:root {
    --primary-900: #1a3650;
    --primary-700: #244583;
    --primary-600: #2c4fa3;
    --primary-400: #4fa3d1;
    --accent-500: #ff6b6b;
    --accent-100: #ffe5e5;
    --success-500: #00c896;
    --success-100: #e0fff0;
    --warm-100: #fff6e8;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #5b6678;
    --border-light: #e2e8f0;
    --shadow-soft: 0 18px 60px rgba(26, 54, 80, 0.12);
    --shadow-line: 0 1px 0 rgba(26, 32, 44, 0.08);
    --font-heading: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-light);
    line-height: 1.6;
    letter-spacing: 0;
}

body.no-scroll {
    overflow: hidden;
}

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

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -80px;
    z-index: 100;
    padding: 10px 14px;
    color: #fff;
    background: var(--primary-900);
    border-radius: 6px;
}

.skip-link:focus {
    top: 16px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(248, 250, 252, 0.86);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.84);
}

.nav-shell {
    width: min(1180px, calc(100% - 32px));
    min-height: 72px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-weight: 800;
    text-decoration: none;
    letter-spacing: 0;
}

.brand-link img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 6px;
}

.nav-menu,
.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu a,
.text-link {
    color: var(--text-secondary);
    font-weight: 650;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 8px;
}

.nav-menu a:hover,
.nav-menu a.is-active,
.text-link:hover {
    color: var(--primary-600);
    background: rgba(79, 163, 209, 0.12);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
}

.nav-toggle span:not(.sr-only) {
    width: 18px;
    height: 2px;
    background: var(--primary-900);
    border-radius: 2px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

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

.btn-primary {
    color: #fff;
    background: var(--primary-600);
    box-shadow: 0 14px 30px rgba(44, 79, 163, 0.24);
}

.btn-primary:hover {
    background: var(--primary-700);
}

.btn-secondary {
    color: var(--primary-600);
    background: #fff;
    border-color: rgba(44, 79, 163, 0.24);
}

.btn-secondary:hover {
    border-color: var(--primary-600);
    box-shadow: 0 12px 28px rgba(26, 54, 80, 0.08);
}

.btn-quiet {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.78);
    border-color: rgba(226, 232, 240, 0.9);
}

.section-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 96px 0;
}

.section-shell.compact {
    padding: 68px 0;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-600);
    font-size: 0.8rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--success-500);
}

.section-heading {
    width: min(760px, 100%);
    margin: 12px 0 18px;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 4.25rem);
    line-height: 1.04;
    letter-spacing: 0;
}

.section-copy {
    width: min(660px, 100%);
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.08rem;
}

.hero {
    position: relative;
    min-height: calc(100vh - 130px);
    display: flex;
    align-items: center;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(248, 250, 252, 0.98) 0%, rgba(248, 250, 252, 0.88) 42%, rgba(248, 250, 252, 0.26) 100%),
        url("../images/product-devices.png") center right / cover no-repeat;
}

.hero-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 72px 0;
}

.hero-content {
    width: min(650px, 100%);
}

.hero h1 {
    margin: 16px 0 18px;
    font-size: clamp(3.6rem, 9vw, 8.6rem);
    line-height: 0.92;
    letter-spacing: 0;
}

.hero-lead {
    margin: 0 0 24px;
    color: var(--text-primary);
    font-size: clamp(1.3rem, 2.6vw, 2rem);
    line-height: 1.22;
    font-weight: 750;
}

.hero-support {
    width: min(580px, 100%);
    margin: 0 0 28px;
    color: var(--text-secondary);
    font-size: 1.08rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    width: min(620px, 100%);
    margin-top: 36px;
}

.proof-item {
    padding: 14px 0;
    border-top: 1px solid rgba(26, 54, 80, 0.14);
}

.proof-item strong {
    display: block;
    font-size: 1.5rem;
    line-height: 1;
}

