/* === Variables === */
:root {
    --bg: #141413;
    --bg2: #1c1b1a;
    --bg3: #232220;
    --text: #d6d2cb;
    --text2: #958f87;
    --text3: #5e5a55;
    --accent: #c16050;
    --accent-dim: #8a453a;
    --accent-glow: rgba(193, 96, 80, 0.12);
    --border: #2a2826;
    --radius: 4px;
    --mono: 'DM Mono', 'JetBrains Mono', monospace;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --color-transition: 0.6s;
}

/* Smooth accent color transitions */
::selection,
.scroll-progress,
.sec-num,
.nav-link::after,
.project-dot,
.contact-value.link,
.type-cursor {
    transition: color var(--color-transition) var(--ease), background var(--color-transition) var(--ease), border-color var(--color-transition) var(--ease), box-shadow var(--color-transition) var(--ease);
}

/* === Scroll Progress Bar === */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    background: var(--accent);
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 6px var(--accent-glow);
}

[data-theme="light"] {
    --bg: #f3f0eb;
    --bg2: #eae6e0;
    --bg3: #e0dbd4;
    --text: #2c2a27;
    --text2: #706a63;
    --text3: #9c958d;
    --accent: #c16050;
    --accent-dim: #c16050;
    --accent-glow: rgba(193, 96, 80, 0.08);
    --border: #d5cfc7;
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
::selection { background: var(--accent); color: #fff; }

/* === Noise Overlay === */
#noise {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.35;
    mix-blend-mode: overlay;
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text3); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--text2); }

/* === Nav === */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.1rem 2rem;
    transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
    border-bottom: 1px solid transparent;
}
.nav.scrolled {
    background: rgba(20, 20, 19, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-color: var(--border);
}
[data-theme="light"] .nav.scrolled {
    background: rgba(243, 240, 235, 0.85);
}
.nav-inner {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-mark {
    font-size: 1rem;
    color: var(--text2);
    text-decoration: none;
    transition: color 0.2s;
}
.nav-mark:hover { color: var(--accent); }
.nav-links { display: flex; gap: 1.8rem; }
.nav-link {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text3);
    text-decoration: none;
    position: relative;
    padding: 0.15rem 0;
    transition: color 0.2s;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s var(--ease);
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }

.theme-btn {
    background: none;
    border: none;
    color: var(--text3);
    cursor: pointer;
    width: 28px;
    height: 28px;
    position: relative;
    transition: color 0.2s;
}
.theme-btn:hover { color: var(--text); }
.theme-btn svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transition: opacity 0.3s, transform 0.3s;
}
.theme-sun { opacity: 0; transform: rotate(-90deg) scale(0.6); }
.theme-moon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-sun { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-moon { opacity: 0; transform: rotate(90deg) scale(0.6); }

/* === Hero === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem 4rem;
    z-index: 1;
}
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse at 50% 40%, black 15%, transparent 65%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 15%, transparent 65%);
    pointer-events: none;
    opacity: 0.5;
    animation: bgBreathe 6s var(--ease) infinite;
}

@keyframes bgBreathe {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.55; }
}
.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 680px;
}

.hero-badge {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--text3);
    margin-bottom: 1.8rem;
    letter-spacing: 0.02em;
    opacity: 0;
    animation: fadeUp 0.6s var(--ease) forwards;
}
.hero-title {
    margin-bottom: 1.2rem;
    cursor: pointer;
    position: relative;
    display: inline-block;
    animation: heroReveal 0.8s var(--ease) 0.2s both;
    /* Remove default click outline */
    outline: none;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

/* ---- 3D Flipper ---- */
.hero-wrap {
    perspective: 1200px;
    display: inline-block;
    position: relative;
}

.hero-flipper {
    display: inline-grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    transform-style: preserve-3d;
    transition: transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
    will-change: transform;
    transform: translateZ(0);
}

.hero-flipper.flipped {
    transform: rotateY(180deg);
}

.hero-face {
    grid-area: 1 / 1 / 2 / 2;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    white-space: nowrap;
}

.hero-face.back {
    transform: rotateY(180deg);
}

/* ---- 3D float on hover ---- */
.hero-title:hover .hero-flipper:not(.flipped) {
    transform: rotateY(6deg) rotateX(-5deg) translateY(-6px);
}

