/* ============================================================
   MODS GROUP — main.css
   Crimson Authority Design System v1.0
   ============================================================ */

/* ---- CSS Custom Properties ---- */
:root {
    --crimson:     #8B0000;
    --crimson-dark:#6B0000;
    --anthracite:  #2D2D2D;
    --anthracite-light: #3D3D3D;
    --white:       #FFFFFF;
    --light:       #F5F5F5;
    --light-border:#E8E8E8;
    --grey-text:   #666666;
    --white-70:    rgba(255,255,255,0.70);
    --white-40:    rgba(255,255,255,0.40);

    --font-heading: 'Montserrat', Arial, sans-serif;
    --font-body:    'Inter', Arial, sans-serif;

    --container:   1160px;
    --gap:         2rem;
    --section-pad: 80px;
    --radius:      6px;

    --transition: 0.25s ease;
    --shadow-card: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 32px rgba(0,0,0,0.14);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--anthracite);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Layout ---- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padded { padding: var(--section-pad) 0; }

/* ---- Background Utilities ---- */
.bg-white    { background: var(--white); }
.bg-light    { background: var(--light); }
.bg-dark     { background: var(--anthracite); }
.bg-crimson  { background: var(--crimson); }

/* ---- Text Utilities ---- */
.text-center  { text-align: center; }
.text-white   { color: var(--white); }
.text-white-70{ color: var(--white-70); }

.hide-mobile  { display: none; }
@media (min-width: 768px) { .hide-mobile { display: inline; } }

/* ---- Section Headings ---- */
.section-heading {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--anthracite);
}

.section-subheading {
    font-size: 1.1rem;
    color: var(--grey-text);
    margin-bottom: 3rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 0.925rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    border-radius: var(--radius);
    transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: var(--crimson);
    color: var(--white);
    border: 2px solid var(--crimson);
}
.btn-primary:hover { background: var(--crimson-dark); border-color: var(--crimson-dark); }

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white-70);
}
.btn-outline:hover { border-color: var(--white); color: var(--white); }

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline-white:hover { border-color: var(--white); }

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
    border: 2px solid #25D366;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}
.btn-whatsapp:hover { background: #1DA851; border-color: #1DA851; }

.btn-whatsapp-lg {
    background: #25D366;
    color: var(--white);
    border: 2px solid #25D366;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    padding: 1rem 2rem;
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    transition: background var(--transition);
}
.btn-whatsapp-lg:hover { background: #1DA851; border-color: #1DA851; }

.btn-primary-sm {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--crimson);
    color: var(--white);
    border: 2px solid var(--crimson);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius);
    transition: background var(--transition);
}
.btn-primary-sm:hover { background: var(--crimson-dark); border-color: var(--crimson-dark); }

.btn-icon { flex-shrink: 0; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(45,45,45,0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    height: 68px;
    display: flex;
    align-items: center;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--crimson);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 4px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.05em;
}
.logo-text strong { font-weight: 800; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.875rem;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white-70);
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.07); }

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: var(--radius);
    z-index: 1100;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
    .nav-toggle { display: flex; }

    .nav-menu {
        display: none;
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--anthracite);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1rem;
        padding: 2rem;
    }

    .nav-menu.open { display: flex; }

    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        width: 100%;
    }

    .nav-link {
        font-size: 1.125rem;
        text-align: center;
        padding: 0.75rem 1.5rem;
        width: 100%;
    }

    .btn-whatsapp { width: 100%; justify-content: center; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    background: var(--anthracite);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 68px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 480px;
    height: 480px;
    background: var(--crimson);
    opacity: 0.08;
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--crimson);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 4rem;
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.hero-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--crimson);
    margin-bottom: 1.25rem;
}

.hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(2.75rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    color: var(--white);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.headline-accent {
    color: var(--crimson);
    display: block;
}

.hero-body {
    font-size: 1.125rem;
    color: var(--white-70);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 540px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero badge */
.hero-badge {
    flex-shrink: 0;
}

.badge-ring {
    width: 160px;
    height: 160px;
    border: 2px solid rgba(139,0,0,0.35);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    position: relative;
}

.badge-ring::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(139,0,0,0.2);
    border-radius: 50%;
}

.badge-line {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--white-70);
    line-height: 1.4;
}

.badge-line-bold {
    color: var(--crimson);
    font-weight: 800;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll-indicator span {
    display: block;
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--crimson), transparent);
    margin: 0 auto;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.15); }
}

@media (max-width: 768px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-badge { display: none; }
    .hero-ctas { justify-content: center; }
    .hero-body { margin-left: auto; margin-right: auto; }
}

/* ============================================================
   TWO PILLARS
   ============================================================ */
.pillars-grid {
    display: grid;
    grid-template-columns: 1fr 1px 1fr;
    gap: 3rem;
    align-items: start;
    margin-top: 3rem;
}

.pillar-divider {
    background: var(--light-border);
    align-self: stretch;
}

.pillar-card {
    padding: 1rem;
}

.pillar-icon {
    margin-bottom: 1.25rem;
}

.pillar-title {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--anthracite);
    margin-bottom: 0.875rem;
}

.pillar-body {
    color: var(--grey-text);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.pillar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    background: var(--light);
    border: 1px solid var(--light-border);
    border-radius: 999px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--anthracite);
    letter-spacing: 0.03em;
}

.pillar-link {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--crimson);
    letter-spacing: 0.02em;
    transition: letter-spacing var(--transition);
}
.pillar-link:hover { letter-spacing: 0.05em; }

