*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --green: #3fe08a;
    --green-light: #5aeba0;
    --blue: #7fa8ff;
    --bg: #0a0f1a;
    --bg-2: #0f1626;
    --bg-card: rgba(255,255,255,0.03);
    --border: rgba(255,255,255,0.08);
    --border-green: rgba(63,224,138,0.3);
    --text: #e8edf5;
    --text-muted: rgba(232,237,245,0.55);
    --text-faint: rgba(232,237,245,0.3);
    --red: #f07070;
    --red-bg: rgba(226,75,74,0.12);
    --amber: #f0b96a;
    --amber-bg: rgba(239,159,39,0.12);
    --green-fg: #3fe08a;
    --green-bg: rgba(63,224,138,0.12);
    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

/* ── NAV ── */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2.5rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(10,15,26,0.93);
    backdrop-filter: blur(14px);
    z-index: 200;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: #fff;
    text-decoration: none;
}

    .nav-logo span {
        color: var(--green);
    }

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    list-style: none;
}

    .nav-links a {
        color: var(--text-muted);
        text-decoration: none;
        font-size: 0.88rem;
        transition: color 0.2s;
    }

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

.nav-cta {
    background: var(--green);
    color: var(--bg);
    padding: 0.5rem 1.2rem;
    border-radius: var(--r-sm);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}

    .nav-cta:hover {
        background: var(--green-light);
    }

/* ── PAGE HEADER ── */
.page-header {
    max-width: 860px;
    margin: 0 auto;
    padding: 5rem 2.5rem 3.5rem;
    text-align: center;
}

.page-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(63,224,138,0.08);
    border: 1px solid rgba(63,224,138,0.2);
    color: var(--green);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    letter-spacing: 0.01em;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 1rem;
    outline: none;
}

    .page-header h1:focus,
    .page-header h1:focus-visible {
        outline: none;
    }

    .page-header h1 em {
        font-style: italic;
        color: var(--green);
    }

.page-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.8;
    max-width: 580px;
    margin: 0 auto;
}

/* ── SCREEN TABS ── */
.screen-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 2.5rem 3rem;
    flex-wrap: wrap;
}

.screen-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 400;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

    .screen-tab:hover {
        border-color: rgba(255,255,255,0.2);
        color: var(--text);
    }

    .screen-tab.active {
        background: rgba(63,224,138,0.1);
        border-color: rgba(63,224,138,0.35);
        color: var(--green);
        font-weight: 500;
    }

.screen-tab-num {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.68rem;
    font-weight: 600;
    flex-shrink: 0;
}

.screen-tab.active .screen-tab-num {
    background: rgba(63,224,138,0.2);
    color: var(--green);
}

/* ── SCREEN PANELS ── */
.screens {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2.5rem 6rem;
}

.screen-panel {
    display: none;
}

    .screen-panel.active {
        display: block;
        animation: fadeIn 0.3s ease;
    }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.screen-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 3rem;
    align-items: start;
}

    .screen-layout.reverse {
        grid-template-columns: 340px 1fr;
    }

        .screen-layout.reverse .screen-info {
            order: -1;
        }

/* ── BROWSER CHROME ── */
.browser {
    border-radius: var(--r-lg);
    border: 1px solid rgba(255,255,255,0.1);
    background: #141c2e;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}

.browser-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #1a2338;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.browser-dots {
    display: flex;
    gap: 5px;
}

.browser-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

    .browser-dot:nth-child(1) {
        background: #ff5f57;
    }

    .browser-dot:nth-child(2) {
        background: #febc2e;
    }

    .browser-dot:nth-child(3) {
        background: #28c840;
    }

.browser-url {
    flex: 1;
    background: rgba(255,255,255,0.06);
    border-radius: 5px;
    padding: 0.3rem 0.75rem;
    font-size: 0.72rem;
    color: var(--text-faint);
    font-family: var(--font-body);
}

.browser-body {
    padding: 1.25rem;
}

/* ── SCREEN INFO ── */
.screen-info {
    padding-top: 1rem;
}

.screen-info-num {
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: rgba(63,224,138,0.12);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.screen-info h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    letter-spacing: 0.01em;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 0.85rem;
}

