/* =========================================================
   EXCEL LAB — CLEAN CONSOLIDATED CSS
   ========================================================= */

:root {
    --xl-navy: #0A1628;
    --xl-navy-soft: #13223A;
    --xl-teal: #12B5A6;
    --xl-teal-deep: #0D7A70;
    --xl-gray: #52606D;
    --xl-gray-dark: #323F4B;
    --xl-white: #FFFFFF;
    --xl-paper: #F8FAFC;
    --xl-line: #E3E8EF;
    --xl-line-soft: #EEF1F5;
    --xl-green: #0F9D67;
    --xl-red: #D0331A;
    --xl-amber: #B4650A;
    --xl-radius: 12px;
}

body.excel-lab-page { font-family: 'Inter', sans-serif; background: #FAFCFF; color: var(--xl-navy); margin: 0; padding: 0; }
.xl-container { max-width: 1380px; margin: 0 auto; padding: 0 40px; }
.xl-container--narrow { max-width: 760px; margin: 0 auto; }
.xl-text-center { text-align: center; }
.xl-hidden { display: none !important; }
.xl-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* --- BUTTONS --- */
.xl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}
.xl-btn--primary { background: var(--xl-navy); color: var(--xl-white); box-shadow: 0 4px 12px rgba(10,22,40,0.15); }
.xl-btn--primary:hover:not(:disabled) { background: var(--xl-teal); transform: translateY(-1px); color: var(--xl-white); }
.xl-btn--primary:disabled { opacity: 0.5; cursor: not-allowed; }
.xl-btn--outline { border: 2px solid var(--xl-line); background: transparent; color: var(--xl-navy); }
.xl-btn--outline:hover { border-color: var(--xl-navy); background: var(--xl-paper); }
.xl-btn--light { background: var(--xl-white); color: var(--xl-navy); }
.xl-btn--light:hover { background: var(--xl-paper); transform: translateY(-1px); }
.xl-btn--block { width: 100%; display: block; }

/* --- HERO SECTION --- */
.xl-hero { padding: 56px 0 24px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.xl-hero-inner { max-width: 1000px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }

.xl-eyebrow { 
    font-size: 2.8rem !important; 
    font-weight: 800 !important; 
    color: #12B5A6 !important; 
    letter-spacing: 0.1em !important; 
    text-transform: uppercase !important; 
    display: block !important; 
    margin-bottom: 0px !important; 
}

.xl-hero-title { 
    font-size: 3.4rem !important; 
    font-weight: 2400 !important; 
    color: #0A1628 !important; 
    line-height: 0.90 !important; 
    letter-spacing: -0.03em !important; 
    margin: 0 0 24px 0 !important; 
    text-align: center !important;
}

.xl-hero-sub { 
    font-size: 1.1rem !important; 
    color: #52606D !important; 
    max-width: 750px !important; 
    margin: 0 auto !important; 
    line-height: 1.6 !important; 
    text-align: center !important;
    text-transform: proppercase !important;
}

.xl-hero-actions { 
    margin-top: 24px !important; 
    margin-bottom: 24px !important; 
    display: flex;
    justify-content: center;
    width: 100%;
}

/* Value Strip */
.xl-strip-container { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; max-width: 1000px; margin: 0 auto; }
.xl-strip-box { background: var(--xl-white); border: 1px solid var(--xl-line); box-shadow: 0 4px 12px rgba(10,22,40,0.04); padding: 12px 24px; border-radius: 8px; font-family: 'IBM Plex Mono', monospace; font-size: 0.85rem; font-weight: 600; color: var(--xl-navy); letter-spacing: 0.05em; transition: all 0.2s ease; text-transform: uppercase; text-decoration: none; }
.xl-strip-box:hover { border-color: var(--xl-teal); transform: translateY(-2px); color: var(--xl-teal-deep); }

