/* ===== SetuFlow Landing — Salesforce-inspired B2B (What is CRM style) ===== */
/* Reference: https://www.salesforce.com/crm/what-is-crm/ — clean hierarchy, stats, trust */

:root {
    --landing-bg: #ffffff;
    --landing-bg-alt: #f8fafc;
    --landing-text: #0f172a;
    --landing-text-muted: #64748b;
    --landing-primary: #0176d3;
    --landing-primary-hover: #014486;
    --landing-primary-light: rgba(1, 118, 211, 0.08);
    --landing-accent: #0ea5e9;
    --landing-border: #e2e8f0;
    --landing-section-label: #64748b;
    --landing-stat-value: #0f172a;
    --landing-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    --landing-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.08);
    --landing-radius: 12px;
    --landing-radius-lg: 16px;
}

.landing-page {
    min-height: 100vh;
    background: var(--landing-bg);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ----- Nav (sticky, blur, Salesforce-like) ----- */
.landing-nav {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--landing-border);
    transition: background 0.25s ease, box-shadow 0.25s ease;
}

.landing-nav.scrolled {
    box-shadow: var(--landing-shadow);
}

.landing-logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--landing-primary);
}

.landing-tagline {
    font-size: 0.8125rem;
    color: var(--landing-text-muted);
    font-weight: 500;
}

.landing-nav-link {
    color: var(--landing-text);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.landing-nav-link:hover {
    color: var(--landing-primary);
}

.landing-cta-nav {
    font-weight: 600;
}

/* ----- Section label (eyebrow) — "What we'll cover" style ----- */
.landing-section-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--landing-section-label);
    margin-bottom: 0.5rem;
}

/* ----- Main ----- */
.landing-main {
    flex: 1;
}

/* ----- Section spacing (generous like Salesforce) ----- */
.landing-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

@media (min-width: 768px) {
    .landing-section {
        padding-top: 5rem;
        padding-bottom: 5rem;
    }
}

.landing-section-alt {
    background: var(--landing-bg-alt);
}

/* ----- Hero (headline + sub + CTAs; bg image from images/hero-bridge.png) ----- */
.landing-hero {
    padding-top: 3rem;
    padding-bottom: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(248, 250, 252, 0.88) 50%, rgba(255, 255, 255, 0.94) 100%),
                      url('/images/hero-bridge.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

@media (min-width: 768px) {
    .landing-hero {
        padding-top: 4rem;
        padding-bottom: 5rem;
    }
}

.landing-hero-title {
    font-size: clamp(1.875rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--landing-text);
    max-width: 18ch;
    margin-left: auto;
    margin-right: auto;
}

.landing-hero-sub {
    font-size: 1.125rem;
    color: var(--landing-text-muted);
    max-width: 42ch;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.65;
}

.landing-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1.75rem;
}

.landing-hero-cta .btn-primary {
    background: var(--landing-primary);
    border-color: var(--landing-primary);
}

.landing-hero-cta .btn-primary:hover {
    background: var(--landing-primary-hover);
    border-color: var(--landing-primary-hover);
}

/* Hero image placeholder (add img with .landing-hero-img) */
.landing-hero-media {
    margin-top: 2.5rem;
    border-radius: var(--landing-radius-lg);
    overflow: hidden;
    box-shadow: var(--landing-shadow-lg);
    background: var(--landing-bg-alt);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--landing-text-muted);
    font-size: 0.875rem;
}

.landing-hero-media img {
    width: 100%;
    height: auto;
    display: block;
}

.landing-trust-bar {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--landing-border);
    font-size: 0.875rem;
    color: var(--landing-text-muted);
}

.landing-logo-cloud {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1.5rem 2rem;
    margin-top: 1rem;
    opacity: 0.75;
}

/* ----- Stats bar (Salesforce-style +30% blocks) ----- */
.landing-stats {
    background: var(--landing-bg);
    padding: 2rem 0;
    border-top: 1px solid var(--landing-border);
    border-bottom: 1px solid var(--landing-border);
}

.landing-stat-item {
    text-align: center;
    padding: 0.75rem;
}

.landing-stat-value {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--landing-primary);
    line-height: 1.2;
    display: block;
}

.landing-stat-label {
    font-size: 0.8125rem;
    color: var(--landing-text-muted);
    font-weight: 500;
    margin-top: 0.25rem;
}

/* ----- Flow visual (abstract) ----- */
.landing-flow-visual {
    height: 100px;
    margin: 2rem auto;
    max-width: 360px;
    background: linear-gradient(90deg, var(--landing-primary) 0%, rgba(1, 118, 211, 0.25) 50%, var(--landing-accent) 100%);
    border-radius: 50px;
    opacity: 0.35;
    mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
    animation: landing-flow-pulse 4s ease-in-out infinite;
}

@keyframes landing-flow-pulse {
    0%, 100% { opacity: 0.3; transform: scaleX(1); }
    50% { opacity: 0.5; transform: scaleX(1.02); }
}

/* ----- Section headings (consistent hierarchy) ----- */
.landing-section h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--landing-text);
}

