:root {
    --coral: #ff6b4a;
    --coral-dark: #ff5533;
    --coral-faint: rgba(255, 107, 74, 0.08);
    --coral-faint2: rgba(255, 107, 74, 0.15);
    --primary: #1a2332;
    --primary-light: #2a3545;
    --gold: #d9a441;
    --green: #1f7a5c;
    --red: #a83a2c;
    --background: #f8f5f0;
    --text: #354052;
    --text-light: #5a6578;
    --text-dim: #68717f;
    --border: #e3ddd3;
    --white: #ffffff;
}

html { scroll-behavior: smooth; }
body { background-color: var(--background); color: var(--text); }

/* BREADCRUMB */
.breadcrumb {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem 2rem 0;
    font-size: 0.82rem;
    color: var(--text-dim);
}
.breadcrumb a { color: var(--text-dim); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--coral); }
.breadcrumb span { margin: 0 0.4rem; }

/* HERO */
.hero {
    position: relative;
    overflow: hidden;
    padding: 4rem 2rem 3rem;
    background: var(--primary);
    color: white;
    margin-bottom: 0;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: transparent;
    pointer-events: none;
}
.hero-inner { max-width: 860px; margin: 0 auto; position: relative; }
.guide-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,107,74,0.2);
    border: 1px solid rgba(255,107,74,0.4);
    color: var(--coral);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.35rem 0.9rem;
    border-radius: var(--r-pill);
    margin-bottom: 1.5rem;
}
h1 {
    font-family: 'Crimson Pro', serif;
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: white;
}
h1 span { color: var(--coral); }
.hero-intro {
    font-size: 1.15rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 1.5rem;
}
.hero-meta-item { display: flex; align-items: center; gap: 0.5rem; }

.author-line {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.12);
}
.author-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--coral);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Crimson Pro', serif;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}
.author-info { font-size: 0.85rem; color: rgba(255,255,255,0.85); line-height: 1.4; }
.author-info strong { color: white; font-weight: 600; }
.author-info a { color: var(--coral); text-decoration: none; }

/* PAGE LAYOUT */
.page-layout {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr 240px;
    gap: 3rem;
    align-items: start;
}
.article-body { min-width: 0; }
.section-block { margin-bottom: 3rem; }

h2 {
    font-family: 'Crimson Pro', serif;
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}
h3 {
    font-family: 'Crimson Pro', serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--coral);
    margin-bottom: 0.6rem;
    margin-top: 1.75rem;
}
p { color: var(--text-light); margin-bottom: 1rem; font-size: 1rem; line-height: 1.75; }
p:last-child { margin-bottom: 0; }
a { color: var(--coral); text-decoration: none; }
a:hover { text-decoration: underline; }

.article-body strong { color: var(--text); }

/* PULL QUOTE */
.pull-quote {
    border-left: 3px solid var(--coral);
    padding: 1.5rem 2rem;
    margin: 2.5rem 0;
    background: white;
    border-radius: 0 var(--r-md) var(--r-md) 0;
    box-shadow: var(--shadow-1);
}
.pull-quote p {
    font-family: 'Crimson Pro', serif;
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text);
    line-height: 1.6;
    margin: 0;
}

/* INFO BOXES */
.info-box {
    border-radius: var(--r-md);
    padding: 1.1rem 1.4rem;
    margin: 1.75rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}
.info-box.blue { background: #eef2f7; border-left: 4px solid #2f5d8f; }
.info-box.green { background: #eef5f2; border-left: 4px solid #1f7a5c; }
.info-box.amber { background: #fbf6ea; border-left: 4px solid #a3611a; }
.info-box-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }
.info-box-body { flex: 1; min-width: 0; }
.info-box-title { font-weight: 700; color: var(--primary); font-size: 0.95rem; margin-bottom: 0.4rem; }
.info-box-body p { color: var(--text-light); font-size: 0.92rem; line-height: 1.65; margin: 0; }

