:root {
    --coral: #ff5e53;
    --coral-soft: rgba(255, 94, 83, 0.14);
    --pink: #ff86c8;
    --pink-soft: rgba(255, 134, 200, 0.16);
    --green: #aaf683;
    --green-soft: rgba(170, 246, 131, 0.2);
    --blue: #5593f7;
    --blue-soft: rgba(85, 147, 247, 0.18);
    --linen: #f4f6ef;
    --surface: rgba(255, 253, 249, 0.88);
    --surface-strong: #fffdf9;
    --surface-muted: rgba(255, 255, 255, 0.76);
    --ink: #182033;
    --ink-soft: #556178;
    --ink-faint: #7b879b;
    --border: rgba(24, 32, 51, 0.08);
    --border-strong: rgba(24, 32, 51, 0.14);
    --shadow-lg: 0 32px 90px rgba(22, 35, 62, 0.12);
    --shadow-md: 0 18px 44px rgba(32, 51, 89, 0.12);
    --shadow-sm: 0 10px 26px rgba(17, 28, 48, 0.08);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-pill: 999px;
    --font-sans: "DM Sans", "Segoe UI", sans-serif;
    --font-display: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
    --font-subtitle: "DM Sans", "Segoe UI", sans-serif;
    --transition-fast: 180ms ease;
    --transition-slow: 280ms ease;
    --header-offset: 108px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-offset) + 1rem);
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(255, 134, 200, 0.24), transparent 32%),
        radial-gradient(circle at bottom right, rgba(85, 147, 247, 0.2), transparent 34%),
        linear-gradient(180deg, #fcf8f4 0%, #f5f7f2 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.03;
    background-image:
        linear-gradient(rgba(24, 32, 51, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 32, 51, 0.08) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(circle at center, black 22%, transparent 82%);
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    color: inherit;
}

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

:where(section[id], article[id]) {
    scroll-margin-top: calc(var(--header-offset) + 1rem);
}

:where(a, button, summary, details) {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid rgba(85, 147, 247, 0.34);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    left: 50%;
    top: 0.8rem;
    z-index: 40;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-pill);
    background: var(--ink);
    color: white;
    box-shadow: var(--shadow-sm);
    transform: translate(-50%, -160%);
    transition: transform var(--transition-fast);
}

.skip-link:focus-visible {
    transform: translate(-50%, 0);
    outline-color: rgba(255, 255, 255, 0.45);
}

.page-shell {
    position: relative;
    overflow: clip;
    min-height: 100vh;
    padding: 1rem;
}

.page-glow {
    position: absolute;
    width: 15rem;
    height: 15rem;
    border-radius: 999px;
    filter: blur(28px);
    opacity: 0.42;
    pointer-events: none;
}

.page-glow--coral {
    top: -5rem;
    left: -4rem;
    background: rgba(255, 94, 83, 0.18);
}

.page-glow--blue {
    top: 12rem;
    right: -5rem;
    background: rgba(85, 147, 247, 0.18);
}

.page-glow--green {
    left: 15%;
    bottom: -7rem;
    background: rgba(170, 246, 131, 0.18);
}

.site-header,
.landing,
.site-footer {
    position: relative;
    z-index: 1;
    width: min(100%, 78rem);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0.75rem;
    z-index: 20;
}

.topbar {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 1rem 1.25rem;
    padding: 0.8rem 1rem;
    border-radius: calc(var(--radius-pill) + 4px);
    border: 1px solid rgba(255, 255, 255, 0.58);
    background: rgba(255, 251, 247, 0.82);
    backdrop-filter: blur(18px);
    box-shadow: 0 14px 30px rgba(24, 32, 51, 0.08);
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

body.is-scrolled .topbar {
    background: rgba(255, 252, 248, 0.94);
    border-color: rgba(24, 32, 51, 0.1);
    box-shadow: 0 18px 36px rgba(24, 32, 51, 0.12);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    min-width: 0;
}

.brand__mark {
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--blue), var(--coral));
    color: white;
    font-weight: 800;
    box-shadow: var(--shadow-sm);
}

.brand__copy {
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    min-width: 0;
}

.brand__copy strong {
    font-size: 1rem;
    letter-spacing: 0.01em;
}

.brand__copy small {
    color: var(--ink-faint);
}

.topbar__toggle {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    min-height: 3rem;
    padding: 0 1rem;
    margin-left: auto;
    border: 1px solid rgba(24, 32, 51, 0.08);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.76);
    cursor: pointer;
}

