:root {
    --color-primary: #0f141c;
    --color-primary-light: #1c2430;
    --color-gold: #c5a059;
    --color-gold-hover: #b08d48;
    --color-gold-light: #fbf8f2;
    --color-accent: #25d366;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-text-main: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-card-bg: #ffffff;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 6px rgba(0,0,0,0.04);
    --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 40px -10px rgba(15, 20, 28, 0.15);
    --shadow-gold: 0 12px 30px -8px rgba(197, 160, 89, 0.35);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 75px;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* Top Announcement Bar */
.top-bar { background-color: var(--color-primary); color: #cbd5e1; font-size: 0.82rem; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; }
.top-bar-location strong { color: #ffffff; }
.top-bar-contact { display: flex; align-items: center; gap: 16px; }
.top-bar-btn { color: var(--color-gold); font-weight: 700; display: flex; align-items: center; gap: 4px; }
.top-bar-btn:hover { color: #ffffff; }

/* Main Header */
.main-header { background-color: rgba(255,255,255,0.98); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 1000; box-shadow: var(--shadow-sm); }
.header-container { display: flex; justify-content: space-between; align-items: center; height: 82px; }
.brand-logo { display: flex; align-items: center; gap: 14px; }
.logo-mark { width: 46px; height: 46px; background: linear-gradient(135deg, var(--color-primary), #2a3442); color: var(--color-gold); font-family: var(--font-heading); font-weight: 800; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); border: 1.5px solid var(--color-gold); box-shadow: var(--shadow-gold); }
.logo-text { display: flex; flex-direction: column; }
.logo-title { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 800; letter-spacing: 1.5px; color: var(--color-primary); line-height: 1.1; }
.logo-sub { font-size: 0.68rem; font-weight: 700; letter-spacing: 1.2px; color: var(--color-gold); text-transform: uppercase; }

.nav-menu { display: flex; align-items: center; gap: 22px; }
.nav-link { font-weight: 600; font-size: 0.92rem; color: var(--color-text-main); position: relative; padding: 6px 0; }
.nav-link:hover, .nav-link.active { color: var(--color-gold); }
.nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2.5px; background-color: var(--color-gold); border-radius: 2px; }
.nav-link-painel { font-weight: 700; font-size: 0.8rem; background: var(--color-gold-light); color: var(--color-gold-hover); padding: 6px 14px; border-radius: 20px; border: 1px solid rgba(197, 160, 89, 0.4); display: flex; align-items: center; gap: 4px; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.btn-primary-header { background-color: var(--color-primary); color: #ffffff; padding: 11px 20px; font-size: 0.9rem; font-weight: 700; border-radius: var(--radius-sm); display: flex; align-items: center; gap: 8px; border: 1px solid var(--color-primary); box-shadow: var(--shadow-sm); }
.btn-primary-header:hover { background-color: var(--color-gold); border-color: var(--color-gold); color: #ffffff; transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.mobile-toggle span { width: 24px; height: 2.5px; background-color: var(--color-primary); border-radius: 2px; }
.mobile-nav { display: none; }
#mobileNavOverlay { display: none; }

/* Hero Section */
.hero-section { background: linear-gradient(180deg, #ffffff 0%, var(--color-bg) 100%); padding: 60px 0 70px; border-bottom: 1px solid var(--color-border); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--color-gold-light); color: var(--color-gold-hover); padding: 7px 16px; border-radius: 30px; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.8px; margin-bottom: 20px; border: 1px solid rgba(197, 160, 89, 0.3); }
.pulse-dot { width: 8px; height: 8px; background-color: var(--color-gold); border-radius: 50%; box-shadow: 0 0 0 0 rgba(197, 160, 89, 0.7); animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(197, 160, 89, 0.7); } 70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(197, 160, 89, 0); } 100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(197, 160, 89, 0); } }
.hero-title { font-family: var(--font-heading); font-size: 2.85rem; font-weight: 800; line-height: 1.15; color: var(--color-primary); margin-bottom: 20px; letter-spacing: -0.5px; }
.hero-title .highlight { color: var(--color-gold); }
.hero-subtitle { font-size: 1.1rem; color: var(--color-text-muted); line-height: 1.65; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.btn-hero-primary { background-color: var(--color-accent); color: #ffffff; font-weight: 800; font-size: 1.05rem; padding: 16px 26px; border-radius: var(--radius-sm); display: inline-flex; align-items: center; gap: 10px; box-shadow: 0 6px 18px rgba(37, 211, 102, 0.35); }
.btn-hero-primary:hover { background-color: #20ba5a; transform: translateY(-2px); color: #ffffff; box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45); }
.btn-hero-secondary { background-color: var(--color-surface); color: var(--color-primary); font-weight: 700; font-size: 0.98rem; padding: 16px 24px; border-radius: var(--radius-sm); border: 1.5px solid var(--color-border); display: inline-flex; align-items: center; gap: 8px; box-shadow: var(--shadow-sm); }
.btn-hero-secondary:hover { border-color: var(--color-gold); color: var(--color-gold); transform: translateY(-2px); }
.hero-stats { display: flex; gap: 36px; padding-top: 26px; border-top: 1px solid var(--color-border); }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; color: var(--color-primary); }
.stat-label { font-size: 0.82rem; color: var(--color-text-muted); font-weight: 600; }

