: rotate(-6deg) translateY(4px); }
body.theme-dark .social-icon.ig { transform: rotate(5deg) translateY(-2px); }
body.theme-dark .social-icon.me { transform: rotate(-3deg) translateY(6px); }
body.theme-dark .social-icon.po { transform: rotate(4deg) translateY(-4px); }

.social-icon img {
    width: 26px;
    height: 26px;
    object-fit: contain;
}

.social-stack:hover .social-icon {
    margin-left: 16px;
    transform: rotate(0deg) translateY(0) !important;
    box-shadow: var(--shadow);
}

.social-icon:hover {
    transform: translateY(-8px) scale(1.05) !important;
    z-index: 10;
    background: var(--accent-soft) !important;
}

.avail-neo {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.72rem;
    font-weight: 600;
    opacity: 0.6;
}

/* Light-theme avail badge */
body:not(.theme-dark) .avail-neo {
    background: #E8FFE8;
    border: 2px solid #22c55e;
    padding: 8px 16px;
    border-radius: 0;
    box-shadow: 3px 3px 0 #1A1A1A;
    opacity: 1;
    font-size: 0.7rem;
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    display: inline-block;
    animation: pulse-dot 2.4s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* --- Notes (Cards) ----------------------------------------- */
.note {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 16px;
    align-items: start;
    padding: 32px;
    border: var(--border);
    background: var(--bg);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    transition:
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.6s var(--ease-out),
        box-shadow 0.3s,
        background-color 0.5s var(--ease-out),
        border-color var(--transition),
        rotate 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Light-theme colored cards */
body:not(.theme-dark) .note:nth-child(1) { background: var(--card-1); }
body:not(.theme-dark) .note:nth-child(2) { background: var(--card-2); }
body:not(.theme-dark) .note:nth-child(3) { background: var(--card-3); }
body:not(.theme-dark) .note:nth-child(4) { background: var(--card-4); }
body:not(.theme-dark) .note:nth-child(5) { background: var(--card-5); }
body:not(.theme-dark) .note:nth-child(6) { background: var(--card-6); }

/* Light-theme: tilted cards (playful) */
body:not(.theme-dark) .note.visible:nth-child(1) { rotate: -0.6deg; }
body:not(.theme-dark) .note.visible:nth-child(2) { rotate: 0.4deg; }
body:not(.theme-dark) .note.visible:nth-child(3) { rotate: -0.3deg; }
body:not(.theme-dark) .note.visible:nth-child(4) { rotate: 0.5deg; }
body:not(.theme-dark) .note.visible:nth-child(5) { rotate: -0.4deg; }
body:not(.theme-dark) .note.visible:nth-child(6) { rotate: 0.35deg; }

/* Dark-theme: straight/aligned cards */
body.theme-dark .note.visible {
    rotate: 0deg;
}

.note:hover {
    transform: translate(-3px, -3px) !important;
    rotate: 0deg !important;
    box-shadow: var(--shadow-lg);
}

.note.visible {
    opacity: 1;
    transform: translateY(0);
}

.note-num {
    font-size: 0.65rem;
    opacity: 0.35;
    margin-top: 4px;
    letter-spacing: 0.05em;
}

body:not(.theme-dark) .note-num {
    opacity: 0.6;
    font-weight: 600;
}

.note-text {
    font-size: clamp(1.1rem, 1.5vw, 1.25rem);
    line-height: 1.5;
    font-weight: 300;
    width: fit-content;
}

body:not(.theme-dark) .note-text {
    font-weight: 400;
    color: #1A1A1A;
}

/* --- Annotation styles ------------------------------------- */

/* 1. Underline */
.annotate--underline {
    position: relative;
    display: inline;
}

.annotate--underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--text);
    border-radius: 1px;
    transition: border-color var(--transition);
    transform: skewX(-3deg) translateY(1px);
}

body:not(.theme-dark) .annotate--underline::after {
    height: 3px;
    background: var(--primary);
}

.annotate--underline.annotate--accent::after {
    background: var(--accent);
}

.annotate--underline.revealed::after {
    animation: draw-underline 0.5s var(--ease-out) forwards;
}

@keyframes draw-underline {
    from { width: 0; }
    to { width: 100%; }
}

/* 2. Highlight */
.annotate--highlight {
    position: relative;
    display: inline;
    z-index: 0;
    background-image: linear-gradient(var(--accent-soft), var(--accent-soft));
    background-repeat: no-repeat;
    background-size: 0% 80%;
    background-position: 0 90%;
    transition: background-size 0.55s var(--ease-out);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    padding: 0 4px;
}

body:not(.theme-dark) .annotate--highlight {
    background-image: linear-gradient(var(--accent-yellow), var(--accent-yellow));
    padding: 2px 6px;
    font-weight: 500;
}

