:root {
    --bg: #edf3f9;
    --bg-elevated: rgba(255, 255, 255, 0.86);
    --surface: #ffffff;
    --surface-2: #f7fbff;
    --surface-3: #eef5fb;
    --text: #16202b;
    --text-soft: #5f6d7c;
    --text-faint: #8191a2;
    --line: rgba(21, 34, 48, 0.10);
    --line-strong: rgba(21, 34, 48, 0.16);
    --primary: #6f96c8;
    --primary-strong: #547fb8;
    --primary-soft: rgba(111, 150, 200, 0.14);
    --dark: #0f1720;
    --dark-soft: #16212d;
    --success: #5ea483;
    --shadow-1: 0 10px 30px rgba(20, 35, 55, 0.08);
    --shadow-2: 0 22px 60px rgba(17, 30, 45, 0.12);
    --shadow-3: 0 30px 80px rgba(18, 34, 58, 0.16);
    --radius-sm: 14px;
    --radius-md: 22px;
    --radius-lg: 30px;
    --radius-xl: 40px;
    --container: 1240px;
    --container-narrow: 920px;
    --header-h: 76px;
    --sticky-h: 84px;
    --transition: 240ms cubic-bezier(.2, .8, .2, 1);
    --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

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

body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(122, 156, 204, 0.18), transparent 28%),
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.8), transparent 22%),
        linear-gradient(180deg, #f7fbff 0%, #ecf3f9 100%);
    min-width: 320px;
    overflow-x: hidden;
    padding-bottom: calc(var(--sticky-h) + env(safe-area-inset-bottom));
}

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

button,
input,
summary {
    font: inherit;
}

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

.container {
    width: min(calc(100% - 32px), var(--container));
    margin: 0 auto;
}

.narrow {
    width: min(calc(100% - 32px), var(--container-narrow));
    margin: 0 auto;
}

.section {
    padding: 56px 0;
}

.section--compact {
    padding: 28px 0 36px;
}

.section--tinted {
    background: linear-gradient(180deg, rgba(255,255,255,0.7), rgba(241,247,253,0.85));
}

.section--dark {
    background: linear-gradient(180deg, #121c27 0%, #172432 100%);
    color: #f7fbff;
}

.section-heading {
    text-align: center;
    margin: 0 auto 28px;
    max-width: 760px;
}

.section-heading h2 {
    margin: 10px 0 12px;
    font-size: clamp(2rem, 7vw, 3.2rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
}

.section-heading p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-soft);
}

.section-heading--light p {
    color: rgba(247, 251, 255, 0.76);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(23, 37, 53, 0.08);
    color: var(--text-soft);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.section--dark .eyebrow {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(247, 251, 255, 0.9);
    border-color: rgba(255,255,255,0.10);
}

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.88rem;
}

.pill--soft {
    background: rgba(255, 255, 255, 0.64);
    border: 1px solid rgba(22, 32, 43, 0.08);
    color: var(--text-soft);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.site-shell {
    position: relative;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: linear-gradient(180deg, rgba(247, 251, 255, 0.82), rgba(247, 251, 255, 0.65));
    border-bottom: 1px solid rgba(21, 34, 48, 0.06);
}

.topbar__inner {
    min-height: var(--header-h);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand__logo,
.footer__logo {
    width: 38px;
    height: 38px;
    object-fit: contain;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
}

.brand__text {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.topbar__trust {
    display: none;
    justify-self: center;
}

.topbar__cta {
    min-width: 124px;
}

.button {
    appearance: none;
    border: 0;
    outline: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    padding: 0 18px;
    border-radius: 16px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        background-color var(--transition),
        color var(--transition),
        border-color var(--transition),
        opacity var(--transition);
}

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

.button:active {
    transform: translateY(0);
}

.button--primary {
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-strong) 100%);
    color: #ffffff;
    box-shadow: 0 16px 30px rgba(84, 127, 184, 0.24);
}

.button--dark {
    background: var(--dark);
    color: #ffffff;
    box-shadow: 0 14px 26px rgba(15, 23, 32, 0.18);
}

.button--ghost {
    background: rgba(255, 255, 255, 0.72);
    color: var(--text);
    border: 1px solid rgba(21, 34, 48, 0.10);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.button--bundle {
    width: 100%;
    background: rgba(255,255,255,0.08);
    color: #f7fbff;
    border: 1px solid rgba(255,255,255,0.14);
}

