/* ============================================
   GÉNÉRATEUR QR CODE — QR-cadre.com
   ============================================ */

:root {
    color-scheme: light;
    --qr-bg: #faf7f5;
    --qr-bg-alt: #f3ede8;
    --qr-surface: #ffffff;
    --qr-surface-alt: #fdf9f7;
    --qr-text: #2c2525;
    --qr-muted: #8a7e78;
    --qr-accent: #666fec;
    --qr-accent-strong: #535cdf;
    --qr-accent-soft: rgba(102, 111, 236, 0.12);
    --qr-stroke: rgba(44, 37, 37, 0.08);
    --qr-shadow: 0 20px 50px rgba(44, 37, 37, 0.06);
    --qr-shadow-sm: 0 4px 16px rgba(44, 37, 37, 0.05);
    --qr-radius-lg: 28px;
    --qr-radius-md: 18px;
    --qr-radius-sm: 12px;
    --qr-outline: #050505;
    --qr-outline-soft: rgba(5, 5, 5, 0.08);
}

html[data-theme="dark"] {
    color-scheme: dark;
    --qr-bg: #111015;
    --qr-bg-alt: #1a181f;
    --qr-surface: #1e1c24;
    --qr-surface-alt: #16141b;
    --qr-text: #f2ede9;
    --qr-muted: #a89e98;
    --qr-accent: #8f96ff;
    --qr-accent-strong: #a7adff;
    --qr-accent-soft: rgba(143, 150, 255, 0.18);
    --qr-stroke: rgba(242, 237, 233, 0.08);
    --qr-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    --qr-shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ── Reset local ── */

.qr-main,
.qr-main *,
.qr-faq,
.qr-faq * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ── Base ── */

.tool-qrcode-page .qr-main,
.tool-qrcode-page .qr-faq {
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    color: var(--qr-text);
}

.qr-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* ── Hero ── */

.qr-hero {
    text-align: center;
    padding: 20px 24px 8px;
    animation: qr-rise 0.8s ease-out;
}

.qr-hero h1 {
    font-family: "Fraunces", "Georgia", serif;
    font-size: clamp(1.75rem, 3vw, 2.55rem);
    font-weight: 600;
    line-height: 1.2;
    max-width: 700px;
    margin: 0 auto 18px;
    color: var(--qr-text);
}

.qr-lead {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--qr-muted);
    max-width: 760px;
    margin: 0 auto;
}

.qr-lead__highlight {
    display: inline-block;
    margin-top: 12px;
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--qr-accent-soft);
    border: 1px solid rgba(102, 111, 236, 0.24);
    color: var(--qr-accent);
    font-weight: 700;
    line-height: 1.4;
    max-width: 100%;
}

/* ── Générateur ── */

.qr-generator {
    padding: 4px;
}

.qr-generator__shell {
    background: var(--qr-surface);
    border: none;
    border-radius: 48px;
    padding: 32px 28px 26px;
    box-shadow: 0 18px 40px var(--qr-outline-soft);
}

.qr-generator__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
    gap: 28px;
    align-items: center;
}

.qr-generator__footer {
    display: flex;
    justify-content: center;
    padding-top: 26px;
}

/* ── Formulaire ── */

.qr-form {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.qr-form__group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.qr-form__group--wide {
    grid-column: 1 / -1;
    position: relative;
}

.qr-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.qr-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--qr-muted);
}

.qr-label--split {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.qr-input {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1rem;
    padding: 14px 18px;
    border: 1.5px solid var(--qr-stroke);
    border-radius: var(--qr-radius-sm);
    background: var(--qr-surface-alt);
    color: var(--qr-text);
    outline: none;
    transition: border-color 0.25s, box-shadow 0.25s;
}

.qr-input.is-awaiting {
    border-color: rgba(102, 111, 236, 0.42);
    box-shadow: 0 0 0 3px rgba(102, 111, 236, 0.12), 0 0 22px rgba(102, 111, 236, 0.16);
    animation: qr-input-pulse 2.2s ease-in-out infinite;
}

.qr-input::placeholder {
    color: var(--qr-muted);
    opacity: 0.6;
}

.qr-input:focus {
    border-color: var(--qr-accent);
    box-shadow: 0 0 0 3px var(--qr-accent-soft);
}

.qr-input-hint {
    display: block;
    font-size: 0.8rem;
    line-height: 1.5;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    color: var(--qr-muted);
    opacity: 0.9;
    transition: color 0.25s ease, opacity 0.25s ease;
}