/* --- FAMILIARITY SELECTOR --- */
.xl-familiarity { margin-top: 36px; margin-bottom: 32px; }
.xl-journey-title { font-size: 2.5rem; font-weight: 900; color: var(--xl-teal-deep); letter-spacing: 0.05em; display: block; margin-bottom: 12px; text-transform: uppercase; }
.xl-section-heading { font-size: 1.25rem; color: var(--xl-gray-dark); margin: 0 0 8px 0; font-weight: 700; }
.xl-section-sub { font-size: 0.95rem; color: var(--xl-gray); margin-bottom: 24px; }
.xl-level-group { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; background: var(--xl-paper); padding: 8px; border-radius: 10px; border: 1px solid var(--xl-line); max-width: 600px; margin: 0 auto; }
.xl-level-btn { background: transparent; border: none; color: var(--xl-gray-dark); font-family: inherit; font-size: 0.9rem; font-weight: 600; padding: 12px 24px; border-radius: 6px; cursor: pointer; transition: all 0.2s ease; }
.xl-level-btn:hover { color: var(--xl-navy); }
.xl-level-btn--active { background: var(--xl-white); color: var(--xl-navy); box-shadow: 0 2px 8px rgba(10,22,40,0.08); font-weight: 700; }
.xl-level-focus { font-size: 0.9rem; color: var(--xl-teal); font-weight: 600; margin-top: 16px; }

/* --- ASSESSMENT PANEL --- */
.xl-assessment { margin-bottom: 80px; }
.xl-panel-shell { position: relative; background: var(--xl-white); border: 1px solid var(--xl-line); border-radius: 12px; box-shadow: 0 1px 2px rgba(10,22,40,0.04), 0 12px 32px rgba(10,22,40,0.06); overflow: hidden; }
.xl-panel-accent { height: 4px; width: 100%; background: linear-gradient(90deg, var(--xl-teal), var(--xl-navy)); }
.xl-panel { padding: 40px; }
.xl-panel[data-state="hidden"] { display: none !important; }
.xl-panel[data-state="active"] { display: block !important; }
.xl-fade-in { animation: xlFadeIn 0.3s ease both; }
@keyframes xlFadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* Form */
.xl-panel-title { font-size: 1.5rem; font-weight: 800; color: var(--xl-navy); margin: 0 0 8px 0; letter-spacing: -0.02em; }
.xl-panel-sub { font-size: 0.95rem; color: var(--xl-gray); margin-bottom: 28px; }
.xl-field { margin-bottom: 20px; }
.xl-field label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--xl-navy); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.03em; }
.xl-field input { width: 100%; padding: 14px 16px; background: var(--xl-paper); border: 1px solid var(--xl-line); border-radius: 8px; font-family: inherit; font-size: 0.95rem; color: var(--xl-navy); box-sizing: border-box; transition: all 0.2s ease; }
.xl-field input:focus { outline: none; border-color: var(--xl-teal); background: var(--xl-white); box-shadow: 0 0 0 3px rgba(18,181,166,0.1); }
.xl-field input.xl-invalid { border-color: var(--xl-red); background: rgba(208,51,26,0.02); }
.xl-error { display: block; font-size: 0.8rem; color: var(--xl-red); margin-top: 6px; font-weight: 600; }
.xl-helper { font-size: 0.85rem; color: var(--xl-gray); margin-bottom: 24px; }