.hero-title:hover .hero-flipper.flipped {
    transform: rotateY(186deg) rotateX(5deg) translateY(-6px);
}

/* Click hint label */
/* Pulse hint: very subtle brightness to hint interactivity */
.hero-title.pulse {
    animation: titleHintPulse 3s var(--ease) infinite;
}

@keyframes titleHintPulse {
    0%, 100% { filter: brightness(1); }
    40% { filter: brightness(1.12); }
}

/* Terminal-style underline indicator: draws left-to-right like a cursor */
.hero-title .title-underline {
    display: block;
    height: 2px;
    background: var(--accent);
    width: 0;
    margin-top: 0.15rem;
    transition: width 0.6s var(--ease);
    opacity: 0.25;
}

.hero-title:hover .title-underline {
    width: 100%;
}

.hero-title.pulse .title-underline {
    animation: underlineDraw 3s var(--ease) infinite;
}

@keyframes underlineDraw {
    0% { width: 0; opacity: 0; }
    20% { opacity: 0.25; }
    50% { width: 100%; opacity: 0.35; }
    80% { opacity: 0.25; }
    100% { width: 100%; opacity: 0; }
}

.hero-line {
    display: inline-block;
    font-size: clamp(3.2rem, 10vw, 5.5rem);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.04em;
    line-height: 1.08;
    white-space: nowrap;
}

.hero-line.cn {
    font-size: clamp(2.6rem, 8vw, 5.5rem);
    letter-spacing: -0.02em;
}

@keyframes heroReveal {
    from { opacity: 0; transform: translateY(40px) rotateX(12deg); }
    to { opacity: 1; transform: translateY(0) rotateX(0); }
}

.hero-typewrap {
    font-family: var(--mono);
    font-size: clamp(0.85rem, 2vw, 1rem);
    color: var(--text2);
    margin-bottom: 1.8rem;
    min-height: 1.6em;
    opacity: 0;
    animation: fadeUp 0.6s var(--ease) 0.5s forwards;
}
.type-cursor {
    color: var(--accent);
    animation: blink 0.8s step-end infinite;
    font-weight: 300;
}
@keyframes blink {
    50% { opacity: 0; }
}
.hero-lines {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 2.5rem;
}
.hero-line-item {
    font-size: 0.9rem;
    color: var(--text3);
    opacity: 0;
    animation: fadeUp 0.5s var(--ease) calc(0.7s + var(--i) * 0.12s) forwards;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.6s var(--ease) 1s forwards;
}
.hero-btn {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--text);
    text-decoration: none;
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--border);
    transition: all 0.25s var(--ease);
}
.hero-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeUp 0.6s var(--ease) 1.3s forwards;
}
.scroll-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}
.scroll-bar-track {
    width: 1px;
    height: 40px;
    background: var(--border);
    position: relative;
    overflow: hidden;
}
.scroll-bar-thumb {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 30%;
    background: var(--accent);
    animation: scrollBar 2s var(--ease) infinite;
}
@keyframes scrollBar {
    0% { transform: translateY(-100%); }
    50% { transform: translateY(230%); }
    100% { transform: translateY(-100%); }
}

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

/* === Sections === */
.section {
    padding: 5rem 2rem 6rem;
    position: relative;
    z-index: 1;
}
.container {
    max-width: 680px;
    margin: 0 auto;
}

.sec-head {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.sec-head.revealed {
    opacity: 1;
    transform: translateY(0);
}
.sec-num {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: 500;
}
.sec-title {
    font-family: var(--mono);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.01em;
    text-transform: uppercase;
}
.sec-sub {
    font-family: var(--sans);
    font-size: 0.72rem;
    color: var(--text3);
    font-weight: 400;
    letter-spacing: 0.02em;
}
.sec-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* === About === */
.about-layout {
    max-width: 460px;
}
.about-main {
    max-width: 460px;
}
.about-p {
    font-size: 1rem;
    color: var(--text2);
    line-height: 1.7;
    margin-bottom: 0.65rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.about-p.revealed { opacity: 1; transform: translateY(0); }
.about-p-alt {
    color: var(--text3);
    font-style: italic;
    font-size: 0.9rem;
}
/* === Projects === */
.projects-stack {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.project-card {
    display: block;
    padding: 1.2rem 1.4rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: all 0.25s var(--ease);
    opacity: 0;
    transform: translateY(12px);
}
.project-card.revealed {
    opacity: 1;
    transform: translateY(0);
}
.project-card:hover {
    border-color: var(--accent-dim);
    background: var(--accent-glow);
    transform: translateX(4px);
}
.project-card-top {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.4rem;
}
.project-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}
.project-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
}
.project-status {
    font-family: var(--mono);
    font-size: 0.65rem;
    padding: 0.15rem 0.5rem;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 3px;
    margin-left: auto;
    white-space: nowrap;
}
.project-brief {
    font-size: 0.8rem;
    color: var(--text3);
    margin-left: 1.35rem;
    line-height: 1.4;
}
.project-tech {
    display: flex;
    gap: 0.4rem;
    margin-left: 1.35rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}
.project-tech span {
    font-family: var(--mono);
    font-size: 0.6rem;
    padding: 0.15rem 0.4rem;
    background: var(--bg3);
    color: var(--text3);
    letter-spacing: 0.02em;
}