.qr-input-hint.is-active {
    color: var(--qr-accent);
    opacity: 1;
}

/* ── Qualité d'export ── */

.qr-quality {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--qr-accent) var(--qr-quality-progress, 100%), rgba(102, 111, 236, 0.14) var(--qr-quality-progress, 100%));
    outline: none;
    cursor: pointer;
}

.qr-quality::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 3px solid var(--qr-surface);
    background: var(--qr-accent);
    box-shadow: 0 6px 18px rgba(102, 111, 236, 0.28);
}

.qr-quality::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 3px solid var(--qr-surface);
    background: var(--qr-accent);
    box-shadow: 0 6px 18px rgba(102, 111, 236, 0.28);
}

.qr-quality::-moz-range-track {
    height: 10px;
    border-radius: 999px;
    background: rgba(102, 111, 236, 0.14);
}

.qr-quality__value {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    color: var(--qr-accent);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(95, 107, 255, 0.11);
    border: 1px solid rgba(95, 107, 255, 0.2);
    transition: box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.qr-quality__value::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-140%);
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.12) 42%, rgba(255, 255, 255, 0.82) 50%, transparent 60%);
    opacity: 0;
}

.qr-form__group--wide.is-maxed .qr-quality {
    box-shadow: 0 0 0 4px rgba(102, 111, 236, 0.08);
}

.qr-form__group--wide.is-maxed .qr-quality__value {
    color: #fff;
    border-color: rgba(95, 107, 255, 0.3);
    background: linear-gradient(135deg, #5f6bff 0%, #7b86ff 55%, #96a0ff 100%);
    box-shadow: 0 12px 28px rgba(95, 107, 255, 0.28);
}

.qr-form__group--wide.is-celebrating .qr-quality__value {
    animation: qr-max-flash 0.95s cubic-bezier(0.16, 0.84, 0.32, 1);
}

.qr-form__group--wide.is-celebrating .qr-quality__value::after,
.qr-form__group--wide.is-maxed .qr-quality__value::after {
    opacity: 1;
    animation: qr-max-shimmer 1.1s ease-out;
}

.qr-quality__scale {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--qr-muted);
}

.qr-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.qr-pill {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 8px 16px;
    border: 1.5px solid var(--qr-stroke);
    border-radius: 999px;
    background: var(--qr-surface-alt);
    color: var(--qr-muted);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.qr-pill:hover {
    border-color: var(--qr-accent);
    color: var(--qr-accent);
}

.qr-pill--active {
    background: var(--qr-accent);
    border-color: var(--qr-accent);
    color: #fff;
}

.qr-pill--active:hover {
    background: var(--qr-accent-strong);
    border-color: var(--qr-accent-strong);
    color: #fff;
}

.qr-pill__detail {
    font-weight: 400;
    font-size: 0.72rem;
    opacity: 0.7;
}

.qr-pill--active .qr-pill__detail {
    opacity: 0.85;
}

/* ── Color pickers ── */

.qr-color-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.qr-color {
    -webkit-appearance: none;
    appearance: none;
    width: 40px;
    height: 40px;
    border: 2px solid var(--qr-stroke);
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    overflow: hidden;
    background: none;
    transition: border-color 0.2s;
}

.qr-color::-webkit-color-swatch-wrapper {
    padding: 0;
}

.qr-color::-webkit-color-swatch {
    border: none;
    border-radius: 50%;
}

.qr-color::-moz-color-swatch {
    border: none;
    border-radius: 50%;
}

.qr-color:hover,
.qr-color:focus {
    border-color: var(--qr-accent);
}

.qr-color__hex {
    font-family: "Space Grotesk", monospace;
    font-size: 0.82rem;
    color: var(--qr-muted);
    letter-spacing: 0.04em;
}

.qr-color:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.qr-option {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    font-size: 0.82rem;
    color: var(--qr-muted);
    cursor: pointer;
}

.qr-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--qr-accent);
    cursor: pointer;
}

