/* Tattoo Riquet → Stonink — transition EXAGÉRÉE */
:root {
    --black: #0a0a0a;
    --white: #ffffff;
    --white-glow: rgba(255, 255, 255, 0.45);
    --white-soft: rgba(255, 255, 255, 0.62);
    --muted: rgba(255, 255, 255, 0.62);
    --border: rgba(255, 255, 255, 0.14);
    --font-display: "Syne", system-ui, sans-serif;
    --font-body: "DM Sans", system-ui, sans-serif;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in: cubic-bezier(0.55, 0, 1, 0.45);
    --ease-slam: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-explode: cubic-bezier(0.7, 0, 0.84, 0);
    --morph-at: 3.2s;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--white);
    background: var(--black);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    max-width: 100vw;
}

body.is-shaking {
    animation: screen-shake 0.55s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }
a:hover { opacity: 0.85; }

/* Flash plein écran au moment du morph */
.morph-flash {
    position: fixed;
    inset: 0;
    z-index: 50;
    pointer-events: none;
    background: radial-gradient(circle at 50% 38%, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.35) 35%, transparent 70%);
    opacity: 0;
    animation: morph-flash-burst 0.9s var(--ease-explode) var(--morph-at) forwards;
}

/* Scène d'arrière-plan */
.stage {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background:
        radial-gradient(ellipse 90% 70% at 50% 0%, rgba(255, 255, 255, 0.1), transparent 55%),
        radial-gradient(ellipse 60% 50% at 80% 100%, rgba(255, 255, 255, 0.06), transparent 50%),
        linear-gradient(180deg, #050505 0%, #141210 45%, #0a0a0a 100%);
    animation: stage-darken 0.6s ease var(--morph-at) forwards;
}

.stage__vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 55% 50% at 50% 42%, transparent 30%, rgba(0, 0, 0, 0.75) 100%);
    pointer-events: none;
}

.stage__grid {
    position: absolute;
    inset: -20%;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, black 10%, transparent 78%);
    opacity: 0.55;
    animation: grid-zoom-spin 8s linear infinite, grid-flash 0.5s ease var(--morph-at);
}

.stage__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
}
.stage__glow--warm {
    width: 520px;
    height: 520px;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white-glow);
    animation: glow-surge 4s ease-in-out infinite, glow-burst 1.2s var(--ease-out) var(--morph-at) forwards;
}
.stage__glow--cool {
    width: 360px;
    height: 360px;
    bottom: 12%;
    right: -8%;
    background: rgba(255, 255, 255, 0.08);
    animation: glow-surge 6s ease-in-out infinite reverse;
}
.stage__glow--burst {
    width: 100px;
    height: 100px;
    top: 38%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: rgba(255, 255, 255, 0.9);
    opacity: 0;
    animation: burst-expand 1.4s var(--ease-out) calc(var(--morph-at) + 0.05s) forwards;
}

.stage__line {
    position: absolute;
    width: 2px;
    background: linear-gradient(180deg, transparent, rgba(255,255,255,0.2), transparent);
}
.stage__line--1 {
    height: 140%;
    top: -20%;
    left: 18%;
    transform: rotate(12deg);
    animation: line-sweep 3s ease-in-out infinite;
}
.stage__line--2 {
    height: 120%;
    top: -10%;
    right: 15%;
    animation: line-sweep 4s ease-in-out infinite reverse;
}
.stage__line--3 {
    height: 80%;
    top: 20%;
    left: 50%;
    opacity: 0;
    animation: line-strike 0.4s var(--ease-out) var(--morph-at) forwards;
}

.stage__ring {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: rotate(45deg);
}
.stage__ring--1 {
    width: 380px;
    height: 380px;
    bottom: 5%;
    left: -90px;
    animation: ring-spin 30s linear infinite;
}
.stage__ring--2 {
    width: 220px;
    height: 220px;
    top: 28%;
    right: -40px;
    border-color: rgba(255, 255, 255, 0.2);
    animation: ring-spin 18s linear infinite reverse;
}
.stage__ring--3 {
    width: 140px;
    height: 140px;
    top: 36%;
    left: 50%;
    margin-left: -70px;
    opacity: 0;
    animation: ring-burst 1s var(--ease-out) calc(var(--morph-at) + 0.1s) forwards;
}

