/* ============================================
   DESIGN SYSTEM & CUSTOM PROPERTIES
   ============================================ */

:root {
    --bg: #0a0a0a;
    --bg-elevated: #111;
    --text: #f0efe9;
    --text-muted: #777;
    --accent: #c8ff00;
    --accent-dim: #010100;
    --border: #1e1e1e;
    --radius: 12px;
    --radius-lg: 24px;

    --font-heading: "Syne", sans-serif;
    --font-body: "Space Grotesk", sans-serif;
    --font-mono: "Space Mono", monospace;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
    --header-height: 80px;
    --header-bg: rgba(10, 10, 10, 0.8);
    --cursor-blend-mode: difference;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: auto;
}

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

main {
    position: relative;
    z-index: 1;
    background: var(--bg);
    margin-bottom: clamp(280px, 40vh, 420px);
}

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

button,
input,
textarea {
    font-family: inherit;
    cursor: none;
}

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

ul,
ol {
    list-style: none;
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.heading-xl {
    font-size: clamp(3rem, 10vw, 9rem);
}

.heading-md {
    font-size: clamp(1.8rem, 4vw, 3.5rem);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-muted {
    color: var(--text-muted);
}

.text-accent {
    color: var(--accent);
}

.font-mono {
    font-family: var(--font-mono);
}

.uppercase {
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.magnetic {
    position: relative;
}

.divider {
    width: 100%;
    height: 1px;
    background: var(--border);
    border: none;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 4rem);
}

.section {
    padding: clamp(4rem, 10vh, 10rem) 0;
}

.section-bordered {
    border-top: 1px solid var(--border);
}

.section-centered {
    text-align: center;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 2.5rem;
}

.section-subtitle {
    max-width: 500px;
    margin: 1.5rem auto 2.5rem;
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */

.cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: var(--cursor-blend-mode);
    transform: translate(-50%, -50%) scale(1);
    transition: transform 0.4s var(--ease-out-expo),
        opacity 0.3s;
    will-change: transform;
}

.cursor.hovering {
    transform: translate(-50%, -50%) scale(3);
}

.cursor.clicking {
    transform: translate(-50%, -50%) scale(0.7);
}

.cursor.hidden {
    opacity: 0;
}

.cursor.btn-hover {
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.3s var(--ease-out-expo),
        opacity 0.15s;
}

body.cursor-disabled .cursor {
    display: none;
}

body.cursor-disabled,
body.cursor-disabled a,
body.cursor-disabled button,
body.cursor-disabled input,
body.cursor-disabled textarea {
    cursor: auto;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    left: var(--btn-x, 50%);
    top: var(--btn-y, 50%);
    width: 300%;
    aspect-ratio: 1;
    background: var(--accent);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.55s var(--ease-out-expo);
    z-index: -1;
}

.btn:hover {
    color: var(--bg);
    border-color: var(--accent);
}

.btn:hover::before {
    transform: translate(-50%, -50%) scale(1);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

.btn-primary::before {
    background: var(--text);
}

.btn-primary:hover {
    border-color: var(--text);
}

.btn .arrow {
    transition: transform 0.4s var(--ease-out-expo);
}

.btn:hover .arrow {
    transform: translateX(4px);
}


/* ============================================
   ANIMATION UTILITIES
   ============================================ */

[data-animate] {
    opacity: 0;
}

[data-animate="fade-up"] {
    transform: translateY(60px);
}

[data-animate="scale-in"] {
    transform: scale(0.9);
}

[data-animate].is-visible {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s var(--ease-out-expo),
        transform 0.8s var(--ease-out-expo);
}

.split-text .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.6s var(--ease-out-expo);
}

.split-text.revealed .char {
    opacity: 1;
    transform: translateY(0);
}

.split-char {
    display: inline-block;
    will-change: transform, opacity;
    padding-bottom: 0.1em;
}

.line-reveal {
    overflow: hidden;
}

.line-reveal .line-inner {
    display: block;
    transform: translateY(105%);
    transition: transform 0.8s var(--ease-out-expo);
}

.line-reveal.revealed .line-inner {
    transform: translateY(0);
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 clamp(1.5rem, 4vw, 4rem);
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.site-header.scrolled {
    border-bottom-color: var(--border);
}