.hero-image-wrapper { position: relative; }
.hero-card-featured { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); border: 4px solid #ffffff; }
.hero-architect-img { width: 100%; height: 530px; object-fit: cover; object-position: top center; }
.hero-floating-card { position: absolute; bottom: 20px; left: 20px; right: 20px; background: rgba(15, 20, 28, 0.92); backdrop-filter: blur(12px); border: 1px solid rgba(197, 160, 89, 0.45); padding: 16px 20px; border-radius: var(--radius-md); color: #ffffff; display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow-gold); }
.floating-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--color-gold); color: var(--color-primary); font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 1.05rem; flex-shrink: 0; }
.hero-floating-card strong { font-size: 0.98rem; color: var(--color-gold); display: block; }
.hero-floating-card p { font-size: 0.8rem; color: #cbd5e1; line-height: 1.35; margin-top: 2px; }

/* Portfolio Section */
.portfolio-section { padding: 70px 0 80px; background-color: #ffffff; border-bottom: 1px solid var(--color-border); }
.section-header { text-align: center; max-width: 820px; margin: 0 auto 44px; }
.section-tag { display: inline-block; color: var(--color-gold); font-size: 0.82rem; font-weight: 800; letter-spacing: 1.8px; margin-bottom: 10px; text-transform: uppercase; }
.section-title { font-family: var(--font-heading); font-size: 2.3rem; font-weight: 800; color: var(--color-primary); margin-bottom: 14px; letter-spacing: -0.3px; }
.section-desc { color: var(--color-text-muted); font-size: 1.05rem; line-height: 1.6; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 40px; }
.portfolio-card { position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 16/11; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); background: var(--color-primary); }
.portfolio-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.portfolio-card:hover img { transform: scale(1.08); }
.portfolio-overlay { position: absolute; bottom: 0; left: 0; width: 100%; padding: 20px; background: linear-gradient(180deg, transparent 0%, rgba(15, 20, 28, 0.95) 100%); color: #ffffff; }
.portfolio-overlay h4 { font-family: var(--font-heading); font-size: 1.1rem; color: var(--color-gold); margin-bottom: 3px; font-weight: 700; }
.portfolio-overlay span { font-size: 0.85rem; color: #cbd5e1; display: block; }
.portfolio-cta-center { text-align: center; }

/* Interactive Search Bar & Category Filter */
.search-filter-wrapper { background: #ffffff; padding: 24px 0 16px; border-bottom: 1px solid var(--color-border); position: sticky; top: 82px; z-index: 900; box-shadow: 0 4px 12px rgba(0,0,0,0.03); }
.search-input-box { max-width: 600px; margin: 0 auto 16px; position: relative; }
.search-input { width: 100%; padding: 14px 20px 14px 44px; border: 1.5px solid var(--color-border); border-radius: 30px; font-size: 0.95rem; font-family: inherit; transition: var(--transition); background: var(--color-bg); }
.search-input:focus { outline: none; border-color: var(--color-gold); background: #ffffff; box-shadow: var(--shadow-gold); }
.search-icon-pos { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); font-size: 1rem; color: var(--color-text-muted); }

.category-list { display: flex; gap: 8px; justify-content: center; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
.category-list::-webkit-scrollbar { display: none; }
.cat-pill { background: var(--color-surface); color: var(--color-text-main); font-size: 0.85rem; font-weight: 700; padding: 8px 18px; border-radius: 20px; border: 1px solid var(--color-border); white-space: nowrap; cursor: pointer; transition: var(--transition); }
.cat-pill:hover, .cat-pill.active { background: var(--color-primary); color: var(--color-gold); border-color: var(--color-primary); box-shadow: var(--shadow-sm); }