.stage__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: particle-fly var(--dur, 1.2s) var(--ease-out) var(--delay, 0s) forwards;
}

/* Contenu principal */
.transition {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1.25rem 2.5rem;
    max-width: 720px;
    margin-inline: auto;
    text-align: center;
}

.transition__hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: min(58vh, 520px);
    padding-bottom: 1rem;
}

.transition__bottom {
    width: 100%;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.transition__intro {
    margin-bottom: 1.25rem;
    opacity: 0;
    animation: fade-up 0.9s var(--ease-out) 0.4s forwards;
}

.transition__eyebrow {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--muted);
}

/* Animation logos — EXAGÉRÉE */
.logo-stage {
    width: 100%;
    margin-bottom: 0;
    perspective: 900px;
}

.logo-stage__frame {
    position: relative;
    width: min(300px, 78vw);
    height: min(300px, 78vw);
    margin-inline: auto;
    display: grid;
    place-items: center;
    transform-style: preserve-3d;
}

.logo-stage__orbit {
    position: absolute;
    inset: -15%;
    border: 1px dashed rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    animation: orbit-spin 12s linear infinite, orbit-pulse 2s ease-in-out 1.5s infinite;
}

.logo-stage__burst {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.logo-stage__burst span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    margin: -2px 0 0 -2px;
    background: var(--white);
    border-radius: 50%;
    opacity: 0;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.8);
}
.logo-stage__burst span:nth-child(1) { animation: shard-fly 1s var(--ease-out) calc(var(--morph-at) + 0.05s) forwards; --angle: 0deg; }
.logo-stage__burst span:nth-child(2) { animation: shard-fly 1.1s var(--ease-out) calc(var(--morph-at) + 0.08s) forwards; --angle: 90deg; }
.logo-stage__burst span:nth-child(3) { animation: shard-fly 0.95s var(--ease-out) calc(var(--morph-at) + 0.03s) forwards; --angle: 180deg; }
.logo-stage__burst span:nth-child(4) { animation: shard-fly 1.05s var(--ease-out) calc(var(--morph-at) + 0.1s) forwards; --angle: 270deg; }

.logo-stage__old,
.logo-stage__new {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
}

.logo-stage__img {
    object-fit: contain;
    will-change: transform, opacity, filter;
}
.logo-stage__img--old {
    width: min(260px, 70vw);
    filter: drop-shadow(0 20px 60px rgba(255, 255, 255, 0.25));
    animation:
        logo-old-crash-in 1.1s var(--ease-slam) 0.1s both,
        logo-old-breathe 1.8s ease-in-out 1.3s 2,
        logo-old-shake 0.35s ease-in-out 2.85s,
        logo-old-explode 0.85s var(--ease-explode) var(--morph-at) forwards;
}
.logo-stage__img--new {
    width: min(180px, 50vw);
    opacity: 0;
    transform: scale(0) rotate(-30deg);
    filter: drop-shadow(0 0 0 transparent) brightness(2);
    animation: logo-new-slam 1.6s var(--ease-slam) calc(var(--morph-at) + 0.15s) forwards;
}

.logo-stage__pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    height: 70%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
}
.logo-stage__pulse--1 {
    animation: pulse-wave 1.4s var(--ease-out) calc(var(--morph-at) + 0.2s) forwards;
}
.logo-stage__pulse--2 {
    animation: pulse-wave 1.4s var(--ease-out) calc(var(--morph-at) + 0.45s) forwards;
}
.logo-stage__pulse--3 {
    border-color: rgba(255, 255, 255, 0.45);
    animation: pulse-wave 1.6s var(--ease-out) calc(var(--morph-at) + 0.7s) forwards;
}

.logo-stage__wordmark {
    position: relative;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    margin-top: 2rem;
    min-height: 7rem;
}

.wordmark-line {
    margin: 0;
    line-height: 1.1;
}

.wordmark-old,
.wordmark-new {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 800;
    text-transform: uppercase;
}

.wordmark-old {
    font-size: clamp(1.5rem, 5.5vw, 2.25rem);
    letter-spacing: 0.12em;
    color: var(--white);
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.35);
    opacity: 0;
    animation:
        wordmark-old-in 0.9s var(--ease-slam) 0.7s forwards,
        wordmark-old-out 0.6s var(--ease-explode) 2.9s forwards;
}