.screen-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.screen-callouts {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.callout {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.84rem;
    color: rgba(232,237,245,0.6);
    font-weight: 300;
    line-height: 1.5;
}

.callout-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(63,224,138,0.1);
    border: 1px solid rgba(63,224,138,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--green);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ════════════════════════════
       SCREEN 1 — Portfolio overview
    ════════════════════════════ */
.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.portfolio-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
}

.portfolio-sub {
    font-size: 0.72rem;
    color: var(--text-faint);
    margin-top: 2px;
}

.btn-sm {
    background: var(--green);
    color: var(--bg);
    padding: 0.4rem 0.85rem;
    border-radius: var(--r-sm);
    font-size: 0.72rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.metric {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 0.75rem;
}

.metric-label {
    font-size: 0.68rem;
    color: var(--text-faint);
    margin-bottom: 0.25rem;
}

.metric-val {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
}

    .metric-val.red {
        color: var(--red);
    }

    .metric-val.amber {
        color: var(--amber);
    }

    .metric-val.green {
        color: var(--green);
    }

.pkg-table {
    width: 100%;
    border-collapse: collapse;
}

    .pkg-table th {
        font-size: 0.65rem;
        font-weight: 600;
        letter-spacing: 0.07em;
        text-transform: uppercase;
        color: var(--text-faint);
        padding: 0.4rem 0.5rem;
        text-align: left;
        border-bottom: 1px solid var(--border);
    }

    .pkg-table td {
        font-size: 0.75rem;
        color: var(--text-muted);
        padding: 0.55rem 0.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.04);
    }

    .pkg-table tr:last-child td {
        border-bottom: none;
    }

    .pkg-table td:first-child {
        color: var(--text);
        font-weight: 500;
    }

.rag-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.2rem 0.55rem;
    border-radius: 100px;
    font-size: 0.68rem;
    font-weight: 600;
}

    .rag-badge.r {
        background: var(--red-bg);
        color: var(--red);
        border: 1px solid rgba(226,75,74,0.25);
    }

    .rag-badge.a {
        background: var(--amber-bg);
        color: var(--amber);
        border: 1px solid rgba(239,159,39,0.25);
    }

    .rag-badge.g {
        background: var(--green-bg);
        color: var(--green);
        border: 1px solid rgba(63,224,138,0.25);
    }

    .rag-badge.p {
        background: rgba(255,255,255,0.05);
        color: var(--text-faint);
        border: 1px solid var(--border);
    }

.rag-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

    .rag-dot.r {
        background: var(--red);
    }

    .rag-dot.a {
        background: var(--amber);
    }

    .rag-dot.g {
        background: var(--green);
    }

.fee-bar {
    margin-top: 1rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fee-label {
    font-size: 0.72rem;
    color: var(--text-faint);
}

.fee-val {
    font-size: 1rem;
    font-weight: 600;
    color: var(--amber);
}

.fee-note {
    font-size: 0.65rem;
    color: var(--text-faint);
    margin-top: 2px;
}

/* ════════════════════════════
       SCREEN 2 — RAM questionnaire
    ════════════════════════════ */
.q-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.q-back {
    font-size: 0.7rem;
    color: var(--text-faint);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
}

.q-breadcrumb {
    font-size: 0.72rem;
    color: var(--text-faint);
}

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

.q-progress-wrap {
    margin-bottom: 1.1rem;
}

.q-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--text-faint);
    margin-bottom: 0.4rem;
}

.q-progress-track {
    height: 4px;
    background: rgba(255,255,255,0.07);
    border-radius: 2px;
}

.q-progress-fill {
    height: 4px;
    background: var(--green);
    border-radius: 2px;
    width: 45%;
    transition: width 0.4s;
}

.q-stage-pills {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.q-stage {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 500;
}

    .q-stage.done {
        background: var(--green-bg);
        color: var(--green);
        border: 1px solid rgba(63,224,138,0.2);
    }

    .q-stage.active {
        background: rgba(127,168,255,0.12);
        color: var(--blue);
        border: 1px solid rgba(127,168,255,0.25);
    }

    .q-stage.pending {
        background: rgba(255,255,255,0.04);
        color: var(--text-faint);
        border: 1px solid var(--border);
    }