    max-width: 480px;
}
.contact-p {
    font-size: 1rem;
    color: var(--text2);
    margin-bottom: 1.5rem;
}
.contact-rows {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.contact-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.contact-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text3);
    width: 4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}
.contact-value {
    font-size: 0.9rem;
    color: var(--text2);
}
.contact-value.link {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
}
.contact-value.link:hover {
    border-color: var(--accent);
}

/* === Polaroid Scatter (in About section) === */
.polaroid-section {
    margin-top: 2.5rem;
    position: relative;
}

.polaroid-subhead {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--text2);
    letter-spacing: 0.04em;
    margin-bottom: 1.5rem;
    font-weight: 400;
    opacity: 0;
    transform: translateY(8px);
    animation: fadeUp 0.5s var(--ease) 0.15s forwards;
}

.polaroid-scatter {
    position: relative;
    height: 260px;
    cursor: pointer;
}

.polaroid-item {
    position: absolute;
    width: 170px;
    padding: 5px 5px 22px 5px;
    background: #f0ece4;
    border-radius: 2px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    cursor: pointer;
}

.polaroid-item:nth-child(1) {
    left: 2%;
    top: 8px;
    transform: rotate(-4.5deg);
    z-index: 3;
}

.polaroid-item:nth-child(2) {
    left: 32%;
    top: -5px;
    transform: rotate(5.5deg);
    z-index: 4;
}

.polaroid-item:nth-child(3) {
    left: 60%;
    top: 20px;
    transform: rotate(-2deg);
    z-index: 2;
}

.polaroid-item:nth-child(4) {
    left: 50%;
    top: 40px;
    transform: rotate(3deg);
    z-index: 1;
}

.polaroid-item:nth-child(5) {
    left: 15%;
    top: 50px;
    transform: rotate(-6deg);
    z-index: 1;
}

.polaroid-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 1px;
}

/* Hover: the hovered one lifts up, others dim slightly */
.polaroid-item:hover {
    transform: rotate(0deg) scale(1.08);
    z-index: 10;
    box-shadow: 0 14px 36px rgba(0,0,0,0.5);
}

.polaroid-scatter:hover .polaroid-item:not(:hover) {
    filter: brightness(0.6);
}

/* === Darkroom Mode === */
.darkroom {
    position: fixed;
    inset: 0;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
}

.darkroom.open {
    opacity: 1;
    pointer-events: all;
}

.darkroom.closing {
    opacity: 0;
    transition: opacity 0.35s var(--ease);
}

.darkroom.closing .darkroom-frame {
    transform: scale(0.88) translateY(30px);
    transition: transform 0.4s var(--ease);
}

.darkroom.closing .darkroom-overlay {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.25s var(--ease), transform 0.3s var(--ease);
}

.darkroom.closing .darkroom-close {
    opacity: 0;
    transition: opacity 0.2s var(--ease);
}

.darkroom-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    cursor: pointer;
}

.darkroom-bg-img {
    position: absolute;
    inset: -10%;
    width: 120%;
    height: 120%;
    object-fit: cover;
    filter: blur(50px) brightness(0.35);
    transition: opacity 0.6s var(--ease);
    will-change: transform, filter;
}

.darkroom-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 72px; /* room for overlay */
}

.darkroom-frame {
    position: relative;
    max-width: 85vw;
    max-height: 78vh;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0,0,0,0.6);
    transform: scale(0.92) translateY(12px);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s var(--ease);
    line-height: 0;
    background: #000;
    opacity: 0;
}

