/* ==========================================================
   Revenue Architect - UNIFIED PREMIUM DARK DESIGN SYSTEM
   All homepage sections share one visual language.
   ========================================================== */

:root {
    --ra-bg: #080c18;
    --ra-surface: #0e1320;
    --ra-surface-alt: #111827;
    --ra-card: #161e2e;
    --ra-card-hover: #1c2638;
    --ra-border: rgba(255, 255, 255, 0.08);
    --ra-border-glow: rgba(0, 120, 255, 0.35);
    --ra-accent: #0078ff;
    --ra-accent-2: #7c3aed;
    --ra-accent-3: #00c9a7;
    --ra-text: #e2e8f0;
    --ra-text-muted: #8a9bb5;
    --ra-text-dim: #4a5568;
    --ra-section-pad: 80px 0;
}

/* ── SHARED BG SYNC ── */
.trust-bar-mini,
.trinity-section,
.clean-data-section,
.benchmarks-section-premium,
.ai-infrastructure-section,
.human-strategic-section,
.verticals-section,
.premium-calculator-section,
.map-section {
    color: var(--ra-text);
}

/* SECTION TAG / PILL */
.section-tag,
.block-tag {
    display: inline-block;
    background: rgba(0, 120, 255, 0.12);
    border: 1px solid rgba(0, 120, 255, 0.28);
    color: var(--ra-accent);
    font-size: 0.73rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 14px;
}

/* SECTION HEADERS */
.section-header-premium {
    margin-bottom: 48px;
}

.section-header-premium h2 {
    color: var(--ra-text);
    font-size: 2.2rem;
    margin-bottom: 12px;
    line-height: 1.2;
}

.section-header-premium p {
    color: var(--ra-text-muted);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.7;
}

/* ═══════ TRUST BAR ═══════ */
.trust-bar-mini {
    background: var(--ra-surface-alt);
    padding: 26px 0;
    border-top: 1px solid var(--ra-border);
    border-bottom: 1px solid var(--ra-border);
}

.trust-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.trust-text,
.trust-stat {
    color: var(--ra-text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.trust-logos-summary {
    display: flex;
    gap: 28px;
    font-size: 1.55rem;
    color: var(--ra-text-dim);
    align-items: center;
}

.trust-logos-summary i {
    transition: color 0.25s;
}

.trust-logos-summary i:hover {
    color: var(--ra-accent);
}

/* ═══════ TRINITY CARDS ═══════ */
.trinity-section {
    padding: var(--ra-section-pad);
    background: var(--ra-surface);
}

.trinity-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.trinity-card {
    padding: 34px 28px;
    background: var(--ra-card);
    border: 1px solid var(--ra-border);
    border-radius: 16px;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.trinity-card:hover {
    border-color: var(--ra-accent);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 120, 255, 0.1);
}

.featured-trinity {
    background: linear-gradient(145deg, rgba(0, 120, 255, 0.07) 0%, var(--ra-card) 100%);
    border-color: rgba(0, 120, 255, 0.38);
}

.trinity-icon {
    width: 52px;
    height: 52px;
    background: rgba(0, 120, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--ra-accent);
    margin-bottom: 18px;
}

.trinity-card h3 {
    color: var(--ra-text);
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.trinity-card>p {
    color: var(--ra-text-muted);
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.trinity-card ul {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
}

.trinity-card li {
    padding: 7px 0;
    border-top: 1px solid var(--ra-border);
    color: var(--ra-text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.86rem;
}

.trinity-card li:first-child {
    border-top: none;
}

.trinity-card li i {
    color: var(--ra-accent);
    font-size: 0.72rem;
    flex-shrink: 0;
}

/* ═══════ CLEAN DATA / ATTRIBUTION ═══════ */
.clean-data-section {
    padding: var(--ra-section-pad);
    background: var(--ra-surface-alt);
}

.mega-block {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}

.mega-block.reverse {
    grid-template-columns: 0.9fr 1.1fr;
}

.mega-block-content h2 {
    font-size: 1.9rem;
    color: var(--ra-text);
    margin-bottom: 16px;
    line-height: 1.25;
}

.mega-block-content>p {
    color: var(--ra-text-muted);
    line-height: 1.8;
    font-size: 0.97rem;
    margin-bottom: 24px;
}