.q-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.q-material-tag {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 0.5rem;
    display: block;
}

.q-item-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
}

.q-question {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.q-hint {
    font-size: 0.72rem;
    color: var(--text-faint);
    background: rgba(255,255,255,0.03);
    border-left: 2px solid rgba(127,168,255,0.3);
    padding: 0.4rem 0.65rem;
    border-radius: 0 4px 4px 0;
    margin-bottom: 0.75rem;
    line-height: 1.55;
}

.q-options {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.q-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--r-sm);
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    font-size: 0.78rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

    .q-option:hover {
        border-color: rgba(255,255,255,0.18);
    }

    .q-option.selected {
        border-color: rgba(63,224,138,0.4);
        background: rgba(63,224,138,0.06);
        color: var(--text);
    }

.q-radio {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.2);
    flex-shrink: 0;
}

.q-option.selected .q-radio {
    border-color: var(--green);
    background: var(--green);
    box-shadow: inset 0 0 0 3px #141c2e;
}

.q-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
}

.q-counter {
    font-size: 0.68rem;
    color: var(--text-faint);
}

.btn-next {
    background: var(--green);
    color: var(--bg);
    padding: 0.45rem 1rem;
    border-radius: var(--r-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}

/* ════════════════════════════
       SCREEN 3 — RAG result
    ════════════════════════════ */
.result-header {
    text-align: center;
    margin-bottom: 1.1rem;
}

.result-badge-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.result-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 1rem 2rem;
    border-radius: var(--r-lg);
}

    .result-badge.green {
        background: rgba(63,224,138,0.1);
        border: 1px solid rgba(63,224,138,0.3);
    }

    .result-badge.amber {
        background: rgba(239,159,39,0.1);
        border: 1px solid rgba(239,159,39,0.3);
    }

.result-badge-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.result-badge.green .result-badge-label {
    color: var(--green);
}

.result-badge.amber .result-badge-label {
    color: var(--amber);
}

.result-rating {
    font-family: var(--font-display);
    font-size: 2rem;
    line-height: 1;
}

.result-badge.green .result-rating {
    color: var(--green);
}

.result-badge.amber .result-rating {
    color: var(--amber);
}

.result-item-name {
    font-size: 0.78rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.2rem;
}

.result-material {
    font-size: 0.68rem;
    color: var(--text-faint);
    margin-bottom: 1rem;
}

.result-criteria {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 0.9rem;
}

.criteria-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.45rem 0.65rem;
    border-radius: var(--r-sm);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
}

.criteria-name {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.criteria-result {
    font-size: 0.68rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

    .criteria-result.pass {
        color: var(--green);
    }

    .criteria-result.warn {
        color: var(--amber);
    }

    .criteria-result.fail {
        color: var(--red);
    }

.result-fee-impact {
    background: rgba(63,224,138,0.06);
    border: 1px solid rgba(63,224,138,0.2);
    border-radius: var(--r-md);
    padding: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rfi-label {
    font-size: 0.7rem;
    color: var(--text-faint);
}

.rfi-val {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--green);
}

.rfi-note {
    font-size: 0.65rem;
    color: rgba(63,224,138,0.5);
    margin-top: 1px;
}

/* ════════════════════════════
       SCREEN 4 — Supply chain invite
    ════════════════════════════ */
.inv-header {
    margin-bottom: 1rem;
}

.inv-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.2rem;
}

.inv-sub {
    font-size: 0.72rem;
    color: var(--text-faint);
}

.inv-product {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 0.65rem 0.85rem;
    margin-bottom: 1rem;
}

.inv-product-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(127,168,255,0.1);
    border: 1px solid rgba(127,168,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.inv-product-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
}

.inv-product-meta {
    font-size: 0.68rem;
    color: var(--text-faint);
    margin-top: 1px;
}

.inv-missing-tag {
    margin-left: auto;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    background: var(--red-bg);
    color: var(--red);
    border: 1px solid rgba(226,75,74,0.2);
}

.inv-chain {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 1rem;
}

.inv-node {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.6rem 0.75rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
}

    .inv-node + .inv-node {
        margin-top: -1px;
        border-radius: 0;
    }

    .inv-node:first-child {
        border-radius: var(--r-md) var(--r-md) 0 0;
    }