.bundle-card.is-active .button--bundle {
    background: #ffffff;
    color: var(--dark);
    border-color: rgba(255,255,255,0.18);
}

.button--lg {
    min-height: 56px;
    padding-inline: 22px;
    font-size: 1rem;
}

.button--xl {
    min-height: 60px;
    padding-inline: 26px;
    font-size: 1rem;
}

.button--full {
    width: 100%;
}

.hero {
    padding-top: 28px;
    padding-bottom: 36px;
}

.hero__grid {
    display: grid;
    gap: 26px;
    align-items: center;
}

.hero__content {
    max-width: 660px;
}

.hero__title {
    margin: 14px 0 12px;
    font-size: clamp(2.5rem, 10vw, 5.4rem);
    line-height: 0.93;
    letter-spacing: -0.06em;
    text-wrap: balance;
}

.hero__subtitle {
    margin: 0;
    font-size: 1rem;
    line-height: 1.72;
    color: var(--text-soft);
}

.hero__trustline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: 18px;
    color: var(--text-faint);
    font-size: 0.9rem;
    font-weight: 600;
}

.hero__price {
    display: grid;
    gap: 10px;
    margin-top: 22px;
    padding: 18px;
    border-radius: 24px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
}

.hero__price-main {
    display: flex;
    align-items: baseline;
    gap: 10px;
    letter-spacing: -0.04em;
}

.hero__price-main strong {
    font-size: 2rem;
    line-height: 1;
}

.hero__price-label {
    color: var(--text-soft);
    font-size: 0.95rem;
    font-weight: 700;
}

.hero__price-copy {
    color: var(--text-soft);
    line-height: 1.6;
    font-size: 0.95rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.hero__stats {
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.hero__stats li {
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(21, 34, 48, 0.08);
    border-radius: 20px;
    padding: 16px 18px;
    box-shadow: var(--shadow-1);
}

.hero__stats strong {
    display: block;
    font-size: 1.2rem;
    letter-spacing: -0.03em;
    margin-bottom: 6px;
}

.hero__stats span {
    color: var(--text-soft);
    line-height: 1.55;
    font-size: 0.94rem;
}

.hero__visual {
    position: relative;
}

.device-card {
    position: relative;
    padding: 16px;
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.76));
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-3);
    overflow: hidden;
    min-height: 420px;
}

.device-card__glow {
    position: absolute;
    inset: auto auto -8% -12%;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(111, 150, 200, 0.34), transparent 70%);
    filter: blur(10px);
}

.device-card__image {
    position: relative;
    width: 100%;
    min-height: 380px;
    object-fit: contain;
    z-index: 1;
}

.device-card__floating {
    position: absolute;
    inset: auto 14px 14px 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    z-index: 2;
}

.floating-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
    color: var(--text-soft);
    font-size: 0.88rem;
    font-weight: 700;
}

.floating-chip__dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 6px rgba(94, 164, 131, 0.12);
}

.trustbar {
    display: grid;
    gap: 12px;
}

.trustbar__item {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 12px;
    align-items: start;
    padding: 16px;
    border-radius: 22px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
}

.trustbar__icon {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 14px;
    background: var(--surface-2);
    border: 1px solid rgba(21, 34, 48, 0.06);
    padding: 8px;
}

.trustbar__item h3 {
    margin: 0 0 6px;
    font-size: 1rem;
    letter-spacing: -0.03em;
}

.trustbar__item p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.55;
    font-size: 0.92rem;
}

.problem-grid,
.reviews-grid {
    display: grid;
    gap: 14px;
}

.problem-card,
.review-card {
    background: rgba(255,255,255,0.8);
    border: 1px solid rgba(21, 34, 48, 0.08);
    border-radius: 24px;
    padding: 20px;
    box-shadow: var(--shadow-1);
}

.problem-card h3,
.review-card h3 {
    margin: 0 0 10px;
    font-size: 1.14rem;
    letter-spacing: -0.03em;
}

.problem-card p,
.review-card p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.65;
}