.wordmark-becomes {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 1.1rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.08);
    opacity: 0;
    transform: scale(0.8);
    animation:
        wordmark-becomes-in 0.7s var(--ease-slam) 1.8s forwards,
        wordmark-becomes-out 0.5s var(--ease-in) 3.1s forwards;
}

.wordmark-becomes__label {
    font-family: var(--font-display);
    font-size: clamp(1rem, 3.5vw, 1.35rem);
    font-weight: 700;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--white);
    text-shadow: 0 0 18px rgba(255, 255, 255, 0.5);
}

.wordmark-becomes__arrow {
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    color: var(--white);
    animation: arrow-pump 0.55s ease-in-out 2s infinite;
}

.wordmark-new {
    font-size: clamp(2rem, 7vw, 3.25rem);
    letter-spacing: 0.28em;
    color: var(--white);
    text-shadow: 0 0 40px rgba(255, 255, 255, 0.35);
    opacity: 0;
    transform: scale(0.5) translateY(20px);
    animation: wordmark-new-in 1.1s var(--ease-slam) 3.4s forwards;
}

@keyframes wordmark-old-in {
    from { opacity: 0; transform: translateY(24px) scale(0.85); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes wordmark-old-out {
    to { opacity: 0; transform: translateY(-20px) scale(1.3); filter: blur(6px); }
}

@keyframes wordmark-becomes-in {
    from { opacity: 0; transform: scale(0.6); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes wordmark-becomes-out {
    to { opacity: 0; transform: scale(1.4); filter: blur(4px); }
}

@keyframes wordmark-new-in {
    0% { opacity: 0; transform: scale(0.4) translateY(30px); filter: blur(4px); }
    65% { opacity: 1; transform: scale(1.12) translateY(-4px); filter: blur(0); }
    100% { opacity: 1; transform: scale(1) translateY(0); filter: blur(0); }
}

/* Contenu texte */
.transition__content {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
    animation: content-reveal 1.2s var(--ease-out) calc(var(--morph-at) + 1.4s) forwards;
}

.transition__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4.5vw, 2.25rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.transition__title-accent {
    display: block;
    margin-top: 0.35rem;
    color: var(--muted);
    font-weight: 700;
    animation: accent-glow 3s ease-in-out calc(var(--morph-at) + 2s) infinite;
}

.transition__lead {
    font-size: 0.9375rem;
    color: var(--muted);
    max-width: 52ch;
    margin-inline: auto;
    margin-bottom: 1.5rem;
}
.transition__lead strong {
    color: var(--white);
    font-weight: 600;
}

.transition__facts {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    margin-bottom: 1.75rem;
    overflow: hidden;
}

.fact {
    background: rgba(255, 255, 255, 0.04);
    padding: 1.25rem 0.75rem;
    backdrop-filter: blur(8px);
    opacity: 0;
    transform: translateY(24px);
}
.fact__value {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.35rem;
}
.fact__label {
    display: block;
    font-size: 0.625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    line-height: 1.3;
}

.transition__cta {
    margin-bottom: 2rem;
    opacity: 0;
    animation: fade-up 0.8s var(--ease-out) calc(var(--morph-at) + 2.2s) forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 1.1rem 2.25rem;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border: 2px solid var(--white);
    background: var(--white);
    color: var(--black);
    cursor: pointer;
    transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}
.btn:hover {
    opacity: 1;
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 16px 50px rgba(255, 255, 255, 0.22);
}
.btn:active { transform: translateY(0) scale(1); }

.btn__arrow {
    font-size: 1.2em;
    transition: transform 0.25s var(--ease-out);
}
.btn:hover .btn__arrow { transform: translate(3px, -3px); }

.transition__note {
    margin-top: 1.25rem;
    font-size: 0.8125rem;
    color: var(--muted);
}

.transition__footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    opacity: 0;
    animation: fade-up 0.8s var(--ease-out) calc(var(--morph-at) + 2.6s) forwards;
}
.transition__footer p + p { margin-top: 0.35rem; }

/* Bloc SEO visible */
.transition__seo {
    width: 100%;
    margin-top: 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: left;
    opacity: 0;
    animation: fade-up 0.9s var(--ease-out) calc(var(--morph-at) + 2.8s) forwards;
}

.transition__seo-title {
    font-family: var(--font-display);
    font-size: clamp(1rem, 3vw, 1.25rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
    color: var(--white-soft);
}

