/* ============================================
   bada.style — CSS
   Five-act editorial descent
   Champagne to Espresso
   ============================================ */

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

:root {
    --espresso-noir: #2b1f14;
    --umber-silk: #6b4c2a;
    --amber-veil: #c4944a;
    --champagne-haze: #e8d5b5;
    --cream-linen: #f5ece0;
    --rose-dusk: #d4856a;
    --gilded-flare: #f0c87a;
    --act2-bg: #e2ccaa;
    --act3-bg: #d4c09a;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(to bottom, var(--champagne-haze), var(--espresso-noir));
    color: var(--espresso-noir);
    font-family: 'Karla', sans-serif;
    font-weight: 300;
    line-height: 1.72;
    letter-spacing: 0.015em;
    font-feature-settings: 'liga' 1, 'kern' 1;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

/* --- Fixed Wordmark --- */
.fixed-wordmark {
    position: fixed;
    top: 2rem;
    left: 2rem;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    color: var(--umber-silk);
    mix-blend-mode: difference;
    z-index: 1000;
    text-transform: uppercase;
}

/* --- Scroll Container --- */
#scroll-container {
    width: 100vw;
    height: 100vh;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    -webkit-overflow-scrolling: touch;
}

/* --- Act Base --- */
.act {
    width: 100vw;
    min-height: 100vh;
    position: relative;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* --- Bokeh Container (persistent) --- */
#bokeh-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.bokeh-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    will-change: transform, opacity;
}

.bokeh-circle--bg {
    opacity: 0.1;
    background: radial-gradient(circle, rgba(240, 200, 122, 0.3) 0%, transparent 70%);
    animation: bokeh-drift-bg var(--duration) cubic-bezier(0.37, 0, 0.63, 1) infinite;
    animation-delay: var(--delay);
}

.bokeh-circle--mid {
    opacity: 0.2;
    background: radial-gradient(circle, rgba(240, 200, 122, 0.35) 0%, transparent 70%);
    animation: bokeh-drift-mid var(--duration) cubic-bezier(0.37, 0, 0.63, 1) infinite;
    animation-delay: var(--delay);
}

.bokeh-circle--fg {
    opacity: 0.35;
    background: radial-gradient(circle, rgba(240, 200, 122, 0.4) 0%, transparent 70%);
    animation: bokeh-drift-fg var(--duration) cubic-bezier(0.37, 0, 0.63, 1) infinite;
    animation-delay: var(--delay);
}

@keyframes bokeh-drift-bg {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.08;
    }
    25% {
        transform: translateY(-30px) translateX(15px) scale(1.05);
        opacity: 0.12;
    }
    50% {
        transform: translateY(-15px) translateX(-10px) scale(0.97);
        opacity: 0.1;
    }
    75% {
        transform: translateY(-40px) translateX(20px) scale(1.03);
        opacity: 0.07;
    }
}

@keyframes bokeh-drift-mid {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.18;
    }
    30% {
        transform: translateY(-25px) translateX(-20px) scale(1.04);
        opacity: 0.24;
    }
    60% {
        transform: translateY(-50px) translateX(15px) scale(0.96);
        opacity: 0.2;
    }
}

@keyframes bokeh-drift-fg {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.3;
    }
    20% {
        transform: translateY(-15px) translateX(10px) scale(1.06);
        opacity: 0.38;
    }
    50% {
        transform: translateY(-35px) translateX(-15px) scale(0.95);
        opacity: 0.32;
    }
    80% {
        transform: translateY(-20px) translateX(25px) scale(1.02);
        opacity: 0.36;
    }
}

/* --- Bubble Container --- */
#bubble-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(212, 133, 106, 0.3);
    background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.05) 20%, transparent 60%);
    pointer-events: none;
    will-change: transform, opacity;
    animation: bubble-rise var(--rise-duration) linear forwards;
    animation-delay: var(--rise-delay, 0s);
    left: var(--x);
    bottom: -30px;
    width: var(--size);
    height: var(--size);
}

.bubble::before {
    content: '';
    position: absolute;
    top: 25%;
    left: 30%;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
}

@keyframes bubble-rise {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(calc(-100vh - 40px)) translateX(var(--wobble));
        opacity: 0;
    }
}

/* ============================================
   ACT I — THE APERTURE
   ============================================ */
.act-aperture {
    background: var(--champagne-haze);
    min-height: 100vh;
    z-index: 3;
    flex-direction: column;
}

.act-1-content {
    position: relative;
    text-align: center;
    z-index: 10;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.act-1-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.wordmark {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(5rem, 12vw, 14rem);
    letter-spacing: 0.03em;
    line-height: 0.92;
    color: var(--espresso-noir);
    text-transform: uppercase;
    font-weight: 400;
    position: relative;
}

.shimmer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(240, 200, 122, 0.15) 45%,
        rgba(240, 200, 122, 0.25) 50%,
        rgba(240, 200, 122, 0.15) 55%,
        transparent 60%
    );
    background-size: 200% 100%;
    animation: shimmer 4s ease-in-out infinite;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease;
}

.shimmer-overlay.active {
    opacity: 0.25;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.tagline {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1.2rem, 2.5vw, 2.5rem);
    letter-spacing: 0.02em;
    color: var(--espresso-noir);
    opacity: 0;
    margin-top: 1.5rem;
    transition: opacity 0.8s ease;
}

.tagline.visible {
    opacity: 0.7;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-line {
    display: block;
    width: 2px;
    height: 40px;
    background: var(--umber-silk);
    animation: scroll-pulse 2s ease-in-out infinite;
    transform-origin: top;
}

@keyframes scroll-pulse {
    0%, 100% { transform: scaleY(0); opacity: 0; }
    50% { transform: scaleY(1); opacity: 1; }
}