/* ANSWER BOX */
.answer-box {
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--r-md);
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-1);
}
.answer-box-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--coral);
    margin-bottom: 0.75rem;
}
.answer-box h3 {
    font-family: 'Crimson Pro', serif;
    font-size: 1.4rem;
    color: var(--primary);
    margin: 0 0 0.75rem;
}
.answer-box p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0.85rem;
}
.answer-box p:last-child { margin-bottom: 0; }

/* STEPS LIST */
.steps-list {
    list-style: none;
    counter-reset: step;
    padding: 0;
    margin: 1.5rem 0;
}
.steps-list li {
    counter-increment: step;
    position: relative;
    padding: 0 0 1.75rem 3.25rem;
}
.steps-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--coral-faint2);
    color: var(--coral);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.steps-list li:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 1.1rem;
    top: 2.5rem;
    bottom: 0.25rem;
    width: 2px;
    background: var(--border);
}
.step-title { font-weight: 700; color: var(--primary); margin-bottom: 0.35rem; }
.step-description { color: var(--text-light); font-size: 0.95rem; line-height: 1.7; }

/* FAQ */
.faq-block { margin-top: 1rem; }
.faq-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    margin-bottom: 0.85rem;
    overflow: hidden;
}
.faq-item summary {
    padding: 1.1rem 1.4rem;
    font-family: 'Crimson Pro', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    font-family: 'Work Sans', sans-serif;
    font-size: 1.5rem;
    color: var(--coral);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body {
    padding: 0 1.4rem 1.2rem;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}
.faq-body p { margin: 0; color: var(--text-light); }

/* AUTHOR BOX */
.author-box {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 1.75rem;
    margin: 3rem 0 0;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    box-shadow: var(--shadow-1);
}
.author-box-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--coral);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Crimson Pro', serif;
    font-weight: 700;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.author-box-name {
    font-family: 'Crimson Pro', serif;
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
    margin: 0 0 0.25rem;
}
.author-box-role {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin: 0 0 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}
.author-box-bio { font-size: 0.92rem; color: var(--text-light); line-height: 1.65; margin: 0; }

/* DISCLAIMER STRIP */
.disclaimer-strip {
    background: rgba(217, 164, 65,0.1);
    border: 1px solid rgba(217, 164, 65,0.3);
    border-radius: var(--r-md);
    padding: 1rem 1.25rem;
    margin: 2rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}
.disclaimer-icon { font-size: 1.2rem; flex-shrink: 0; }
.disclaimer-text { font-size: 0.9rem; color: var(--text-light); line-height: 1.55; }

/* NEXT STEPS */
.next-steps {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 2rem;
    margin-top: 3rem;
    box-shadow: var(--shadow-1);
}
.next-steps h2 { margin-bottom: 1.5rem; }
.next-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}
.next-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 1.25rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.next-card:hover { border-color: rgba(255,107,74,0.4); transform: translateY(-2px); background: rgba(255,107,74,0.04); }
.next-card-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--coral); }
.next-card-title { font-family: 'Crimson Pro', serif; font-size: 1.05rem; color: var(--primary); font-weight: 600; }
.next-card-desc { font-size: 0.8rem; color: var(--text-dim); line-height: 1.45; }
.next-card-arrow { color: var(--coral); font-size: 1rem; margin-top: auto; padding-top: 0.5rem; }

/* TOC SIDEBAR */
.toc-sidebar {
    position: sticky;
    top: 90px;
    padding: 1.5rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-1);
}
.toc-title {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 1rem;
}
.toc-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.1rem; }
.toc-list li a {
    display: block;
    padding: 0.35rem 0.5rem;
    font-size: 0.82rem;
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--r-sm);
    transition: all 0.2s;
    line-height: 1.3;
}
.toc-list li a:hover, .toc-list li a.active { color: var(--coral); background: var(--coral-faint2); }

/* PROGRESS BAR */
#progress-bar {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    background: var(--coral);
    width: 0%;
    z-index: 10000;
    transition: width 0.1s ease;
}

/* RESPONSIVE */
@media (max-width: 860px) {
    .page-layout { grid-template-columns: 1fr; }
    .toc-sidebar { display: none; }
}
@media (max-width: 768px) {
    .hero { padding: 3rem 1.5rem 2.5rem; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .author-box { flex-direction: column; }
}