:root {
    --bg: #fcfcfa;
    --bg-soft: #f7fbf8;
    --panel: rgba(255, 255, 255, 0.78);
    --panel-strong: rgba(255, 255, 255, 0.92);
    --panel-border: rgba(16, 56, 42, 0.10);

    --text: #0e1512;
    --muted: #5f6f68;

    --accent: #1e9d6f;
    --accent-strong: #14865d;
    --accent-dark: #0f5a3f;
    --accent-soft: #def5ea;

    --chip: #e6f7ef;
    --error: #a23b2f;

    --shadow: 0 18px 50px rgba(16, 32, 24, 0.08);
    --shadow-soft: 0 10px 30px rgba(16, 32, 24, 0.05);

    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 18px;

    --grid-line: rgba(14, 21, 18, 0.055);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    position: relative;
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 50% 18%, rgba(30, 157, 111, 0.12), transparent 30%),
        radial-gradient(circle at 15% 10%, rgba(30, 157, 111, 0.08), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 46%, var(--bg-soft) 100%);
    overflow-x: hidden;
}

.page-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.95), rgba(0,0,0,0.72));
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.95), rgba(0,0,0,0.72));
    z-index: 0;
}

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

.site-header {
    position: sticky;
    top: 1rem;
    z-index: 10;
    padding: 1rem 1rem 0;
}

.site-header-inner {
    width: min(1320px, calc(100% - 1rem));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.2rem;
    border: 1px solid rgba(16, 56, 42, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.76);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-soft);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.brand-mark {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    background: linear-gradient(135deg, #8ce7bc 0%, var(--accent) 100%);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.65);
}

.brand-name {
    font-size: 1.1rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.site-nav a {
    color: #22312b;
    font-size: 0.96rem;
    font-weight: 600;
}

.site-nav a:hover {
    color: var(--accent-dark);
}

.site-header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-link,
.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.8rem 1.15rem;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

.header-link {
    border: 1px solid rgba(16, 56, 42, 0.12);
    background: rgba(255,255,255,0.75);
    color: #1e2e28;
}

.header-link:hover {
    transform: translateY(-1px);
    background: white;
}

.header-cta {
    background: linear-gradient(180deg, #29b57f 0%, var(--accent) 100%);
    color: white;
    box-shadow: 0 10px 24px rgba(30, 157, 111, 0.22);
}

.header-cta:hover {
    transform: translateY(-1px);
    background: linear-gradient(180deg, #24ab77 0%, var(--accent-strong) 100%);
}

.page-shell {
    position: relative;
    z-index: 1;
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 5rem;
}

.hero {
    max-width: 900px;
    margin: 5.5rem auto 3rem;
    min-height: 58vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--accent-dark);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 980px;
    margin: 0;
    font-size: clamp(3.1rem, 8vw, 5.8rem);
    line-height: 0.94;
    letter-spacing: -0.065em;
    font-weight: 800;
}

.hero-accent {
    color: var(--accent);
}

.intro {
    max-width: 760px;
    margin: 1.35rem auto 0;
    color: var(--muted);
    font-size: clamp(1.05rem, 1.8vw, 1.3rem);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.9rem;
    margin-top: 2rem;
}

.hero-proof {
    margin: 1.25rem 0 0;
    color: var(--muted);
    font-size: 0.98rem;
}

.panel {
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid rgba(23, 38, 32, 0.08);
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(10px);
    box-shadow: 0 16px 40px rgba(27, 40, 35, 0.05);
}

.hero-subpage {
    min-height: auto;
    margin-bottom: 2rem;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin: 2rem 0 0;
    color: var(--muted);
    font-size: 0.94rem;
}

.breadcrumbs a {
    color: #22312b;
    font-weight: 600;
}

.breadcrumbs a:hover {
    color: var(--accent-dark);
}

.breadcrumbs-separator {
    color: rgba(34, 49, 43, 0.45);
}

.panel-header {
    max-width: 760px;
    margin: 0 auto 1.6rem;
    text-align: center;
}

.panel-kicker {
    margin: 0 0 0.9rem;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.panel-header h2 {
    margin: 0;
    font-size: clamp(2.2rem, 4vw, 3.6rem);
    line-height: 0.98;
    letter-spacing: -0.05em;
    color: #101915;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 800;
}

.panel-header p {
    margin: 0.95rem auto 0;
    max-width: 680px;
    color: var(--muted);
    font-size: 1.06rem;
    line-height: 1.7;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.use-case-grid,
.field-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.use-case-card,
.info-card {
    display: block;
    padding: 1.2rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(16, 56, 42, 0.08);
    box-shadow: var(--shadow-soft);
}

