/* intro v17 — Death Note noir: circuit band, pulse rings, extrude text, duotone media, scroll slide-in */

/* Circuit-board traces — colour via Tailwind text-* on the band, currentColor in the pattern */
.intro-noir__circuit {
    background-image:
        repeating-linear-gradient(0deg, currentColor 0 1px, transparent 1px 32px),
        repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 32px);
    opacity: 0.18;
    -webkit-mask: linear-gradient(180deg, black, transparent);
    mask: linear-gradient(180deg, black, transparent);
}

/* Pulse rings from the band centre (size + placement so Bootstrap has no utility gap) */
.intro-noir__ring {
    width: 6rem;
    height: 6rem;
    top: 6rem;
    left: 50%;
    margin-left: -3rem;
    opacity: 0;
    animation: intro-noir-pulse 3.4s ease-out infinite;
}
.intro-noir__ring--2 { animation-delay: 1.7s; }

@keyframes intro-noir-pulse {
    0%   { transform: scale(0.4); opacity: 0.55; }
    100% { transform: scale(3.4); opacity: 0; }
}

/* Emboss seal circle */
.intro-noir__seal {
    width: 7rem;
    height: 7rem;
    font-size: 0.75rem;
    line-height: 1.1;
    padding: 0.75rem;
    transform: rotate(-8deg);
}

/* Extrude — stacked text-shadow depth using the element's own colour */
.intro-noir__extrude {
    text-shadow: 1px 1px 0 currentColor, 2px 2px 0 currentColor, 3px 3px 0 currentColor;
}

/* Duotone media: grayscale image + primary multiply tint (colour is a Tailwind class) */
.intro-noir__img {
    height: 10rem;
    object-fit: cover;
    filter: grayscale(1) contrast(1.05);
}

/* Sticky aside offset (Bootstrap position-sticky has no top-16 utility) */
@media (min-width: 992px) {
    .intro-noir__aside { top: 4rem; }
}
.intro-noir__tint {
    mix-blend-mode: multiply;
    opacity: 0.5;
}

/* Letter-spacing widen on hover */
.intro-noir__ttl { transition: letter-spacing 260ms ease; }
[data-card]:hover .intro-noir__ttl { letter-spacing: 0.08em; }

/* Slide-in entrance — pure CSS on the reliable [data-card] attribute; always ends visible */
@keyframes intro-noir-rise {
    from { opacity: 0; transform: translateY(2rem); }
    to   { opacity: 1; transform: translateY(0); }
}
.intro-noir [data-card] { animation: intro-noir-rise 560ms ease both; }

@media (prefers-reduced-motion: reduce) {
    .intro-noir__ring { animation: none; }
    .intro-noir [data-card] { animation: none; }
}

/* features pillars — circular icon tile size + column dividers (layout only, no colors) */
.features-pillars__tile {
    width: 4rem;
    height: 4rem;
}

.features-pillars__col:not(:first-child) {
    border-top-width: 1px;
    border-top-style: solid;
}

@media (min-width: 768px) {
    /* equal-width columns regardless of text length (basis 0 + min-width:0 lets a text-heavy item shrink) */
    .features-pillars__col {
        flex: 1 1 0%;
        min-width: 0;
    }

    .features-pillars__col:not(:first-child) {
        border-top-width: 0;
        border-left-width: 1px;
        border-left-style: solid;
    }
}

/* Geometry shared by both CSS frameworks (Bootstrap has no utilities for it) */
.whyus-tabletop {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.mxw-4xl {
    max-width: 56rem !important;
}

.whyus-tabletop__head {
    margin-bottom: 3rem;
}

.whyus-tabletop__overline {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.whyus-tabletop__heading {
    font-size: 1.875rem;
}

.whyus-tabletop__field {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    padding-top: 1rem;
    padding-bottom: 1.5rem;
}

.whyus-tabletop__card {
    padding: 1.5rem;
}

.whyus-tabletop__badge {
    top: 1rem;
    inset-inline-end: 1rem;
    width: 2rem;
    height: 2rem;
    font-size: 0.75rem;
}

.whyus-tabletop__icon-box {
    width: 4rem;
    height: 4rem;
}

.whyus-tabletop__card-body {
    min-width: 0;
}

.whyus-tabletop__card-title {
    font-size: 1.125rem;
}

.whyus-tabletop__cta-line {
    font-size: 0.75rem;
    letter-spacing: 0.025em;
}