/* Articles Grid */
.articles-section { padding: 60px 0 80px; }
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.article-card { background: var(--color-card-bg); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: var(--transition); }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--color-gold); }
.card-image-wrap { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #e2e8f0; }
.card-image-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.article-card:hover .card-image-wrap img { transform: scale(1.06); }
.card-tag { position: absolute; top: 12px; left: 12px; background: rgba(15, 20, 28, 0.88); backdrop-filter: blur(6px); color: var(--color-gold); font-size: 0.72rem; font-weight: 800; padding: 5px 12px; border-radius: 14px; border: 1px solid rgba(197, 160, 89, 0.3); }
.card-body { padding: 24px; display: flex; flex-direction: column; flex-grow: 1; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.78rem; color: var(--color-text-muted); margin-bottom: 12px; font-weight: 600; }
.card-title { font-family: var(--font-heading); font-size: 1.18rem; font-weight: 700; color: var(--color-primary); line-height: 1.35; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-title a:hover { color: var(--color-gold); }
.card-excerpt { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.55; margin-bottom: 20px; flex-grow: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--color-border); }
.read-more-link { font-weight: 800; font-size: 0.88rem; color: var(--color-gold); display: flex; align-items: center; gap: 6px; }
.read-more-link:hover { color: var(--color-primary); transform: translateX(3px); }

/* Article Details Page (GEO & AEO Master Layout) */
.article-header { padding: 44px 0 34px; background: #ffffff; border-bottom: 1px solid var(--color-border); }
.breadcrumbs { display: flex; gap: 8px; font-size: 0.84rem; color: var(--color-text-muted); margin-bottom: 18px; flex-wrap: wrap; font-weight: 600; }
.breadcrumbs a:hover { color: var(--color-gold); }
.article-page-title { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800; color: var(--color-primary); line-height: 1.25; margin-bottom: 20px; letter-spacing: -0.5px; }
.article-meta-bar { display: flex; align-items: center; gap: 24px; font-size: 0.88rem; color: var(--color-text-muted); flex-wrap: wrap; }
.author-pill { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--color-primary); }
.author-avatar-mini { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; border: 2px solid var(--color-gold); box-shadow: var(--shadow-sm); }

.article-layout { display: grid; grid-template-columns: 1fr 360px; gap: 44px; padding: 44px 0 80px; align-items: start; }
.article-content { background: #ffffff; padding: 44px; border-radius: var(--radius-md); border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); }
.article-featured-image { width: 100%; height: auto; aspect-ratio: 16/9; max-height: 480px; object-fit: cover; border-radius: var(--radius-md); border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); margin-bottom: 34px; }

/* Direct Answer Box for AI Citation (AEO / GEO) */
.direct-answer-box { background: var(--color-gold-light); border-left: 5px solid var(--color-gold); padding: 24px 28px; border-radius: var(--radius-sm); margin-bottom: 30px; box-shadow: var(--shadow-sm); }
.direct-answer-badge { display: inline-block; font-weight: 800; font-size: 0.75rem; letter-spacing: 1.2px; color: var(--color-gold-hover); margin-bottom: 10px; text-transform: uppercase; }
.direct-answer-box p { font-size: 1.1rem; font-weight: 600; color: var(--color-primary); line-height: 1.65; margin: 0; }

/* Quick Summary Box */
.quick-summary-box { background: #f8fafc; border: 1px solid #e2e8f0; border-top: 4px solid var(--color-gold); border-radius: var(--radius-md); padding: 26px 30px; margin-bottom: 34px; box-shadow: var(--shadow-sm); }
.summary-header { font-family: var(--font-heading); font-weight: 800; font-size: 1.15rem; color: var(--color-primary); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.summary-list { list-style: none; display: flex; flex-direction: column; gap: 10px; padding: 0; margin: 0; }
.summary-list li { font-size: 0.98rem; color: #334155; line-height: 1.6; }

/* Table of Contents / Sumário */
.toc-box { background: #f8fafc; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px 28px; margin-bottom: 34px; }
.toc-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800; color: var(--color-primary); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.toc-list { list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 0.92rem; padding: 0; margin: 0; }
.toc-list li a { color: var(--color-text-muted); font-weight: 600; transition: var(--transition); }
.toc-list li a:hover { color: var(--color-gold); text-decoration: underline; }