/* Quiz UI */
.xl-quiz-head { margin-bottom: 24px; }
.xl-quiz-progress-label { font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; font-weight: 700; color: var(--xl-teal); margin-bottom: 8px; display: block; }
.xl-progress-track { width: 100%; height: 6px; background: var(--xl-line); border-radius: 999px; overflow: hidden; }
.xl-progress-fill { height: 100%; background: var(--xl-teal); width: 0%; transition: width 0.3s ease; }
.xl-question { font-size: 1.25rem; font-weight: 700; color: var(--xl-navy); line-height: 1.4; margin-bottom: 24px; }
.xl-options { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; counter-reset: xl-opt; }
.xl-option { display: flex; align-items: center; gap: 16px; width: 100%; text-align: left; background: var(--xl-paper); border: 2px solid var(--xl-line); border-radius: 8px; padding: 16px 20px; cursor: pointer; font-family: inherit; font-size: 0.95rem; font-weight: 500; color: var(--xl-navy); transition: all 0.15s ease; counter-increment: xl-opt; }
.xl-option:hover { border-color: var(--xl-teal); background: var(--xl-white); }
.xl-option.selected { border-color: var(--xl-navy); background: var(--xl-white); box-shadow: 0 4px 12px rgba(10,22,40,0.06); font-weight: 600; }
.xl-option-mark { flex-shrink: 0; width: 26px; height: 26px; border-radius: 6px; border: 2px solid var(--xl-line); display: flex; align-items: center; justify-content: center; font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; font-weight: 700; color: var(--xl-gray); }
.xl-option-mark::before { content: counter(xl-opt, upper-alpha); }
.xl-option.selected .xl-option-mark { border-color: var(--xl-navy); background: var(--xl-navy); color: var(--xl-white); }

/* Result UI */
.xl-result-name { font-size: 1.1rem; font-weight: 700; color: var(--xl-gray); margin-bottom: 24px; }
.xl-score-ring { width: 120px; height: 120px; border-radius: 50%; background: conic-gradient(var(--xl-teal) calc(var(--xl-percent, 0) * 1%), var(--xl-line) 0); display: flex; align-items: center; justify-content: center; margin: 0 auto 32px auto; position: relative; }
.xl-score-ring::before { content: ''; position: absolute; inset: 12px; background: var(--xl-white); border-radius: 50%; }
.xl-score-ring-inner { position: relative; z-index: 1; text-align: center; }
.xl-score { display: block; font-size: 1.25rem; font-weight: 800; color: var(--xl-navy); }
.xl-score-percent { font-size: 0.75rem; font-weight: 700; color: var(--xl-teal); text-transform: uppercase; }
.xl-interpretation { background: var(--xl-paper); border: 1px solid var(--xl-line); border-radius: 8px; padding: 20px; margin-bottom: 24px; text-align: left; }
.xl-interp-title { display: block; font-size: 0.95rem; font-weight: 700; color: var(--xl-navy); margin-bottom: 6px; }
.xl-interp-text { font-size: 0.9rem; color: var(--xl-gray-dark); line-height: 1.5; margin: 0; }
.xl-service-recommendation { background: rgba(18,181,166,0.05); border: 1px dashed var(--xl-teal); padding: 16px; border-radius: 8px; margin-bottom: 24px; }
.xl-rec-label { font-size: 0.75rem; font-weight: 700; color: var(--xl-teal); text-transform: uppercase; }
.xl-rec-text { font-size: 0.9rem; font-weight: 600; color: var(--xl-gray-dark); margin: 8px 0 0 0; }
.xl-result-actions { display: flex; gap: 12px; margin-bottom: 16px; }
.xl-result-actions .xl-btn { flex: 1; }
.xl-result-footer { font-size: 0.8rem; color: var(--xl-gray); text-align: center; margin: 0; }

/* --- LOWER SECTIONS --- */
.xl-main-content { padding-top: 60px; padding-bottom: 96px; }

/* Feature Cards */
.feature-duo { display: flex; gap: 24px; margin-bottom: 80px; }
@media (max-width: 768px) { .feature-duo { flex-direction: column; } }
.premium-feature-card { background: var(--xl-white); border: 1px solid var(--xl-line); border-radius: var(--xl-radius); padding: 32px; flex: 1; box-shadow: 0 4px 12px rgba(10,22,40,0.04); display: flex; flex-direction: column; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.premium-feature-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,22,40,0.08); }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.card-eyebrow { font-size: 0.75rem; font-weight: 700; color: var(--xl-gray); letter-spacing: 0.05em; text-transform: uppercase; }
.level-indicator { background: var(--xl-line-soft); color: var(--xl-navy); padding: 4px 10px; border-radius: 999px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; }
.feature-name { font-size: 1.5rem; font-weight: 800; margin: 0; color: var(--xl-navy); }
.syntax-box { background: var(--xl-navy-soft); color: var(--xl-white); font-family: 'IBM Plex Mono', monospace; padding: 16px; border-radius: 6px; font-size: 0.9rem; margin-top: 16px; margin-bottom: 24px; overflow-x: auto; }
.feature-desc { color: var(--xl-gray-dark); font-size: 0.95rem; line-height: 1.6; margin: 0 0 24px 0; }
.xl-mt-auto { margin-top: auto; }