.use-case-card {
    transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.use-case-card:hover {
    transform: translateY(-2px);
    border-color: rgba(30, 157, 111, 0.22);
    background: rgba(255, 255, 255, 0.88);
}

.use-case-card h3,
.info-card h3 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.use-case-card p,
.info-card p {
    margin: 0.65rem 0 0;
    color: var(--muted);
    line-height: 1.6;
}

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

.landing-step-card {
    padding: 1.2rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(16, 56, 42, 0.08);
    box-shadow: var(--shadow-soft);
}

.landing-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-weight: 800;
}

.landing-step-card h3 {
    margin: 0.9rem 0 0;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.landing-step-card p {
    margin: 0.65rem 0 0;
    color: var(--muted);
    line-height: 1.6;
}

.landing-example-note {
    margin: 1rem 0 0;
    color: var(--muted);
    line-height: 1.6;
}

.landing-faq-section {
    margin-top: 2rem;
}

.landing-cta-panel {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.84) 0%, rgba(222, 245, 234, 0.62) 100%);
}

.landing-cta-actions {
    justify-content: center;
}

.article-panel {
    padding: 2rem;
}

.guide-article-content {
    max-width: 780px;
    margin: 0 auto;
}

.guide-article-section + .guide-article-section {
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(16, 56, 42, 0.08);
}

.guide-article-section h2 {
    margin: 0;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.guide-article-section p {
    margin: 1rem 0 0;
    color: #415048;
    font-size: 1.04rem;
    line-height: 1.8;
}

.article-list {
    margin: 1rem 0 0;
    padding-left: 1.25rem;
    color: #415048;
    line-height: 1.8;
}

.article-list li + li {
    margin-top: 0.4rem;
}

.upload-form {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.upload-form.is-processing .upload-dropzone,
.upload-form.is-processing .upload-selection {
    opacity: 0.78;
}

.field {
    display: grid;
    gap: 0.45rem;
}

.field label {
    font-weight: 700;
}

.upload-picker {
    position: relative;
    display: grid;
    gap: 0.85rem;
}

.upload-picker input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.upload-dropzone {
    display: grid;
    gap: 0.45rem;
    padding: 1.3rem;
    border: 1px dashed rgba(30, 157, 111, 0.30);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.84);
    cursor: pointer;
    transition: border-color 140ms ease, background 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.upload-dropzone:hover,
.upload-dropzone:focus-visible,
.upload-dropzone.is-dragging {
    border-color: rgba(30, 157, 111, 0.65);
    background: rgba(245, 255, 250, 0.96);
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
    outline: none;
}

.upload-dropzone-title {
    margin: 0;
    font-weight: 750;
    font-size: 1.02rem;
}

.upload-dropzone-copy {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.upload-dropzone-button {
    display: inline-flex;
    width: fit-content;
    margin-top: 0.2rem;
    padding: 0.72rem 1rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-weight: 700;
}

.upload-selection {
    padding: 1rem 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(16, 56, 42, 0.08);
}

.upload-selection-summary {
    margin: 0;
    font-weight: 700;
}

.upload-selection-list {
    display: grid;
    gap: 0.65rem;
    margin: 0.9rem 0 0;
    padding: 0;
    list-style: none;
}

.upload-selection-item {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    padding-top: 0.65rem;
    border-top: 1px solid rgba(16, 56, 42, 0.08);
}

.upload-selection-item:first-child {
    padding-top: 0;
    border-top: 0;
}

.upload-selection-meta {
    display: grid;
    gap: 0.15rem;
}

.upload-selection-name {
    font-weight: 700;
    word-break: break-word;
}

.upload-selection-size {
    color: var(--muted);
    font-size: 0.92rem;
}

button,
.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    min-height: 52px;
    padding: 0.95rem 1.35rem;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, #29b57f 0%, var(--accent) 100%);
    color: white;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    text-decoration: none;
    transition: transform 140ms ease, background 140ms ease, box-shadow 140ms ease;
    box-shadow: 0 10px 24px rgba(30, 157, 111, 0.20);
}

button:hover,
.button-link:hover {
    transform: translateY(-1px);
    background: linear-gradient(180deg, #24ab77 0%, var(--accent-strong) 100%);
}

button:disabled {
    cursor: wait;
    opacity: 0.92;
    transform: none;
}

.button-link-secondary {
    background: rgba(255, 255, 255, 0.88);
    color: var(--accent-dark);
    border: 1px solid rgba(30, 157, 111, 0.18);
    box-shadow: none;
}