    .inv-node:last-child {
        border-radius: 0 0 var(--r-md) var(--r-md);
    }

.inv-node-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
}

    .inv-node-dot.you {
        background: var(--green-bg);
        color: var(--green);
        border: 1px solid rgba(63,224,138,0.3);
    }

    .inv-node-dot.mfr {
        background: rgba(127,168,255,0.1);
        color: var(--blue);
        border: 1px solid rgba(127,168,255,0.25);
    }

.inv-node-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text);
}

.inv-node-meta {
    font-size: 0.65rem;
    color: var(--text-faint);
}

.inv-node-status {
    margin-left: auto;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.18rem 0.5rem;
    border-radius: 4px;
}

    .inv-node-status.sent {
        background: rgba(127,168,255,0.1);
        color: var(--blue);
        border: 1px solid rgba(127,168,255,0.2);
    }

    .inv-node-status.owner {
        background: var(--green-bg);
        color: var(--green);
        border: 1px solid rgba(63,224,138,0.2);
    }

.inv-arrow {
    display: flex;
    align-items: center;
    padding-left: 1.5rem;
    height: 20px;
    position: relative;
}

    .inv-arrow::before {
        content: '';
        position: absolute;
        left: 27px;
        top: 0;
        width: 1px;
        height: 100%;
        background: rgba(127,168,255,0.2);
    }

.inv-arrow-label {
    font-size: 0.62rem;
    color: rgba(127,168,255,0.4);
    margin-left: 2.25rem;
}

.inv-message-wrap {
    margin-bottom: 0.85rem;
}

.inv-message-label {
    font-size: 0.68rem;
    color: var(--text-faint);
    margin-bottom: 0.35rem;
}

.inv-message {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 0.65rem 0.85rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
    font-weight: 300;
}

.inv-items-label {
    font-size: 0.68rem;
    color: var(--text-faint);
    margin-bottom: 0.35rem;
}

.inv-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.85rem;
}

.inv-item-tag {
    font-size: 0.68rem;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.inv-send-btn {
    width: 100%;
    padding: 0.6rem;
    border-radius: var(--r-md);
    background: var(--green);
    color: var(--bg);
    font-size: 0.82rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}

/* ── CTA STRIP ── */
.cta-strip {
    text-align: center;
    padding: 5rem 2.5rem;
    border-top: 1px solid var(--border);
}

    .cta-strip h2 {
        font-family: var(--font-display);
        font-size: clamp(1.8rem, 3vw, 2.5rem);
        letter-spacing: 0.01em;
        color: #fff;
        margin-bottom: 0.75rem;
    }

        .cta-strip h2 em {
            font-style: italic;
            color: var(--green);
        }

    .cta-strip p {
        font-size: 0.95rem;
        color: var(--text-muted);
        font-weight: 300;
        margin-bottom: 2rem;
    }

.cta-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    background: var(--green);
    color: var(--bg);
    padding: 0.875rem 2rem;
    border-radius: var(--r-md);
    font-size: 0.975rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

    .btn-primary:hover {
        background: var(--green-light);
        transform: translateY(-2px);
    }

.btn-ghost {
    display: inline-block;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 0.875rem 2rem;
    border-radius: var(--r-md);
    font-size: 0.975rem;
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
}

    .btn-ghost:hover {
        border-color: rgba(255,255,255,0.3);
        color: var(--text);
    }

/* ── FOOTER ── */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem 2.5rem;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: rgba(255,255,255,0.35);
    text-decoration: none;
}

    .footer-logo span {
        color: var(--green);
    }

.footer-copy {
    font-size: 0.75rem;
    color: var(--text-faint);
}

@media (max-width: 860px) {
    .screen-layout, .screen-layout.reverse {
        grid-template-columns: 1fr;
    }

        .screen-layout.reverse .screen-info {
            order: 0;
        }

    .screen-info {
        padding-top: 0;
        padding-bottom: 1.5rem;
    }

    .screens {
        padding: 0 1.25rem 4rem;
    }

    .page-header {
        padding: 3.5rem 1.25rem 2.5rem;
    }

    .screen-tabs {
        padding: 0 1.25rem 2rem;
    }
}