.header-inner {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-width: 0;
}

.logo {
    font-family: var(--font-heading);
    font-size: clamp(0.85rem, 2vw, 1.3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    transition: color 0.3s;
    flex-shrink: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logo:hover {
    color: var(--accent);
}

/* ============================================
   NAV MENU BUTTON & BURGER ICON
   ============================================ */

.nav-menu-btn {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: clamp(0.3rem, 1vw, 0.5rem);
    white-space: nowrap;
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    padding: clamp(0.25rem, 0.8vw, 0.4rem) clamp(0.5rem, 1.2vw, 0.75rem) clamp(0.25rem, 0.8vw, 0.4rem) clamp(0.55rem, 1.2vw, 0.9rem);
    border-radius: 100px;
    flex-shrink: 0;
    transition: background 0.4s var(--ease-out-expo), border-color 0.4s var(--ease-out-expo);
}

.nav-menu-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.nav-menu-label {
    font-family: var(--font-mono);
    font-size: 100%;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    flex-shrink: 0;
}

.burger-icon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 18px;
    height: 13px;
    position: relative;
    flex-shrink: 0;
}

.burger-icon span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: currentColor;
    border-radius: 2px;
    transform-origin: center;
    transition:
        transform 0.4s var(--ease-out-expo),
        opacity 0.3s ease,
        top 0.4s var(--ease-out-expo);
    position: absolute;
    left: 0;
}

.burger-icon span:nth-child(1) {
    top: 0;
}

.burger-icon span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.burger-icon span:nth-child(3) {
    bottom: 0;
    top: auto;
}

.nav-menu-btn.is-open .burger-icon span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.nav-menu-btn.is-open .burger-icon span:nth-child(2) {
    opacity: 0;
    transform: translateY(-50%) scaleX(0);
}

.nav-menu-btn.is-open .burger-icon span:nth-child(3) {
    bottom: auto;
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
}

/* ============================================
   NAV FLIP TEXT EFFECT
   ============================================ */

[data-nav-flip] {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.nav-flip-text {
    display: inline-flex;
    align-items: flex-start;
    line-height: 1;
}

.nav-flip-char {
    --char-index: 0;
    position: relative;
    display: inline-grid;
    place-items: center;
    min-width: 0.6em;
    height: 1em;
    overflow: hidden;
    perspective: 900px;
}

.nav-flip-char-space {
    min-width: 0.35em;
}

.nav-flip-char-face {
    grid-area: 1 / 1;
    display: block;
    color: currentColor;
    backface-visibility: hidden;
    transform-origin: center center;
    transition:
        transform 1s var(--ease-out-expo),
        opacity 0.55s var(--ease-out-expo);
    transition-delay: calc(var(--char-index) * 0.035s);
    will-change: transform, opacity;
}

.nav-flip-char-face--top {
    transform: translateY(0) rotateX(0deg);
    opacity: 1;
}

.nav-flip-char-face--bottom {
    transform: translateY(115%) rotateX(-90deg);
    opacity: 0.15;
}

[data-nav-flip]:is(:hover, :focus-visible) .nav-flip-char-face--top,
.index-nav-item:is(:hover, :focus-visible) [data-nav-flip] .nav-flip-char-face--top {
    transform: translateY(-115%) rotateX(90deg);
    opacity: 0;
}

[data-nav-flip]:is(:hover, :focus-visible) .nav-flip-char-face--bottom,
.index-nav-item:is(:hover, :focus-visible) [data-nav-flip] .nav-flip-char-face--bottom {
    transform: translateY(0) rotateX(0deg);
    opacity: 1;
}

/* ============================================
   INDEX / NAVIGATION PAGE
   ============================================ */

.index-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: clamp(1.5rem, 4vw, 3rem);
}

.index-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
}

.index-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
}

.index-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

.index-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
}

.index-nav-item {
    display: flex;
    align-items: center;
    padding: clamp(1rem, 3vh, 2.5rem) 0;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.index-nav-item:first-child {
    border-top: 1px solid var(--border);
}

.index-nav-number {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    width: 60px;
    flex-shrink: 0;
    transition: color 0.4s;
}

.index-nav-text {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 7vw, 7rem);
    font-weight: 800;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    transition: all 0.5s var(--ease-out-expo);
    transform: translateX(0);
}

.index-nav-arrow {
    margin-left: auto;
    font-size: 2rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s var(--ease-out-expo);
}