.proof-item span {
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.next-section-hint {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.band-white {
    background: #fff;
}

.band-blue {
    color: #fff;
    background: var(--primary-900);
}

.band-blue .section-kicker,
.band-blue .section-copy,
.band-blue .text-muted {
    color: rgba(255, 255, 255, 0.78);
}

.band-blue .section-kicker::before {
    background: var(--accent-500);
}

.split-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
    align-items: center;
}

.feature-grid,
.pricing-grid,
.article-grid,
.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 36px;
}

.feature-card,
.pricing-card,
.article-card,
.metric-card,
.quote-card,
.tool-card,
.panel-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: var(--shadow-line);
}

.feature-card,
.article-card,
.metric-card,
.quote-card,
.tool-card,
.panel-card {
    padding: 24px;
}

.feature-card h3,
.article-card h3,
.pricing-card h3,
.tool-card h3,
.panel-card h3 {
    margin: 0 0 10px;
    font-size: 1.18rem;
    line-height: 1.22;
}

.feature-card h3 a {
    color: inherit;
    text-decoration: none;
}

.feature-card h3 a:hover {
    color: var(--primary-600);
}

.feature-card p,
.article-card p,
.tool-card p,
.panel-card p,
.quote-card p {
    margin: 0;
    color: var(--text-secondary);
}

.icon-tile {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    margin-bottom: 18px;
    color: var(--primary-600);
    background: rgba(79, 163, 209, 0.14);
    border: 1px solid rgba(79, 163, 209, 0.24);
    border-radius: 8px;
}

.icon-tile svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.product-visual {
    position: relative;
}

.product-visual img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
}

.insight-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 34px;
}

.insight-item {
    padding: 18px;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
}

.insight-item strong {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    line-height: 1.1;
}

.insight-item span {
    display: block;
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.9rem;
}

.comparison-wrap {
    margin-top: 36px;
    overflow-x: auto;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: #fff;
}

.comparison-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
    text-align: left;
}

.comparison-table th {
    color: var(--text-secondary);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.comparison-table tr:last-child td {
    border-bottom: 0;
}

.comparison-table td:not(:first-child) {
    text-align: center;
    font-weight: 850;
}

.yes {
    color: var(--success-500);
}

.no {
    color: #a0aec0;
}

.warn {
    color: var(--accent-500);
}

.story-panel {
    padding: 34px;
    color: var(--text-primary);
    background: var(--warm-100);
    border: 1px solid #ffe2b7;
    border-radius: 8px;
}

.story-panel p {
    margin: 0 0 16px;
}

.story-panel p:last-child {
    margin-bottom: 0;
}

.quote-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
}

.quote-card {
    border-left: 4px solid var(--success-500);
}

.quote-card cite {
    display: block;
    margin-top: 18px;
    color: var(--text-muted);
    font-style: normal;
    font-weight: 750;
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 26px;
}

.pricing-card.is-featured {
    border-color: rgba(44, 79, 163, 0.38);
    box-shadow: var(--shadow-soft);
}

.price-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    padding: 5px 10px;
    color: var(--primary-900);
    background: var(--success-100);
    border: 1px solid rgba(0, 200, 150, 0.28);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 850;
}

.price {
    margin: 16px 0 6px;
    font-family: var(--font-mono);
    font-size: 2.2rem;
    line-height: 1;
}

.price small {
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 600;
}

.pricing-card ul,
.check-list {
    list-style: none;
    padding: 0;
    margin: 22px 0;
}

.pricing-card li,
.check-list li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.pricing-card li::before,
.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 10px;
    height: 10px;
    background: var(--success-500);
    border-radius: 50%;
}

.pricing-card .btn {
    margin-top: auto;
}

.article-card {
    display: flex;
    min-height: 260px;
    flex-direction: column;
    justify-content: space-between;
}

.article-card.has-image {
    min-height: 390px;
    overflow: hidden;
    padding: 0;
}