.framework-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 18px;
}

.framework-item {
    background: var(--ra-card);
    border: 1px solid var(--ra-border);
    border-radius: 12px;
    padding: 18px;
    transition: border-color 0.25s, transform 0.25s;
}

.framework-item:hover {
    border-color: var(--ra-accent);
    transform: translateY(-3px);
}

.framework-item h4 {
    color: var(--ra-text);
    font-size: 0.92rem;
    margin-bottom: 6px;
}

.framework-item p {
    color: var(--ra-text-muted);
    font-size: 0.82rem;
    line-height: 1.6;
    margin: 0;
}

/* Plumbing flow graphic */
.plumbing-graphic {
    background: var(--ra-card);
    border: 1px solid var(--ra-border);
    border-radius: 16px;
    padding: 40px 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
}

.flow-container {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

.flow-node {
    background: var(--ra-surface);
    border: 1px solid var(--ra-border);
    border-radius: 10px;
    padding: 12px 18px;
    color: var(--ra-text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
}

.flow-node.highlight {
    background: rgba(0, 120, 255, 0.14);
    border-color: var(--ra-accent);
    color: var(--ra-accent);
}

.flow-arrow {
    width: 28px;
    height: 2px;
    background: var(--ra-accent);
    position: relative;
}

.flow-arrow::after {
    content: '▶';
    position: absolute;
    right: -10px;
    top: -9px;
    color: var(--ra-accent);
    font-size: 0.8rem;
}

/* ═══════ BENCHMARKS ═══════ */
.benchmarks-section-premium {
    padding: var(--ra-section-pad);
    background: var(--ra-surface);
    border-top: 1px solid var(--ra-border);
    border-bottom: 1px solid var(--ra-border);
}

.benchmark-grid-premium {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.bench-item {
    text-align: center;
    padding: 36px 20px;
    background: var(--ra-card);
    border-radius: 16px;
    border: 1px solid var(--ra-border);
    transition: transform 0.3s, border-color 0.3s;
}

.bench-item:hover {
    transform: translateY(-6px);
    border-color: var(--ra-accent);
}

.bench-val {
    font-size: 2.1rem;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    display: block;
}

.bench-lab {
    color: var(--ra-text-muted);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 1.5px;
}

/* ═══════ AI ECOSYSTEMS ═══════ */
.ai-infrastructure-section {
    padding: var(--ra-section-pad);
    background: var(--ra-surface-alt);
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 22px;
}

.ai-feat-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    background: var(--ra-card);
    border: 1px solid var(--ra-border);
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.25s;
}

.ai-feat-item:hover {
    border-color: var(--ra-accent);
}

.ai-feat-item>i {
    font-size: 1.5rem;
    color: var(--ra-accent);
    flex-shrink: 0;
    margin-top: 2px;
    width: 24px;
    text-align: center;
}

.ai-feat-item h4 {
    color: var(--ra-text);
    font-size: 0.93rem;
    margin-bottom: 4px;
}

.ai-feat-item p {
    color: var(--ra-text-muted);
    font-size: 0.83rem;
    line-height: 1.65;
    margin: 0;
}

/* ═══════ CALCULATOR ═══════ */
.premium-calculator-section {
    padding: 30px 0;
    background: linear-gradient(135deg, #06091a 0%, #0d1440 50%, #06091a 100%);
    border-top: 1px solid var(--ra-border);
    border-bottom: 1px solid var(--ra-border);
    position: relative;
    overflow: hidden;
}

.premium-calculator-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(0, 120, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.calculator-row-compact {
    display: flex;
    align-items: center;
    gap: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(0, 120, 255, 0.2);
    border-radius: 14px;
    padding: 18px 26px;
    flex-wrap: wrap;
}

.calc-row-label {
    flex: 1 1 220px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calc-row-title {
    color: var(--ra-text);
    font-size: 0.93rem;
    font-weight: 700;
}

.calc-row-sub {
    color: var(--ra-text-muted);
    font-size: 0.77rem;
}

.calc-row-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.calc-row-input {
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--ra-border);
    border-radius: 10px;
    color: var(--ra-text);
    font-size: 0.9rem;
    width: 190px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.calc-row-input:focus {
    border-color: var(--ra-accent);
    box-shadow: 0 0 0 3px rgba(0, 120, 255, 0.15);
}