.index-nav-item:hover .index-nav-text {
    transform: translateX(20px);
    color: var(--accent);
}

.index-nav-item:hover .index-nav-number {
    color: var(--accent);
}

.index-nav-item:hover .index-nav-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--accent);
}

.index-nav-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--accent);
    opacity: 0.05;
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s var(--ease-out-expo);
    z-index: -1;
}

.index-nav-item:hover::before {
    transform: scaleY(1);
    transform-origin: bottom;
}

.index-footer {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: clamp(1rem, 3vw, 3rem);
    padding-top: 2rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-align: center;
}

/* ============================================
   HOME PAGE — HERO
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--header-height);
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-label .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-muted);
    max-width: 500px;
    line-height: 1.7;
    margin-bottom: 3rem;
}

.hero-subtitle.hero-subtitle--inline {
    margin-top: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    filter: blur(80px);
}

.hero-shape--1 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    top: 10%;
    right: -10%;
    animation: float-1 12s ease-in-out infinite;
}

.hero-shape--2 {
    width: 350px;
    height: 350px;
    background: #ff6b6b;
    bottom: 10%;
    left: -5%;
    animation: float-2 15s ease-in-out infinite;
}

.hero-shape--3 {
    width: 250px;
    height: 250px;
    background: #6b6bff;
    top: 40%;
    left: 40%;
    animation: float-3 10s ease-in-out infinite;
}

/* ============================================
   HOME PAGE — ABOUT PREVIEW
   ============================================ */

.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 6rem);
    align-items: center;
}

.about-preview-text {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--text-muted);
    line-height: 1.8;
}

.about-preview-text p+p {
    margin-top: 1.5rem;
}

.about-preview-image {
    position: relative;
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-elevated);
}

.about-preview-image .placeholder-avatar {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    background: linear-gradient(135deg, var(--accent-dim), var(--bg-elevated));
}

/* ============================================
   PAGE HERO (shared across sub-pages)
   ============================================ */

.page-hero {
    padding-top: calc(var(--header-height) + clamp(4rem, 10vh, 10rem));
    padding-bottom: clamp(3rem, 6vh, 6rem);
}

.page-hero-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.page-hero-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-hero-top .page-hero-label {
    margin-bottom: 0;
}

.page-hero-content {
    min-width: 0;
}

.page-hero-nav {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.page-nav-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: color 0.3s var(--ease-out-expo);
}

.page-nav-arrow:hover {
    color: var(--accent);
}

.page-nav-arrow svg {
    transition: transform 0.3s var(--ease-out-expo);
}

.page-nav-arrow.disabled {
    opacity: 0.3;
    pointer-events: none;
    cursor: default;
}

.page-nav-arrow:first-child:hover svg {
    transform: translateX(-3px);
}

.page-nav-arrow:last-child:hover svg {
    transform: translateX(3px);
}

.page-hero-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

/* ============================================
   PROJECTS MOSAIC
   ============================================ */

.projects-mosaic {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mosaic-row {
    display: grid;
    gap: 1.5rem;
    transition: grid-template-columns .5s var(--ease-out-expo);
}

.mosaic-row:has(.mosaic-item--lg:first-child) {
    grid-template-columns: 2fr 1fr;
}

.mosaic-row:has(.mosaic-item--sm:first-child) {
    grid-template-columns: 1fr 2fr;
}

.mosaic-item {
    position: relative;
    height: clamp(320px, 45vw, 500px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: none;
    min-width: 0;
    background-color: #1a1a1a;
}

.mosaic-img {
    position: absolute;
    top: -40px;
    right: 0;
    bottom: -40px;
    left: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    transition: right 0.5s var(--ease-out-expo), left 0.5s var(--ease-out-expo);
}

.mosaic-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    transition: left 0.5s var(--ease-out-expo) 0.15s, right 0.5s var(--ease-out-expo) 0.15s;
}

.mosaic-title {
    font-family: var(--font-heading);
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0.75rem;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.15s linear, transform 0s 0.15s;
}

.mosaic-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
    max-width: 500px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.15s linear, transform 0s 0.15s;
}

.mosaic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.15s linear, transform 0s 0.15s;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    color: var(--text-muted);
}

.mosaic-link {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.15s linear, transform 0s 0.15s;
}