.topbar__toggle-box {
    display: grid;
    gap: 0.28rem;
}

.topbar__toggle-box span {
    width: 1.1rem;
    height: 2px;
    border-radius: 999px;
    background: var(--ink);
    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast);
}

.topbar__toggle-label {
    font-weight: 800;
}

.topbar__toggle[aria-expanded="true"] .topbar__toggle-box span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.topbar__toggle[aria-expanded="true"] .topbar__toggle-box span:nth-child(2) {
    opacity: 0;
}

.topbar__toggle[aria-expanded="true"] .topbar__toggle-box span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.topbar__panel {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.topbar__links,
.topbar__actions,
.hero__actions,
.download-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.topbar__links {
    min-width: 0;
}

.topbar__links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.85rem;
    padding: 0 0.95rem;
    border-radius: var(--radius-pill);
    color: var(--ink-soft);
    font-weight: 700;
    transition:
        color var(--transition-fast),
        background var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.topbar__links a:hover,
.topbar__links a.is-active {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.72);
    box-shadow: inset 0 0 0 1px rgba(24, 32, 51, 0.06);
}

.topbar__links a.is-active::after {
    content: "";
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0.5rem;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--blue), var(--coral));
}

.landing {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 1rem;
    padding-bottom: 2.25rem;
}

.hero,
.panel,
.download-card {
    position: relative;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.52);
    background: var(--surface);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-md);
}

.hero,
.panel,
.download-card,
.trust-card,
.problem-card,
.feature-card,
.step-card,
.benefit-card,
.preview-card,
.install-card,
.faq-item,
.device,
.mini-card,
.metric-card,
.list-card,
.overlay-card,
.progress-card,
.mission-card,
.proof-pill,
.meta-item,
.download-note {
    backdrop-filter: blur(18px);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 1.6rem;
    padding: 1.75rem;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: auto auto -5rem -4rem;
    width: 14rem;
    height: 14rem;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(170, 246, 131, 0.3), transparent 68%);
    pointer-events: none;
}

.hero__copy,
.download-card__copy,
.download-card__meta {
    min-width: 0;
    display: grid;
    gap: 1.15rem;
}

.hero__copy {
    align-content: start;
}

.pill-row {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    align-items: center;
}

.pill,
.tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
}

.pill {
    background: rgba(255, 255, 255, 0.72);
    color: var(--ink-soft);
    border: 1px solid rgba(24, 32, 51, 0.06);
}

.tag {
    white-space: nowrap;
}

.eyebrow {
    margin: 0 0 0.35rem;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.hero h1,
.panel h2,
.download-card h2 {
    margin: 0;
    font-family: var(--font-display);
    letter-spacing: -0.055em;
    font-weight: 800;
    text-wrap: balance;
}

.hero h1 {
    font-size: clamp(2.65rem, 4.7vw, 4.2rem);
    line-height: 0.97;
    max-width: 20ch;
}

.panel h2,
.download-card h2 {
    font-size: clamp(2rem, 3.2vw, 3rem);
    line-height: 1.04;
    margin-bottom: 1rem;
}

.hero__lead,
.section-heading p,
.problem-card p,
.feature-card p,
.step-card p,
.benefit-card p,
.preview-card p,
.install-card p,
.faq-item p,
.download-card p,
.trust-card p,
.metric-card small,
.list-card small,
.progress-card small,
.overlay-card p,
.hero__support p,
.site-footer p,
.site-footer small {
    margin: 0;
    color: var(--ink-soft);
    line-height: 1.6;
    font-family: var(--font-subtitle);
    letter-spacing: 0.01em;
}

.hero__lead {
    max-width: 58ch;
    font-size: 1.03rem;
}

.button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.35rem;
    padding: 0 1.35rem;
    border-radius: var(--radius-pill);
    font-weight: 800;
    text-align: center;
    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        color var(--transition-fast);
}

.button:hover {
    transform: translateY(-1px);
}

.button--primary {
    overflow: hidden;
    background: linear-gradient(135deg, var(--blue), #3f77db);
    color: white;
    box-shadow: var(--shadow-sm);
}

.button--primary::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.28), transparent 80%);
    transform: translateX(-120%);
    animation: sheen 4.8s ease-in-out infinite;
}

.button--secondary {
    background: linear-gradient(135deg, var(--blue), #3f77db);
    color: white;
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
}

.button--ghost {
    background: transparent;
    color: var(--ink-soft);
    border: 1px solid rgba(24, 32, 51, 0.08);
}

.button--ghost:hover,
.button--secondary:hover {
    background: rgba(85, 147, 247, 0.18);
}