/* Content Blocks & Typography */
.content-block { margin-bottom: 36px; }
.content-block h2, .article-body h2 { font-family: var(--font-heading); font-size: 1.75rem; font-weight: 800; color: var(--color-primary); margin: 38px 0 16px; border-bottom: 2px solid var(--color-gold-light); padding-bottom: 10px; letter-spacing: -0.3px; }
.content-block h3, .article-body h3 { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; color: var(--color-primary); margin: 26px 0 12px; }
.content-block p, .article-body p { margin-bottom: 18px; font-size: 1.05rem; color: #334155; line-height: 1.8; }
.sitemap-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px 18px; }
.sitemap-list a { display: block; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: #ffffff; color: var(--color-primary); font-weight: 700; line-height: 1.35; transition: var(--transition); }
.sitemap-list a:hover { border-color: var(--color-gold); background: var(--color-gold-light); color: var(--color-gold-hover); }
.sitemap-category { margin: 0 0 28px; padding: 22px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: #ffffff; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 18px; }
.related-card { display: flex; min-height: 138px; flex-direction: column; justify-content: space-between; gap: 10px; padding: 18px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: #ffffff; box-shadow: var(--shadow-sm); color: var(--color-primary); transition: var(--transition); }
.related-card:hover { transform: translateY(-2px); border-color: var(--color-gold); box-shadow: var(--shadow-md); }
.related-card strong { font-size: 1rem; line-height: 1.35; }
.related-category { color: var(--color-gold-hover); font-weight: 800; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.7px; }
.callout-box { background: #f0fdf4; border-left: 4px solid var(--color-accent); padding: 20px 24px; border-radius: var(--radius-sm); margin: 28px 0; }
.callout-box h4 { color: #166534; font-size: 1.05rem; margin-bottom: 6px; font-weight: 800; }
.styled-list, .check-list { margin: 20px 0 28px 24px; }
.styled-list li, .check-list li { margin-bottom: 12px; font-size: 1.02rem; color: #334155; }

/* Data Tables */
.table-block { margin: 36px 0; }
.table-intro { font-size: 0.98rem; color: var(--color-text-muted); margin-bottom: 14px; }
.table-responsive { overflow-x: auto; margin: 20px 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); background: #ffffff; }
.data-table, .article-data-table { width: 100%; border-collapse: separate; border-spacing: 0; text-align: left; font-size: 0.95rem; }
.data-table th, .article-data-table th { background: var(--color-primary); color: #ffffff; padding: 16px 20px; font-family: var(--font-heading); font-weight: 700; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 3px solid var(--color-gold); }
.data-table th:first-child, .article-data-table th:first-child { border-top-left-radius: var(--radius-md); }
.data-table th:last-child, .article-data-table th:last-child { border-top-right-radius: var(--radius-md); }
.data-table td, .article-data-table td { padding: 15px 20px; border-bottom: 1px solid var(--color-border); color: var(--color-text-main); font-weight: 500; font-size: 0.92rem; }
.data-table tr:last-child td, .article-data-table tr:last-child td { border-bottom: none; }
.data-table tr:nth-child(even), .article-data-table tr:nth-child(even) { background-color: #f8fafc; }
.data-table tr:hover, .article-data-table tr:hover { background-color: var(--color-gold-light); transition: var(--transition); }

/* Case Study Real Experience Box */
.case-study-box { background: linear-gradient(145deg, #0f141c 0%, #1a2332 100%); border: 1.5px solid var(--color-gold); border-radius: var(--radius-md); padding: 32px; margin: 38px 0; color: #ffffff; box-shadow: var(--shadow-gold); }
.case-badge { display: inline-block; font-size: 0.75rem; font-weight: 800; letter-spacing: 1.5px; color: var(--color-gold); margin-bottom: 12px; text-transform: uppercase; }
.case-study-box h3 { font-family: var(--font-heading); font-size: 1.35rem; color: #ffffff; margin-bottom: 16px; font-weight: 800; }
.case-study-box p { color: #cbd5e1; font-size: 0.98rem; line-height: 1.65; margin-bottom: 12px; }
.case-study-box p strong { color: var(--color-gold); }
.case-result { background: rgba(37, 211, 102, 0.12); border-left: 4px solid var(--color-accent); padding: 14px 18px; border-radius: var(--radius-sm); margin-top: 18px; color: #ffffff; font-size: 0.98rem; }
.case-result strong { color: #4ade80; }