.article-card.has-image img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.article-card.has-image .article-meta,
.article-card.has-image div,
.article-card.has-image a {
    margin-left: 24px;
    margin-right: 24px;
}

.article-card.has-image .article-meta {
    margin-top: 20px;
}

.article-card.has-image a {
    margin-bottom: 24px;
}

.article-meta {
    color: var(--text-muted);
    font-size: 0.84rem;
    font-weight: 750;
}

.article-card a {
    margin-top: 22px;
    color: var(--primary-600);
    font-weight: 850;
    text-decoration: none;
}

.cta-band {
    margin: 76px 0 0;
    padding: 42px;
    color: #fff;
    background:
        linear-gradient(120deg, rgba(26, 54, 80, 0.98), rgba(44, 79, 163, 0.9)),
        url("../images/hero-features.png") center / cover no-repeat;
    border-radius: 8px;
}

.cta-band h2 {
    max-width: 720px;
    margin: 0 0 14px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.04;
}

.cta-band p {
    max-width: 620px;
    margin: 0 0 24px;
    color: rgba(255, 255, 255, 0.82);
}

.form-note {
    min-height: 22px;
    margin: 8px 0 0;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.alert,
.flash-message {
    width: min(1180px, calc(100% - 32px));
    margin: 16px auto 0;
    padding: 13px 16px;
    border-radius: 8px;
    font-weight: 750;
}

.panel-card .alert {
    width: 100%;
    margin: 0 0 16px;
}

.alert.error,
.flash-message.error {
    color: #842029;
    background: #fff1f1;
    border: 1px solid #f5c2c7;
}

.alert.success,
.flash-message.success {
    color: #064e3b;
    background: var(--success-100);
    border: 1px solid rgba(0, 200, 150, 0.32);
}

.inline-form {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.mini-button {
    min-height: 32px;
    padding: 6px 10px;
    color: var(--primary-600);
    background: #fff;
    border: 1px solid rgba(44, 79, 163, 0.2);
    border-radius: 8px;
    font-weight: 800;
}

.mini-button.danger {
    color: #b42318;
    border-color: rgba(180, 35, 24, 0.22);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 9px;
    color: var(--primary-900);
    background: var(--success-100);
    border: 1px solid rgba(0, 200, 150, 0.24);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 850;
    white-space: nowrap;
}

.admin-card-grid .app-panel {
    color: inherit;
    text-decoration: none;
}

.admin-card-grid .app-panel:hover {
    border-color: rgba(44, 79, 163, 0.28);
    box-shadow: var(--shadow-line);
}

.admin-table-wrap {
    margin-top: 18px;
}

.admin-table td:not(:first-child) {
    text-align: left;
    font-weight: 650;
}

.admin-table td strong,
.admin-table td span,
.admin-table td small {
    display: block;
}

.admin-table td small {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.admin-inline-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    min-width: 260px;
}

.admin-inline-form .select-field {
    width: 132px;
}

.admin-months-field {
    width: 74px;
}

.admin-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 0.84rem;
    font-weight: 750;
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input,
.field,
.select-field,
.textarea-field {
    width: 100%;
    min-height: 44px;
    padding: 11px 12px;
    color: var(--text-primary);
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    outline: none;
}

.newsletter-form input:focus,
.field:focus,
.select-field:focus,
.textarea-field:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(79, 163, 209, 0.16);
}

.site-footer {
    background: #fff;
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 58px 0;
    display: grid;
    grid-template-columns: 1.2fr 0.68fr 0.78fr 0.58fr 1.08fr;
    gap: 36px;
}

.footer-grid h2 {
    margin: 0 0 12px;
    font-size: 0.92rem;
}

.footer-grid p {
    margin: 12px 0 0;
    color: var(--text-secondary);
}

.footer-grid nav a {
    display: block;
    margin: 8px 0;
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-grid nav a:hover {
    color: var(--primary-600);
}

