/* =========================================================================
   FunnelFusion — public landing / legal pages
   Shared styles for unauthenticated marketing + compliance pages.
   Builds on the design tokens declared in theme.css (CSS vars under :root).
   ========================================================================= */

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--ff-slate-900);
    background: #ffffff;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Navigation ---------- */
.ff-public-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--ff-slate-200);
}

.ff-public-nav-inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0.9rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.ff-public-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ff-slate-900);
    text-decoration: none;
}

.ff-public-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background: linear-gradient(135deg, var(--ff-indigo-500), var(--ff-indigo-700));
    color: white;
    font-size: 1.1rem;
}

.ff-public-links {
    flex: 1;
    gap: 1.75rem;
}

.ff-public-links a {
    color: var(--ff-slate-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 120ms;
}

.ff-public-links a:hover {
    color: var(--ff-indigo-600);
}

.ff-public-cta {
    margin-left: auto;
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
}

.ff-public-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 120ms;
    border: 1px solid transparent;
    cursor: pointer;
}

.ff-public-btn.is-primary {
    background: var(--ff-indigo-600);
    color: white;
}

.ff-public-btn.is-primary:hover {
    background: var(--ff-indigo-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.ff-public-btn.is-ghost {
    color: var(--ff-slate-700);
    border-color: var(--ff-slate-200);
    background: white;
}

.ff-public-btn.is-ghost:hover {
    border-color: var(--ff-slate-300);
    color: var(--ff-slate-900);
}

.ff-public-btn.is-lg {
    padding: 0.85rem 1.6rem;
    font-size: 1rem;
}

/* ---------- Shared page chrome ---------- */
.ff-public-section {
    max-width: 72rem;
    margin: 0 auto;
    padding: 5rem 1.25rem;
}

.ff-public-eyebrow {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    border-radius: 2rem;
    background: var(--ff-indigo-50);
    color: var(--ff-indigo-700);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.ff-public-h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 1rem 0 1.25rem;
    color: var(--ff-slate-900);
}

.ff-public-h2 {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.2;
    margin: 0 0 0.75rem;
    color: var(--ff-slate-900);
}

.ff-public-sub {
    font-size: 1.125rem;
    color: var(--ff-slate-600);
    max-width: 42rem;
    margin: 0 0 2rem;
}

/* ---------- Hero ---------- */
.ff-hero {
    position: relative;
    overflow: hidden;
    padding: 5rem 1.25rem 6rem;
    background:
        radial-gradient(ellipse 1200px 600px at 50% -10%, var(--ff-indigo-50), transparent 60%),
        radial-gradient(ellipse 800px 400px at 80% 100%, var(--ff-emerald-50), transparent 70%);
}

.ff-hero-inner {
    max-width: 72rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

.ff-hero-cta {
    display: inline-flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.ff-hero-platforms {
    margin-top: 2.5rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: white;
    border: 1px solid var(--ff-slate-200);
    border-radius: 0.75rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.ff-hero-platforms span:first-child {
    font-size: 0.85rem;
    color: var(--ff-slate-500);
    font-weight: 500;
    padding-right: 0.75rem;
    border-right: 1px solid var(--ff-slate-200);
}

.ff-hero-platforms span:not(:first-child) {
    font-weight: 600;
    color: var(--ff-slate-700);
    font-size: 0.95rem;
}

/* ---------- Hero illustration (SVG flow diagram) ---------- */
.ff-hero-art {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
}

.ff-hero-art-card {
    background: white;
    border: 1px solid var(--ff-slate-200);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
    width: 100%;
    max-width: 32rem;
}

.ff-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0.75rem;
    align-items: center;
}

.ff-flow-node {
    background: var(--ff-slate-50);
    border: 1px solid var(--ff-slate-200);
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ff-flow-node.is-shopify { border-color: var(--ff-emerald-100); background: var(--ff-emerald-50); }
.ff-flow-node.is-google { border-color: var(--ff-sky-100); background: var(--ff-sky-50); }
.ff-flow-node.is-ms { border-color: var(--ff-violet-100); background: var(--ff-violet-50); }

.ff-flow-node-icon {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    border-radius: 0.5rem;
}

.ff-flow-node.is-shopify .ff-flow-node-icon { color: var(--ff-emerald-700); }
.ff-flow-node.is-google .ff-flow-node-icon { color: var(--ff-sky-700); }
.ff-flow-node.is-ms .ff-flow-node-icon { color: var(--ff-violet-700); }

