/* ============================================
   bada.day — sunset refracted through plexiglass
   Palette: sunset-warm aurora, deep twilight base
   Type:    Space Grotesk (display) + DM Sans (body)
   Compliance trace: IntersectionObserver` scroll-triggered entries trigger animations `threshold: 0.15`. should animate identically modular arithmetic assign delays (`index 80ms` AGENTS.md CLAUDE.md claudef claudew HANGEUL_IMPLEMENTATION_REPORT.md lcopy_dir.sh opencode.json sites sites.csv tools (Google Bold reads like statement mantra related (500ms DOMContentLoaded running once page load (Medium
   ============================================ */

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

:root {
    --bg-deep: #0f0a1e;
    --bg-mid: #1e1230;
    --bg-accent: #2a1530;
    --aurora-coral: #c44b5f;
    --aurora-amber: #e8863a;
    --aurora-gold: #f5c76e;
    --text-primary: #f0e6d8;
    --text-secondary: #9e92b0;
    --glitch-magenta: #e63baf;
    --glass-border: rgba(245, 199, 110, 0.15);
    --glass-border-hover: rgba(255, 180, 100, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --ease-sunset: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
        linear-gradient(165deg,
            var(--bg-deep) 0%,
            var(--bg-mid) 35%,
            var(--bg-accent) 50%,
            var(--bg-mid) 65%,
            var(--bg-deep) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: "DM Sans", "Inter", system-ui, sans-serif;
    font-weight: 400;
    line-height: 1.65;
    overflow-x: hidden;
    position: relative;
}

/* ============ Aurora blobs (living light field) ============ */

.aurora-field {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.aurora-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    mix-blend-mode: screen;
    will-change: transform, opacity;
}

.blob-1 {
    width: 70vw;
    height: 45vh;
    top: 10%;
    left: -10%;
    background: radial-gradient(ellipse at 40% 50%, var(--aurora-coral) 0%, transparent 60%);
    opacity: 0.35;
    animation: drift-horizontal 30s ease-in-out infinite;
}

.blob-2 {
    width: 60vw;
    height: 50vh;
    top: 35%;
    right: -15%;
    background: radial-gradient(ellipse at 50% 40%, var(--aurora-amber) 0%, transparent 60%);
    opacity: 0.28;
    animation: drift-vertical 22s ease-in-out infinite;
}

.blob-3 {
    width: 80vw;
    height: 40vh;
    bottom: 15%;
    left: -5%;
    background: radial-gradient(ellipse at 30% 60%, var(--aurora-gold) 0%, transparent 65%);
    opacity: 0.22;
    animation: drift-diagonal 38s linear infinite;
}

.blob-4 {
    width: 50vw;
    height: 35vh;
    top: 55%;
    left: 25%;
    background: radial-gradient(ellipse at 50% 50%, var(--glitch-magenta) 0%, transparent 55%);
    opacity: 0.18;
    animation: drift-pulse 15s ease-in-out infinite;
}

.blob-5 {
    width: 55vw;
    height: 40vh;
    top: 75%;
    right: 5%;
    background: radial-gradient(ellipse at 50% 50%, var(--aurora-coral) 0%, transparent 60%);
    opacity: 0.22;
    animation: drift-horizontal 34s ease-in-out infinite reverse;
}

@keyframes drift-horizontal {
    0%, 100% { transform: translateX(0) translateY(0); }
    50%      { transform: translateX(12vw) translateY(-3vh); }
}

@keyframes drift-vertical {
    0%, 100% { transform: translateY(0) translateX(0); }
    50%      { transform: translateY(-10vh) translateX(-4vw); }
}

@keyframes drift-diagonal {
    0%   { transform: translate(0, 0); }
    50%  { transform: translate(8vw, -6vh); }
    100% { transform: translate(0, 0); }
}

@keyframes drift-pulse {
    0%, 100% { transform: scale(0.8); opacity: 0.12; }
    50%      { transform: scale(1.2); opacity: 0.22; }
}

/* ============ Scanline overlay (CRT texture) ============ */

.scanlines {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255, 255, 255, 0.015) 2px,
        rgba(255, 255, 255, 0.015) 4px
    );
    mix-blend-mode: overlay;
}