.annotate--highlight.revealed {
    background-size: 100% 80%;
}

/* 3. Circle */
.annotate--circle {
    position: relative;
    display: inline;
}

.annotate--circle::after {
    content: '';
    position: absolute;
    inset: -4px -6px;
    border-radius: 50% / 40%;
    border: 1.5px solid var(--accent);
    transform: rotate(-2deg) scale(0.6);
    opacity: 0;
    transform-origin: center;
    transition: border-color var(--transition);
}

body:not(.theme-dark) .annotate--circle::after {
    border-width: 2.5px;
    border-color: var(--accent-red);
}

.annotate--circle.revealed::after {
    animation: sketch-circle 0.6s var(--ease-out) forwards;
}

@keyframes sketch-circle {
    0% { transform: rotate(-2deg) scale(0.6); opacity: 0; }
    60% { transform: rotate(-1deg) scale(1.08); opacity: 1; }
    100% { transform: rotate(-2deg) scale(1); opacity: 1; }
}

/* --- Rule -------------------------------------------------- */
.rule {
    height: 1px;
    background: var(--text);
    opacity: 0.12;
    margin: 36px 0 32px;
    transition: background-color var(--transition);
}

body:not(.theme-dark) .rule {
    height: 3px;
    background: var(--primary);
    opacity: 0.15;
}

/* --- Contact ----------------------------------------------- */
.contact-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 40px;
}

.contact-label {
    opacity: 0.4;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.contact-link {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-style: italic;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    width: fit-content;
    transition: transform 0.2s var(--ease-out);
}

body:not(.theme-dark) .contact-link {
    background: var(--accent-yellow);
    padding: 12px 24px;
    border: var(--border);
    box-shadow: var(--shadow);
    font-style: normal;
    font-weight: 500;
}

body:not(.theme-dark) .contact-link:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-lg);
}

body:not(.theme-dark) .contact-link:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--primary);
}

.contact-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text);
    transition: width 0.3s var(--ease-out), background-color var(--transition);
}

body:not(.theme-dark) .contact-link::after {
    display: none;
}

.contact-link:hover::after {
    width: 100%;
}

.contact-link .arrow {
    transition: transform 0.25s var(--ease-out);
    font-style: normal;
    font-family: var(--font-mono);
}

.contact-link:hover .arrow {
    transform: translateX(6px);
}

/* --- Footer note ------------------------------------------- */
.footer-note {
    opacity: 0.25;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: auto;
}

/* --- Top Controls (Language LEFT, Theme RIGHT) ------------- */
.top-controls {
    position: fixed;
    top: 24px;
    left: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
}

.top-controls > * {
    pointer-events: auto;
}

/* --- Language Switcher ------------------------------------- */
.lang-switcher {
    position: relative;
}

.lang-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text);
    background: var(--bg);
    border: var(--border);
    border-radius: 0;
    box-shadow: var(--shadow);
    transition:
        transform 0.25s var(--ease-out),
        box-shadow 0.25s var(--ease-out),
        background-color var(--transition),
        border-color var(--transition),
        color var(--transition);
}

body:not(.theme-dark) .lang-trigger {
    background: var(--accent-cyan);
    color: #1A1A1A;
    font-weight: 600;
}

.lang-trigger:hover {
    transform: translate(-2px, -2px);
    box-shadow: 8px 8px 0 var(--primary);
}

.lang-trigger:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--primary);
}

.lang-chevron {
    transition: transform 0.3s var(--ease-out);
    stroke: var(--text);
}

.lang-switcher.open .lang-chevron {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 180px;
    list-style: none;
    background: var(--bg);
    border: var(--border);
    box-shadow: var(--shadow);
    padding: 6px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
        opacity 0.25s var(--ease-out),
        transform 0.25s var(--ease-out),
        visibility 0.25s;
}

.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    width: 100%;
    padding: 10px 20px;
    text-align: left;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--text);
    background: transparent;
    border: none;
    transition: background-color 0.15s, color 0.15s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-option:hover {
    background: var(--accent-soft);
}

body:not(.theme-dark) .lang-option:hover {
    background: var(--accent-yellow);
}

.lang-option.active {
    font-weight: 600;
    color: var(--accent);
    position: relative;
}