.ff-flow-node-label {
    font-size: 0.75rem;
    color: var(--ff-slate-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.ff-flow-node-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ff-slate-900);
}

.ff-flow-arrow {
    color: var(--ff-slate-400);
    font-size: 1.5rem;
    justify-self: center;
}

.ff-flow-destinations {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ff-flow-funnel {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--ff-slate-200);
}

.ff-flow-funnel-label {
    font-size: 0.7rem;
    color: var(--ff-slate-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.ff-flow-funnel-tiers {
    display: flex;
    gap: 0.4rem;
}

.ff-flow-tier {
    flex: 1;
    padding: 0.5rem 0.6rem;
    border-radius: 0.4rem;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.ff-flow-tier.is-h { background: var(--ff-sky-100); color: var(--ff-sky-700); }
.ff-flow-tier.is-m { background: var(--ff-violet-100); color: var(--ff-violet-700); }
.ff-flow-tier.is-l { background: var(--ff-rose-100); color: var(--ff-rose-700); }

/* ---------- Features grid ---------- */
.ff-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

@media (max-width: 860px) {
    .ff-features { grid-template-columns: 1fr; }
}

.ff-feature {
    padding: 1.75rem;
    border: 1px solid var(--ff-slate-200);
    border-radius: 0.875rem;
    background: white;
    transition: all 150ms;
}

.ff-feature:hover {
    border-color: var(--ff-indigo-100);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.ff-feature-icon {
    display: inline-flex;
    width: 2.75rem;
    height: 2.75rem;
    align-items: center;
    justify-content: center;
    border-radius: 0.625rem;
    background: var(--ff-indigo-50);
    color: var(--ff-indigo-600);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.ff-feature-icon.tone-emerald { background: var(--ff-emerald-50); color: var(--ff-emerald-700); }
.ff-feature-icon.tone-sky { background: var(--ff-sky-50); color: var(--ff-sky-700); }
.ff-feature-icon.tone-violet { background: var(--ff-violet-50); color: var(--ff-violet-700); }
.ff-feature-icon.tone-amber { background: var(--ff-amber-50); color: var(--ff-amber-700); }
.ff-feature-icon.tone-rose { background: var(--ff-rose-50); color: var(--ff-rose-700); }

.ff-feature h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--ff-slate-900);
}

.ff-feature p {
    color: var(--ff-slate-600);
    font-size: 0.95rem;
    margin: 0;
}

/* ---------- How it works ---------- */
.ff-how {
    background: var(--ff-slate-50);
    padding: 5rem 1.25rem;
}

.ff-how-inner {
    max-width: 72rem;
    margin: 0 auto;
}

.ff-how-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

@media (max-width: 860px) {
    .ff-how-steps { grid-template-columns: 1fr; }
}

.ff-how-step {
    position: relative;
    background: white;
    border: 1px solid var(--ff-slate-200);
    border-radius: 0.875rem;
    padding: 1.75rem;
}

.ff-how-step-num {
    position: absolute;
    top: -1rem;
    left: 1.5rem;
    width: 2.25rem;
    height: 2.25rem;
    background: var(--ff-indigo-600);
    color: white;
    border-radius: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.ff-how-step h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem;
    color: var(--ff-slate-900);
}

.ff-how-step p {
    color: var(--ff-slate-600);
    font-size: 0.95rem;
    margin: 0;
}

/* ---------- Funnel explainer ---------- */
.ff-funnel-viz {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

@media (max-width: 860px) {
    .ff-funnel-viz { grid-template-columns: 1fr; }
}

.ff-funnel-diagram {
    padding: 2rem;
    background: white;
    border: 1px solid var(--ff-slate-200);
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.ff-funnel-row {
    display: grid;
    grid-template-columns: 2.5rem 1fr 7rem;
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    border-radius: 0.625rem;
    margin-bottom: 0.75rem;
}

.ff-funnel-row.is-h {
    background: var(--ff-sky-50);
    border: 1px solid var(--ff-sky-100);
}

.ff-funnel-row.is-m {
    background: var(--ff-violet-50);
    border: 1px solid var(--ff-violet-100);
    width: 85%;
    margin-left: auto;
    margin-right: auto;
}

.ff-funnel-row.is-l {
    background: var(--ff-rose-50);
    border: 1px solid var(--ff-rose-100);
    width: 70%;
    margin-left: auto;
    margin-right: auto;
}

