:root {
    --bg: #f7f8fb;
    --surface: #ffffff;
    --surface-soft: #f9fafb;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --accent: #635bff;
    --accent-hover: #5146e8;
    --accent-soft: #eef2ff;
    --success: #16a34a;
    --warning: #f59e0b;
    --danger: #dc2626;
    --ink: #0f172a;
    --shadow: 0 18px 60px rgba(17, 24, 39, 0.10);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
}

[hidden] {
    display: none !important;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(99, 91, 255, 0.34);
    outline-offset: 3px;
}

.site-nav,
.site-footer {
    margin: 0 auto;
    max-width: 1180px;
    padding: 20px 24px;
}

.site-nav {
    align-items: center;
    display: flex;
    gap: 24px;
    justify-content: space-between;
}

.site-nav-links {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    justify-content: flex-end;
}

.site-nav-links a {
    color: #374151;
    font-size: 14px;
    font-weight: 700;
}

.site-nav-links a:hover,
.text-link:hover {
    color: var(--accent);
}

.brand {
    align-items: center;
    color: var(--ink);
    display: inline-flex;
    font-size: 20px;
    font-weight: 900;
    gap: 10px;
    min-height: 40px;
}

.brand::before {
    background:
        linear-gradient(90deg, currentColor 40%, transparent 0) 4px 4px / 14px 14px,
        linear-gradient(90deg, currentColor 40%, transparent 0) 18px 4px / 14px 14px,
        linear-gradient(90deg, currentColor 40%, transparent 0) 4px 18px / 14px 14px,
        linear-gradient(90deg, currentColor 40%, transparent 0) 18px 18px / 14px 14px;
    border: 2px solid var(--accent);
    border-radius: 8px;
    color: var(--accent);
    content: "";
    height: 28px;
    width: 28px;
}

.nav-cta {
    background: var(--accent);
    border-radius: 999px;
    color: #ffffff !important;
    padding: 10px 16px;
}

.nav-cta:hover {
    background: var(--accent-hover);
    color: #ffffff !important;
}

main {
    margin: 0 auto;
    max-width: 1180px;
    padding: 28px 24px 56px;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1,
h2,
h3 {
    color: var(--ink);
    letter-spacing: 0;
}

h1 {
    font-size: 72px;
    line-height: 0.96;
    margin: 0;
}

h2 {
    font-size: 34px;
    line-height: 1.08;
    margin: 0;
}

h3 {
    font-size: 18px;
    line-height: 1.2;
    margin: 0;
}

p {
    color: var(--muted);
    line-height: 1.7;
    margin: 0;
}

.hero {
    align-items: center;
    display: grid;
    min-height: 560px;
}

.landing-hero {
    gap: 48px;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    padding: 24px 0 56px;
}

.hero-copy {
    display: grid;
    gap: 22px;
}

.hero-lead {
    color: var(--ink);
    font-size: 24px;
    font-weight: 800;
    line-height: 1.28;
    max-width: 680px;
}

.hero-copy > p:not(.hero-lead) {
    font-size: 17px;
    max-width: 620px;
}

.hero-actions,
.form-actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.primary-link,
.secondary-link,
button {
    align-items: center;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-size: 15px;
    font-weight: 800;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    white-space: nowrap;
}

.primary-link,
button {
    background: var(--accent);
    color: #ffffff;
}

.primary-link:hover,
button:hover {
    background: var(--accent-hover);
}

.secondary-link,
.secondary-button {
    background: var(--accent-soft);
    color: var(--ink);
}

.secondary-link:hover,
.secondary-button:hover {
    background: #dfe5ff;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.hero-proof li {
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: #374151;
    display: inline-flex;
    font-size: 13px;
    font-weight: 800;
    min-height: 34px;
    padding: 7px 12px;
}

.hero-proof li::before,
.check-list li::before {
    background: var(--success);
    border-radius: 50%;
    content: "";
    height: 8px;
    margin-right: 8px;
    width: 8px;
}

.product-preview {
    align-items: center;
    display: grid;
    justify-items: center;
    min-width: 0;
}

.phone-frame {
    background: #111827;
    border-radius: 38px;
    box-shadow: var(--shadow);
    max-width: 380px;
    padding: 12px;
    width: 100%;
}

.phone-bar {
    background: #020617;
    border-radius: 999px;
    height: 28px;
    margin: 0 auto -6px;
    position: relative;
    width: 118px;
    z-index: 2;
}

.phone-screen {
    background: var(--surface);
    border-radius: 30px;
    display: grid;
    gap: 14px;
    min-height: 560px;
    overflow: hidden;
    padding: 42px 20px 22px;
}

.preview-header {
    align-items: center;
    display: flex;
    justify-content: space-between;
}

.preview-header strong {
    font-size: 20px;
}

.preview-header span {
    align-items: center;
    background: var(--accent);
    border-radius: 10px;
    color: #ffffff;
    display: inline-flex;
    font-size: 22px;
    font-weight: 800;
    height: 36px;
    justify-content: center;
    width: 36px;
}