.mosaic-link .arrow {
    transition: transform 0.3s var(--ease-out-expo);
}

.mosaic-link:hover .arrow {
    transform: translateX(4px);
}

/* Mosaic hover expansion */

.mosaic-row:has(.mosaic-left:hover) {
    grid-template-columns: 1fr 0fr;
}

.mosaic-row:has(.mosaic-right:hover) {
    grid-template-columns: 0fr 1fr;
}

.mosaic-row:has(.mosaic-left:hover) .mosaic-left .mosaic-img {
    right: 50%;
}

.mosaic-row:has(.mosaic-left:hover) .mosaic-left .mosaic-overlay {
    left: 50%;
    justify-content: center;
    transition: left 0.5s var(--ease-out-expo), right 0.5s var(--ease-out-expo);
}

.mosaic-row:has(.mosaic-right:hover) .mosaic-right .mosaic-img {
    left: 50%;
}

.mosaic-row:has(.mosaic-right:hover) .mosaic-right .mosaic-overlay {
    right: 50%;
    justify-content: center;
    transition: left 0.5s var(--ease-out-expo), right 0.5s var(--ease-out-expo);
}

.mosaic-row:has(.mosaic-left:hover) .mosaic-left .mosaic-title,
.mosaic-row:has(.mosaic-right:hover) .mosaic-right .mosaic-title {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s var(--ease-out-expo) 0.15s, transform 0.35s var(--ease-out-expo) 0.15s;
}

.mosaic-row:has(.mosaic-left:hover) .mosaic-left .mosaic-desc,
.mosaic-row:has(.mosaic-right:hover) .mosaic-right .mosaic-desc {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s var(--ease-out-expo) 0.22s, transform 0.35s var(--ease-out-expo) 0.22s;
}

.mosaic-row:has(.mosaic-left:hover) .mosaic-left .mosaic-tags,
.mosaic-row:has(.mosaic-right:hover) .mosaic-right .mosaic-tags {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s var(--ease-out-expo) 0.28s, transform 0.35s var(--ease-out-expo) 0.28s;
}

.mosaic-row:has(.mosaic-left:hover) .mosaic-left .mosaic-link,
.mosaic-row:has(.mosaic-right:hover) .mosaic-right .mosaic-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s var(--ease-out-expo) 0.33s, transform 0.35s var(--ease-out-expo) 0.33s;
}

/* ============================================
   ABOUT PAGE
   ============================================ */

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(3rem, 6vw, 8rem);
    align-items: start;
}

.about-story p {
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-story p strong {
    color: var(--text);
}

.about-story-cta {
    margin-top: 3rem;
}

.about-image {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 5;
    background: var(--bg-elevated);
}

.about-image .placeholder-avatar {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    background: linear-gradient(135deg, var(--accent-dim), var(--bg-elevated));
}


.skills-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.skill-category {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    transition: border-color 0.4s var(--ease-out-expo);
}

.skill-category:hover {
    border-color: rgba(200, 255, 0, 0.15);
}

.skill-category-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.4s var(--ease-out-expo);
}

.skill-tag:hover {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(200, 255, 0, 0.2);
}

.skill-icon {
    width: 14px;
    height: 14px;
    transition: filter 0.4s var(--ease-out-expo);
}

.skill-tag:hover .skill-icon {
    filter: brightness(0);
}

.experience-section {
    margin-top: clamp(3rem, 6vh, 6rem);
}

.experience-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}

.experience-year {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.experience-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.experience-place {
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.experience-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: clamp(3rem, 6vw, 8rem);
    align-items: start;
}

.form-group {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 0;
    font-size: 1.1rem;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    outline: none;
    transition: border-color 0.3s;
}

.form-input:focus,
.form-textarea:focus {
    border-bottom-color: var(--accent);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.contact-info {
    padding-top: 1rem;
}

.contact-info-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
    transition: all 0.3s var(--ease-out-expo);
}

.contact-link:hover {
    color: var(--accent);
    padding-left: 0.5rem;
}

.contact-link .link-icon {
    display: flex;
    align-items: center;
    font-size: 1.2rem;
}

.contact-icon {
    width: 18px;
    height: 18px;
    transition: filter 0.3s var(--ease-out-expo);
}

.contact-link:hover .contact-icon {
    filter: brightness(0) saturate(100%) invert(89%) sepia(47%) saturate(1000%) hue-rotate(22deg) brightness(105%);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    transition: all 0.4s var(--ease-out-expo);
}