/* Keyboard Visual */
.keyboard-visual { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 16px; margin-bottom: 24px; }
.keycap { background: var(--xl-white); border: 1px solid var(--xl-line); border-bottom: 3px solid #ccc; border-radius: 6px; padding: 8px 16px; font-family: 'Inter', sans-serif; font-size: 0.9rem; font-weight: 700; color: var(--xl-navy); box-shadow: 0 2px 4px rgba(10,22,40,0.04); }
.plus { color: var(--xl-gray); font-weight: 600; font-size: 1.1rem; }

/* Table Spacing */
.ss-grid {
    margin-top: 50px !important;
    margin-bottom: 60px !important;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--xl-line);
    box-shadow: 0 4px 20px rgba(10, 22, 40, 0.04);
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.ss-grid th { background: var(--xl-paper); padding: 12px 16px; border-bottom: 2px solid var(--xl-line); border-right: 1px solid var(--xl-line); font-size: 0.8rem; font-weight: 700; color: var(--xl-gray-dark); text-transform: uppercase; }
.ss-grid td { padding: 14px 16px; border-bottom: 1px solid var(--xl-line); border-right: 1px solid var(--xl-line); font-size: 0.9rem; color: var(--xl-navy); }
.ss-grid td.ss-row-head { background: var(--xl-paper); font-weight: 600; color: var(--xl-gray); text-align: center; width: 40px; }
.ss-badge { padding: 4px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.ss-badge.success { background: rgba(15,157,103,0.1); color: var(--xl-green); }
.ss-badge.warning { background: rgba(180,101,10,0.1); color: var(--xl-amber); }

/* Engagement Trio Cards */
.engagement-trio {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 96px;
}

@media (max-width: 900px) {
    .engagement-trio {
        grid-template-columns: 1fr;
    }
}

.trio-card {
    background: var(--xl-white);
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 36px;
    box-shadow: 0 10px 30px -5px rgba(10, 22, 40, 0.05);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.trio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--xl-teal), var(--xl-navy));
    opacity: 0.9;
}

.trio-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(18, 181, 166, 0.12);
    border-color: rgba(18, 181, 166, 0.3);
}

.trio-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--xl-line-soft);
    padding-bottom: 14px;
}

.trio-eyebrow {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--xl-teal);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.trio-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--xl-navy);
    background: var(--xl-line-soft);
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trio-heading {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 14px 0;
    color: var(--xl-navy);
    line-height: 1.5;
}

.trio-text {
    font-size: 0.95rem;
    color: var(--xl-gray);
    line-height: 1.6;
    margin: 0 0 24px 0;
}

.btn-text-action {
    background: var(--xl-paper);
    border: 1px solid var(--xl-line);
    color: var(--xl-teal-deep);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    padding: 10px 16px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all 0.2s ease;
    margin-top: auto;
    width: 100%;
}

.btn-text-action:hover {
    background: var(--xl-navy);
    color: var(--xl-white);
    border-color: var(--xl-navy);
}