.topbar__actions .button.is-active {
    color: var(--ink);
    border-color: rgba(85, 147, 247, 0.22);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: inset 0 0 0 1px rgba(85, 147, 247, 0.08);
}

.hero__support {
    display: grid;
    gap: 0.4rem;
    padding: 1rem 1.05rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(24, 32, 51, 0.06);
    background:
        linear-gradient(145deg, rgba(85, 147, 247, 0.07), rgba(255, 255, 255, 0.88)),
        rgba(255, 255, 255, 0.74);
    box-shadow: var(--shadow-sm);
}

.hero__support strong {
    font-size: 1rem;
    line-height: 1.3;
}

.proof-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
}

.proof-pill {
    min-width: 0;
    padding: 1rem 1.05rem;
    border-radius: 1.3rem;
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(24, 32, 51, 0.06);
    box-shadow: var(--shadow-sm);
}

.proof-pill strong,
.download-note strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.98rem;
    line-height: 1.3;
}

.proof-pill span {
    color: var(--ink-soft);
    font-size: 0.9rem;
    line-height: 1.45;
}

.hero__trust {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.trust-card,
.problem-card,
.feature-card,
.step-card,
.benefit-card,
.preview-card,
.install-card,
.faq-item {
    min-width: 0;
    padding: 1.1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.76);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.trust-card:hover,
.problem-card:hover,
.feature-card:hover,
.step-card:hover,
.benefit-card:hover,
.preview-card:hover,
.install-card:hover {
    transform: translateY(-2px);
    border-color: rgba(24, 32, 51, 0.12);
    box-shadow: 0 14px 30px rgba(17, 28, 48, 0.1);
}

.trust-card strong,
.problem-card strong,
.feature-card strong,
.step-card strong,
.benefit-card strong,
.preview-card strong,
.install-card strong,
.faq-item summary {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.28;
    overflow-wrap: anywhere;
}

.hero__visual {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
    align-items: stretch;
}

.device {
    position: relative;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
    padding: 1.15rem;
    border-radius: 2rem;
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid rgba(24, 32, 51, 0.06);
    box-shadow: var(--shadow-lg);
}

.device::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.device__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.device__role {
    color: var(--ink-faint);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.status-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 999px;
}

.status-dot--green {
    background: #71cf3b;
}

.status-dot--coral {
    background: var(--coral);
}

.device h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.24rem;
    line-height: 1.16;
    letter-spacing: -0.04em;
}

.metric-card,
.progress-card,
.list-card,
.overlay-card,
.mini-card,
.mission-card {
    min-width: 0;
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.76);
}

.metric-card--blue {
    background:
        linear-gradient(155deg, rgba(85, 147, 247, 0.16), rgba(255, 255, 255, 0.86) 48%),
        var(--surface-strong);
}

.overlay-card {
    background:
        linear-gradient(155deg, rgba(255, 94, 83, 0.16), rgba(255, 255, 255, 0.88) 50%),
        var(--surface-strong);
}

.mini-card,
.list-card,
.mission-card,
.metric-grid {
    display: grid;
    gap: 0.65rem;
}

.metric-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
}

.metric-card span,
.mini-card span,
.progress-card span,
.list-card small,
.mission-card small {
    color: var(--ink-faint);
    line-height: 1.35;
}

.mini-card__header,
.list-card__header,
.mission-card__header,
.progress-card__header {
    min-width: 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.metric-card strong,
.mini-card strong,
.list-card strong,
.mission-card strong,
.overlay-card strong {
    display: block;
    margin-top: 0.35rem;
    font-size: 1.06rem;
    line-height: 1.28;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.35rem;
    max-width: 100%;
    padding: 0.5rem 0.82rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 800;
    line-height: 1.15;
    white-space: nowrap;
    text-align: center;
    border: 1px solid transparent;
}

.status-chip--neutral {
    background: rgba(24, 32, 51, 0.06);
    color: var(--ink-soft);
}

.status-chip--coral {
    background: var(--coral-soft);
    color: var(--coral);
}

.status-chip--green {
    background: var(--green-soft);
    color: #4e8d22;
}

.status-chip--blue {
    background: var(--blue-soft);
    color: var(--blue);
}

.progress-track {
    position: relative;
    width: 100%;
    height: 0.85rem;
    margin: 0.85rem 0 0.65rem;
    border-radius: 999px;
    background: rgba(24, 32, 51, 0.08);
    overflow: hidden;
}

.progress-fill {
    display: block;
    width: 96%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--coral), var(--pink));
}