.footer-bottom {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 18px 0 28px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
}

.footer-bottom a {
    color: inherit;
    text-decoration: none;
}

.page-hero {
    padding: 86px 0 52px;
    background:
        linear-gradient(90deg, rgba(248, 250, 252, 0.98) 0%, rgba(248, 250, 252, 0.9) 42%, rgba(248, 250, 252, 0.34) 100%),
        url("../images/hero-account.png") center / cover no-repeat;
}

.page-features .page-hero {
    background:
        linear-gradient(90deg, rgba(248, 250, 252, 0.98) 0%, rgba(248, 250, 252, 0.9) 42%, rgba(248, 250, 252, 0.28) 100%),
        url("../images/hero-features.png") center / cover no-repeat;
}

.page-pricing .page-hero,
.page-checkout .page-hero {
    background:
        linear-gradient(90deg, rgba(248, 250, 252, 0.98) 0%, rgba(248, 250, 252, 0.9) 42%, rgba(248, 250, 252, 0.3) 100%),
        url("../images/hero-pricing.png") center / cover no-repeat;
}

.page-resources .page-hero {
    background:
        linear-gradient(90deg, rgba(248, 250, 252, 0.98) 0%, rgba(248, 250, 252, 0.9) 42%, rgba(248, 250, 252, 0.28) 100%),
        url("../images/hero-resources.png") center / cover no-repeat;
}

.page-account .page-hero,
.page-legal .page-hero {
    background:
        linear-gradient(90deg, rgba(248, 250, 252, 0.98) 0%, rgba(248, 250, 252, 0.91) 42%, rgba(248, 250, 252, 0.34) 100%),
        url("../images/hero-account.png") center / cover no-repeat;
}

.page-hero .section-shell {
    padding: 0;
}

.page-hero h1 {
    width: min(820px, 100%);
    margin: 12px 0 18px;
    font-size: clamp(2.6rem, 6vw, 5.5rem);
    line-height: 0.98;
}

.breadcrumb {
    color: var(--text-muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.breadcrumb a {
    color: var(--primary-600);
    text-decoration: none;
}

.timeline {
    display: grid;
    gap: 16px;
    margin-top: 34px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 22px;
    padding: 22px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
}

.timeline-item strong {
    color: var(--primary-600);
}

.legal-layout {
    display: grid;
    gap: 18px;
}

.legal-block {
    padding: 28px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: var(--shadow-line);
}

.legal-block h2 {
    margin: 0 0 12px;
    font-size: 1.5rem;
}

.legal-block p {
    margin: 0 0 12px;
    color: var(--text-secondary);
}

.legal-block p:last-child {
    margin-bottom: 0;
}

.legal-block .comparison-wrap {
    margin-top: 18px;
}

.band-blue .timeline-item {
    color: var(--text-primary);
}

.band-blue .timeline-item h3 {
    color: var(--text-primary);
}

.band-blue .timeline-item p,
.band-blue .timeline-item .text-muted {
    color: var(--text-secondary);
}

.text-muted {
    color: var(--text-muted);
}

.landing-hero {
    color: #fff;
    background:
        linear-gradient(135deg, rgba(26, 54, 80, 0.98), rgba(36, 69, 131, 0.94)),
        url("../images/hero-features.png") center / cover no-repeat;
}

.landing-hero.hero-pomodoro {
    background:
        linear-gradient(135deg, rgba(26, 54, 80, 0.96), rgba(31, 86, 125, 0.9)),
        url("../images/product-devices.png") center / cover no-repeat;
}

.landing-hero.hero-deepwork,
.landing-hero.hero-timer {
    background:
        linear-gradient(135deg, rgba(12, 28, 50, 0.97), rgba(44, 79, 163, 0.9)),
        url("../images/dashboard-devices.png") center / cover no-repeat;
}

