:root {
    --color-primary:              #002e4f; /* Deep navy — primary text */
    --color-accent-main:          #3766b9; /* Blue — buttons, highlights, progress bar */
    --color-utility-alert:        #b83232; /* Red — warnings, negative states */
    --color-utility-confirmation: #2e7d5a; /* Muted green — positive states */
    --color-divider:              #8fa8cc; /* Light blue — secondary text, borders, dividers */
    --color-base-subtle-1:        #d8e4f4; /* Very light blue — subtle fills */
    --color-base-subtle-2:        #e8dcc8; /* Tan — alternate subtle fills */
    --color-accent-light:         #b0c8e8; /* Light blue — light accent */
    --color-bg-primary:           #f5f0e8; /* Warm white / light tan — slide background */
    --scene-hue-shift:            65deg;   /* Rotate imagery toward theme palette */
}

.bg-primary { background-color: var(--color-bg-primary); }
.bg-alternate { background-color: var(--color-primary); }
.bg-accent-main { background-color: var(--color-accent-main); }
.bg-utility-alert { background-color: var(--color-utility-alert); }
.bg-utility-confirmation { background-color: var(--color-utility-confirmation); }
.bg-base-subtle-1 { background-color: var(--color-base-subtle-1); }
.bg-base-subtle-2 { background-color: var(--color-base-subtle-2); }
.bg-accent-light { background-color: var(--color-accent-light); }
.bg-divider { background-color: var(--color-divider); }


.text-primary { color: var(--color-primary); }
.text-accent-main { color: var(--color-accent-main); }
.text-utility-alert { color: var(--color-utility-alert); }
.text-divider { color: var(--color-divider); }
.text-accent-light { color: var(--color-accent-light); }
.text-on-dark { color: var(--color-bg-primary); } /* For text on #1F2A44 */
.text-on-light { color: var(--color-primary); } /* For text on light backgrounds */

.border-accent-main { border-color: var(--color-accent-main); }
.border-divider { border-color: var(--color-divider); }

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&family=Playfair+Display:wght@700;900&display=swap');
@import url("https://use.typekit.net/qtt2mur.css");

body {
    font-family: 'Nexa', 'Inter', sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-primary);
    margin: 0;
    overflow-x: hidden;
    line-height: 1.6;
}

.header-font {
    font-family: 'Playfair Display', Georgia, serif; 
}

.label-text {
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-divider);
    display: block;
    margin-bottom: 0.5rem;
}

.slide {
    display: none;
    height: 100vh;
    width: 100vw;
    padding: 4rem;
    box-sizing: border-box;
    position: relative;
}

.slide.active { 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
}

.slide-nav {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
    z-index: 100;
}

.layout-section { 
    display: none; 
}

.layout-section.active { 
    display: block; 
}

.btn-brand {
    padding: 0.75rem 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s;
    border-radius: 4px;
}

.editorial-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
}

.content-full {
    grid-column: span 12;
}

.content-standard {
    grid-column: 3 / span 8;
}

.content-narrow {
    grid-column: 4 / span 6;
}

.btn {
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 800;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-primary { background-color: var(--color-accent-main); color: white; }
.btn-secondary { background-color: var(--color-accent-light); color: var(--color-primary); }
.btn-success { background-color: var(--color-utility-confirmation); color: white; }
.btn-alert { background-color: var(--color-utility-alert); color: white; }

.btn-outline { 
    background-color: transparent; 
    border-color: var(--color-divider); 
    color: var(--color-primary); 
}

.btn-outline-light { 
    background-color: transparent; 
    border-color: var(--color-bg-primary); 
    color: var(--color-bg-primary); 
}

.container-box {
    padding: 60px;
    border-radius: 12px;
    margin-bottom: 40px;
    border: 1px solid var(--color-divider);
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.bg-alternate { background-color: var(--color-primary); }
.bg-stalactite { background-color: var(--color-bg-primary); }
.bg-lilac { background-color: var(--color-base-subtle-2); }

.test-block {
    padding: 40px;
    border-radius: 8px;
    margin-bottom: 24px;
    border: 1px solid #B0B7BE;
}

.c1 { background-color: var(--color-primary); color: var(--color-bg-primary); }
.c2 { background-color: var(--color-primary); color: var(--color-accent-light); }
.c3 { background-color: var(--color-base-subtle-1); color: var(--color-primary); }
.c4 { background-color: var(--color-base-subtle-2); color: var(--color-accent-main); }
.c5 { background-color: var(--color-bg-primary); color: var(--color-utility-confirmation); }
.c6 { background-color: var(--color-bg-primary); color: var(--color-utility-alert); }
.c7 { background-color: var(--color-bg-primary); color: var(--color-divider); }

.reveal {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal.gone {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.reveal.highlight {
    opacity: 1;
    transform: none;
    color: inherit;
    font-weight: inherit;
    transition: color 0.3s ease;
}
.reveal.highlight.visible      { color: var(--color-accent-main); font-weight: 800; }
.reveal.highlight-alert {
    opacity: 1;
    transform: none;
    color: inherit;
    transition: color 0.3s ease;
}
.reveal.highlight-alert.visible { color: #CA2356; }

.underline { text-decoration: underline; }
.reveal.underline { text-decoration: none; }
.reveal.underline.visible { text-decoration: underline; }

.reveal.highlight-green {
    opacity: 1;
    transform: none;
    color: inherit;
    transition: color 0.3s ease;
}
.reveal.highlight-green.visible { color: var(--color-utility-confirmation); }

.reveal.scale-up   { opacity: 0; transform: scale(1);   transition: opacity 0.3s ease, transform 0.4s ease; }
.reveal.scale-up.visible   { opacity: 1; transform: scale(1.4); }
.reveal.scale-down { opacity: 0; transform: scale(1);   transition: opacity 0.3s ease, transform 0.4s ease; }
.reveal.scale-down.visible { opacity: 1; transform: scale(0.6); }

.horizontal-stack { display: flex; flex-direction: row; align-items: center; justify-content: center; gap: 3rem; flex-wrap: wrap; }
.vertical-stack { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.5rem; }