.tag--coral {
    background: var(--coral-soft);
    color: var(--coral);
}

.tag--green {
    background: var(--green-soft);
    color: #4e8d22;
}

.tag--blue {
    background: var(--blue-soft);
    color: var(--blue);
}

.tag--pink {
    background: var(--pink-soft);
    color: #c5478f;
}

.signal-band {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(24, 32, 51, 0.06);
    background: rgba(24, 32, 51, 0.96);
    color: #fffdf9;
    box-shadow: var(--shadow-md);
}

.signal-band__track {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.9rem;
    padding: 0.95rem 1rem;
}

.signal-band__track span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    padding: 0.3rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    line-height: 1.3;
    text-align: center;
    overflow-wrap: anywhere;
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.panel {
    padding: 1.7rem;
}

.panel--soft {
    background:
        linear-gradient(155deg, rgba(255, 255, 255, 0.78), rgba(255, 134, 200, 0.08)),
        var(--surface);
}

.panel--timeline {
    background:
        linear-gradient(150deg, rgba(85, 147, 247, 0.08), rgba(255, 94, 83, 0.08)),
        var(--surface);
}

.panel--download {
    display: grid;
    gap: 1rem;
}

.section-heading {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.55rem;
    max-width: 46rem;
}

.problem-grid,
.feature-grid,
.benefit-grid,
.preview-grid,
.install-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.95rem;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.95rem;
}

.feature-card,
.benefit-card,
.preview-card,
.install-card,
.problem-card,
.step-card {
    min-height: 100%;
}

.feature-icon,
.step-card span:first-child {
    width: 2.45rem;
    height: 2.45rem;
    display: inline-grid;
    place-items: center;
    border-radius: 999px;
    background: var(--blue-soft);
    color: var(--blue);
    font-weight: 900;
    margin-bottom: 0.8rem;
}

.download-card {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(17rem, 0.82fr);
    gap: 1.15rem;
    padding: 1.65rem;
    margin-bottom: 1rem;
    background:
        linear-gradient(145deg, rgba(85, 147, 247, 0.08), rgba(255, 94, 83, 0.08)),
        var(--surface-strong);
}

.download-card__meta {
    align-content: start;
}

.download-note {
    display: grid;
    gap: 0.75rem;
    padding: 1rem 1.05rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(24, 32, 51, 0.06);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow-sm);
}

.download-note__list {
    display: grid;
    gap: 0.55rem;
}

.download-note__list span {
    position: relative;
    padding-left: 1.2rem;
    color: var(--ink-soft);
    line-height: 1.45;
}

.download-note__list span::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--blue), var(--coral));
}

.meta-item {
    min-width: 0;
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--border);
}

.meta-item span {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--ink-faint);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.meta-item strong {
    font-size: 1rem;
    line-height: 1.4;
}

.faq-grid {
    display: grid;
    gap: 0.9rem;
}

.faq-item summary {
    position: relative;
    list-style: none;
    padding-right: 2rem;
    cursor: pointer;
}

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

.faq-item summary::after {
    content: "+";
    position: absolute;
    top: 0;
    right: 0;
    color: var(--ink-faint);
    font-size: 1.4rem;
    line-height: 1;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.faq-item[open] {
    background:
        linear-gradient(155deg, rgba(85, 147, 247, 0.07), rgba(255, 255, 255, 0.92)),
        var(--surface-strong);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
    color: var(--blue);
}

.faq-item p {
    padding-top: 0.15rem;
}

.site-footer {
    padding: 0 0 2rem;
    display: grid;
    gap: 1.2rem;
    color: var(--ink-soft);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr));
    gap: 1rem;
    padding: 1.25rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 253, 249, 0.72);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-sm);
}

.site-footer__brand,
.site-footer__column,
.footer-links,
.footer-meta,
.site-footer__bottom {
    display: grid;
    gap: 0.7rem;
}

.brand--footer .brand__mark {
    width: 2.75rem;
    height: 2.75rem;
}

.site-footer__column strong {
    color: var(--ink);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.footer-links a,
.footer-meta span {
    color: var(--ink-soft);
    line-height: 1.5;
}

.footer-links a {
    width: fit-content;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
    color: var(--ink);
    transform: translateX(2px);
}

.site-footer__bottom {
    gap: 0.3rem;
    padding: 0 0.2rem;
}

@keyframes sheen {
    0%,
    72% {
        transform: translateX(-120%);
    }
    100% {
        transform: translateX(120%);
    }
}