/* Mistakes Block */
.mistakes-block { background: #fff7ed; border: 1.5px solid #fed7aa; border-left: 5px solid #ea580c; border-radius: var(--radius-md); padding: 28px; margin: 36px 0; }
.mistakes-block h2 { color: #9a3412 !important; border-bottom: none !important; margin-top: 0 !important; padding-bottom: 0 !important; font-size: 1.35rem !important; }
.mistakes-list { list-style: none; margin: 16px 0 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.mistakes-list li { color: #7c2d12; font-size: 0.98rem; line-height: 1.6; }

/* FAQs Accordion */
.faqs-section { margin: 44px 0 34px; }
.faqs-container { margin: 20px 0; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: 14px; overflow: hidden; }
.faq-question { padding: 18px 22px; font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); background: #ffffff; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-toggle { font-size: 0.85rem; color: var(--color-gold); transition: transform 0.3s ease; }
.faq-answer { padding: 18px 22px; background: #f8fafc; border-top: 1px solid var(--color-border); font-size: 0.98rem; color: var(--color-text-main); }

/* Sources Block */
.sources-block { background: #f8fafc; border: 1px dashed var(--color-border); border-radius: var(--radius-sm); padding: 20px 24px; margin-top: 36px; }
.sources-block h4 { font-size: 0.88rem; color: var(--color-primary); font-weight: 800; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.5px; }
.sources-list { list-style: none; display: flex; flex-direction: column; gap: 6px; padding: 0; margin: 0; }
.sources-list li { font-size: 0.84rem; color: #64748b; }

/* In-Article CTA & Author Bio */
.in-article-cta { background: linear-gradient(135deg, var(--color-primary), #1a2330); color: #ffffff; padding: 36px; border-radius: var(--radius-md); margin: 40px 0; border: 1px solid var(--color-gold); text-align: center; box-shadow: var(--shadow-gold); }
.cta-mini-tag { display: inline-block; font-size: 0.72rem; font-weight: 800; letter-spacing: 1.5px; color: var(--color-gold); margin-bottom: 10px; text-transform: uppercase; background: rgba(197, 160, 89, 0.15); padding: 4px 12px; border-radius: 12px; }
.in-article-cta h3 { color: var(--color-gold); font-size: 1.5rem; margin-bottom: 12px; font-family: var(--font-heading); font-weight: 800; }
.in-article-cta p { color: #cbd5e1; margin-bottom: 22px; font-size: 1.02rem; }
.btn-in-cta { background: var(--color-accent); color: #ffffff; padding: 15px 30px; border-radius: var(--radius-sm); font-weight: 800; font-size: 1rem; display: inline-block; box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4); text-decoration: none; }
.btn-in-cta:hover { background: #20ba5a; transform: translateY(-2px); }

.author-bio-card { display: flex; gap: 24px; padding: 30px; background: #f8fafc; border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-top: 44px; align-items: center; }
.bio-avatar { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; border: 2.5px solid var(--color-gold); flex-shrink: 0; box-shadow: var(--shadow-gold); }
.bio-content h3 { font-size: 1.2rem; color: var(--color-primary); margin-bottom: 4px; font-family: var(--font-heading); font-weight: 800; }
.bio-subtitle { font-size: 0.82rem; color: var(--color-gold); font-weight: 700; margin-bottom: 10px; }
.bio-text { font-size: 0.92rem; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 14px; }
.bio-links { display: flex; gap: 16px; font-size: 0.85rem; font-weight: 800; color: var(--color-gold); }

/* Sidebar Widgets */
.article-sidebar { position: sticky; top: 100px; }
.sidebar-widget { background: #ffffff; padding: 26px; border-radius: var(--radius-md); border: 1px solid var(--color-border); margin-bottom: 28px; box-shadow: var(--shadow-sm); }
.widget-badge { display: inline-block; font-size: 0.72rem; font-weight: 800; color: var(--color-gold); letter-spacing: 1px; margin-bottom: 8px; text-transform: uppercase; }
.sidebar-widget h3, .sidebar-widget h4 { font-family: var(--font-heading); color: var(--color-primary); margin-bottom: 10px; font-weight: 800; }
.btn-sidebar-wa { display: block; text-align: center; background: var(--color-accent); color: #ffffff; font-weight: 800; padding: 14px; border-radius: var(--radius-sm); margin: 16px 0 10px; box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3); text-decoration: none; }
.btn-sidebar-calc { display: block; text-align: center; background: var(--color-primary); color: #ffffff; font-weight: 800; padding: 14px; border-radius: var(--radius-sm); margin-top: 14px; text-decoration: none; }