.social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.social-link:hover .contact-icon {
    filter: brightness(0);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    border-top: 1px solid var(--border);
    padding: clamp(3rem, 6vh, 5rem) 0;
    min-height: 280px;
    background: var(--bg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 300px;
}

.footer-heading {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.footer-grid > div:not(:first-child) {
    text-align: right;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-end;
}

.footer-links a {
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   VIEW TRANSITIONS
   ============================================ */

@view-transition {
    navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
    animation-duration: 700ms;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

::view-transition-old(root) {
    animation-name: page-old-out;
}

::view-transition-new(root) {
    animation-name: page-new-in;
}

/* ============================================
   KEYFRAMES
   ============================================ */

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

@keyframes float-1 {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(-40px, 30px) scale(1.1);
    }
    66% {
        transform: translate(20px, -20px) scale(0.95);
    }
}

@keyframes float-2 {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -40px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

@keyframes float-3 {
    0%,
    100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(30px, 30px);
    }
}

@keyframes page-old-out {
    from {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    to {
        transform: translateY(-10%) scale(0.9);
        opacity: 1;
    }
}

@keyframes page-new-in {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

/* ============================================
   MEDIA QUERIES
   ============================================ */

@media (pointer: coarse) {
    .cursor {
        display: none;
    }

    body {
        cursor: auto;
    }

    a,
    button,
    input,
    textarea {
        cursor: auto;
    }

    .mosaic-img {
        background-attachment: scroll;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-flip-char-face {
        transition: none;
    }

    .nav-flip-char-face--bottom {
        display: none;
    }

    [data-nav-flip]:is(:hover, :focus-visible) .nav-flip-char-face--top,
    .index-nav-item:is(:hover, :focus-visible) [data-nav-flip] .nav-flip-char-face--top {
        transform: none;
        opacity: 1;
    }

    ::view-transition-old(root),
    ::view-transition-new(root) {
        animation-duration: 1ms;
    }
}

@media (max-width: 900px) {
    .about-preview {
        grid-template-columns: 1fr;
    }

    .about-preview-image {
        max-width: 400px;
    }

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

    .skills-categories {
        grid-template-columns: 1fr;
    }

    .about-image {
        position: relative;
        top: 0;
        max-width: 400px;
        order: -1;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-grid > div:not(:first-child) {
        text-align: left;
    }

    .footer-links {
        align-items: flex-start;
    }

    .experience-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .index-nav-arrow {
        display: none;
    }

    .mosaic-img {
        background-attachment: scroll;
    }
}

@media (max-width: 600px) {
    main {
        margin-bottom: 320px;
    }

    .heading-xl {
        white-space: normal;
        flex-wrap: wrap;
        gap: 0 0.3em;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        justify-content: center;
    }

    .mosaic-row,
    .mosaic-row:has(.mosaic-item--lg:first-child),
    .mosaic-row:has(.mosaic-item--sm:first-child),
    .mosaic-row:has(.mosaic-left:hover),
    .mosaic-row:has(.mosaic-right:hover) {
        grid-template-columns: 1fr;
    }

    .mosaic-item {
        height: auto;
        min-height: 280px;
    }

    .mosaic-img {
        background-attachment: scroll;
    }

    .mosaic-overlay {
        position: relative;
        background: var(--bg-elevated);
        padding: 1.5rem;
    }

    .mosaic-img {
        position: relative;
        top: 0;
        bottom: 0;
        height: 200px;
    }

    .mosaic-title,
    .mosaic-desc,
    .mosaic-tags,
    .mosaic-link {
        opacity: 1;
        transform: none;
    }

    .mosaic-row:has(.mosaic-left:hover) .mosaic-left .mosaic-img,
    .mosaic-row:has(.mosaic-right:hover) .mosaic-right .mosaic-img {
        right: 0;
        left: 0;
    }

    .mosaic-row:has(.mosaic-left:hover) .mosaic-left .mosaic-overlay,
    .mosaic-row:has(.mosaic-right:hover) .mosaic-right .mosaic-overlay {
        left: 0;
        right: 0;
        justify-content: flex-end;
    }

    .index-nav-text {
        font-size: clamp(2rem, 10vw, 3.5rem);
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}