@media (max-width: 768px) {
    .pillars-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .pillar-divider {
        height: 1px;
        width: 100%;
    }
}

/* ============================================================
   SIX BRANDS GRID
   ============================================================ */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.brand-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
}

.brand-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.brand-card-bar {
    height: 5px;
    background: var(--brand-color, var(--crimson));
}

.brand-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.brand-card-name {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--anthracite);
    margin-bottom: 0.75rem;
}

.brand-card-copy {
    font-size: 0.9rem;
    color: var(--grey-text);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 1.25rem;
}

.brand-card-link {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--brand-color, var(--crimson));
    letter-spacing: 0.02em;
    transition: letter-spacing var(--transition);
    align-self: flex-start;
}
.brand-card-link:hover { letter-spacing: 0.05em; }

@media (max-width: 900px) {
    .brands-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
    .brands-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   DIGITAL PRODUCTS
   ============================================================ */
.products-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-top: 3.5rem;
}

.product-block {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 3rem;
    align-items: center;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 2.5rem;
}

.product-block--reverse {
    grid-template-columns: 220px 1fr;
}

.product-block--reverse .product-block-accent {
    order: -1;
}

.product-badge {
    display: inline-block;
    padding: 0.35rem 0.875rem;
    background: var(--crimson);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.product-badge--church { background: #1565C0; }
.product-badge--intel  { background: var(--anthracite-light); border: 1px solid rgba(255,255,255,0.15); }

.product-title {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.875rem;
    line-height: 1.3;
}

.product-body {
    color: var(--white-70);
    line-height: 1.7;
    margin-bottom: 0.875rem;
}

.product-stat {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--crimson);
    letter-spacing: 0.03em;
    margin-bottom: 0.75rem;
    padding-left: 1rem;
    border-left: 3px solid var(--crimson);
}

.product-pricing,
.product-modules {
    color: var(--white-70);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.product-pricing strong,
.product-modules strong {
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
}

/* Product accent block */
.product-block-accent {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 2rem 1.5rem;
    min-height: 160px;
}

.product-block-accent--loyalty { border-color: rgba(249,168,37,0.3); }
.product-block-accent--church  { border-color: rgba(21,101,192,0.4); }
.product-block-accent--intel   { border-color: rgba(139,0,0,0.4); }

.accent-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white-40);
    margin-bottom: 0.75rem;
}

.accent-stat {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.accent-stat small {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white-70);
    display: block;
    margin-top: 0.25rem;
}

@media (max-width: 768px) {
    .product-block,
    .product-block--reverse {
        grid-template-columns: 1fr;
    }
    .product-block--reverse .product-block-accent {
        order: 0;
    }
    .product-block-accent {
        flex-direction: row;
        gap: 1.5rem;
        min-height: auto;
        padding: 1.25rem 1.5rem;
    }
    .accent-label { margin-bottom: 0; }
}

/* ============================================================
   PROOF STRIP
   ============================================================ */
.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.proof-block {
    text-align: center;
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.06);
}

.proof-number {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.625rem;
}

.proof-number--sm {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    line-height: 1.15;
}

.proof-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--white-70);
    letter-spacing: 0.03em;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.proof-desc {
    font-size: 0.875rem;
    color: var(--white-70);
    line-height: 1.65;
}

@media (max-width: 768px) {
    .proof-grid { grid-template-columns: 1fr; gap: 1rem; }
}

/* ============================================================
   WHY MODS GROUP
   ============================================================ */
.why-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 3rem;
    border-top: 1px solid var(--light-border);
}

.why-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    align-items: start;
    padding: 2rem 0;
    border-bottom: 1px solid var(--light-border);
    transition: background var(--transition);
}

.why-item:hover { background: var(--light); margin: 0 -1.5rem; padding-left: 1.5rem; padding-right: 1.5rem; }

.why-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--light-border);
    line-height: 1;
    padding-top: 0.25rem;
    user-select: none;
}

.why-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--anthracite);
    margin-bottom: 0.5rem;
}

.why-desc {
    color: var(--grey-text);
    line-height: 1.7;
}

@media (max-width: 560px) {
    .why-item { grid-template-columns: 48px 1fr; gap: 1rem; }
    .why-number { font-size: 1.25rem; }
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--crimson);
}

.cta-body {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: #1A1A1A;
    color: var(--white-70);
    padding: 4rem 0 2rem;
    border-top: 4px solid var(--crimson);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white-40);
    font-style: italic;
    margin-bottom: 1.25rem;
}

.footer-contact-link {
    display: block;
    font-size: 0.875rem;
    color: var(--white-70);
    margin-bottom: 0.5rem;
    transition: color var(--transition);
}
.footer-contact-link:hover { color: var(--white); }

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white-40);
    margin-bottom: 1rem;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--white-70);
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copy {
    font-size: 0.8125rem;
    color: var(--white-40);
}

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

@media (max-width: 560px) {
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* ============================================================
   FADE-IN ANIMATIONS (driven by IntersectionObserver)
   ============================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.brand-card:nth-child(2) { transition-delay: 0.08s; }
.brand-card:nth-child(3) { transition-delay: 0.16s; }
.brand-card:nth-child(4) { transition-delay: 0.08s; }
.brand-card:nth-child(5) { transition-delay: 0.16s; }
.brand-card:nth-child(6) { transition-delay: 0.24s; }

.proof-block:nth-child(2) { transition-delay: 0.1s; }
.proof-block:nth-child(3) { transition-delay: 0.2s; }

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
:focus-visible {
    outline: 3px solid var(--crimson);
    outline-offset: 3px;
    border-radius: 3px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}