/* Challenge Options */
.challenge-options { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.challenge-option-btn { display: block; width: 100%; text-align: left; padding: 12px 16px; border: 1px solid var(--xl-line); border-radius: 6px; background: var(--xl-paper); font-size: 0.9rem; font-family: inherit; font-weight: 500; color: var(--xl-navy); cursor: pointer; transition: all 0.2s; }
.challenge-option-btn:hover:not(:disabled) { border-color: var(--xl-teal); background: var(--xl-white); }
.challenge-option-btn.correct { border-color: var(--xl-green); background: rgba(15,157,103,0.05); color: var(--xl-navy); font-weight: 600; }
.challenge-option-btn.incorrect { border-color: var(--xl-red); background: rgba(208,51,26,0.05); color: var(--xl-navy); text-decoration: line-through; }
.challenge-feedback { padding: 12px 16px; border-radius: 6px; font-size: 0.85rem; line-height: 1.5; margin-bottom: 24px; }
.challenge-feedback.success { background: rgba(15,157,103,0.1); color: var(--xl-green); border: 1px solid rgba(15,157,103,0.2); }
.challenge-feedback.error { background: rgba(208,51,26,0.1); color: var(--xl-red); border: 1px solid rgba(208,51,26,0.2); }

/* Capabilities */
.xl-mb-48 { margin-bottom: 48px; }
.capabilities-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) { .capabilities-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .capabilities-grid { grid-template-columns: 1fr; } }
.cap-item { padding: 32px 24px; border: 1px solid var(--xl-line); border-radius: 12px; background: var(--xl-paper); text-align: center; transition: all 0.2s ease; }
.cap-item:hover { background: var(--xl-white); border-color: var(--xl-teal); box-shadow: 0 8px 24px rgba(10,22,40,0.06); transform: translateY(-2px); }
.cap-icon { width: 48px; height: 48px; background: rgba(18,181,166,0.1); border-radius: 10px; margin: 0 auto 20px auto; position: relative; }
.cap-icon::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 20px; height: 20px; background: var(--xl-teal); -webkit-mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M5 13l4 4L19 7" stroke="black" stroke-width="3" fill="none" stroke-linecap="round" stroke-linejoin="round"/></svg>') no-repeat center; mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M5 13l4 4L19 7" stroke="black" stroke-width="3" fill="none" stroke-linecap="round" stroke-linejoin="round"/></svg>') no-repeat center; }
.cap-title { font-size: 1.05rem; font-weight: 800; color: var(--xl-navy); margin: 0 0 10px 0; letter-spacing: -0.01em; }
.cap-desc { font-size: 0.9rem; color: var(--xl-gray-dark); line-height: 1.6; margin: 0; }

/* Final CTA */
.xl-final-cta { background: var(--xl-navy); padding: 80px 20px; text-align: center; }
.xl-cta-box { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); padding: 48px 32px; border-radius: 16px; }
.xl-cta-eyebrow { display: block; color: var(--xl-teal); font-size: 2.5rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; }
.xl-cta-text { color: var(--xl-white); font-size: 1.25rem; font-weight: 500; line-height: 1.5; margin: 0 auto 32px auto; max-width: 600px; }
.xl-cta-footer { color: rgba(255,255,255,0.6); font-size: 0.85rem; margin: 16px 0 0 0; }

/* --- PREMIUM B2B FOOTER --- */
.site-footer {
    background-color: #F8FAFC;
    border-top: 1px solid #E3E8EF;
    padding: 80px 20px 32px;
    font-family: 'Inter', sans-serif;
    color: #0A1628;
}

.sf-container { max-width: 1380px; margin: 0 auto; padding: 0 40px; }
.sf-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 64px; }
.sf-logo { height: 40px; width: auto; margin-bottom: 16px; display: block; }
.sf-tagline { display: block; font-size: 0.75rem; font-weight: 800; color: #12B5A6; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
.sf-meta { font-size: 0.85rem; font-weight: 600; color: #0A1628; margin: 0 0 16px 0; }
.sf-desc { font-size: 0.9rem; color: #52606D; line-height: 1.6; margin: 0 0 20px 0; }
.sf-link-cta { display: inline-block; font-size: 0.9rem; font-weight: 700; color: #12B5A6; text-decoration: none; transition: color 0.2s ease; }
.sf-link-cta:hover { color: #0A1628; }
.sf-heading { font-size: 0.85rem; font-weight: 800; color: #0A1628; letter-spacing: 0.05em; text-transform: uppercase; margin: 0 0 24px 0; }
.sf-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.sf-link { font-size: 0.95ln; color: #52606D; text-decoration: none; transition: color 0.2s ease; font-weight: 500; }
.sf-link:hover { color: #12B5A6; }
.sf-contact-info { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.sf-contact-link { font-size: 0.95rem; font-weight: 600; color: #0A1628; text-decoration: none; transition: color 0.2s ease; }
.sf-contact-link:hover { color: #12B5A6; }
.sf-btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; background-color: #0A1628; color: #FFFFFF; border-radius: 6px; font-size: 0.9rem; font-weight: 700; text-decoration: none; transition: all 0.2s ease; border: 1px solid transparent; }
.sf-btn:hover { background-color: #12B5A6; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(18,181,166,0.15); }
.sf-bottom { border-top: 1px solid #E3E8EF; padding-top: 32px; display: flex; justify-content: flex-start; align-items: center; }
.sf-bottom p { margin: 0; font-size: 0.85rem; color: #8793A3; }