@media (max-width: 1080px) {
    .hero,
    .download-card,
    .section-grid,
    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .proof-strip,
    .hero__trust,
    .timeline,
    .signal-band__track {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .topbar {
        grid-template-columns: auto auto;
    }

    .topbar__panel {
        grid-column: 1 / -1;
    }

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

    .device--child {
        max-width: 30rem;
    }
}

@media (max-width: 760px) {
    .page-shell {
        padding: 0.8rem;
    }

    .site-header {
        top: 0.55rem;
    }

    .topbar {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        padding: 0.85rem 0.9rem;
        overflow: visible;
    }

    .topbar__toggle {
        display: inline-flex;
        min-width: 3rem;
        padding: 0 0.9rem;
    }

    .topbar__toggle-label {
        display: none;
    }

    .topbar__toggle[aria-expanded="true"] {
        background: rgba(85, 147, 247, 0.14);
        border-color: rgba(85, 147, 247, 0.24);
    }

    .topbar__panel {
        display: grid;
        position: absolute;
        left: 0;
        right: 0;
        top: calc(100% + 0.7rem);
        width: 100%;
        grid-column: auto;
        grid-template-columns: minmax(0, 1fr);
        gap: 0.8rem;
        padding: 0.9rem;
        border-radius: 1.5rem;
        border: 1px solid rgba(255, 255, 255, 0.62);
        background: rgba(255, 251, 247, 0.96);
        backdrop-filter: blur(20px);
        box-shadow: 0 20px 44px rgba(24, 32, 51, 0.14);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-10px) scale(0.98);
        transform-origin: top center;
        justify-items: stretch;
        transition:
            opacity var(--transition-fast),
            transform var(--transition-fast),
            visibility var(--transition-fast);
    }

    .topbar__panel[data-open="true"] {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }

    .topbar__links,
    .hero__actions,
    .download-actions {
        display: grid;
        flex-direction: column;
        align-items: stretch;
    }

    .topbar__links {
        min-width: 0;
        width: 100%;
        gap: 0.45rem;
    }

    .topbar__actions {
        display: grid;
        min-width: 0;
        width: 100%;
        grid-template-columns: 1fr;
        gap: 0.65rem;
        padding-top: 0.15rem;
        border-top: 1px solid rgba(24, 32, 51, 0.08);
    }

    .button {
        width: 100%;
    }

    .topbar__links a {
        width: 100%;
        justify-content: space-between;
        min-height: 3.1rem;
        padding: 0.9rem 1rem;
        background: rgba(255, 255, 255, 0.72);
        border: 1px solid rgba(24, 32, 51, 0.06);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
    }

    .topbar__links a.is-active::after {
        left: auto;
        right: auto;
        width: 0.55rem;
        height: 0.55rem;
        bottom: auto;
        top: 50%;
        right: 1rem;
        transform: translateY(-50%);
        background: linear-gradient(135deg, var(--blue), var(--coral));
        border-radius: 999px;
    }

    .topbar__actions .button {
        display: flex;
        width: 100%;
        min-height: 3.15rem;
        justify-content: center;
        align-self: stretch;
    }

    .topbar__actions .button--ghost {
        background: rgba(255, 255, 255, 0.72);
        color: var(--ink);
        border-color: rgba(24, 32, 51, 0.08);
    }

    .hero,
    .panel,
    .download-card {
        padding: 1.1rem;
    }

    .hero h1 {
        font-size: clamp(2.25rem, 11vw, 3.45rem);
        max-width: 100%;
    }

    .proof-strip,
    .hero__trust,
    .problem-grid,
    .feature-grid,
    .benefit-grid,
    .preview-grid,
    .install-grid,
    .timeline,
    .metric-grid,
    .signal-band__track {
        grid-template-columns: 1fr;
    }

    .download-card {
        gap: 1rem;
    }

    .section-heading {
        margin-bottom: 1.25rem;
    }
}

@media (max-width: 540px) {
    .topbar {
        padding: 0.75rem 0.8rem;
    }

    .topbar__panel {
        top: calc(100% + 0.6rem);
        padding: 0.8rem;
        border-radius: 1.35rem;
    }

    .brand__copy small {
        display: none;
    }

    .signal-band {
        border-radius: 1.6rem;
    }

    .device {
        padding: 1rem;
        border-radius: 1.5rem;
    }

    .site-footer__grid {
        padding: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .button:hover,
    .trust-card:hover,
    .problem-card:hover,
    .feature-card:hover,
    .step-card:hover,
    .benefit-card:hover,
    .preview-card:hover,
    .install-card:hover,
    .footer-links a:hover {
        transform: none;
    }
}