.button-link-secondary:hover {
    background: white;
}

.upload-selection-remove {
    width: auto;
    min-height: auto;
    padding: 0.58rem 0.9rem;
    background: rgba(16, 56, 42, 0.08);
    color: var(--accent-dark);
    box-shadow: none;
}

.upload-selection-remove:hover {
    background: rgba(16, 56, 42, 0.14);
}

.upload-processing {
    display: grid;
    gap: 0.8rem;
    padding: 1.1rem 1.15rem 1rem;
    border-radius: 22px;
    border: 1px solid rgba(30, 157, 111, 0.14);
    background:
        linear-gradient(180deg, rgba(244, 255, 249, 0.96) 0%, rgba(232, 249, 240, 0.86) 100%);
    box-shadow: var(--shadow-soft);
}

.upload-processing[hidden] {
    display: none;
}

.upload-processing-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.upload-processing-kicker {
    margin: 0;
    color: var(--accent-dark);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.upload-processing-percent {
    margin: 0;
    color: var(--accent-dark);
    font-size: 1.15rem;
    font-weight: 800;
}

.upload-processing-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #10231c;
}

.upload-processing-bar {
    position: relative;
    overflow: hidden;
    height: 14px;
    border-radius: 999px;
    background: rgba(16, 56, 42, 0.10);
}

.upload-processing-bar-fill {
    position: relative;
    display: block;
    width: 4%;
    height: 100%;
    border-radius: inherit;
    background:
        linear-gradient(90deg, #1e9d6f 0%, #4ed39b 55%, #9af0c8 100%);
    box-shadow: 0 0 18px rgba(30, 157, 111, 0.24);
    transition: width 320ms ease;
}

.upload-processing-bar-fill::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.42) 48%, transparent 100%);
    animation: upload-progress-sheen 1.25s linear infinite;
}

.upload-processing-copy {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.results-panel {
    margin-top: 2rem;
}

.result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-top: 1.25rem;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.38rem 0.78rem;
    border-radius: 999px;
    background: var(--chip);
    color: var(--accent-dark);
    font-size: 0.92rem;
    font-weight: 800;
}

.status-chip-failed {
    background: #f9e0dc;
    color: #8f3328;
}

.file-name {
    color: var(--muted);
}

.batch-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}

.batch-summary-grid div,
.results-grid div {
    padding: 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(16, 56, 42, 0.08);
}

.batch-summary-grid dt,
.results-grid dt {
    margin: 0 0 0.35rem;
    color: var(--muted);
    font-size: 0.84rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.batch-summary-grid dd {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.download-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.helper-text {
    margin: 0.85rem 0 0;
    color: var(--muted);
    line-height: 1.5;
}

.batch-results-table-wrap {
    margin-top: 1.5rem;
    overflow-x: auto;
}

.batch-results-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(16, 56, 42, 0.08);
    border-radius: 20px;
    overflow: hidden;
}

.batch-results-table th,
.batch-results-table td {
    padding: 0.95rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(16, 56, 42, 0.08);
    vertical-align: top;
}

.batch-results-table th {
    color: var(--muted);
    font-size: 0.84rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.batch-results-table tbody tr:last-child td {
    border-bottom: 0;
}

.panel-subsection {
    margin-top: 2rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.5rem 0 0;
}

.results-grid dd {
    margin: 0;
    font-size: 1rem;
    word-break: break-word;
    line-height: 1.55;
}

.notes {
    margin-top: 1.5rem;
}

.notes h3 {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.notes ul {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--muted);
    line-height: 1.6;
}

.raw-text {
    margin: 0;
    padding: 1rem;
    overflow-x: auto;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(16, 56, 42, 0.08);
    color: var(--muted);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    white-space: pre-wrap;
    word-break: break-word;
}

.empty-state {
    margin-top: 1.5rem;
    padding: 1rem 1.1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.68);
    color: var(--muted);
}

.errorlist,
.error-list {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--error);
}

.site-footer {
    position: relative;
    z-index: 1;
    padding: 0 1rem 2rem;
}

.site-footer-inner {
    width: min(1120px, 100%);
    margin: 0 auto;
    padding: 1.35rem 1.4rem;
    border: 1px solid rgba(16, 56, 42, 0.08);
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    align-items: flex-start;
}