.landing-hero.hero-energy {
    background:
        linear-gradient(135deg, rgba(20, 70, 75, 0.96), rgba(38, 118, 136, 0.88)),
        url("../images/hero-pricing.png") center / cover no-repeat;
}

.landing-hero.hero-distraction {
    background:
        linear-gradient(135deg, rgba(55, 37, 60, 0.96), rgba(124, 63, 92, 0.86)),
        url("../images/hero-resources.png") center / cover no-repeat;
}

.landing-hero.hero-concentration {
    background:
        linear-gradient(135deg, rgba(25, 48, 48, 0.96), rgba(35, 93, 84, 0.88)),
        url("../images/hero-account.png") center / cover no-repeat;
}

.landing-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
    gap: 52px;
    align-items: center;
}

.landing-hero .breadcrumb,
.landing-hero .breadcrumb a,
.landing-hero .section-kicker,
.landing-hero .section-copy {
    color: rgba(255, 255, 255, 0.84);
}

.landing-hero .section-kicker {
    margin-top: 22px;
}

.landing-hero h1 {
    margin: 16px 0 20px;
    font-size: clamp(3rem, 6vw, 6.2rem);
    line-height: 0.94;
}

.landing-hero .btn-secondary {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.24);
}

.product-demo {
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(12px);
}

.demo-topbar {
    display: flex;
    gap: 7px;
    margin-bottom: 18px;
}

.demo-topbar span {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.36);
    border-radius: 50%;
}

.timer-preview-ring {
    width: min(320px, 76vw);
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    margin: 14px auto 24px;
    text-align: center;
    border: 12px solid rgba(79, 163, 209, 0.25);
    border-radius: 50%;
    background:
        radial-gradient(circle at center, rgba(255, 255, 255, 0.96) 0 56%, transparent 57%),
        conic-gradient(var(--success-500) 0 74%, rgba(255, 255, 255, 0.16) 74% 100%);
}

.timer-preview-ring strong {
    display: block;
    color: var(--primary-900);
    font-family: var(--font-mono);
    font-size: clamp(3rem, 8vw, 4.4rem);
    line-height: 1;
}

.timer-preview-ring span {
    display: block;
    margin-top: 8px;
    color: var(--text-muted);
    font-weight: 850;
}

.demo-metrics,
.energy-demo-header {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.demo-metrics div,
.energy-demo-header div,
.deep-session-card {
    padding: 16px;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.94);
    border-radius: 8px;
}

.demo-metrics strong,
.energy-demo-header strong,
.deep-session-card strong {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.6rem;
    line-height: 1.1;
}

.demo-metrics span,
.energy-demo-header span,
.deep-session-card span {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 800;
}

.deep-session-card {
    min-height: 220px;
    display: grid;
    align-content: center;
    margin-bottom: 16px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(224, 255, 240, 0.92));
}

.deep-session-card strong {
    margin: 10px 0;
    color: var(--primary-900);
    font-size: clamp(4rem, 10vw, 7rem);
}

.deep-session-card p {
    margin: 0;
    color: var(--text-secondary);
}

.deep-progress {
    display: grid;
    gap: 10px;
}

.deep-progress span {
    height: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 999px;
}

.deep-progress span::before {
    content: "";
    display: block;
    width: var(--progress);
    height: 100%;
    background: var(--success-500);
    border-radius: inherit;
}

.blocker-demo-list {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}

.blocker-demo-list div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 15px;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.94);
    border-radius: 8px;
}

.blocker-demo-list strong {
    font-family: var(--font-mono);
    font-size: 0.98rem;
}

.blocker-demo-list span {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 800;
}

.focus-score-demo {
    min-height: 250px;
    display: grid;
    align-content: center;
    justify-items: center;
    margin-bottom: 18px;
    padding: 24px;
    text-align: center;
    color: var(--text-primary);
    background:
        radial-gradient(circle at center, rgba(0, 200, 150, 0.16) 0 34%, transparent 35%),
        rgba(255, 255, 255, 0.94);
    border-radius: 8px;
}