.preview-search {
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--muted);
    font-size: 13px;
    padding: 12px 14px;
}

.qr-preview-row {
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: grid;
    gap: 10px;
    grid-template-columns: 42px minmax(0, 1fr) auto;
    padding: 12px;
}

.qr-preview-row strong,
.qr-preview-row small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.qr-preview-row small {
    color: var(--success);
    font-weight: 700;
    margin-top: 2px;
}

.qr-preview-row b {
    color: var(--muted);
    font-size: 13px;
}

.mini-qr,
.qr-large {
    background:
        linear-gradient(90deg, #111827 50%, transparent 0) 0 0 / 12px 12px,
        linear-gradient(#111827 50%, transparent 0) 0 0 / 12px 12px,
        #ffffff;
    border: 3px solid #111827;
    display: block;
}

.mini-qr {
    border-radius: 4px;
    height: 36px;
    width: 36px;
}

.preview-chart {
    align-items: end;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    gap: 10px;
    height: 120px;
    margin-top: auto;
    padding: 16px;
}

.preview-chart span,
.line-chart i {
    background: var(--accent);
    border-radius: 999px 999px 0 0;
    flex: 1;
}

.feature-band,
.split-section,
.privacy-section,
.cta-band,
.page-hero,
.page-section,
.legal-page {
    margin-top: 28px;
}

.section-heading {
    display: grid;
    gap: 12px;
    margin: 0 auto 24px;
    max-width: 760px;
    text-align: center;
}

.feature-grid,
.resource-grid,
.contact-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid article,
.resource-grid article,
.contact-grid article,
.page-section,
.auth-panel,
.flow-card,
.upload-card,
.analytics-card,
.limit-panel,
.legal-page,
.privacy-section,
.cta-band {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.04);
}

.feature-grid article,
.resource-grid article,
.contact-grid article,
.page-section,
.auth-panel {
    display: grid;
    gap: 12px;
    padding: 24px;
}

.feature-grid p,
.resource-grid p,
.contact-grid p,
.page-section p {
    font-size: 15px;
}

.feature-icon {
    align-items: center;
    background: var(--accent-soft);
    border-radius: 10px;
    color: var(--accent);
    display: inline-flex;
    font-size: 13px;
    font-weight: 900;
    height: 38px;
    justify-content: center;
    width: 42px;
}

.split-section {
    align-items: center;
    display: grid;
    gap: 36px;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
    padding: 42px 0;
}

.split-section-alt {
    grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1fr);
}

.split-section > div:not(.flow-card):not(.upload-card):not(.analytics-card) {
    display: grid;
    gap: 16px;
}

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

.check-list li {
    align-items: flex-start;
    color: #374151;
    display: flex;
    font-weight: 700;
    line-height: 1.5;
}

.check-list li::before {
    flex: 0 0 auto;
    margin-top: 8px;
}

.flow-card {
    align-items: center;
    display: grid;
    gap: 16px;
    grid-template-columns: auto 1fr auto 1fr auto;
    min-height: 220px;
    padding: 24px;
}

.qr-large {
    border-radius: 8px;
    height: 92px;
    width: 92px;
}

.flow-arrow {
    background: repeating-linear-gradient(90deg, #9ca3af 0 8px, transparent 8px 14px);
    height: 2px;
}

.cloud-node,
.success-node {
    align-items: center;
    border-radius: 8px;
    color: var(--ink);
    display: inline-flex;
    font-weight: 800;
    justify-content: center;
    min-height: 72px;
    min-width: 120px;
    padding: 12px;
    text-align: center;
}

.cloud-node {
    background: var(--accent-soft);
    color: var(--accent);
}

.success-node {
    background: #ecfdf5;
    color: var(--success);
}

.upload-card {
    display: grid;
    gap: 12px;
    padding: 24px;
}

.upload-drop {
    align-items: center;
    border: 1px dashed var(--accent);
    border-radius: 8px;
    color: var(--accent);
    display: grid;
    font-weight: 900;
    min-height: 150px;
    padding: 22px;
    text-align: center;
}

.file-pill {
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    font-weight: 800;
    justify-content: space-between;
    padding: 12px 14px;
}

.file-pill span {
    color: var(--muted);
    font-size: 13px;
}

.analytics-card {
    display: grid;
    gap: 12px;
    padding: 24px;
}

.metric-row {
    align-items: center;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    padding-bottom: 10px;
}

.metric-row span {
    color: var(--muted);
    font-weight: 800;
}

.metric-row strong {
    font-size: 28px;
}

.line-chart {
    align-items: end;
    display: flex;
    gap: 12px;
    height: 170px;
    padding-top: 18px;
}

.privacy-section,
.cta-band {
    align-items: center;
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 28px;
}

.privacy-section {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
}

.cta-band {
    background: linear-gradient(90deg, #ffffff, #eef2ff);
    margin-bottom: 24px;
}