@media (max-width: 992px) {
    .sf-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 576px) {
    .sf-grid { grid-template-columns: 1fr; gap: 48px; }
    .sf-btn { width: 100%; }
}

/* Excel Lab mobile layout */
@media (max-width: 767px) {
    .xl-container, .sf-container { padding-inline: 20px; }
    .xl-hero { padding: 48px 0 20px; }
    .xl-eyebrow { font-size: 1.35rem !important; letter-spacing: 0.08em !important; }
    .xl-hero-title { font-size: clamp(2.1rem, 10vw, 2.8rem) !important; line-height: 1.02 !important; }
    .xl-hero-title br { display: none; }
    .xl-hero-sub { font-size: 1rem !important; }
    .xl-hero-actions { margin-top: 20px !important; margin-bottom: 20px !important; }
    .xl-hero-actions .xl-btn { width: 100%; }
    .xl-strip-container { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .xl-strip-box { padding: 10px 8px; font-size: 0.67rem; text-align: center; letter-spacing: 0.02em; }
    .xl-main-content { padding-top: 40px; padding-bottom: 60px; }
    .xl-familiarity { margin-top: 24px; margin-bottom: 24px; }
    .xl-journey-title { font-size: 1.65rem; }
    .xl-level-group { display: grid; grid-template-columns: 1fr; padding: 6px; }
    .xl-level-btn { width: 100%; padding: 12px; }
    .xl-panel { padding: 24px 18px; }
    .xl-panel-title { font-size: 1.3rem; }
    .xl-question { font-size: 1.1rem; }
    .xl-option { gap: 12px; padding: 14px 12px; font-size: 0.9rem; }
    .xl-option-mark { width: 24px; height: 24px; }
    .xl-result-actions { flex-direction: column; }
    .feature-duo { gap: 16px; margin-bottom: 48px; }
    .premium-feature-card, .trio-card { padding: 22px 18px; }
    .card-header, .trio-header { gap: 10px; align-items: flex-start; }
    .feature-name { font-size: 1.25rem; }
    .engagement-trio { gap: 16px; margin-top: 24px; margin-bottom: 56px; }
    .capabilities-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .cap-item { padding: 20px 12px; }
    .cap-icon { margin-bottom: 14px; }
    .cap-title { font-size: 0.95rem; }
    .cap-desc { font-size: 0.82rem; }
    .ss-app-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .ss-grid { min-width: 560px; margin-top: 28px !important; margin-bottom: 36px !important; }
    .xl-final-cta { padding: 56px 20px; }
    .xl-cta-box { padding: 32px 18px; }
    .xl-cta-eyebrow { font-size: 1.55rem; }
    .xl-cta-text { font-size: 1.05rem; }
    .site-footer { padding-top: 56px; }
    .sf-grid { gap: 32px; margin-bottom: 40px; }
}

@media (max-width: 380px) {
    .xl-container, .sf-container { padding-inline: 16px; }
    .xl-strip-container { grid-template-columns: 1fr; }
    .capabilities-grid { grid-template-columns: 1fr; }
}