/* ============================================
   ACT II — THE STATEMENT
   ============================================ */
.act-statement {
    background: var(--act2-bg);
    min-height: 120vh;
    z-index: 3;
    align-items: flex-start;
    padding-top: 15vh;
}

.act-2-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(1rem, 2vw, 3rem);
    width: 100%;
    height: 100%;
    padding: 0 clamp(1rem, 2vw, 3rem);
}

.statement-lines {
    grid-column: 2 / 8;
    display: flex;
    flex-direction: column;
    gap: clamp(2rem, 4vh, 5rem);
    padding-top: 5vh;
}

.statement-line {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    position: relative;
}

.statement-line.revealed {
    opacity: 1;
    transform: translateY(0);
}

.statement-text {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2rem, 5vw, 5rem);
    letter-spacing: 0.03em;
    line-height: 0.92;
    color: var(--espresso-noir);
    text-transform: uppercase;
    font-weight: 400;
    display: block;
}

.underline-flourish {
    display: block;
    width: 0;
    height: 2px;
    background: var(--amber-veil);
    margin-top: 0.5rem;
    transition: width 0.8s cubic-bezier(0.37, 0, 0.63, 1);
}

.statement-line.revealed .underline-flourish {
    width: 100%;
}

.statement-bokeh-cluster {
    grid-column: 8 / 12;
    position: relative;
}

/* ============================================
   ACT III — THE GALLERY
   ============================================ */
.act-gallery {
    background: var(--act3-bg);
    min-height: 150vh;
    z-index: 3;
    align-items: stretch;
    padding: 10vh clamp(1rem, 2vw, 3rem);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: 1fr 1fr;
    gap: clamp(1.5rem, 3vw, 4rem);
    width: 100%;
    height: 100%;
}

.gallery-frame {
    background: var(--cream-linen);
    padding: clamp(2rem, 4vw, 4rem);
    box-shadow: 0 30px 80px rgba(43, 31, 20, 0.12);
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.gallery-frame.revealed {
    opacity: 1;
    transform: translateY(0);
}

.frame-a {
    grid-row: 1 / 3;
    grid-column: 2 / 6;
}

.frame-b {
    grid-row: 1 / 2;
    grid-column: 7 / 11;
}

.frame-c {
    grid-row: 2 / 3;
    grid-column: 6 / 10;
}

.frame-quote {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1.5rem, 3vw, 3rem);
    letter-spacing: 0.02em;
    color: var(--espresso-noir);
    opacity: 0.7;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.frame-caption {
    font-family: 'Karla', sans-serif;
    font-weight: 300;
    font-size: clamp(0.875rem, 1.2vw, 1.125rem);
    line-height: 1.72;
    letter-spacing: 0.015em;
    color: var(--umber-silk);
}

/* ============================================
   ACT IV — THE DETAIL
   ============================================ */
.act-detail {
    background: var(--espresso-noir);
    min-height: 100vh;
    z-index: 3;
    flex-direction: column;
}

.detail-content {
    text-align: center;
    position: relative;
    z-index: 10;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.detail-content.revealed {
    opacity: 1;
    transform: translateY(0);
}

.detail-word {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(4rem, 15vw, 18rem);
    letter-spacing: 0.03em;
    line-height: 0.92;
    color: var(--amber-veil);
    text-transform: uppercase;
    font-weight: 400;
    position: relative;
}

.detail-flourish {
    width: 0;
    height: 2px;
    background: var(--amber-veil);
    margin: 0 auto 1rem;
    transition: width 1.2s cubic-bezier(0.37, 0, 0.63, 1);
}

.detail-content.revealed .detail-flourish {
    width: clamp(100px, 30vw, 400px);
}

.detail-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1.2rem, 2.5vw, 2.5rem);
    letter-spacing: 0.02em;
    color: var(--champagne-haze);
    opacity: 0.6;
    margin-top: 1.5rem;
}

/* ============================================
   ACT V — THE WHISPER
   ============================================ */
.act-whisper {
    background: var(--espresso-noir);
    min-height: 80vh;
    z-index: 3;
    flex-direction: column;
}

.whisper-content {
    text-align: center;
    position: relative;
    z-index: 10;
    opacity: 0;
    transition: opacity 1s ease;
}

.whisper-content.revealed {
    opacity: 1;
}

.whisper-text {
    font-family: 'Karla', sans-serif;
    font-weight: 300;
    font-size: 0.875rem;
    letter-spacing: 0.015em;
    line-height: 1.72;
    color: var(--umber-silk);
    margin-bottom: 2rem;
}

.whisper-wordmark {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    letter-spacing: 0.03em;
    line-height: 0.92;
    color: var(--umber-silk);
    text-transform: uppercase;
    font-weight: 400;
    display: block;
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .bokeh-circle,
    .bubble,
    .shimmer-overlay,
    .scroll-line {
        animation: none !important;
        transition: none !important;
    }
    .act-1-content,
    .tagline,
    .statement-line,
    .gallery-frame,
    .detail-content,
    .whisper-content {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .underline-flourish {
        width: 100% !important;
        transition: none !important;
    }
    .detail-flourish {
        width: clamp(100px, 30vw, 400px) !important;
        transition: none !important;
    }
    .shimmer-overlay {
        opacity: 0 !important;
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .statement-lines {
        grid-column: 1 / -1;
        padding: 0 1rem;
    }

    .statement-bokeh-cluster {
        display: none;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .frame-a,
    .frame-b,
    .frame-c {
        grid-column: 1 / -1;
        grid-row: auto;
    }

    .act-2-grid {
        grid-template-columns: 1fr;
    }

    .fixed-wordmark {
        top: 1rem;
        left: 1rem;
        font-size: 1rem;
    }
}