/*
CHANGE LOG
File: static/css/nsg_layout.css
Purpose: Page layout - sidebar, navbar, hero, footer, content areas
Version History:
2026-01-14 v1.0 - Copied from NSG standards
*/

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background: var(--color-bg);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: var(--line-height-tight);
}

/* NAVBAR */
.afh-navbar {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--navbar-height);
    background: var(--color-navbar);
    border-bottom: 2px solid var(--color-navbar-border);
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 var(--spacing-xl);
    z-index: 1001;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.afh-navbar-brand { display: flex; flex-direction: column; }
.afh-navbar-title {
    color: var(--color-white); font-size: 1.2rem;
    font-weight: 600; text-decoration: none;
}
.afh-navbar-subtitle { color: rgba(255,255,255,0.7); font-size: 0.8rem; }

.afh-navbar-links { display: flex; gap: var(--spacing-lg); }
.afh-navbar-links a {
    color: var(--color-white); text-decoration: none;
    font-weight: 500; padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm); transition: background 0.2s;
}
.afh-navbar-links a:hover { background: rgba(255,255,255,0.1); }

/* SIDEBAR */
.afh-sidebar {
    position: fixed; top: var(--navbar-height); left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--navbar-height));
    background: var(--color-sidebar);
    border-right: 2px solid var(--color-sidebar-light);
    color: var(--color-white); padding: 0;
    overflow-y: auto; z-index: 1000;
    box-shadow: 2px 0 10px rgba(0,0,0,0.15);
}

.afh-sidebar-header {
    padding: var(--spacing-lg) var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.15);
    background: rgba(0,0,0,0.1);
}
.afh-sidebar-header h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--spacing-xs); }
.afh-sidebar-header p { font-size: 0.8rem; opacity: 0.8; }

.afh-sidebar ul { list-style: none; padding: var(--spacing-sm) 0; }
.afh-sidebar li a {
    display: block; padding: 0.75rem var(--spacing-md);
    color: rgba(255,255,255,0.9); text-decoration: none;
    font-size: 0.9rem; border-left: 3px solid transparent;
    transition: all 0.2s;
}
.afh-sidebar li a:hover {
    background: rgba(255,255,255,0.1);
    border-left-color: rgba(255,255,255,0.5);
}

.afh-sidebar-divider {
    height: 1px; background: rgba(255,255,255,0.15);
    margin: var(--spacing-sm) var(--spacing-md);
}
.afh-sidebar-label {
    font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px;
    padding: var(--spacing-sm) var(--spacing-md); opacity: 0.6;
}

/* MAIN CONTAINER */
.afh-main-container {
    margin-left: var(--sidebar-width);
    margin-top: var(--navbar-height);
    min-height: calc(100vh - var(--navbar-height));
}

/* ANSWER SECTIONS */
.afh-answers {
    padding: var(--spacing-xxl) var(--spacing-xl);
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.afh-answer-section {
    background: var(--color-white);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: var(--border-width) solid var(--color-border);
    scroll-margin-top: 80px;
}

.afh-answer-section h2 {
    color: var(--color-primary);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    color: var(--color-secondary-dark);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

/* FOOTER */
.afh-footer {
    background: var(--color-footer);
    color: var(--color-white);
    padding: var(--spacing-xl);
    text-align: center;
}
.afh-footer p { margin: var(--spacing-sm) 0; font-size: 0.9rem; }
.afh-footer a { color: var(--color-accent); text-decoration: none; }
.afh-footer a:hover { color: var(--color-white); }

/* CTA BUTTON */
.cta-button {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 600;
    border: none;
    transition: background 0.2s;
}
.cta-button:hover { background: var(--color-primary-dark); }

/* RESPONSIVE */
@media (max-width: 900px) {
    .afh-sidebar { width: 100%; height: auto; position: relative; top: 0; }
    .afh-main-container { margin-left: 0; }
    .afh-answer-section { padding: var(--spacing-lg); }
    .afh-answers { padding: var(--spacing-xl) var(--spacing-md); }
}

@media (max-width: 768px) {
    .afh-navbar { padding: 0 var(--spacing-md); }
    .afh-navbar-links { display: none; }
}