.qr-option span {
    line-height: 1.4;
}

/* ── Preview ── */

.qr-preview {
    display: grid;
    place-items: center;
    width: 100%;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.qr-preview__canvas-wrap {
    background: #fff;
    border: none;
    border-radius: 44px;
    padding: 58px 24px 24px;
    box-shadow: inset 0 -1px 0 rgba(44, 37, 37, 0.08);
    display: grid;
    place-items: center;
    position: relative;
    width: 100%;
    max-width: 380px;
    min-height: 380px;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.qr-preview__status {
    position: absolute;
    top: 18px;
    left: 18px;
    right: 18px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    max-width: calc(100% - 36px);
    padding: 9px 13px;
    border-radius: 999px;
    border: 1px solid var(--qr-stroke);
    background: rgba(255, 255, 255, 0.92);
    color: var(--qr-muted);
    box-shadow: 0 8px 20px rgba(44, 37, 37, 0.06);
    backdrop-filter: blur(10px);
}

.qr-preview__status-dot {
    width: 9px;
    height: 9px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.72;
}

.qr-preview__status-text {
    font-size: 0.8rem;
    line-height: 1.35;
    font-weight: 700;
}

.qr-preview__status.is-idle {
    color: var(--qr-muted);
}

.qr-preview__status.is-ready {
    color: #1f7a50;
    border-color: rgba(31, 122, 80, 0.18);
    background: rgba(240, 252, 246, 0.94);
}

.qr-preview__status.is-updated {
    color: var(--qr-accent);
    border-color: rgba(102, 111, 236, 0.22);
    background: rgba(243, 244, 255, 0.96);
}

.qr-preview__status.is-pulsing {
    animation: qr-status-pop 0.65s cubic-bezier(0.16, 0.84, 0.32, 1);
}

.qr-preview__canvas-wrap.is-transparent {
    background-color: #ffffff;
    background-image:
        linear-gradient(45deg, rgba(44, 37, 37, 0.06) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(44, 37, 37, 0.06) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(44, 37, 37, 0.06) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(44, 37, 37, 0.06) 75%);
    background-size: 22px 22px;
    background-position: 0 0, 0 11px, 11px -11px, -11px 0;
}

.qr-preview__canvas-wrap::before {
    content: "";
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle at center, rgba(95, 107, 255, 0.3) 0%, rgba(95, 107, 255, 0.12) 32%, rgba(95, 107, 255, 0) 64%);
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
}

.qr-preview__canvas-wrap.is-maxed {
    box-shadow: 0 0 0 6px rgba(95, 107, 255, 0.08), inset 0 -1px 0 rgba(44, 37, 37, 0.08);
    background: #fff;
}

.qr-preview__canvas-wrap.is-celebrating {
    animation: qr-preview-flash 1s cubic-bezier(0.16, 0.84, 0.32, 1);
}

.qr-preview__canvas-wrap.is-celebrating::before {
    animation: qr-preview-halo 1s ease-out forwards;
}

#qr-canvas {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 1;
    object-fit: contain;
    display: none;
    border-radius: 24px;
    transition: filter 0.25s ease;
}

#qr-canvas.is-visible {
    display: block;
    animation: qr-pop 0.35s ease-out;
}

.qr-preview__canvas-wrap.is-celebrating #qr-canvas.is-visible {
    animation: qr-pop 0.35s ease-out, qr-canvas-flash 1s cubic-bezier(0.16, 0.84, 0.32, 1);
}

.qr-preview__placeholder {
    text-align: center;
    color: var(--qr-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 20px;
    opacity: 0.6;
}

.qr-preview__placeholder.is-hidden {
    display: none;
}

/* ── Download button ── */

.qr-download {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 36px;
    border: none;
    border-radius: 999px;
    background: var(--qr-accent);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.25s;
    box-shadow: 0 6px 20px rgba(102, 111, 236, 0.28);
    align-self: center;
    min-width: min(100%, 360px);
    justify-content: center;
}

.qr-download:hover:not(:disabled) {
    background: var(--qr-accent-strong);
    transform: translateY(-1px);
    box-shadow: 0 8px 28px rgba(102, 111, 236, 0.34);
}

.qr-download:active:not(:disabled) {
    transform: translateY(0);
}

.qr-download:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    box-shadow: none;
    background: #cfd3ff;
    color: rgba(255, 255, 255, 0.96);
}

/* ── SEO section ── */

.qr-seo {
    padding: 0 4px;
}

.qr-seo__content {
    background: var(--qr-surface);
    border: 1px solid var(--qr-stroke);
    border-radius: var(--qr-radius-lg);
    padding: 40px 36px;
    box-shadow: var(--qr-shadow-sm);
}