.lang-option.active::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

/* --- Theme Toggle ------------------------------------------ */
.theme-toggle {
    z-index: 100;
    background: var(--bg);
    border: var(--border);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition:
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        transform 0.2s var(--ease-out);
    overflow: hidden;
}

body:not(.theme-dark) .theme-toggle {
    background: var(--accent-yellow);
}

.theme-toggle:hover {
    transform: scale(1.08);
}

.theme-toggle:active {
    transform: scale(0.95) rotate(15deg);
}

.toggle-icon {
    position: relative;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-icon svg {
    width: 16px;
    height: 16px;
    stroke: var(--text);
    position: absolute;
    transition:
        opacity 0.3s,
        transform 0.4s var(--ease-out),
        stroke var(--transition);
}

.icon-moon {
    opacity: 0;
    transform: rotate(-30deg) scale(0.8);
}

.icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

body.theme-dark .icon-sun {
    opacity: 0;
    transform: rotate(30deg) scale(0.8);
}

body.theme-dark .icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* --- Floating label ---------------------------------------- */
.float-label {
    position: fixed;
    bottom: 24px;
    left: 28px;
    font-size: 0.62rem;
    opacity: 0.2;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1;
}

body:not(.theme-dark) .float-label {
    background: var(--accent-lime);
    border: 2px solid #1A1A1A;
    padding: 4px 10px;
    box-shadow: 3px 3px 0 #1A1A1A;
    opacity: 0.7;
    pointer-events: auto;
}

.float-label:hover {
    opacity: 0.9;
}

/* --- Scrollbar --------------------------------------------- */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--text);
    opacity: 0.2;
    border-radius: 2px;
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 960px) {
    .layout {
        grid-template-columns: 1fr;
        min-height: unset;
    }

    .col-left {
        position: static;
        height: auto;
        border-right: none;
        border-bottom: var(--border);
        padding: 64px 32px 56px;
        gap: 40px;
    }

    .col-right {
        padding: 48px 32px 80px;
    }

    .tagline {
        max-width: 100%;
    }
}

@media (max-width: 600px) {
    .top-controls {
        top: 12px;
        left: 12px;
        right: 12px;
        gap: 8px;
    }

    .lang-trigger {
        padding: 8px 12px;
        font-size: 0.65rem;
    }

    .lang-dropdown {
        min-width: 160px;
        left: 0;
    }

    .col-left {
        padding: 80px 24px 48px;
        gap: 40px;
        align-items: center;
        text-align: center;
        width: 100%;
    }

    .profile-main {
        align-items: center;
        width: 100%;
    }

    .col-right {
        padding: 32px 20px 64px;
    }

    .avatar-box {
        width: 110px;
        height: 110px;
    }

    .name {
        font-size: 3rem;
        margin: 0 auto;
    }

    .role-neo {
        justify-content: center;
        min-height: 3.2em;
        display: flex;
        align-items: center;
        width: 100%;
        margin-top: 4px;
    }

    .tagline {
        min-height: 6em;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .social-stack {
        justify-content: center;
        padding-left: 0;
    }

    .social-icon {
        width: 48px;
        height: 48px;
        margin-left: -10px;
    }

    .note {
        padding: 24px 20px;
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .note-text {
        width: 100%;
        font-size: 1.05rem;
    }

    .note-num {
        opacity: 0.5;
    }

    .theme-toggle {
        width: 40px;
        height: 40px;
    }

    .float-label {
        display: none;
    }

    body:not(.theme-dark) .col-left::after {
        display: none;
    }

    body:not(.theme-dark) .avail-neo {
        justify-content: center;
    }

    body:not(.theme-dark) .label {
        margin: 0 auto;
    }

    body:not(.theme-dark) .name::after {
        left: 0;
        right: 0;
    }
}

/* --- Page entry animation ---------------------------------- */
.col-left,
.col-right {
    animation: fade-up 0.7s var(--ease-out) both;
}

.col-right {
    animation-delay: 0.12s;
}

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Cursor Ring ------------------------------------------- */
.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background-color: #fff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
    transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out);
    display: none;
}

.cursor-ring.active {
    width: 45px;
    height: 45px;
}

@media (pointer: coarse) {
    .cursor-ring {
        display: none !important;
    }
    body, *, a, button {
        cursor: auto !important;
    }
}

/* --- Back to Top Button ------------------------------------ */
.back-to-top {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: var(--border);
    background: var(--bg);
    box-shadow: var(--shadow);
    margin: 48px auto 0;
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.5s var(--ease-out),
        transform 0.5s var(--ease-out),
        box-shadow 0.25s var(--ease-out),
        background-color var(--transition),
        border-color var(--transition);
    pointer-events: none;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-lg);
}

.back-to-top:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--primary);
}

.back-to-top svg {
    stroke: var(--text);
    transition: stroke var(--transition), transform 0.3s var(--ease-out);
}

.back-to-top:hover svg {
    transform: translateY(-2px);
}

body:not(.theme-dark) .back-to-top {
    background: var(--accent-cyan);
}