.demo-grid {
    display: grid;
    gap: 18px;
    align-items: center;
}

.steps {
    list-style: none;
    margin: 22px 0 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.steps__item {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 14px;
    align-items: start;
    padding: 16px;
    border-radius: 22px;
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
}

.steps__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 18px;
    background: linear-gradient(180deg, var(--primary-soft), rgba(255,255,255,0.86));
    color: var(--primary-strong);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.steps__item h3 {
    margin: 0 0 6px;
    font-size: 1.02rem;
    letter-spacing: -0.03em;
}

.steps__item p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.6;
}

.demo-panel {
    position: relative;
}

.demo-panel__screen {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.74));
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-2);
    min-height: 360px;
    padding: 18px;
}

.demo-panel__image {
    width: 100%;
    min-height: 320px;
    object-fit: contain;
    border-radius: 22px;
    background: linear-gradient(180deg, #f7fbff, #eef4fa);
}

.demo-panel__overlay {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 14px;
    border-radius: 18px;
    background: rgba(15, 23, 32, 0.82);
    color: #ffffff;
    font-size: 0.92rem;
    font-weight: 700;
    box-shadow: 0 18px 30px rgba(17, 30, 45, 0.18);
}

.pulse-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #7fc3a0;
    box-shadow: 0 0 0 0 rgba(127, 195, 160, 0.55);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(127, 195, 160, 0.55); }
    70% { box-shadow: 0 0 0 10px rgba(127, 195, 160, 0); }
    100% { box-shadow: 0 0 0 0 rgba(127, 195, 160, 0); }
}

.usecases-grid,
.bundle-grid {
    display: grid;
    gap: 14px;
}

.usecase-card {
    overflow: hidden;
    border-radius: 28px;
    background: rgba(255,255,255,0.8);
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
}

.usecase-card__image-wrap {
    aspect-ratio: 16 / 11;
    background: linear-gradient(180deg, #f7fbff, #edf4fa);
    overflow: hidden;
}

.usecase-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 500ms cubic-bezier(.2, .8, .2, 1);
}

.usecase-card:hover .usecase-card__image {
    transform: scale(1.03);
}

.usecase-card__body {
    padding: 18px;
}

.usecase-card__body h3 {
    margin: 0 0 8px;
    font-size: 1.08rem;
    letter-spacing: -0.03em;
}

.usecase-card__body p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.65;
}

.bundle-card {
    position: relative;
    padding: 22px;
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
    transition:
        transform var(--transition),
        border-color var(--transition),
        background-color var(--transition),
        box-shadow var(--transition);
}

.bundle-card:hover {
    transform: translateY(-2px);
}

.bundle-card.is-active {
    border-color: rgba(255,255,255,0.22);
    background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.08));
    box-shadow: 0 20px 40px rgba(10, 18, 26, 0.22);
}

.bundle-card__badge {
    position: absolute;
    top: 16px;
    right: 16px;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    background: #ffffff;
    color: var(--dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.bundle-card__label {
    color: rgba(247,251,255,0.74);
    font-size: 0.84rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
}

.bundle-card__title {
    margin: 10px 0 0;
    font-size: 1.48rem;
    letter-spacing: -0.04em;
}

.bundle-card__pricing {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-top: 18px;
}

.bundle-card__pricing strong {
    font-size: 2rem;
    line-height: 1;
    letter-spacing: -0.05em;
}

.bundle-card__pricing span {
    color: rgba(247,251,255,0.5);
    text-decoration: line-through;
    font-weight: 600;
}

.bundle-card__list {
    list-style: none;
    margin: 18px 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.bundle-card__list li {
    position: relative;
    padding-left: 22px;
    color: rgba(247,251,255,0.86);
    line-height: 1.55;
}

.bundle-card__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #7fc3a0;
    box-shadow: 0 0 0 5px rgba(127, 195, 160, 0.12);
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.review-card__avatar {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    object-fit: cover;
    background: var(--surface-2);
    border: 1px solid rgba(21, 34, 48, 0.08);
}

.review-card__stars {
    color: #d49d43;
    letter-spacing: 0.12em;
    font-size: 0.88rem;
}

.faq-card {
    padding: 22px;
    border-radius: 30px;
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-2);
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    border: 1px solid rgba(21, 34, 48, 0.08);
    border-radius: 20px;
    overflow: hidden;
    background: var(--surface);
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 18px 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.faq-item__plus {
    position: relative;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
}