/* Interactive Tools */
.calculator-tool-box, .quiz-box { background: #ffffff; padding: 44px; border-radius: var(--radius-lg); border: 1px solid var(--color-border); box-shadow: var(--shadow-md); max-width: 860px; margin: 40px auto; }
.calc-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 28px 0; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-weight: 700; font-size: 0.92rem; color: var(--color-primary); }
.form-control { padding: 14px 16px; border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); font-size: 0.98rem; font-family: inherit; }
.form-control:focus { outline: none; border-color: var(--color-gold); box-shadow: var(--shadow-gold); }
.calc-result-box { background: var(--color-gold-light); border: 1.5px solid var(--color-gold); padding: 28px; border-radius: var(--radius-md); margin-top: 28px; text-align: center; }
.calc-result-title { font-size: 0.92rem; font-weight: 800; color: var(--color-gold-hover); letter-spacing: 0.5px; }
.calc-result-val { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: var(--color-primary); margin: 10px 0; }

/* Quiz Components */
.quiz-options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.quiz-card-opt { background: #ffffff; border: 2px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; cursor: pointer; transition: var(--transition); display: flex; flex-direction: column; gap: 10px; text-align: left; }
.quiz-card-opt:hover { border-color: var(--color-gold); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.quiz-card-opt.selected { border-color: var(--color-gold); background: var(--color-gold-light); box-shadow: var(--shadow-gold); }
.quiz-opt-icon { font-size: 2.4rem; line-height: 1; display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; background: #f8fafc; border-radius: 14px; border: 1px solid var(--color-border); margin-bottom: 4px; }
.quiz-card-opt.selected .quiz-opt-icon { background: #ffffff; border-color: var(--color-gold); box-shadow: 0 4px 10px rgba(197, 160, 89, 0.2); }
.quiz-opt-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800; color: var(--color-primary); }
.quiz-opt-desc { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.5; }
.quiz-badge-step { display: inline-block; font-size: 0.78rem; font-weight: 800; color: var(--color-gold-hover); background: var(--color-gold-light); padding: 6px 14px; border-radius: 20px; margin-bottom: 14px; border: 1px solid var(--color-gold); letter-spacing: 0.5px; }

/* Global CTA & Footer */
.global-cta-section { background: var(--color-primary); color: #ffffff; padding: 65px 0; border-top: 1px solid rgba(255,255,255,0.1); }
.global-cta-box { display: flex; justify-content: space-between; align-items: center; gap: 36px; }
.global-cta-box h2 { font-family: var(--font-heading); font-size: 2.1rem; color: var(--color-gold); margin-bottom: 10px; font-weight: 800; }
.global-cta-box p { color: #cbd5e1; font-size: 1.05rem; max-width: 620px; }
.btn-cta-gold { background: var(--color-gold); color: #ffffff; font-weight: 800; font-size: 1.08rem; padding: 16px 30px; border-radius: var(--radius-sm); display: inline-flex; align-items: center; gap: 10px; box-shadow: var(--shadow-gold); }
.btn-cta-gold:hover { background: var(--color-gold-hover); transform: translateY(-2px); }

.site-footer { background: #080b0f; color: #94a3b8; padding: 70px 0 0; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 0.9fr 1fr 1fr; gap: 40px; padding-bottom: 55px; }
.footer-col h4 { font-family: var(--font-heading); color: #ffffff; font-size: 1.05rem; margin-bottom: 20px; letter-spacing: 0.5px; font-weight: 800; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a:hover { color: var(--color-gold); }
.footer-map-btn { display: inline-block; color: var(--color-gold); font-weight: 700; margin-top: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 26px 0; font-size: 0.82rem; text-align: center; }
.footer-disclaimer { margin-top: 6px; color: #64748b; font-size: 0.78rem; }

/* Sticky Floating Mobile WhatsApp Bar */
.sticky-whatsapp-bar { position: fixed; bottom: 0; left: 0; width: 100%; background: rgba(15, 20, 28, 0.98); backdrop-filter: blur(12px); border-top: 1.5px solid var(--color-gold); padding: 12px 24px; z-index: 9999; color: #ffffff; box-shadow: 0 -4px 20px rgba(0,0,0,0.25); }
.sticky-content { max-width: 1240px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.sticky-text strong { display: block; font-size: 0.95rem; color: var(--color-gold); }
.sticky-text span { font-size: 0.8rem; color: #cbd5e1; }
.sticky-actions { display: flex; gap: 12px; }
.sticky-btn-calc { background: #1e293b; color: #ffffff; padding: 10px 16px; border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 700; border: 1px solid rgba(255,255,255,0.15); }
.sticky-btn-wa { background: var(--color-accent); color: #ffffff; padding: 10px 20px; border-radius: var(--radius-sm); font-size: 0.88rem; font-weight: 800; display: flex; align-items: center; gap: 8px; box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4); }

