#photography-showcase {
    position: relative;
    width: 100vw;
    height: 400vh;
    /* Smooth, contained scroll height mapped by CSS sticky */
    color: var(--text-dark);
}

.photography-container {
    position: sticky;
    top: 0;
    width: 100%;
    height: 105vh;
    /* Locks window while scrubbing */
    display: flex;
    align-items: center;
    overflow: hidden;
}

.photography-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--primary-bg) 0%, transparent 20%, transparent 80%, var(--primary-bg) 100%);
    z-index: 15;
    pointer-events: none;
}

.photo-3d {
    flex: 1;
    height: 100vh;
    position: relative;
    z-index: 20;
    /* Ensure 3D model appears above the carousel */
}

.photo-canvas {
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Centered Overlay Text */
.photo-hero-text {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    text-align: left;
    width: 100%;
    padding-left: 5%;
    pointer-events: none;
    /* Let clicks pass through to 3D canvas */
    z-index: 16;
    opacity: 1;
    /* Native visibility */
}

.photo-heading {
    font-family: var(--font-heading);
    font-size: clamp(60px, 12vw, 150px);
    line-height: 0.9;
    letter-spacing: -5px;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.photo-subhead {
    font-family: var(--font-main);
    font-size: clamp(16px, 2vw, 24px);
    color: var(--color-slate);
    font-weight: 300;
    letter-spacing: 2px;
    /* text-transform: uppercase; */
}

/* Watermark Backgrounds */
.photo-watermark-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 0;
    opacity: 0;
    /* Fade in GSAP */
    pointer-events: none;
}

.photo-watermark {
    font-family: var(--font-name);
    font-size: clamp(80px, 15vw, 150px);
    color: var(--rgba-black-05);
    white-space: nowrap;
    line-height: 1;
    z-index: 0;
}

.photo-sub-watermark {
    font-family: var(--font-name);
    font-size: clamp(40px, 8vw, 120px);
    color: var(--rgba-black-03);
    white-space: nowrap;
    margin-top: -2vw;
    line-height: 1;
}

/* Static Dual-Row Wallpapers */
.wallpaper-carousel-container {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: fit-content;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
}

.wallpaper-track-row {
    display: flex;
    gap: 30px;
    white-space: nowrap;
    width: max-content;
}

.track-1 {
    animation: marqueeLeft 80s linear infinite;
}

.track-2 {
    animation: marqueeRight 80s linear infinite;
}

@keyframes marqueeLeft {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-50% - 15px));
    }
}

@keyframes marqueeRight {
    0% {
        transform: translateX(calc(-50% - 15px));
    }

    100% {
        transform: translateX(0);
    }
}

.floating-phone-frame {
    position: relative;
    width: 20vh;
    height: 40vh;
    border-radius: 20px;
    border: 6px solid var(--color-gray-darker);
    overflow: hidden;
    box-shadow: 0px 15px 30px var(--rgba-black-80);
    background: var(--color-black);
    flex-shrink: 0;
}

/* Stagger the frames within rows */
.track-1 .floating-phone-frame:nth-child(odd) {
    margin-top: -10vh;
}

.track-1 .floating-phone-frame:nth-child(even) {
    margin-top: 5vh;
}

.track-2 .floating-phone-frame:nth-child(odd) {
    margin-top: 10vh;
}

.track-2 .floating-phone-frame:nth-child(even) {
    margin-top: 0vh;
}

.floating-phone-frame img.wallpaper {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Instagram Button */
.insta-btn-container {
    position: absolute;
    bottom: 155px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    opacity: 0;
    pointer-events: auto;
}

.instagram-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--rgba-black-05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--rgba-black-20);
    border-radius: 50px;
    color: var(--text-dark);
    text-decoration: none;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px var(--rgba-black-10);
    white-space: nowrap;
    overflow: hidden;
    width: 50px;
    height: 50px;
    padding: 0;
}

.instagram-btn:hover {
    background: var(--rgba-black-10);
    box-shadow: 0 15px 40px var(--rgba-black-20);
}

.insta-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.insta-text {
    opacity: 0;
    font-family: var(--font-main);
    width: 0;
    display: inline-block;
    transform: scale(0.8);
    transform-origin: left;
}