.faq-item__plus::before,
.faq-item__plus::after {
    content: "";
    position: absolute;
    inset: 50% auto auto 50%;
    width: 18px;
    height: 2px;
    background: var(--text-soft);
    transform: translate(-50%, -50%);
    border-radius: 999px;
    transition: transform var(--transition), opacity var(--transition);
}

.faq-item__plus::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-item__plus::after {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg) scaleX(0.3);
}

.faq-item__body {
    padding: 0 20px 18px;
}

.faq-item__body p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.7;
}

.final-cta {
    display: grid;
    gap: 20px;
    align-items: center;
    padding: 28px;
    border-radius: 34px;
    background: linear-gradient(180deg, rgba(255,255,255,0.84), rgba(255,255,255,0.72));
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-2);
}

.final-cta__copy h2 {
    margin: 10px 0 10px;
    font-size: clamp(2rem, 7vw, 3.2rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
}

.final-cta__copy p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.7;
}

.final-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.footer {
    padding: 18px 0 calc(22px + env(safe-area-inset-bottom));
}

.footer__inner {
    display: grid;
    gap: 18px;
    align-items: center;
    padding: 22px;
    border-radius: 28px;
    background: rgba(255,255,255,0.74);
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer__brand strong {
    display: block;
    letter-spacing: -0.03em;
}

.footer__brand p {
    margin: 4px 0 0;
    color: var(--text-soft);
    font-size: 0.94rem;
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.footer__nav a {
    color: var(--text-soft);
    font-weight: 600;
}

.footer__nav a:hover {
    color: var(--text);
}

.sticky-buybar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 45;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    pointer-events: none;
}

.sticky-buybar__inner {
    pointer-events: auto;
    width: min(calc(100% - 16px), 980px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
    min-height: var(--sticky-h);
    padding: 12px;
    border-radius: 24px;
    background: rgba(15, 23, 32, 0.88);
    color: #ffffff;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 20px 40px rgba(16, 29, 44, 0.22);
}

.sticky-buybar__label {
    display: block;
    color: rgba(255,255,255,0.62);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    margin-bottom: 4px;
    font-weight: 700;
}

.sticky-buybar__meta strong {
    display: block;
    font-size: 1.02rem;
    letter-spacing: -0.03em;
}

.sticky-buybar__button {
    min-width: 150px;
}

.sheet-backdrop {
    position: fixed;
    inset: 0;
    z-index: 59;
    background: rgba(12, 20, 29, 0.48);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity var(--transition);
}

.sheet-backdrop.is-visible {
    opacity: 1;
}

.purchase-sheet {
    position: fixed;
    inset: auto 0 0 0;
    z-index: 60;
    border-radius: 28px 28px 0 0;
    background: linear-gradient(180deg, rgba(250, 252, 255, 0.98), rgba(244, 248, 253, 0.98));
    border-top: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: 0 -30px 80px rgba(18, 34, 58, 0.18);
    transform: translateY(102%);
    transition: transform 320ms cubic-bezier(.2, .8, .2, 1);
    max-height: min(90vh, 860px);
    display: grid;
    grid-template-rows: auto 1fr auto;
}

.purchase-sheet.is-open {
    transform: translateY(0);
}

.purchase-sheet__handle {
    width: 46px;
    height: 5px;
    border-radius: 999px;
    background: rgba(21, 34, 48, 0.18);
    margin: 10px auto 0;
}

.purchase-sheet__header,
.purchase-sheet__footer,
.purchase-sheet__body {
    padding-inline: 18px;
}

.purchase-sheet__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding-top: 14px;
    padding-bottom: 14px;
}

.purchase-sheet__header h2 {
    margin: 10px 0 0;
    font-size: 1.6rem;
    letter-spacing: -0.04em;
}

.purchase-sheet__close {
    appearance: none;
    border: 0;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: 1.6rem;
    line-height: 1;
    box-shadow: var(--shadow-1);
}

.purchase-sheet__body {
    overflow: auto;
    padding-bottom: 10px;
}

.purchase-sheet__footer {
    padding-top: 14px;
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(21, 34, 48, 0.08);
    background: rgba(255,255,255,0.76);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.purchase-sheet__note {
    margin: 10px 0 0;
    color: var(--text-soft);
    line-height: 1.55;
    font-size: 0.9rem;
    text-align: center;
}

