:root {
    --color-navy: #0A192F;
    --color-navy-light: #112240;
    --color-gold: #D4AF37;
    --color-gold-light: #F7E7CE;
    --color-gold-dark: #AA8C2C;
    --color-text: #0B1220;
    --color-text-sub: rgba(10,25,47,.68);
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8F6F0;
    --border-navy: rgba(10,25,47,.10);

    --container: 1200px;
    --radius-card: 20px;
    --shadow-card: 0 4px 20px -2px rgba(10,25,47,0.05);

    --section-y-sm: clamp(3.5rem, 6vw, 5rem);
    --section-y-md: clamp(4rem, 7vw, 6rem);
    --section-y-lg: clamp(5rem, 8vw, 7rem);

    --h1-vi: clamp(2rem, 3.2vw, 2.75rem);
    --h2-vi: clamp(2rem, 3vw, 2.875rem);
    --lead-vi: clamp(1.05rem, 1.35vw, 1.3rem);
}

body { 
    background-color: var(--color-bg); 
    color: var(--color-text); 
    font-family: 'Be Vietnam Pro', sans-serif;
    scroll-behavior: smooth; 
}

/* Auth controls must remain hidden regardless of responsive utility ordering. */
[data-auth-state][hidden] {
    display: none !important;
}

.nlp-popup-logo {
    filter: brightness(0) saturate(100%) invert(8%) sepia(31%) saturate(2255%) hue-rotate(177deg) brightness(91%) contrast(99%);
}

/* Fix WP Admin Bar overlap */
body.admin-bar header.fixed {
    top: 32px;
}
@media screen and (max-width: 782px) {
    #wpadminbar {
        position: fixed !important;
    }
    body.admin-bar header.fixed {
        top: 46px;
    }
}

[id] {
    scroll-margin-top: 96px;
}

.container-core {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.section-core-sm { padding-block: var(--section-y-sm); }
.section-core-md { padding-block: var(--section-y-md); }
.section-core-lg { padding-block: var(--section-y-lg); }

.heading-hero {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: var(--h1-vi);
    line-height: 1.14;
    letter-spacing: -0.035em;
    font-weight: 800;
    color: var(--color-navy);
    max-width: 100%;
}

.heading-hero.text-white {
    color: #FFFFFF;
}

.heading-section {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: var(--h2-vi);
    line-height: 1.16;
    font-weight: 800;
    color: var(--color-navy);
    letter-spacing: -0.02em;
}

.heading-section.text-white {
    color: #FFFFFF;
}

.text-lead {
    font-size: var(--lead-vi);
    line-height: 1.65;
    color: var(--color-text-sub);
}

.eyebrow {
    color: var(--color-gold);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.eyebrow::before {
    content: '';
    width: 20px;
    height: 1px;
    background-color: var(--color-gold);
    display: inline-block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 3.5rem;
    padding-inline: 2rem;
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: all 0.3s ease;
    cursor: pointer;
    gap: 0.5rem;
}
.btn-primary {
    background-color: var(--color-navy);
    color: #FFFFFF;
}
.btn-primary:hover {
    background-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(212, 175, 55, 0.5);
}
.btn-secondary {
    background-color: transparent;
    color: var(--color-navy);
    border: 1px solid var(--border-navy);
}
.btn-secondary:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background-color: rgba(212, 175, 55, 0.05);
}
.btn-gold {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
    color: var(--color-navy);
    font-weight: 900;
    box-shadow: 0 0 15px rgba(212,175,55,0.3);
}
.btn-gold:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 25px rgba(212,175,55,0.5);
}

/* Cards */
.card {
    background-color: var(--color-bg);
    border: 1px solid var(--border-navy);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}
.card:hover {
    box-shadow: 0 12px 30px -4px rgba(10,25,47,0.08);
    border-color: rgba(10,25,47,.20);
}
.card-dark {
    background-color: var(--color-navy-light);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-card);
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}
.card-dark:hover {
    border-color: rgba(212, 175, 55, 0.4);
}

/* Helpers */
.gold-gradient-text { 
    background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-dark) 50%, var(--color-gold) 100%); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
}

/* Accordion (FAQ) */
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out, padding 0.3s ease; }
.faq-item.active .accordion-content { max-height: 500px; padding-bottom: 1.5rem; }
.faq-item.active .toggle-icon { transform: rotate(180deg); }

/* Mobile Menu */
#mobile-menu { transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
#mobile-menu[aria-expanded="true"] { transform: translateY(0); }

/* Desktop Menu */
.desktop-dropdown {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.2s ease;
}
.desktop-menu-item:hover > .desktop-dropdown {
    display: block;
    opacity: 1;
    transform: translateY(0);
}