.transition__seo-body {
    font-size: 0.9375rem;
    color: var(--muted);
    line-height: 1.65;
}
.transition__seo-body p + p { margin-top: 0.85rem; }
.transition__seo-body a {
    color: var(--white);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.transition__seo-body a:hover { opacity: 0.8; }

.transition__faq {
    margin-top: 1.75rem;
    display: grid;
    gap: 1rem;
}

.transition__faq-item {
    padding: 1rem 1.1rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.transition__faq-item dt {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
    color: var(--white);
}

.transition__faq-item dd {
    font-size: 0.875rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.55;
}

/* Keyframes */

@keyframes fade-up {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes morph-flash-burst {
    0% { opacity: 0; transform: scale(0.3); }
    15% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(2.5); }
}

@keyframes screen-shake {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-8px, 4px) rotate(-0.5deg); }
    20% { transform: translate(10px, -6px) rotate(0.5deg); }
    30% { transform: translate(-12px, -4px); }
    40% { transform: translate(12px, 6px); }
    50% { transform: translate(-6px, 8px); }
    60% { transform: translate(8px, -4px); }
    70% { transform: translate(-4px, -6px); }
    80% { transform: translate(4px, 4px); }
}

@keyframes stage-darken {
    0% { filter: brightness(1); }
    30% { filter: brightness(1.8); }
    100% { filter: brightness(1); }
}

@keyframes grid-zoom-spin {
    from { transform: rotate(0deg) scale(1); }
    to { transform: rotate(360deg) scale(1.15); }
}

@keyframes grid-flash {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 0.95; }
}

@keyframes glow-surge {
    0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
    50% { opacity: 1; transform: translateX(-50%) scale(1.2); }
}

@keyframes glow-burst {
    0% { transform: translateX(-50%) scale(1); opacity: 0.7; }
    40% { transform: translateX(-50%) scale(2.5); opacity: 1; }
    100% { transform: translateX(-50%) scale(1.8); opacity: 0.5; }
}

@keyframes burst-expand {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0); }
    20% { opacity: 1; }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(18); }
}

@keyframes line-sweep {
    0%, 100% { opacity: 0.4; transform: rotate(12deg) translateY(0); }
    50% { opacity: 0.9; transform: rotate(12deg) translateY(-24px); }
}

@keyframes line-strike {
    0% { opacity: 0; transform: scaleY(0); }
    50% { opacity: 1; transform: scaleY(1); }
    100% { opacity: 0; transform: scaleY(1); }
}

@keyframes ring-spin {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

@keyframes ring-burst {
    0% { opacity: 0; transform: rotate(45deg) scale(0.2); }
    30% { opacity: 1; }
    100% { opacity: 0; transform: rotate(45deg) scale(4); }
}

@keyframes orbit-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes orbit-pulse {
    0%, 100% { opacity: 0.5; transform: rotate(0deg) scale(1); }
    50% { opacity: 1; transform: rotate(180deg) scale(1.08); }
}

@keyframes logo-old-crash-in {
    0% { opacity: 0; transform: scale(4) rotate(25deg); filter: blur(12px) drop-shadow(0 0 0 transparent); }
    70% { opacity: 1; transform: scale(0.92) rotate(-4deg); filter: blur(0) drop-shadow(0 20px 60px rgba(255, 255, 255, 0.35)); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); }
}

@keyframes logo-old-breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.06); }
}

@keyframes logo-old-shake {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    20% { transform: translate(-6px, 3px) rotate(-2deg); }
    40% { transform: translate(6px, -3px) rotate(2deg); }
    60% { transform: translate(-4px, -2px) rotate(-1deg); }
    80% { transform: translate(4px, 2px) rotate(1deg); }
}

@keyframes logo-old-explode {
    0% { opacity: 1; transform: scale(1) rotate(0deg); filter: blur(0) drop-shadow(0 20px 60px rgba(255, 255, 255, 0.3)); }
    40% { opacity: 0.8; transform: scale(1.4) rotate(12deg); filter: blur(2px) brightness(2); }
    100% { opacity: 0; transform: scale(2.8) rotate(-35deg) translateY(-40px); filter: blur(16px) brightness(3); }
}