.calc-row-input::placeholder {
    color: var(--ra-text-dim);
}

.calc-row-result {
    display: flex;
    align-items: baseline;
    gap: 4px;
    white-space: nowrap;
}

.calc-row-fee {
    font-size: 1.45rem;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calc-row-percent {
    font-size: 0.75rem;
    color: var(--ra-text-muted);
    font-weight: 500;
}

.calc-row-btn {
    padding: 10px 20px;
    background: var(--ra-accent);
    color: #fff;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s, transform 0.2s;
    box-shadow: 0 4px 14px rgba(0, 120, 255, 0.3);
}

.calc-row-btn:hover {
    background: #005fcc;
    transform: translateY(-1px);
}

/* ═══════ HUMAN CMO ═══════ */
.human-strategic-section {
    padding: var(--ra-section-pad);
    background: var(--ra-surface);
}

.human-cmo-card {
    background: var(--ra-card);
    border: 1px solid var(--ra-border);
    border-radius: 20px;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.human-cmo-card::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cmo-badge {
    display: inline-block;
    background: rgba(124, 58, 237, 0.12);
    border: 1px solid rgba(124, 58, 237, 0.28);
    color: #a78bfa;
    font-size: 0.73rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.human-cmo-card h2 {
    color: var(--ra-text);
    font-size: 1.9rem;
    margin-bottom: 14px;
}

.human-cmo-card .quote {
    font-style: italic;
    color: var(--ra-text-muted);
    font-size: 0.97rem;
    border-left: 3px solid var(--ra-accent-2);
    padding-left: 16px;
    margin-bottom: 34px;
    line-height: 1.7;
}

.cmo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.cmo-item {
    background: var(--ra-surface);
    border: 1px solid var(--ra-border);
    border-radius: 12px;
    padding: 22px;
    transition: border-color 0.25s;
}

.cmo-item:hover {
    border-color: rgba(124, 58, 237, 0.38);
}

.cmo-item h4 {
    color: var(--ra-text);
    font-size: 0.93rem;
    margin-bottom: 7px;
}

.cmo-item p {
    color: var(--ra-text-muted);
    font-size: 0.83rem;
    line-height: 1.65;
    margin: 0;
}

/* ═══════ VERTICALS ═══════ */
.verticals-section {
    padding: var(--ra-section-pad);
    background: var(--ra-surface-alt);
}

.verticals-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.vertical-card {
    background: var(--ra-card);
    border: 1px solid var(--ra-border);
    border-radius: 14px;
    padding: 26px 20px;
    text-align: center;
    transition: transform 0.3s, border-color 0.3s;
}

.vertical-card:hover {
    transform: translateY(-6px);
    border-color: var(--ra-accent-3);
}

.v-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 201, 167, 0.1);
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--ra-accent-3);
    margin: 0 auto 14px;
}

.vertical-card h3 {
    color: var(--ra-text);
    font-size: 1rem;
    margin-bottom: 8px;
}

.vertical-card p {
    color: var(--ra-text-muted);
    font-size: 0.82rem;
    line-height: 1.6;
    margin: 0;
}

/* ═══════ MAP SECTION ═══════ */
.map-section {
    padding: var(--ra-section-pad);
    background: var(--ra-surface);
}

.map-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-top: 10px;
}

.map-placeholder {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
    opacity: 0.5;
    filter: saturate(0.2);
}

.map-overlay-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(8, 12, 24, 0.5);
}

/* ═══════ LEGACY HERO (commented out) ═══════ */
.mega-hero {
    position: relative;
    padding: 110px 0;
    background: var(--ra-bg);
    color: #fff;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 60% 40%, #004a99 0%, transparent 60%);
    opacity: 0.22;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-top-badge {
    color: var(--ra-accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.82rem;
    margin-bottom: 18px;
    display: block;
}

.hero-text h1 {
    font-size: 3.4rem;
    line-height: 1.1;
    margin-bottom: 26px;
    background: linear-gradient(135deg, #fff 0%, #99cfff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.05rem;
    color: var(--ra-text-muted);
    margin-bottom: 30px;
}

.hero-why-trust {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--ra-border);
    border-radius: 10px;
    margin-bottom: 30px;
    width: fit-content;
    color: var(--ra-text-muted);
    font-size: 0.88rem;
}