/* scattered rotations (Bootstrap has no rotate utilities) */
.whyus-tabletop__card-wrap--r1 { transform: rotate(1deg); }
.whyus-tabletop__card-wrap--r2 { transform: rotate(-2deg); }
.whyus-tabletop__card-wrap--r3 { transform: rotate(2deg); }
.whyus-tabletop__card-wrap--r4 { transform: rotate(-1deg); }
.whyus-tabletop__card-wrap--r5 { transform: rotate(3deg); }

/* hover lift — `:where()` keeps specificity at 0-1-0 so Tailwind's hover:shadow-lg wins there */
:where(.whyus-tabletop__card):hover {
    box-shadow: var(--bs-box-shadow-lg);
}

@media (min-width: 768px) {
    .whyus-tabletop__head {
        margin-bottom: 4rem;
    }

    .whyus-tabletop__heading {
        font-size: 2.25rem;
    }

    .whyus-tabletop__field {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 2.5rem;
    }

    .whyus-tabletop__card-wrap--featured {
        grid-column: span 2 / span 2;
    }

    .whyus-tabletop__card {
        padding: 2rem;
    }

    .whyus-tabletop__card--featured {
        flex-direction: row;
        align-items: flex-start;
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .whyus-tabletop__field {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 3rem;
    }

    .whyus-tabletop__card-wrap--featured {
        grid-column: span 3 / span 3;
    }
}

/* whyus v23 — tabletop-scattered patent-drawing benefit cards */

/* dot-grid decorative overlay (no color: currentColor + opacity only, adapts to inherited text color) */
.whyus-tabletop__dot-grid {
    background-image: radial-gradient(circle, currentColor 1px, transparent 1px);
    background-size: 24px 24px;
    background-position: 0 0;
    opacity: 0.06;
}

/* heading entrance animation (cards stay static) */
@keyframes whyus-tabletop-fade-in {
    from {
        opacity: 0;
        transform: translateY(0.75rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.whyus-tabletop__overline {
    animation: whyus-tabletop-fade-in 600ms ease-out both;
}

.whyus-tabletop__heading {
    animation: whyus-tabletop-fade-in 700ms ease-out 120ms both;
}

/* patent-drawing numbered callout badge */
.whyus-tabletop__badge {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
}

/* sketch / line-art treatment on icons (monochrome, no hardcoded color) */
.whyus-tabletop__icon-sketch {
    filter: grayscale(1) contrast(1.15);
}

/* scattered card wrapper — smooth settle when reordered via drag */
.whyus-tabletop__card-wrap {
    transition: transform 200ms ease, opacity 200ms ease;
}

.whyus-tabletop__card-wrap--dragging {
    opacity: 0.45;
    transform: scale(0.97) rotate(0deg);
}

/* 3D tilt — consumes --rx / --ry custom properties set by script.js on pointermove */
.whyus-tabletop__card {
    --rx: 0deg;
    --ry: 0deg;
    transform: perspective(1000px) rotateX(var(--ry)) rotateY(var(--rx));
    transition: transform 250ms ease;
    transform-style: preserve-3d;
    will-change: transform;
}

@keyframes floatParticle1 {
    0% { 
        transform: translate(-20px, -20px) scale(0.8);
        opacity: 0.3;
    }
    25% { 
        transform: translate(20px, -30px) scale(1.2);
        opacity: 0.8;
    }
    50% { 
        transform: translate(30px, 20px) scale(0.9);
        opacity: 0.5;
    }
    75% { 
        transform: translate(-10px, 30px) scale(1.1);
        opacity: 0.7;
    }
    100% { 
        transform: translate(-20px, -20px) scale(0.8);
        opacity: 0.3;
    }
}

@keyframes floatParticle2 {
    0% { 
        transform: translate(15px, 15px) scale(1.1);
        opacity: 0.4;
    }
    30% { 
        transform: translate(-25px, 10px) scale(0.7);
        opacity: 0.8;
    }
    60% { 
        transform: translate(-15px, -25px) scale(1.3);
        opacity: 0.3;
    }
    90% { 
        transform: translate(20px, -15px) scale(0.9);
        opacity: 0.6;
    }
    100% { 
        transform: translate(15px, 15px) scale(1.1);
        opacity: 0.4;
    }
}