.qr-seo h2 {
    font-family: "Fraunces", "Georgia", serif;
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--qr-text);
}

.qr-seo p {
    font-size: 0.92rem;
    line-height: 1.75;
    color: var(--qr-muted);
    margin-bottom: 14px;
}

.qr-seo strong {
    color: var(--qr-text);
    font-weight: 600;
}

.qr-seo__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--qr-stroke);
}

.qr-seo__grid h3 {
    font-family: "Fraunces", "Georgia", serif;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--qr-text);
}

.qr-seo__grid p {
    margin-bottom: 0;
}

.qr-seo__focus {
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid var(--qr-stroke);
}

.qr-seo__eyebrow {
    margin-bottom: 8px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--qr-accent);
}

.qr-seo__focus h3 {
    font-family: "Fraunces", "Georgia", serif;
    font-size: clamp(1.18rem, 2.4vw, 1.65rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 12px;
    color: var(--qr-text);
}

.qr-seo__focus p:last-child {
    margin-bottom: 0;
}

.qr-usecases {
    margin-top: 18px;
}

.qr-usecases__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.qr-usecases__tab {
    border: 1px solid var(--qr-stroke);
    background: var(--qr-surface-alt);
    color: var(--qr-muted);
    border-radius: 999px;
    padding: 10px 14px;
    font: inherit;
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.qr-usecases__tab:hover,
.qr-usecases__tab:focus-visible {
    border-color: rgba(102, 111, 236, 0.28);
    color: var(--qr-text);
    outline: none;
}

.qr-usecases__tab.is-active {
    background: var(--qr-accent-soft);
    border-color: rgba(102, 111, 236, 0.24);
    color: var(--qr-accent);
    transform: translateY(-1px);
}

.qr-usecases__panel {
    border: 1px solid var(--qr-stroke);
    border-radius: 22px;
    background: linear-gradient(180deg, var(--qr-surface-alt) 0%, var(--qr-surface) 100%);
    padding: 22px 22px 20px;
    box-shadow: var(--qr-shadow-sm);
}

.qr-usecases__panel h4 {
    font-family: "Fraunces", "Georgia", serif;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--qr-text);
}

.qr-usecases__panel p:last-of-type {
    margin-bottom: 0;
}

.qr-usecases__action {
    margin-top: 18px;
    border: none;
    border-radius: 999px;
    background: var(--qr-text);
    color: #fff;
    padding: 11px 16px;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.qr-usecases__action:hover,
.qr-usecases__action:focus-visible {
    background: var(--qr-accent);
    outline: none;
    transform: translateY(-1px);
}

/* ── FAQ ── */

.qr-faq {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 24px 64px;
}

.qr-faq__content {
    background: var(--qr-surface);
    border: 1px solid var(--qr-stroke);
    border-radius: var(--qr-radius-lg);
    padding: 40px 36px;
    box-shadow: var(--qr-shadow-sm);
}

.qr-faq h2 {
    font-family: "Fraunces", "Georgia", serif;
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--qr-text);
}

.qr-faq__list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.qr-faq details {
    border-bottom: 1px solid var(--qr-stroke);
}

.qr-faq details:last-child {
    border-bottom: none;
}

.qr-faq summary {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 18px 0;
    cursor: pointer;
    color: var(--qr-text);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color 0.2s;
}

.qr-faq summary::-webkit-details-marker {
    display: none;
}

.qr-faq summary::after {
    content: "+";
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--qr-accent);
    flex-shrink: 0;
    transition: transform 0.25s;
}

.qr-faq details[open] summary::after {
    content: "\2212";
}

.qr-faq summary:hover {
    color: var(--qr-accent);
}

.qr-faq details p {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--qr-muted);
    padding: 0 0 20px;
}

.qr-faq details strong {
    color: var(--qr-text);
    font-weight: 600;
}

/* ── Animations ── */

@keyframes qr-rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes qr-pop {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes qr-input-pulse {
    0% {
        border-color: rgba(102, 111, 236, 0.28);
        box-shadow: 0 0 0 0 rgba(102, 111, 236, 0.08), 0 0 0 rgba(102, 111, 236, 0.08);
    }
    50% {
        border-color: rgba(102, 111, 236, 0.68);
        box-shadow: 0 0 0 4px rgba(102, 111, 236, 0.12), 0 0 28px rgba(102, 111, 236, 0.18);
    }
    100% {
        border-color: rgba(102, 111, 236, 0.28);
        box-shadow: 0 0 0 0 rgba(102, 111, 236, 0.08), 0 0 0 rgba(102, 111, 236, 0.08);
    }
}