.hero-primary-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* ═══════ BUTTONS ═══════ */
.btn-premium {
    background: var(--ra-accent);
    color: #fff;
    padding: 13px 28px;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.93rem;
    border: none;
}

.btn-premium:hover {
    background: #005fcc;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 120, 255, 0.3);
}

.btn-outline-premium {
    border: 1px solid var(--ra-border);
    color: var(--ra-text);
    padding: 13px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.btn-outline-premium:hover {
    border-color: var(--ra-accent);
    color: var(--ra-accent);
}

/* ═══════ SHARE SECTION ═══════ */
.share-section-premium {
    padding: 34px 0;
    background: var(--ra-surface-alt);
    text-align: center;
    border-top: 1px solid var(--ra-border);
}

.share-section-premium h3 {
    color: var(--ra-text);
    font-weight: 700;
    margin-bottom: 6px;
}

.share-section-premium p {
    color: var(--ra-text-muted);
    font-size: 0.88rem;
}

.share-container-premium {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.share-btn {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    border: none;
    transition: all 0.25s;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.share-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.share-btn[data-platform="facebook"] {
    background: #1877f2;
}

.share-btn[data-platform="twitter"] {
    background: #14171a;
}

.share-btn[data-platform="linkedin"] {
    background: #0a66c2;
}

.share-btn[data-platform="whatsapp"] {
    background: #25d366;
}

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 1024px) {
    .trinity-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cmo-grid {
        grid-template-columns: 1fr 1fr;
    }

    .mega-block,
    .mega-block.reverse {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .verticals-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .trust-bar-content {
        flex-direction: column;
        text-align: center;
    }

    .trinity-grid {
        grid-template-columns: 1fr;
    }

    .benchmark-grid-premium {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .framework-grid {
        grid-template-columns: 1fr;
    }

    .calculator-row-compact {
        flex-direction: column;
        align-items: flex-start;
    }

    .calc-row-controls {
        width: 100%;
        flex-direction: column;
    }

    .calc-row-input,
    .calc-row-btn {
        width: 100%;
        text-align: center;
    }

    .human-cmo-card {
        padding: 28px 20px;
    }

    .cmo-grid {
        grid-template-columns: 1fr;
    }

    .section-header-premium h2 {
        font-size: 1.65rem;
    }

    :root {
        --ra-section-pad: 56px 0;
    }
}

@media (max-width: 480px) {
    .verticals-grid {
        grid-template-columns: 1fr;
    }

    .trinity-grid,
    .benchmark-grid-premium {
        grid-template-columns: 1fr;
    }
}

/* ═══════ PARTNER ICON CARDS (FA Brand Icons) ═══════ */
.partner-icon-card {
    flex: 0 0 auto;
    width: 150px;
    padding: 26px 16px 20px;
    background: #161e2e;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 8px;
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.partner-icon-card::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, color-mix(in srgb, var(--brand, #0078ff) 20%, transparent) 0%, transparent 70%);
    pointer-events: none;
    transition: opacity 0.3s;
    opacity: 0;
}

.partner-icon-card:hover::before {
    opacity: 1;
}

.partner-icon-card:hover {
    transform: translateY(-8px);
    border-color: color-mix(in srgb, var(--brand, #0078ff) 60%, transparent);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35),
        0 0 0 1px color-mix(in srgb, var(--brand, #0078ff) 30%, transparent);
}

.partner-icon-card>i {
    font-size: 2.2rem;
    color: var(--brand, #0078ff);
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: drop-shadow(0 0 8px color-mix(in srgb, var(--brand, #0078ff) 50%, transparent));
}

.partner-icon-card:hover>i {
    transform: scale(1.15);
    filter: drop-shadow(0 0 14px color-mix(in srgb, var(--brand, #0078ff) 80%, transparent));
}

.partner-icon-card>span {
    color: #e2e8f0;
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1.2;
}

.partner-icon-card>small {
    color: #8a9bb5;
    font-size: 0.7rem;
    font-weight: 500;
    line-height: 1.3;
}

/* Logo name/category text */
.logo-name {
    color: #e2e8f0;
    font-size: 0.82rem;
    font-weight: 600;
    margin-top: 4px;
}

.logo-category {
    color: #8a9bb5;
    font-size: 0.7rem;
}