.sheet-section {
    padding: 14px 0;
}

.sheet-section__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.sheet-section__head h3 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: -0.03em;
}

.sheet-section__muted {
    color: var(--text-faint);
    font-size: 0.88rem;
    font-weight: 600;
}

.sheet-bundle-list,
.upsell-list {
    display: grid;
    gap: 10px;
}

.sheet-option,
.upsell-card {
    display: block;
    cursor: pointer;
}

.sheet-option input,
.upsell-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.sheet-option__box,
.upsell-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
    min-height: 74px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(255,255,255,0.84);
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
    transition:
        border-color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
}

.sheet-option input:checked + .sheet-option__box {
    border-color: rgba(84, 127, 184, 0.36);
    box-shadow: 0 18px 30px rgba(84, 127, 184, 0.14);
    transform: translateY(-1px);
}

.sheet-option__box strong,
.upsell-card__content strong {
    display: block;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
}

.sheet-option__box small,
.upsell-card__content small {
    display: block;
    color: var(--text-soft);
    line-height: 1.5;
    font-size: 0.9rem;
}

.sheet-option__price,
.upsell-card__price {
    font-weight: 800;
    letter-spacing: -0.03em;
}

.upsell-card {
    position: relative;
    grid-template-columns: 24px 1fr auto;
}

.upsell-card__check {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    border: 1px solid rgba(21, 34, 48, 0.16);
    background: #ffffff;
    position: relative;
}

.upsell-card input:checked ~ .upsell-card__check::before {
    content: "";
    position: absolute;
    inset: 5px;
    border-radius: 5px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-strong) 100%);
}

.upsell-card input:checked ~ .upsell-card__content,
.upsell-card input:checked ~ .upsell-card__price {
    color: var(--text);
}

.upsell-card:has(input:checked) {
    border-color: rgba(84, 127, 184, 0.32);
    box-shadow: 0 18px 30px rgba(84, 127, 184, 0.12);
}

.sheet-summary {
    margin-top: 8px;
    padding: 16px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(246,249,253,0.92));
    border: 1px solid rgba(21, 34, 48, 0.08);
    box-shadow: var(--shadow-1);
}

.sheet-summary__row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 0;
    color: var(--text-soft);
}

.sheet-summary__row strong {
    color: var(--text);
    text-align: right;
}

.sheet-summary__row--total {
    margin-top: 8px;
    padding-top: 14px;
    border-top: 1px solid rgba(21, 34, 48, 0.08);
    color: var(--text);
    font-weight: 700;
}

.sheet-summary__row--total strong {
    font-size: 1.2rem;
    letter-spacing: -0.03em;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms cubic-bezier(.2, .8, .2, 1), transform 600ms cubic-bezier(.2, .8, .2, 1);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }

@media (min-width: 700px) {
    .section {
        padding: 76px 0;
    }

    .hero {
        padding-top: 42px;
        padding-bottom: 54px;
    }

    .hero__grid,
    .demo-grid,
    .final-cta {
        grid-template-columns: 1.1fr 0.9fr;
    }

    .hero__stats,
    .problem-grid,
    .reviews-grid,
    .usecases-grid,
    .bundle-grid,
    .trustbar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer__inner {
        grid-template-columns: 1fr auto;
    }

    .topbar__trust {
        display: block;
    }

    .purchase-sheet {
        left: 50%;
        right: auto;
        bottom: 22px;
        width: min(720px, calc(100% - 24px));
        max-height: min(88vh, 880px);
        border-radius: 32px;
        transform: translate(-50%, 104%);
        border: 1px solid rgba(21, 34, 48, 0.08);
    }

    .purchase-sheet.is-open {
        transform: translate(-50%, 0);
    }
}

@media (min-width: 980px) {
    .section {
        padding: 92px 0;
    }

    .hero__grid {
        grid-template-columns: 1.02fr 0.98fr;
        gap: 42px;
    }

    .hero__stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .problem-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .trustbar {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .usecases-grid,
    .reviews-grid,
    .bundle-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .final-cta {
        grid-template-columns: 1fr auto;
    }
}

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

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}