.darkroom.open .darkroom-frame {
    opacity: 1;
}

.darkroom.open .darkroom-frame {
    transform: scale(1) translateY(0);
}

.darkroom-img {
    display: block;
    max-width: 85vw;
    max-height: 78vh;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* Close button */
.darkroom-close {
    position: fixed;
    top: 1.2rem;
    right: 1.2rem;
    z-index: 10000;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.4);
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s var(--ease);
    opacity: 0;
}

.darkroom.open .darkroom-close {
    opacity: 1;
    transition-delay: 0.2s;
}

.darkroom-close:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

/* === Glass overlay at page bottom === */
.darkroom-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    padding: 1rem 1.5rem 1.1rem;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.darkroom.open .darkroom-overlay {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.35s;
}

.darkroom-meta {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    flex: 1;
    min-width: 0;
}

.darkroom-line {
    line-height: 1.5;
    min-height: 0;
}

#darkroomTitleLine {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.01em;
}

#darkroomDetailsLine {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.02em;
}

.darkroom-dot {
    color: rgba(255,255,255,0.2);
    font-size: 0.75rem;
}

.darkroom-longdash {
    color: rgba(255,255,255,0.15);
    font-size: 0.7rem;
    letter-spacing: 0.02em;
}

.darkroom-location {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.02em;
}

#darkroomDate {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: rgba(255,255,255,0.25);
    letter-spacing: 0.02em;
}

/* Nav */
.darkroom-nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

.darkroom-arrow {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.35);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s var(--ease);
    line-height: 1;
}

.darkroom-arrow:hover {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
    border-color: rgba(255,255,255,0.1);
}

.darkroom-counter {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: rgba(255,255,255,0.25);
    min-width: 2.2rem;
    text-align: center;
    letter-spacing: 0.05em;
}

/* Image transition */
.darkroom-img.switching {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s var(--ease), transform 0.35s var(--ease);
}

.darkroom-img:not(.switching) {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s var(--ease) 0.1s, transform 0.4s var(--ease) 0.1s;
}

/* === Contact === */
.contact-block {
    max-width: 480px;
}
.contact-p {
    font-size: 1rem;
    color: var(--text2);
    margin-bottom: 1.5rem;
}
.contact-rows {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.contact-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.contact-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text3);
    width: 4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}
.contact-value {
    font-size: 0.9rem;
    color: var(--text2);
}
.contact-value.link {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
}
.contact-value.link:hover {
    border-color: var(--accent);
}

/* === Footer === */
.footer {
    padding: 3rem 2rem 4rem;
    position: relative;
    z-index: 1;
}
.footer-divider {
    height: 1px;
    background: var(--border);
    margin-bottom: 1.5rem;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}
.footer-row {
    font-family: var(--mono);
    font-size: 0.78rem;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.footer-prompt { color: var(--text3); }
.footer-cmd { color: var(--text3); }
.footer-out { color: var(--text2); }

/* === Responsive === */
@media (max-width: 640px) {
    .nav { padding: 0.9rem 1.2rem; }
    .nav-links { gap: 1.2rem; }
    .section { padding: 3.5rem 1.2rem; }
    .about-layout { max-width: 100%; }
    .hero { padding: 5rem 1.2rem 3rem; }

    /* Polaroid mobile: smaller + tighter spread */
    .polaroid-scatter { height: 180px; }
    .polaroid-item { width: 120px; padding: 4px 4px 16px 4px; }
    .polaroid-item:nth-child(1) { left: 0; top: 6px; }
    .polaroid-item:nth-child(2) { left: 28%; top: -2px; }
    .polaroid-item:nth-child(3) { left: 54%; top: 14px; }

    .darkroom-overlay { padding: 0.7rem 1rem; }
    #darkroomTitleLine { font-size: 0.82rem; }
    #darkroomDetailsLine { font-size: 0.65rem; }
    .darkroom-location { font-size: 0.62rem; }
    #darkroomDate { font-size: 0.6rem; }
    .darkroom-counter { font-size: 0.65rem; }
    .darkroom-close { top: 0.8rem; right: 0.8rem; width: 32px; height: 32px; }
    .darkroom-meta { font-size: 0.7rem; gap: 0.1rem; }
}