.footer-brand-name {
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.footer-brand-copy {
    margin: 0.45rem 0 0;
    color: var(--muted);
    line-height: 1.6;
    max-width: 420px;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.85rem 1.15rem;
}

.footer-nav a {
    color: #22312b;
    font-size: 0.96rem;
    font-weight: 600;
}

.footer-nav a:hover {
    color: var(--accent-dark);
}

@media (max-width: 920px) {
    .site-nav {
        display: none;
    }

    .hero {
        min-height: auto;
        margin-top: 4rem;
    }

    .hero h1 {
        font-size: clamp(2.7rem, 11vw, 4.5rem);
    }

    .use-case-grid,
    .field-card-grid,
    .landing-step-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .site-header {
        top: 0.6rem;
        padding: 0.75rem 0.75rem 0;
    }

    .site-header-inner {
        width: 100%;
        padding: 0.8rem 0.9rem;
        border-radius: 22px;
    }

    .site-header-actions {
        gap: 0.5rem;
    }

    .header-link {
        display: none;
    }

    .page-shell {
        width: min(100% - 1rem, 1120px);
        padding-top: 1.5rem;
    }

    .hero {
        margin: 3rem auto 2rem;
    }

    .breadcrumbs {
        margin-top: 1rem;
        font-size: 0.9rem;
    }

    .intro {
        font-size: 1rem;
    }

    .hero-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .button-link {
        width: 100%;
    }

    .panel {
        padding: 1.25rem;
        border-radius: 22px;
    }

    .article-panel {
        padding: 1.25rem;
    }

    .panel-header {
        margin: 0 auto 1.2rem;
        text-align: center;
    }

    .panel-header h2 {
        font-size: clamp(1.9rem, 9vw, 2.6rem);
    }

    .panel-header p {
        font-size: 1rem;
        line-height: 1.6;
    }

    .results-grid,
    .batch-summary-grid,
    .use-case-grid,
    .field-card-grid,
    .landing-step-grid {
        grid-template-columns: 1fr;
    }

    .upload-selection-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .upload-processing-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.35rem;
    }

    .site-footer {
        padding: 0 0.75rem 1.5rem;
    }

    .site-footer-inner {
        width: 100%;
        padding: 1.2rem;
        border-radius: 22px;
        flex-direction: column;
    }

    .footer-nav {
        justify-content: flex-start;
    }
}

@keyframes upload-progress-sheen {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(100%);
    }
}

.faq-section {
    margin-top: 6rem;
    padding: 2rem 0 0;
}

.faq-section-intro {
    max-width: 760px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.faq-kicker {
    margin: 0 0 1rem;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.faq-section h2 {
    margin: 0;
    font-size: clamp(2.7rem, 6vw, 4.6rem);
    line-height: 0.95;
    letter-spacing: -0.06em;
    color: #101915;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 800;
}

.faq-subtitle {
    margin: 1rem auto 0;
    max-width: 700px;
    color: var(--muted);
    font-size: 1.15rem;
    line-height: 1.6;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.faq-list {
    display: grid;
    gap: 1.35rem;
    margin-top: 2.5rem;
}

.faq-item {
    border: 1px solid rgba(23, 38, 32, 0.10);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 8px 22px rgba(15, 23, 32, 0.03);
    overflow: hidden;
}

.faq-item summary {
    list-style: none;
    position: relative;
    cursor: pointer;
    padding: 1.9rem 4.8rem 1.9rem 2rem;
    font-size: 1.05rem;
    line-height: 1.45;
    color: #171f1b;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 700;
}

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

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 1.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 1.8rem;
    line-height: 1;
    font-weight: 500;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-answer {
    padding: 0 2rem 1.9rem;
}

.faq-answer p {
    margin: 0;
    max-width: 980px;
    color: #415048;
    font-size: 1.05rem;
    line-height: 1.75;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (max-width: 720px) {
    .faq-section {
        margin-top: 4rem;
    }

    .faq-section-intro {
        margin-bottom: 2rem;
    }

    .faq-section h2 {
        font-size: clamp(2.2rem, 11vw, 3.2rem);
    }

    .faq-subtitle {
        font-size: 1rem;
    }

    .faq-item summary {
        padding: 1.35rem 3.8rem 1.35rem 1.2rem;
        font-size: 1rem;
    }

    .faq-item summary::after {
        right: 1.2rem;
        font-size: 1.5rem;
    }

    .faq-answer {
        padding: 0 1.2rem 1.35rem;
    }

    .faq-answer p {
        font-size: 0.98rem;
        line-height: 1.65;
    }
}