.page-hero {
    align-items: end;
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 34px 0 12px;
}

.page-hero h1 {
    font-size: 54px;
    line-height: 1.02;
    margin-bottom: 14px;
}

.page-hero p {
    font-size: 18px;
    max-width: 720px;
}

.resource-grid,
.contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 22px;
}

.text-link {
    color: var(--accent);
    font-weight: 900;
}

.limit-panel {
    display: grid;
    gap: 10px;
    padding: 20px;
}

.limit-panel div {
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    gap: 14px;
    justify-content: space-between;
    padding: 14px;
}

.limit-panel span {
    color: var(--muted);
    font-weight: 800;
}

.legal-page {
    display: grid;
    gap: 24px;
    max-width: 860px;
    padding: 34px;
}

.legal-page h1 {
    font-size: 48px;
}

.legal-page section {
    display: grid;
    gap: 8px;
}

.legal-page h2 {
    font-size: 22px;
}

.legal-updated {
    border-bottom: 1px solid var(--border);
    padding-bottom: 18px;
}

.auth-panel {
    margin: 42px auto;
    max-width: 440px;
}

.auth-panel h1 {
    font-size: 40px;
}

.auth-panel form {
    display: grid;
    gap: 12px;
}

input,
select,
textarea {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font: inherit;
    min-height: 44px;
    padding: 12px 14px;
    width: 100%;
}

textarea {
    resize: vertical;
}

.form-message {
    color: var(--danger);
    margin: 0;
    min-height: 20px;
}

.site-footer {
    align-items: start;
    border-top: 1px solid var(--border);
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 1fr) auto;
}

.site-footer div,
.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
}

.site-footer div {
    flex-direction: column;
    gap: 6px;
}

.site-footer span,
.site-footer a {
    color: var(--muted);
    font-size: 14px;
}

.site-footer strong {
    color: var(--ink);
}

.public-qr {
    align-items: center;
    display: grid;
    min-height: 100vh;
    padding: 24px;
}

.public-qr-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin: 0 auto;
    max-width: 720px;
    padding: 32px;
    width: 100%;
}

.public-qr-panel h1 {
    font-size: 40px;
    line-height: 1.05;
    margin: 0 0 10px;
}

.public-qr-panel p {
    color: var(--muted);
}

.public-form,
.public-password-form {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.public-form-field {
    display: grid;
    gap: 6px;
}

.public-form-field span {
    color: #374151;
    font-weight: 800;
}

.public-form-note,
.public-empty-state {
    margin: 0;
}

.public-file-list {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.public-file-row {
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    padding: 14px;
}

.public-file-row div:first-child {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.public-file-row strong,
.public-file-row span {
    overflow-wrap: anywhere;
}

.public-file-row span {
    color: var(--muted);
    font-size: 14px;
}

.public-file-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.secondary-file-link {
    align-items: center;
    background: var(--accent-soft);
    border-radius: 999px;
    color: var(--ink);
    display: inline-flex;
    font-weight: 800;
    min-height: 42px;
    padding: 10px 16px;
}

@media (max-width: 980px) {
    h1 {
        font-size: 54px;
    }

    h2 {
        font-size: 30px;
    }

    .landing-hero,
    .split-section,
    .split-section-alt,
    .privacy-section,
    .cta-band,
    .page-hero,
    .site-footer {
        grid-template-columns: 1fr;
    }

    .product-preview {
        justify-items: start;
    }

    .phone-frame {
        max-width: 340px;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .flow-card {
        grid-template-columns: 1fr;
        justify-items: center;
    }

    .flow-arrow {
        height: 28px;
        width: 2px;
    }
}

@media (max-width: 680px) {
    .site-nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav-links {
        justify-content: flex-start;
        width: 100%;
    }

    main {
        padding: 18px 18px 42px;
    }

    h1,
    .page-hero h1 {
        font-size: 42px;
        line-height: 1;
    }

    h2 {
        font-size: 26px;
    }

    .hero {
        min-height: auto;
    }

    .landing-hero {
        gap: 28px;
        padding-top: 8px;
    }

    .hero-lead {
        font-size: 20px;
    }

    .hero-actions,
    .hero-actions a,
    .cta-band a,
    .page-hero a {
        width: 100%;
    }

    .phone-frame {
        border-radius: 30px;
        max-width: 100%;
    }

    .phone-screen {
        border-radius: 24px;
        min-height: 480px;
        padding: 36px 14px 18px;
    }

    .feature-grid,
    .resource-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .privacy-section,
    .cta-band,
    .legal-page,
    .page-section,
    .auth-panel {
        padding: 22px;
    }

    .legal-page h1,
    .public-qr-panel h1 {
        font-size: 34px;
    }

    .public-file-row {
        align-items: stretch;
        flex-direction: column;
    }

    .public-file-actions {
        justify-content: flex-start;
    }
}