@keyframes logo-new-slam {
    0% { opacity: 0; transform: scale(0) rotate(-45deg); filter: drop-shadow(0 0 0 transparent) brightness(3); }
    55% { opacity: 1; transform: scale(1.35) rotate(6deg); filter: drop-shadow(0 0 80px rgba(255,255,255,0.9)) brightness(2.5); }
    75% { transform: scale(0.92) rotate(-2deg); filter: drop-shadow(0 0 40px rgba(255,255,255,0.5)) brightness(1.5); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); filter: drop-shadow(0 20px 50px rgba(0,0,0,0.6)) brightness(1); }
}

@keyframes pulse-wave {
    0% { opacity: 0.9; transform: translate(-50%, -50%) scale(0.2); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(3.2); }
}

@keyframes shard-fly {
    0% { opacity: 1; transform: rotate(var(--angle)) translateX(0) scale(1); }
    100% { opacity: 0; transform: rotate(var(--angle)) translateX(180px) scale(0); }
}

@keyframes arrow-pump {
    0%, 100% { transform: translateX(0) scale(1); }
    50% { transform: translateX(10px) scale(1.2); }
}

@keyframes content-reveal {
    from { opacity: 0; transform: translateY(50px) scale(0.92); filter: blur(6px); }
    to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

@keyframes accent-glow {
    0%, 100% { opacity: 0.7; text-shadow: none; }
    50% { opacity: 1; text-shadow: 0 0 20px rgba(255,255,255,0.3); }
}

@keyframes particle-fly {
    0% { opacity: 1; transform: translate(0, 0) scale(1); }
    100% { opacity: 0; transform: translate(var(--tx, 0), var(--ty, 0)) scale(0); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-delay: 0ms !important;
        transition-duration: 0.01ms !important;
    }
    .morph-flash { display: none; }
    .logo-stage__img--old { opacity: 0; }
    .logo-stage__img--new { opacity: 1; transform: none; filter: none; }
    .wordmark-old { opacity: 0; }
    .wordmark-becomes { opacity: 0; }
    .wordmark-new { opacity: 1; transform: none; }
    .transition__content,
    .transition__intro,
    .transition__footer,
    .transition__cta,
    .transition__seo,
    .fact { opacity: 1; transform: none; }
}

@media (max-width: 768px) {
    :root {
        --morph-at: 2.5s;
    }

    .morph-flash {
        animation: morph-flash-burst-mobile 0.6s var(--ease-explode) var(--morph-at) forwards;
    }

    .stage__grid {
        inset: 0;
        animation: grid-flash 0.5s ease var(--morph-at);
        opacity: 0.35;
    }

    .stage__glow--warm {
        width: 280px;
        height: 280px;
        filter: blur(50px);
        animation: glow-surge-mobile 5s ease-in-out infinite;
    }

    .stage__glow--cool,
    .stage__glow--burst,
    .stage__line,
    .stage__ring {
        display: none;
    }

    .transition {
        padding: 1rem 1rem 1.5rem;
        min-height: auto;
    }

    .transition__hero {
        min-height: auto;
        flex: 0 0 auto;
        justify-content: flex-start;
        padding-top: 0.25rem;
        padding-bottom: 0.75rem;
    }

    .transition__intro {
        margin-bottom: 0.65rem;
    }

    .transition__eyebrow {
        font-size: 0.625rem;
        letter-spacing: 0.22em;
    }

    .logo-stage {
        perspective: none;
    }

    .logo-stage__frame {
        width: min(200px, 52vw);
        height: min(200px, 52vw);
    }

    .logo-stage__orbit {
        inset: -10%;
        animation: orbit-spin 16s linear infinite;
    }

    .logo-stage__img {
        will-change: auto;
    }

    .logo-stage__img--old {
        width: min(175px, 48vw);
        animation:
            logo-old-crash-in-mobile 0.85s var(--ease-slam) 0.1s both,
            logo-old-breathe-mobile 1.6s ease-in-out 1.1s 1,
            logo-old-explode-mobile 0.65s var(--ease-explode) 2.5s forwards;
    }

    .logo-stage__img--new {
        width: min(120px, 34vw);
        animation: logo-new-slam-mobile 1.1s var(--ease-slam) 2.65s forwards;
    }

    .logo-stage__pulse--2,
    .logo-stage__pulse--3 {
        display: none;
    }

    .logo-stage__wordmark {
        margin-top: 0.85rem;
        min-height: auto;
        gap: 0.2rem;
        max-width: 100%;
    }