/* Responsive Media Queries */
/* ============================================================
   RESPONSIVE — TABLET (≤992px)
   ============================================================ */
@media (max-width: 992px) {
    .container { padding: 0 20px; }
    .hero-section { padding: 44px 0 52px; }
    .hero-grid { grid-template-columns: 1fr; gap: 36px; }
    .hero-image-wrapper { order: -1; }
    .hero-architect-img { height: 340px; }
    .hero-title { font-size: 2.4rem; }
    .hero-stats { gap: 22px; }
    .stat-number { font-size: 1.35rem; }
    .portfolio-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .articles-grid { grid-template-columns: 1fr 1fr; gap: 18px; }
    .article-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .global-cta-box { flex-direction: column; text-align: center; gap: 20px; }
    .global-cta-box .btn-hero-primary { align-self: center; }
    .header-actions .btn-primary-header { display: none; }
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }
    .calc-form-grid { grid-template-columns: 1fr 1fr; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .article-card-img { height: 180px; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤640px)
   ============================================================ */
@media (max-width: 640px) {
    /* Layout */
    .container { padding: 0 16px; }

    /* Top bar */
    .top-bar { padding: 6px 0; font-size: 0.75rem; }
    .top-bar-contact span { display: none; }
    .top-bar-location { font-size: 0.72rem; }

    /* Header */
    .main-header { position: sticky; top: 0; z-index: 1000; }
    .header-container { height: 64px; }
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }
    .header-actions .btn-primary-header { display: none; }
    .logo-title { font-size: 1rem; letter-spacing: 0.8px; }
    .logo-sub { font-size: 0.6rem; }
    .logo-mark { width: 38px; height: 38px; font-size: 1rem; }

    /* Mobile Nav Drawer */
    .mobile-nav { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--color-primary); z-index: 99999; display: none; flex-direction: column; padding: 24px 20px; overflow-y: auto; }
    .mobile-nav.open { display: flex !important; }
    .mobile-nav-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
    .mobile-nav-links { display: flex; flex-direction: column; gap: 4px; flex: 1; }
    .mobile-nav-links a { color: #ffffff; font-size: 1.05rem; font-weight: 600; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.06); display: flex; align-items: center; gap: 10px; }
    .mobile-nav-links a:last-child { border-bottom: none; }
    .mobile-nav-links a:hover { color: var(--color-gold); }
    .mobile-nav-cta { margin-top: 24px; padding-top: 16px; }
    .mobile-nav-cta a { display: flex; align-items: center; justify-content: center; background: var(--color-accent); color: #ffffff; text-align: center; padding: 16px; border-radius: var(--radius-sm); font-weight: 800; font-size: 1.05rem; box-shadow: 0 4px 14px rgba(37,211,102,0.4); }

    /* Hero */
    .hero-section { padding: 32px 0 40px; }
    .hero-image-wrapper { order: -1; }
    .hero-architect-img { height: 260px; object-position: top center; }
    .hero-title { font-size: 1.85rem; line-height: 1.2; margin-bottom: 14px; }
    .hero-subtitle { font-size: 0.97rem; margin-bottom: 22px; }
    .hero-badge { font-size: 0.72rem; padding: 5px 12px; }
    .hero-actions { flex-direction: column; gap: 10px; }
    .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; padding: 14px 20px; font-size: 0.97rem; }
    .hero-stats { gap: 16px; flex-wrap: wrap; padding-top: 18px; }
    .stat-number { font-size: 1.3rem; }
    .stat-label { font-size: 0.74rem; }
    .hero-floating-card { padding: 12px 14px; gap: 10px; }
    .hero-floating-card strong { font-size: 0.88rem; }
    .hero-floating-card p { font-size: 0.73rem; }
    .floating-avatar { width: 36px; height: 36px; font-size: 0.9rem; }

    /* Sections general */
    .section-header { margin-bottom: 28px; }
    .section-title { font-size: 1.65rem; }
    .section-subtitle { font-size: 0.93rem; }
    .portfolio-section, .articles-section, .calc-section, .quiz-section { padding: 44px 0 52px; }