@keyframes qr-max-flash {
    0% {
        box-shadow: 0 0 0 rgba(95, 107, 255, 0);
        filter: saturate(1);
    }
    30% {
        box-shadow: 0 0 0 6px rgba(95, 107, 255, 0.14), 0 14px 34px rgba(95, 107, 255, 0.34);
        filter: saturate(1.18);
    }
    100% {
        box-shadow: 0 12px 28px rgba(95, 107, 255, 0.28);
        filter: saturate(1);
    }
}

@keyframes qr-max-shimmer {
    from {
        transform: translateX(-140%);
    }
    to {
        transform: translateX(140%);
    }
}

@keyframes qr-preview-flash {
    0% {
        box-shadow: 0 16px 36px rgba(95, 107, 255, 0.12);
        border-color: rgba(95, 107, 255, 0.24);
    }
    40% {
        box-shadow: 0 0 0 10px rgba(95, 107, 255, 0.08), 0 22px 52px rgba(95, 107, 255, 0.24);
        border-color: rgba(95, 107, 255, 0.46);
    }
    100% {
        box-shadow: 0 16px 36px rgba(95, 107, 255, 0.12);
        border-color: rgba(95, 107, 255, 0.24);
    }
}

@keyframes qr-preview-halo {
    0% {
        opacity: 0;
        transform: scale(0.72);
    }
    35% {
        opacity: 0.95;
        transform: scale(1.02);
    }
    100% {
        opacity: 0;
        transform: scale(1.18);
    }
}

@keyframes qr-canvas-flash {
    0% {
        filter: brightness(1) saturate(1);
    }
    28% {
        filter: brightness(1.08) saturate(1.08) drop-shadow(0 0 18px rgba(95, 107, 255, 0.22));
    }
    100% {
        filter: brightness(1) saturate(1);
    }
}

@keyframes qr-status-pop {
    0% {
        transform: translateY(4px) scale(0.97);
        opacity: 0.5;
    }
    60% {
        transform: translateY(0) scale(1.02);
        opacity: 1;
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* ── Responsive ── */

@media (max-width: 940px) {
    .qr-main {
        max-width: 760px;
    }

    .qr-hero h1 {
        max-width: 620px;
    }

    .qr-lead {
        max-width: 620px;
    }

    .qr-generator__body {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .qr-preview {
        order: 0;
    }

    .qr-preview__canvas-wrap {
        max-width: 100%;
        min-height: 340px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .qr-main {
        padding-top: 40px;
        gap: 32px;
    }

    .qr-hero {
        padding: 12px 16px 4px;
    }

    .qr-generator__shell {
        border-radius: 36px;
        padding: 26px 20px 22px;
    }

    .qr-form {
        gap: 24px;
    }

    .qr-form__row {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .qr-preview__canvas-wrap {
        min-height: 320px;
        border-radius: 30px;
    }

    .qr-preview__status {
        top: 16px;
        left: 16px;
        right: 16px;
        max-width: calc(100% - 32px);
    }

    .qr-seo__grid {
        grid-template-columns: 1fr;
    }

    .qr-usecases__panel {
        padding: 18px 18px 16px;
    }

    .qr-seo__content,
    .qr-faq__content {
        padding: 28px 22px;
    }
}

@media (max-width: 480px) {
    .qr-hero h1 {
        font-size: 1.5rem;
    }

    .qr-generator__shell {
        border-radius: 28px;
        padding: 22px 16px 18px;
    }

    .qr-pills {
        gap: 6px;
    }

    .qr-pill {
        padding: 7px 12px;
        font-size: 0.78rem;
    }

    .qr-download {
        width: 100%;
        justify-content: center;
        min-width: 0;
    }

    .qr-quality__value {
        font-size: 0.68rem;
        padding: 7px 10px;
    }

    .qr-preview__canvas-wrap {
        padding: 52px 18px 18px;
    }

    .qr-preview__status {
        top: 14px;
        left: 14px;
        right: 14px;
        max-width: calc(100% - 28px);
        padding: 8px 11px;
    }

    .qr-preview__status-text {
        font-size: 0.75rem;
    }

    .qr-preview__canvas-wrap {
        min-height: 260px;
        padding: 18px;
    }
}