    .wordmark-old {
        font-size: clamp(1rem, 4.2vw, 1.35rem);
        letter-spacing: 0.06em;
        animation:
            wordmark-old-in 0.8s var(--ease-slam) 0.6s forwards,
            wordmark-old-out 0.5s var(--ease-explode) 2.35s forwards;
    }

    .wordmark-becomes {
        padding: 0.25rem 0.75rem;
        gap: 0.4rem;
        max-width: calc(100% - 1rem);
        animation:
            wordmark-becomes-in 0.6s var(--ease-slam) 1.5s forwards,
            wordmark-becomes-out 0.4s var(--ease-in) 2.55s forwards;
    }

    .wordmark-becomes__label {
        font-size: 0.8125rem;
        letter-spacing: 0.18em;
    }

    .wordmark-becomes__arrow {
        font-size: 1.125rem;
        animation: none;
    }

    .wordmark-new {
        font-size: clamp(1.35rem, 6.5vw, 1.85rem);
        letter-spacing: 0.1em;
        animation: wordmark-new-in-mobile 0.9s var(--ease-slam) 2.85s forwards;
    }

    body.is-shaking {
        animation: none;
    }

    .transition__content {
        transform: none;
        animation: fade-up 0.75s var(--ease-out) calc(var(--morph-at) + 0.9s) forwards;
    }

    .transition__cta {
        animation: fade-up 0.7s var(--ease-out) calc(var(--morph-at) + 1.5s) forwards;
    }

    .transition__footer {
        animation: fade-up 0.7s var(--ease-out) calc(var(--morph-at) + 1.8s) forwards;
    }

    .transition__seo {
        animation: fade-up 0.7s var(--ease-out) calc(var(--morph-at) + 2s) forwards;
    }

    .transition__bottom {
        padding-top: 1rem;
    }

    .transition__title {
        font-size: clamp(1.25rem, 5.5vw, 1.65rem);
    }

    .transition__lead {
        font-size: 0.875rem;
        line-height: 1.55;
    }

    .transition__facts {
        grid-template-columns: 1fr;
    }

    .fact {
        padding: 0.85rem 1rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        text-align: left;
    }

    .fact__value {
        font-size: 1.5rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .fact__label {
        font-size: 0.6875rem;
        text-align: right;
        max-width: 14ch;
    }

    .btn {
        width: 100%;
        max-width: 100%;
        padding: 0.95rem 1.25rem;
    }

    .transition__note {
        font-size: 0.75rem;
        line-height: 1.45;
    }

    .transition__seo-body,
    .transition__faq-item dd {
        font-size: 0.8125rem;
    }

    .transition__faq-item dt {
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) and (max-height: 740px) {
    .logo-stage__frame {
        width: min(170px, 46vw);
        height: min(170px, 46vw);
    }

    .logo-stage__img--old {
        width: min(150px, 42vw);
    }

    .logo-stage__img--new {
        width: min(105px, 30vw);
    }

    .logo-stage__wordmark {
        margin-top: 0.5rem;
    }

    .wordmark-new {
        font-size: 1.25rem;
    }
}

@keyframes morph-flash-burst-mobile {
    0% { opacity: 0; transform: scale(0.5); }
    20% { opacity: 0.85; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.6); }
}

@keyframes glow-surge-mobile {
    0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.75; transform: translateX(-50%) scale(1.08); }
}

@keyframes logo-old-crash-in-mobile {
    0% { opacity: 0; transform: scale(1.8) rotate(12deg); }
    70% { opacity: 1; transform: scale(0.95) rotate(-2deg); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); }
}

@keyframes logo-old-breathe-mobile {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

@keyframes logo-old-explode-mobile {
    0% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.5) rotate(-12deg) translateY(-16px); }
}

@keyframes logo-new-slam-mobile {
    0% { opacity: 0; transform: scale(0.5) rotate(-15deg); }
    65% { opacity: 1; transform: scale(1.08) rotate(2deg); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); filter: none; }
}

@keyframes wordmark-new-in-mobile {
    0% { opacity: 0; transform: scale(0.7) translateY(12px); }
    100% { opacity: 1; transform: scale(1) translateY(0); filter: none; }
}

@media (max-width: 520px) {
    .transition__facts { grid-template-columns: 1fr; }
    .fact { padding: 0.85rem 1rem; }
}