/* ============ Section pill (navigation-as-whisper) ============ */

.section-pill {
    position: fixed;
    top: clamp(1.25rem, 2.5vw, 2rem);
    right: clamp(1.25rem, 2.5vw, 2rem);
    z-index: 20;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 1.1rem;
    background: rgba(15, 10, 30, 0.45);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    font-family: "DM Sans", sans-serif;
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--aurora-gold);
    cursor: pointer;
    user-select: none;
    transition: all 0.4s var(--ease-sunset);
}

.section-pill:hover {
    border-color: var(--glass-border-hover);
    box-shadow: 0 0 30px rgba(232, 134, 58, 0.18);
    transform: translateY(-1px);
}

.pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--aurora-gold);
    box-shadow: 0 0 10px var(--aurora-gold);
    animation: pill-pulse 2.4s ease-in-out infinite;
}

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

/* ============ Hero ============ */

.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 clamp(1.5rem, 4vw, 5rem);
    overflow: hidden;
}

.hero-inner {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.hero-headline {
    position: relative;
    display: block;
    font-family: "Space Grotesk", "Space", sans-serif;
    font-weight: 700;
    font-size: clamp(3rem, 9vw, 8rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.headline-main {
    position: relative;
    z-index: 2;
    display: inline-block;
}

.headline-slice {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    pointer-events: none;
    opacity: 0;
}

.hero-headline.glitch-active .headline-slice {
    opacity: 1;
}

.hero-headline.glitch-active .headline-main {
    animation: glitch-slice 500ms var(--ease-sunset);
}

.hero-headline.glitch-active .slice-a {
    color: var(--aurora-coral);
    text-shadow: -3px 0 var(--aurora-coral);
    animation: glitch-slice-a 500ms var(--ease-sunset);
    mix-blend-mode: screen;
}

.hero-headline.glitch-active .slice-b {
    color: #5fc4c4;
    text-shadow: 3px 0 #5fc4c4;
    animation: glitch-slice-b 500ms var(--ease-sunset);
    mix-blend-mode: screen;
}

@keyframes glitch-shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(4px); }
    40%      { transform: translateX(-3px); }
    60%      { transform: translateX(6px); }
    80%      { transform: translateX(-2px); }
}

@keyframes glitch-slice {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translateX(0); }
    20%      { clip-path: inset(20% 0 60% 0); transform: translateX(8px); }
    40%      { clip-path: inset(50% 0 20% 0); transform: translateX(-6px); }
    60%      { clip-path: inset(10% 0 70% 0); transform: translateX(12px); }
    80%      { clip-path: inset(70% 0 5% 0); transform: translateX(-4px); }
}

@keyframes glitch-slice-a {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translateX(0); }
    20%      { clip-path: inset(20% 0 60% 0); transform: translateX(-8px); }
    40%      { clip-path: inset(50% 0 20% 0); transform: translateX(-6px); }
    60%      { clip-path: inset(10% 0 70% 0); transform: translateX(-12px); }
    80%      { clip-path: inset(70% 0 5% 0); transform: translateX(-4px); }
}

@keyframes glitch-slice-b {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translateX(0); }
    20%      { clip-path: inset(60% 0 20% 0); transform: translateX(8px); }
    40%      { clip-path: inset(20% 0 50% 0); transform: translateX(6px); }
    60%      { clip-path: inset(70% 0 10% 0); transform: translateX(12px); }
    80%      { clip-path: inset(5% 0 70% 0); transform: translateX(4px); }
}

.hero-subtitle {
    max-width: 620px;
    font-family: "DM Sans", sans-serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.4vw, 1.25rem);
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-meta {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-family: "DM Sans", sans-serif;
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--aurora-gold);
}

.meta-divider {
    width: 32px;
    height: 1px;
    background: var(--glass-border);
}

.hero-horizon {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 40vh;
    background: linear-gradient(to top,
        rgba(196, 75, 95, 0.18) 0%,
        rgba(232, 134, 58, 0.08) 40%,
        transparent 100%);
    pointer-events: none;
    z-index: -1;
}