.focus-score-demo span {
    color: var(--text-muted);
    font-size: 0.84rem;
    font-weight: 850;
    text-transform: uppercase;
}

.focus-score-demo strong {
    margin: 10px 0;
    color: var(--primary-900);
    font-family: var(--font-mono);
    font-size: clamp(4.6rem, 10vw, 7.4rem);
    line-height: 0.95;
}

.focus-score-demo p {
    max-width: 320px;
    margin: 0;
    color: var(--text-secondary);
}

.energy-demo-header {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 14px;
}

.energy-demo-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 6px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.94);
    border-radius: 8px;
}

.energy-demo-grid span {
    aspect-ratio: 1;
    border-radius: 5px;
    background: rgba(79, 163, 209, calc(0.08 + var(--level) * 0.075));
}

.energy-demo-grid span.high {
    background: rgba(0, 200, 150, 0.78);
}

.energy-demo-grid span.low {
    background: rgba(255, 107, 107, 0.22);
}

.landing-step-list {
    display: grid;
    gap: 14px;
}

.landing-step-list article {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 16px;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: var(--shadow-line);
}

.landing-step-list strong {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--primary-600);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 1.3rem;
}

.landing-step-list h3,
.faq-grid h3 {
    margin: 0 0 8px;
}

.landing-step-list p,
.faq-grid p {
    margin: 0;
    color: var(--text-secondary);
}

.landing-mini-grid {
    grid-template-columns: 1fr;
    margin-top: 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
}

.faq-grid article {
    padding: 24px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: var(--shadow-line);
}

@media (max-width: 980px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav-menu,
    .nav-actions {
        display: none;
    }

    .nav-menu.is-open {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 76px;
        display: grid;
        gap: 6px;
        padding: 12px;
        background: #fff;
        border: 1px solid var(--border-light);
        border-radius: 8px;
        box-shadow: var(--shadow-soft);
    }

    .split-layout,
    .landing-hero-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid,
    .pricing-grid,
    .article-grid,
    .metric-grid,
    .faq-grid,
    .insight-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero {
        min-height: auto;
        background:
            linear-gradient(180deg, rgba(248, 250, 252, 0.99) 0%, rgba(248, 250, 252, 0.91) 52%, rgba(248, 250, 252, 0.28) 100%),
            url("../images/product-devices.png") center bottom / 1200px auto no-repeat;
    }

    .hero-inner {
        padding: 58px 0 220px;
    }
}

@media (max-width: 720px) {
    .nav-shell,
    .section-shell,
    .hero-inner,
    .footer-grid,
    .footer-bottom {
        width: min(100% - 24px, 1180px);
    }

    .section-shell {
        padding: 70px 0;
    }

    .hero h1 {
        font-size: clamp(3.2rem, 16vw, 4.4rem);
    }

    .hero-proof,
    .feature-grid,
    .pricing-grid,
    .article-grid,
    .metric-grid,
    .quote-grid,
    .faq-grid,
    .insight-strip {
        grid-template-columns: 1fr;
    }

    .hero-proof {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
        margin-top: 24px;
    }

    .proof-item {
        padding: 10px 0;
    }

    .proof-item strong {
        font-size: 1.16rem;
    }

    .proof-item span {
        font-size: 0.72rem;
        line-height: 1.25;
    }

    .hero-inner {
        padding: 48px 0 126px;
    }

    .split-layout {
        gap: 32px;
    }

    .cta-band,
    .story-panel {
        padding: 26px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .newsletter-form,
    .footer-bottom {
        flex-direction: column;
    }

    .demo-metrics,
    .energy-demo-header {
        grid-template-columns: 1fr;
    }

    .energy-demo-grid {
        grid-template-columns: repeat(7, minmax(0, 1fr));
    }

    .landing-step-list article {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}