.landing-section .lead,
.landing-section .text-muted.mx-auto {
    font-size: 1.0625rem;
    line-height: 1.6;
}

/* ----- Pillars / cards ----- */
.landing-pillar {
    border-radius: var(--landing-radius-lg);
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--landing-border);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    height: 100%;
}

.landing-pillar:hover {
    transform: translateY(-4px);
    box-shadow: var(--landing-shadow-lg);
    border-color: rgba(1, 118, 211, 0.2);
}

.landing-pillar-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--landing-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--landing-primary-light);
    color: var(--landing-primary);
    margin-bottom: 1rem;
}

.landing-pillar-title {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--landing-text);
}

.landing-pillar-desc {
    font-size: 0.9375rem;
    color: var(--landing-text-muted);
    line-height: 1.55;
}

/* ----- Timeline / steps ----- */
.landing-step {
    text-align: center;
    padding: 1rem;
}

.landing-step-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--landing-primary);
    color: #fff;
    font-weight: 700;
    font-size: 1.125rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.landing-step-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.35rem;
    color: var(--landing-text);
}

.landing-step-desc {
    font-size: 0.875rem;
    color: var(--landing-text-muted);
    line-height: 1.5;
}

/* ----- Accordion ----- */
.landing-accordion .accordion-button {
    font-weight: 600;
    color: var(--landing-text);
    background: #fff;
    border: 1px solid var(--landing-border);
}

.landing-accordion .accordion-button:not(.collapsed) {
    background: var(--landing-primary-light);
    border-color: var(--landing-primary);
    color: var(--landing-primary);
}

.landing-accordion .accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(1, 118, 211, 0.2);
}

.landing-accordion .accordion-body {
    font-size: 0.9375rem;
    color: var(--landing-text-muted);
    line-height: 1.6;
}

/* ----- Testimonials ----- */
.landing-testimonial {
    background: #fff;
    border-radius: var(--landing-radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--landing-border);
    height: 100%;
    transition: box-shadow 0.25s ease;
}

.landing-testimonial:hover {
    box-shadow: var(--landing-shadow-lg);
}

.landing-testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--landing-primary-light);
    color: var(--landing-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.landing-testimonial-quote {
    font-size: 0.9375rem;
    font-style: italic;
    color: var(--landing-text);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.landing-testimonial-author {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--landing-text);
}

.landing-testimonial-role {
    font-size: 0.8125rem;
    color: var(--landing-text-muted);
}

/* ----- FAQ ----- */
.landing-faq .accordion-button {
    font-size: 1rem;
    font-weight: 500;
}

/* ----- Final CTA ----- */
.landing-final-cta {
    background: linear-gradient(135deg, var(--landing-primary) 0%, #0ea5e9 100%);
    color: #fff;
    padding: 4rem 1.5rem;
    border-radius: var(--landing-radius-lg);
    text-align: center;
}

.landing-final-cta .form-control {
    max-width: 320px;
    margin: 0 auto;
    border-radius: var(--landing-radius);
}

.landing-final-cta .btn-light {
    border-radius: var(--landing-radius);
    font-weight: 600;
}

/* ----- Footer ----- */
.landing-footer {
    background: var(--landing-text);
    color: #94a3b8;
}

.landing-footer .landing-logo-text {
    color: #fff;
}

.landing-footer a {
    color: #94a3b8;
    transition: color 0.2s ease;
}

.landing-footer a:hover {
    color: #fff;
}

/* ----- Feature grid (Features page) ----- */
.landing-feature-card {
    border-radius: var(--landing-radius-lg);
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--landing-border);
    height: 100%;
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.landing-feature-card:hover {
    box-shadow: var(--landing-shadow-lg);
    border-color: var(--landing-primary);
}

.landing-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--landing-radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: var(--landing-primary-light);
    color: var(--landing-primary);
    margin-bottom: 1rem;
}

.landing-feature-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--landing-text);
}

.landing-feature-desc {
    font-size: 0.875rem;
    color: var(--landing-text-muted);
    line-height: 1.5;
}

.landing-sticky-nav {
    position: sticky;
    top: 56px;
    background: #fff;
    border-bottom: 1px solid var(--landing-border);
    z-index: 10;
    padding: 0.5rem 0;
}

.landing-sticky-nav .nav-link {
    color: var(--landing-text-muted);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

.landing-sticky-nav .nav-link:hover,
.landing-sticky-nav .nav-link.active {
    color: var(--landing-primary);
    background: var(--landing-primary-light);
}

/* ----- Image placeholders (for later assets) ----- */
.landing-img-placeholder {
    background: linear-gradient(135deg, #e2e8f0 0%, #f1f5f9 100%);
    border-radius: var(--landing-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--landing-text-muted);
    font-size: 0.8125rem;
    text-align: center;
    padding: 2rem;
    min-height: 180px;
}

/* ----- Smooth scroll (when JS runs) ----- */
@media (prefers-reduced-motion: no-preference) {
    .landing-page {
        scroll-behavior: smooth;
    }
}