/* Caddick & Brown — the 5-Level Framework page. Tokens and chrome from press.css. */

.fw-hero {
    max-width: var(--page);
    margin: 0 auto;
    padding: 4rem var(--gutter) 2.75rem;
}

.fw-hero h1 {
    font-size: clamp(2.6rem, 6.4vw, 5.25rem);
    line-height: 1.02;
    letter-spacing: -0.026em;
    margin: 0.85rem 0 1.5rem;
    max-width: 18ch;
}
.fw-hero h1 em { font-style: normal; color: var(--accent); }

.fw-lede { font-size: 1.05rem; line-height: 1.8; color: var(--ink-dim); max-width: 38rem; margin-bottom: 1.75rem; }

.fw-band { border-top: 2px solid var(--accent); }
.fw-band div {
    max-width: var(--page);
    margin: 0 auto;
    padding: 1rem var(--gutter);
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

/* ---------- The five levels ---------- */

/* A ladder, read top to bottom. Every signal climbs on the same axis:
   the left rule thickens, the colour warms, the numeral grows, and the
   diagram resolves from scatter to a connected grid. */

.ladder { --l1: #6b6660; --l2: #8a7a68; --l3: #b08050; --l4: #db7038; }

.ladder-cap {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-mute);
    padding-left: 1.25rem;
    margin-bottom: 0.6rem;
}
.ladder-cap-end { margin: 0.6rem 0 0; color: var(--accent); }

.rung {
    display: grid;
    grid-template-columns: 116px 56px 190px minmax(0, 1fr) 116px;
    grid-template-areas: "dia num name desc tag";
    align-items: center;
    gap: 1.5rem;
    padding: 1.15rem 0 1.15rem 1.25rem;
    border-top: 1px solid var(--line);
    border-left: var(--rule) solid var(--step);
}
.rung:last-child { border-bottom: 1px solid var(--line); }

.rung-1 { --step: var(--l1); --rule: 2px; --num: 2.3rem; --name: 1.5rem; --name-ink: var(--ink-dim); --desc-ink: #9d958a; }
.rung-2 { --step: var(--l2); --rule: 3px; --num: 2.7rem; --name: 1.56rem; --name-ink: #d0c9bc; --desc-ink: #a49c90; }
.rung-3 { --step: var(--l3); --rule: 4px; --num: 3.1rem; --name: 1.62rem; --name-ink: #e4ddd1; --desc-ink: #ada596; }
.rung-4 { --step: var(--l4); --rule: 5px; --num: 3.5rem; --name: 1.68rem; --name-ink: var(--ink); --desc-ink: var(--ink-dim); }
.rung-5 {
    --step: var(--accent); --rule: 6px; --num: 3.9rem; --name: 1.8rem;
    --name-ink: #ffffff; --desc-ink: #d8d2c8;
    background: linear-gradient(90deg, rgba(255, 106, 42, 0.07), transparent 65%);
}

.rung svg { grid-area: dia; width: 116px; height: 46px; display: block; }
.rung-num  { grid-area: num;  font-family: var(--font-display); font-size: var(--num); line-height: 1; color: var(--step); }
.rung-name { grid-area: name; font-family: var(--font-display); font-size: var(--name); line-height: 1.15; color: var(--name-ink); margin: 0; }
.rung-desc { grid-area: desc; font-size: 0.9rem; line-height: 1.7; color: var(--desc-ink); margin: 0; }
.rung-tag {
    grid-area: tag;
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--step);
    text-align: right;
}

/* ---------- Signals ---------- */

.signals { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 3rem; margin-top: 1.75rem; }

.signal { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: 1.25rem; padding: 1.1rem 0; border-top: 1px solid var(--line-soft); }
.signal-key {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    padding-top: 0.2rem;
}
.signal p { font-size: 0.95rem; line-height: 1.75; color: var(--ink-dim); margin: 0; }

/* ---------- Why it works ---------- */

.fw-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2.25rem; }
.fw-card h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.fw-card p { font-size: 0.92rem; line-height: 1.75; color: var(--ink-dim); margin: 0; }

.fw-cta { display: flex; gap: 0.85rem; flex-wrap: wrap; margin-top: 2.5rem; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .signals { grid-template-columns: 1fr; gap: 0; }
    .fw-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
    .fw-band div { flex-direction: column; gap: 0.4rem; }
    .fw-band .band-levels { display: none; }

    .rung {
        grid-template-columns: 56px minmax(0, 1fr);
        grid-template-areas:
            "num  name"
            "num  tag"
            "dia  dia"
            "desc desc";
        align-items: start;
        gap: 0.35rem 1rem;
        padding-top: 1.1rem;
        padding-bottom: 1.1rem;
    }
    .rung-tag { text-align: left; }
    .rung svg { margin: 0.5rem 0 0.2rem; }
}

@media (max-width: 560px) {
    .fw-cards { grid-template-columns: 1fr; }
    .rung { gap: 0.5rem 1rem; }
    .signal { grid-template-columns: 1fr; gap: 0.35rem; }
    .fw-cta .btn, .fw-cta .btn-ghost { width: 100%; text-align: center; }
}