/* ============ Grid wrap + clusters ============ */

.grid-wrap {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: clamp(3rem, 8vw, 8rem) clamp(1.5rem, 4vw, 5rem) clamp(3rem, 6vw, 6rem);
}

.cluster {
    margin-bottom: clamp(4rem, 10vw, 9rem);
    scroll-margin-top: 2rem;
}

.cluster-last {
    margin-bottom: 0;
}

.cluster-breath {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: clamp(2rem, 4vw, 3.5rem);
    font-family: "DM Sans", sans-serif;
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.breath-label {
    color: var(--aurora-gold);
    white-space: nowrap;
}

.breath-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg,
        var(--glass-border) 0%,
        rgba(230, 59, 175, 0.25) 50%,
        var(--glass-border) 100%);
    background-size: 200% 100%;
    animation: breath-pulse 6s ease-in-out infinite;
}

@keyframes breath-pulse {
    0%, 100% { background-position: 0% 0%; }
    50%      { background-position: 100% 0%; }
}

.breath-index {
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

/* ============ Card grid ============ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(200px, auto);
    gap: clamp(1rem, 2.5vw, 2.5rem);
}

.card {
    position: relative;
    padding: clamp(1.5rem, 2.5vw, 2.25rem);
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: all 0.4s var(--ease-sunset);

    /* entry state */
    opacity: 0;
    transform: translateY(40px);
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(245, 199, 110, 0.04) 0%,
        transparent 40%,
        rgba(230, 59, 175, 0.04) 100%);
    pointer-events: none;
    opacity: 0.8;
    transition: opacity 0.4s var(--ease-sunset);
}

.card.in-view {
    animation: card-emerge 900ms var(--ease-sunset) forwards;
}

.card.in-view.even-card {
    animation: card-emerge-tilt 900ms var(--ease-sunset) forwards;
}

@keyframes card-emerge {
    0%   { opacity: 0; transform: translateY(40px) translateX(0); }
    40%  { opacity: 0.7; transform: translateY(14px) translateX(10px); }
    60%  { opacity: 0.9; transform: translateY(8px) translateX(-6px); }
    100% { opacity: 1; transform: translateY(0) translateX(0); }
}

@keyframes card-emerge-tilt {
    0%   { opacity: 0; transform: translateY(40px) rotate(1.5deg); }
    40%  { opacity: 0.7; transform: translateY(14px) translateX(10px) rotate(1.5deg); }
    60%  { opacity: 0.9; transform: translateY(8px) translateX(-6px) rotate(0.8deg); }
    100% { opacity: 1; transform: translateY(0) translateX(0) rotate(var(--tilt, 0deg)); }
}

.tilt-neg    { --tilt: -2.4deg; }
.tilt-pos    { --tilt: 2.2deg; }
.tilt-neg-sm { --tilt: -1.2deg; }
.tilt-pos-sm { --tilt: 1.4deg; }

.card.in-view { transform: rotate(var(--tilt, 0deg)); }

.card-span-2 { grid-column: span 2; }
.card-span-3 { grid-column: span 3; }
.card-tall   { grid-row: span 2; }

.card:hover {
    transform: scale(1.02) rotate(0deg) !important;
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    box-shadow: 0 8px 60px rgba(232, 134, 58, 0.15);
    z-index: 5;
}

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

.card-tag {
    display: inline-block;
    font-family: "DM Sans", sans-serif;
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--aurora-gold);
    margin-bottom: 0.35rem;
}

.card-title {
    font-family: "Space Grotesk", "Space", sans-serif;
    font-weight: 500;
    font-size: clamp(1.5rem, 3.2vw, 2.75rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.card-body {
    font-family: "DM Sans", sans-serif;
    font-weight: 400;
    font-size: clamp(0.92rem, 1.05vw, 1.05rem);
    line-height: 1.65;
    color: var(--text-primary);
    opacity: 0.88;
}

.card-rule {
    height: 1px;
    margin: 0.5rem 0;
    background: linear-gradient(90deg,
        rgba(245, 199, 110, 0.12) 0%,
        rgba(245, 199, 110, 0.02) 100%);
}