    /* Portfolio */
    .portfolio-grid { grid-template-columns: 1fr; gap: 14px; }
    .portfolio-item { border-radius: var(--radius-md); }
    .portfolio-item-img { height: 220px; }
    .portfolio-overlay { padding: 16px; }
    .portfolio-overlay h3 { font-size: 1rem; }

    /* Articles grid */
    .articles-grid { grid-template-columns: 1fr; gap: 16px; }
    .article-card { flex-direction: column; }
    .article-card-img { height: 200px; border-radius: var(--radius-md) var(--radius-md) 0 0; }
    .article-card-body { padding: 16px; }
    .article-card-title { font-size: 0.97rem; }
    .article-card-excerpt { font-size: 0.85rem; -webkit-line-clamp: 2; }
    .article-card-meta { font-size: 0.75rem; }

    /* Article page */
    .article-layout { grid-template-columns: 1fr; gap: 24px; }
    .article-featured-image { height: 220px; max-height: 220px; border-radius: var(--radius-md); object-fit: cover; }
    .article-page-title { font-size: 1.55rem; }
    .article-sidebar { display: none; }
    .article-content h2 { font-size: 1.25rem; }
    .article-content h3 { font-size: 1.05rem; }
    .article-content p, .article-content li { font-size: 0.95rem; }
    .article-data-table { display: block; overflow-x: auto; white-space: nowrap; font-size: 0.85rem; }

    /* Calculator */
    .calc-section { padding: 40px 0 48px; }
    .calc-form-grid { grid-template-columns: 1fr; gap: 14px; }
    .calc-result-box { padding: 20px 16px; }
    .calc-result-value { font-size: 2rem; }

    /* Quiz */
    .quiz-section { padding: 40px 0 48px; }
    .quiz-card { padding: 24px 16px; border-radius: var(--radius-md); }
    .quiz-options-grid { grid-template-columns: 1fr 1fr !important; gap: 10px; }
    .quiz-card-opt { padding: 12px 8px; gap: 6px; }
    .quiz-opt-icon { font-size: 1.5rem; width: 40px; height: 40px; }
    .quiz-opt-title { font-size: 0.95rem; }
    .quiz-opt-desc { font-size: 0.78rem; }

    /* CTA */
    .global-cta-section { padding: 48px 0; }
    .global-cta-box { flex-direction: column; padding: 28px 20px; gap: 18px; text-align: center; border-radius: var(--radius-md); }
    .cta-title { font-size: 1.5rem; }
    .cta-subtitle { font-size: 0.93rem; }
    .global-cta-box .btn-hero-primary { width: 100%; justify-content: center; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-brand { max-width: 100%; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; font-size: 0.78rem; }
    .footer-links-list { gap: 8px; }
    .footer-title { font-size: 0.92rem; }
    .footer-link { font-size: 0.85rem; }

    /* Sticky bar */
    .sticky-bar { padding: 10px 16px; }
    .sticky-text { display: none; }
    .sticky-actions { width: 100%; justify-content: space-between; gap: 8px; }
    .sticky-actions a { flex: 1; text-align: center; font-size: 0.82rem; padding: 10px 8px; }

    /* Services */
    .services-grid { grid-template-columns: 1fr; gap: 14px; }
    .service-card { padding: 20px 16px; }

    /* Breadcrumb */
    .breadcrumb { font-size: 0.78rem; padding: 8px 0; flex-wrap: wrap; }

    /* Forms */
    .contact-form input, .contact-form select, .contact-form textarea { font-size: 0.95rem; padding: 12px 14px; }
    .contact-form textarea { min-height: 100px; }
    .contact-form .btn-submit { width: 100%; padding: 14px; font-size: 1rem; }

    /* Section tags */
    .section-tag { font-size: 0.73rem; }

    /* Load more btn */
    #loadMoreWrap { margin-top: 24px; }
    #loadMoreWrap button { width: 100%; padding: 14px; }
}

/* ============================================================
   RESPONSIVE — SMALL PHONES (≤390px)
   ============================================================ */
@media (max-width: 390px) {
    .hero-title { font-size: 1.6rem; }
    .hero-architect-img { height: 220px; }
    .stat-number { font-size: 1.1rem; }
    .quiz-options-grid { grid-template-columns: 1fr !important; }
    .article-card-img { height: 180px; }
    .portfolio-item-img { height: 190px; }
    .logo-title { font-size: 0.9rem; }
    .header-container { height: 58px; }
    .section-title { font-size: 1.45rem; }
    .calc-result-value { font-size: 1.75rem; }
}