@keyframes floatParticle3 {
    0% { 
        transform: translate(0px, 0px) scale(0.8);
        opacity: 0.2;
    }
    25% { 
        transform: translate(30px, -20px) scale(1.2);
        opacity: 0.6;
    }
    50% { 
        transform: translate(-20px, 30px) scale(0.9);
        opacity: 0.4;
    }
    75% { 
        transform: translate(-30px, -10px) scale(1.1);
        opacity: 0.7;
    }
    100% { 
        transform: translate(0px, 0px) scale(0.8);
        opacity: 0.2;
    }
}

@keyframes floatParticle4 {
    0% { 
        transform: translate(-10px, -10px) scale(1.3);
        opacity: 0.5;
    }
    40% { 
        transform: translate(25px, 15px) scale(0.6);
        opacity: 0.8;
    }
    80% { 
        transform: translate(-15px, 25px) scale(1.4);
        opacity: 0.3;
    }
    100% { 
        transform: translate(-10px, -10px) scale(1.3);
        opacity: 0.5;
    }
}

@keyframes floatParticle5 {
    0% { 
        transform: translate(20px, 20px) scale(0.9);
        opacity: 0.3;
    }
    35% { 
        transform: translate(-30px, 20px) scale(1.3);
        opacity: 0.7;
    }
    70% { 
        transform: translate(20px, -30px) scale(0.7);
        opacity: 0.4;
    }
    100% { 
        transform: translate(20px, 20px) scale(0.9);
        opacity: 0.3;
    }
}

@keyframes floatParticle6 {
    0% { 
        transform: translate(-15px, -15px) scale(1.0);
        opacity: 0.4;
    }
    50% { 
        transform: translate(20px, -25px) scale(0.8);
        opacity: 0.8;
    }
    100% { 
        transform: translate(-15px, -15px) scale(1.0);
        opacity: 0.4;
    }
}

.profile-float-icon {
    top: -3rem;
    right: -2rem;
}

@keyframes bounce-kf {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-25%); }
}

.profile-bounce {
    animation: bounce-kf 1s infinite;
}

.profile-card-hover,
.profile-icon-hover,
.profile-copy-hover,
.profile-underline,
.profile-cta-hover {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.profile-feature-group:hover .profile-card-hover {
    transform: scale(1.05);
}

.profile-feature-group:hover .profile-overlay-hover {
    opacity: 0.2 !important;
}

.profile-feature-group:hover .profile-icon-hover {
    transform: scale(1.1);
}

.profile-feature-group:hover .profile-copy-hover {
    transform: translateY(0.25rem);
}

.profile-underline {
    height: 0.25rem;
    transform: scaleX(0);
    transform-origin: center;
}

.profile-description-group:hover .profile-underline {
    transform: scaleX(1);
}

@keyframes ping-kf {
    75%, 100% {
        transform: scale(1.1);
        opacity: 0;
    }
}

.profile-ping {
    animation: ping-kf 1.2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.profile-cta-hover:hover {
    transform: scale(1.05);
}

.profile-particle-1 {
    top: 10%;
    left: 15%;
    animation: floatParticle1 8s ease-in-out infinite;
}

.profile-particle-2 {
    top: 20%;
    right: 20%;
    animation: floatParticle2 10s ease-in-out infinite;
    animation-delay: 1s;
}

.profile-particle-3 {
    top: 60%;
    left: 10%;
    animation: floatParticle3 12s ease-in-out infinite;
    animation-delay: 3s;
}

.profile-particle-4 {
    top: 80%;
    right: 15%;
    animation: floatParticle4 7s ease-in-out infinite;
    animation-delay: 2s;
}

.profile-particle-5 {
    top: 40%;
    left: 80%;
    animation: floatParticle5 9s ease-in-out infinite;
    animation-delay: 4s;
}

.profile-particle-6 {
    top: 70%;
    left: 60%;
    animation: floatParticle6 11s ease-in-out infinite;
    animation-delay: 1.5s;
}

.profile-sq-16 { width: 4rem;    height: 4rem;    flex-shrink: 0; }
.profile-sq-12 { width: 3rem;    height: 3rem;    flex-shrink: 0; }