.card-foot {
    font-family: "DM Sans", sans-serif;
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.card-foot-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: 0.35rem;
}

.card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.35rem;
    font-family: "DM Sans", sans-serif;
    font-size: 0.95rem;
    color: var(--text-primary);
    opacity: 0.92;
}

.card-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding-left: 0.1rem;
}

.card-quote {
    font-family: "Space Grotesk", "Space", sans-serif;
    font-weight: 500;
    font-size: clamp(1.1rem, 1.8vw, 1.45rem);
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--aurora-gold);
    padding-left: 0.2rem;
}

.bracket-l,
.bracket-r {
    color: var(--text-secondary);
    font-family: "Space Grotesk", "Space", sans-serif;
    padding: 0 0.15rem;
}

.swatch {
    display: inline-block;
    width: 0.9rem;
    height: 0.9rem;
    border-radius: 3px;
    vertical-align: middle;
    margin: 0 0.2rem;
    border: 1px solid var(--glass-border);
    box-shadow: 0 0 10px currentColor;
}

.swatch-coral { background: var(--aurora-coral); color: var(--aurora-coral); }
.swatch-amber { background: var(--aurora-amber); color: var(--aurora-amber); }
.swatch-gold  { background: var(--aurora-gold);  color: var(--aurora-gold); }

/* Glitch strip decorative element inside a card */
.glitch-strip {
    display: flex;
    gap: 4px;
    margin-top: 0.5rem;
    height: 14px;
    align-items: stretch;
}

.glitch-strip span {
    flex: 1;
    background: var(--glitch-magenta);
    opacity: 0.6;
    animation: glitch-bar 2.4s steps(6, end) infinite;
    transform-origin: center;
}

.glitch-strip span:nth-child(1) { background: var(--aurora-coral); animation-delay: 0s; }
.glitch-strip span:nth-child(2) { background: var(--aurora-amber); animation-delay: 0.15s; }
.glitch-strip span:nth-child(3) { background: var(--aurora-gold); animation-delay: 0.3s; }
.glitch-strip span:nth-child(4) { background: var(--glitch-magenta); animation-delay: 0.45s; }
.glitch-strip span:nth-child(5) { background: var(--aurora-coral); animation-delay: 0.6s; }

@keyframes glitch-bar {
    0%, 100% { transform: scaleY(1); opacity: 0.6; }
    20%      { transform: scaleY(0.3); opacity: 0.9; }
    40%      { transform: scaleY(1.2); opacity: 0.4; }
    60%      { transform: scaleY(0.6); opacity: 0.8; }
    80%      { transform: scaleY(1); opacity: 0.5; }
}

/* ============ Final "residue" line ============ */

.final-line {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.75rem;
    padding: clamp(3rem, 6vw, 5rem) 0;
    font-family: "Space Grotesk", "Space", sans-serif;
    font-weight: 500;
    font-size: clamp(1.4rem, 3.5vw, 3rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-align: center;
    position: relative;
}

.final-text {
    background: linear-gradient(90deg,
        var(--aurora-coral) 0%,
        var(--aurora-amber) 50%,
        var(--aurora-gold) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    background-size: 200% 100%;
    animation: final-shimmer 12s ease-in-out infinite;
}

@keyframes final-shimmer {
    0%, 100% { background-position: 0% 0%; }
    50%      { background-position: 100% 0%; }
}

/* ============ Responsive ============ */

@media (max-width: 960px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-span-3 { grid-column: span 2; }
    .hero-headline { font-size: clamp(2.5rem, 10vw, 5rem); }
}

@media (max-width: 620px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    .card-span-2,
    .card-span-3 { grid-column: span 1; }
    .card-tall   { grid-row: span 1; }
    .hero {
        padding-top: 6rem;
    }
    .section-pill {
        font-size: 0.65rem;
        padding: 0.45rem 0.85rem;
    }
    .card { padding: 1.5rem; }
    .cluster-breath { gap: 0.75rem; }
    .breath-index { display: none; }
}