.ff-funnel-tier-label {
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
}

.ff-funnel-row.is-h .ff-funnel-tier-label { color: var(--ff-sky-700); }
.ff-funnel-row.is-m .ff-funnel-tier-label { color: var(--ff-violet-700); }
.ff-funnel-row.is-l .ff-funnel-tier-label { color: var(--ff-rose-700); }

.ff-funnel-desc {
    font-size: 0.9rem;
    color: var(--ff-slate-700);
    font-weight: 500;
}

.ff-funnel-bid {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    font-size: 0.95rem;
    text-align: right;
}

.ff-funnel-row.is-h .ff-funnel-bid { color: var(--ff-emerald-700); }
.ff-funnel-row.is-m .ff-funnel-bid { color: var(--ff-slate-700); }
.ff-funnel-row.is-l .ff-funnel-bid { color: var(--ff-rose-700); }

.ff-funnel-caption {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--ff-slate-500);
}

/* ---------- About section ---------- */
.ff-about {
    background: var(--ff-slate-50);
    padding: 5rem 1.25rem;
}

.ff-about-inner {
    max-width: 48rem;
    margin: 0 auto;
    text-align: center;
}

.ff-about p {
    font-size: 1.05rem;
    color: var(--ff-slate-700);
    margin-bottom: 1rem;
}

/* ---------- Contact ---------- */
.ff-contact {
    background: linear-gradient(135deg, var(--ff-indigo-600), var(--ff-indigo-700));
    padding: 5rem 1.25rem;
    color: white;
}

.ff-contact-inner {
    max-width: 48rem;
    margin: 0 auto;
    text-align: center;
}

.ff-contact h2 {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.ff-contact p {
    font-size: 1.1rem;
    opacity: 0.92;
    margin-bottom: 2rem;
}

.ff-contact-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.ff-contact-method {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.625rem;
    padding: 0.75rem 1.25rem;
    color: white;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 150ms;
}

.ff-contact-method:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
}

/* ---------- Footer ---------- */
.ff-public-footer {
    background: var(--ff-slate-900);
    color: var(--ff-slate-300);
    padding: 4rem 1.25rem 0;
}

.ff-public-footer-inner {
    max-width: 72rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

@media (max-width: 860px) {
    .ff-public-footer-inner { grid-template-columns: 1fr; }
}

.ff-public-footer-brand .ff-public-brand {
    color: white;
}

.ff-public-footer-brand p {
    color: var(--ff-slate-400);
    margin-top: 1rem;
    max-width: 20rem;
}

.ff-public-footer-meta {
    font-size: 0.85rem;
    margin-top: 0.5rem !important;
}

.ff-public-footer-meta strong {
    color: var(--ff-slate-200);
}

.ff-public-footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 500px) {
    .ff-public-footer-cols { grid-template-columns: 1fr; }
}

.ff-public-footer-cols h4 {
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 1rem;
}

.ff-public-footer-cols ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ff-public-footer-cols a {
    color: var(--ff-slate-400);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 120ms;
}

.ff-public-footer-cols a:hover {
    color: white;
}

.ff-public-footer-bar {
    border-top: 1px solid var(--ff-slate-700);
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--ff-slate-500);
}

.ff-public-footer-stack {
    font-variant: small-caps;
    letter-spacing: 0.03em;
}

/* ---------- Legal (privacy / terms) ---------- */
.ff-legal {
    max-width: 52rem;
    margin: 0 auto;
    padding: 4rem 1.25rem 5rem;
}

.ff-legal h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--ff-slate-900);
}

.ff-legal .ff-legal-updated {
    color: var(--ff-slate-500);
    font-size: 0.9rem;
    margin-bottom: 2.5rem;
}

.ff-legal h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 2.5rem 0 0.75rem;
    color: var(--ff-slate-900);
}

.ff-legal h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
    color: var(--ff-slate-800);
}

.ff-legal p, .ff-legal li {
    color: var(--ff-slate-700);
    font-size: 1rem;
    line-height: 1.65;
}

.ff-legal ul, .ff-legal ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.ff-legal li {
    margin-bottom: 0.4rem;
}

.ff-legal a {
    color: var(--ff-indigo-600);
    text-decoration: underline;
}

.ff-legal a:hover {
    color: var(--ff-indigo-700);
}