/* 
 * v2_executive_theme - Base & Resets
 * Style: McKinsey/Monocle Think Tank
 * Typography: Extreme size contrast + monospace data labels
 */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Display Typography: Cormorant Garamond ─── */
/* Section headlines: large, commanding serif — annual report feel */
h1, h2 {
    font-family: var(--font-display);
    font-weight: var(--fw-light);
    color: var(--color-text-main);
    line-height: 1.05;
    letter-spacing: -0.015em;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(3rem, 6.5vw, 5.5rem);
    letter-spacing: -0.025em;
    line-height: 1.0;
}

h2 {
    font-size: clamp(1.9rem, 3.5vw, 2.75rem);
    letter-spacing: -0.02em;
}

/* Sub-headings: Inter, functional precision */
h3 {
    font-family: var(--font-primary);
    font-weight: var(--fw-semibold);
    font-size: 0.92rem;
    line-height: 1.4;
    letter-spacing: 0;
    color: var(--color-text-main);
    margin-bottom: 0.4rem;
}

h4 {
    font-family: var(--font-primary);
    font-weight: var(--fw-medium);
    font-size: 0.82rem;
    letter-spacing: 0.01em;
    color: var(--color-text-main);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
    line-height: 1.8;
    /* Constrain reading line for white-paper prose */
    max-width: 68ch;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-smooth);
}

a:hover {
    color: var(--color-accent);
}

img, svg {
    display: block;
    max-width: 100%;
}

ul {
    list-style: none;
}

/* ─── Monospace Chapter Labels ─── */
/* The signature McKinsey/Monocle element: tiny caps, wide tracking, mono */
.label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: var(--fw-regular);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-text-subtle);
    display: block;
    line-height: 1.4;
}

.label-warm {
    color: var(--color-gold);
}

/* ─── Big Number: Annual Report / Think Tank Metric ─── */
/* Key financial/operational metrics displayed at maximum impact */
.stat-block {
    display: flex;
    flex-direction: column;
    margin-top: var(--spacing-lg);
}

.stat-number {
    font-family: var(--font-display);
    font-weight: var(--fw-light);
    font-size: clamp(3.5rem, 6vw, 5rem);
    line-height: 1.0;
    color: var(--color-text-main);
    letter-spacing: -0.03em;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--color-text-subtle);
    margin-top: 0.5rem;
}

/* ─── Horizontal Rule: The Primary Structural Tool ─── */
hr, .divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 0;
}

/* ─── Utility Classes ─── */
.text-accent  { color: var(--color-accent); }
.text-gold    { color: var(--color-gold); }
.text-muted   { color: var(--color-text-muted); }
.text-subtle  { color: var(--color-text-subtle); }
.text-center  { text-align: center; }

/* Backward compat — maps to navy accent now */
.text-cyan { color: var(--color-accent); }

/* Hide elements before animation */
.js-hidden {
    opacity: 0;
    visibility: hidden;
}