/* =============================================
   INSIGHTS PAGE - Art To Lead
   ============================================= */

:root {
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-300: #93c5fd;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-800: #1e40af;
    --blue-900: #1e3a8a;
    --blue-950: #0f1d4a;
    --cream: #f9f7f0;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
}


/* =============================================
   1. HERO
   ============================================= */
.insights-hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--blue-950);
}

.insights-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.insights-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
}

.insights-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        rgba(15,29,74,0.15) 0%,
        rgba(15,29,74,0.4) 30%,
        rgba(15,29,74,0.82) 65%,
        rgba(15,29,74,1) 100%);
}

.insights-hero .container {
    position: relative;
    z-index: 2;
    padding-bottom: 70px;
}

@media (min-width: 768px) {
    .insights-hero .container { padding-bottom: 100px; }
}

/* Breadcrumb */
.insights-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.insights-breadcrumb a {
    color: var(--blue-300);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
}

.insights-breadcrumb a:hover { color: #ffffff; }

.insights-breadcrumb .current {
    color: var(--blue-400);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
}

.insights-breadcrumb .sep {
    color: rgba(147,197,253,0.4);
    font-size: 10px;
}

/* Hero Title */
.insights-hero .section-title h1 {
    color: #ffffff;
    font-weight: 300;
    font-size: 32px;
    line-height: 1.1;
    letter-spacing: -0.02em;
    max-width: 800px;
}

.insights-hero .section-title h1 .text-blue-accent {
    color: var(--blue-400);
    font-weight: 600;
}

@media (min-width: 768px) {
    .insights-hero .section-title h1 { font-size: 50px; }
}

@media (min-width: 1200px) {
    .insights-hero .section-title h1 { font-size: 62px; }
}

.insights-hero .section-sub-title {
    color: #ffffff;
}

.insights-hero .section-title p {
    color: rgba(255,255,255,0.5);
    font-size: 16px;
    line-height: 1.75;
    max-width: 640px;
    margin-top: 20px;
}

/* Decorative */
.insights-deco-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 767px) {
    .insights-hero { min-height: 75vh; }
    .insights-hero .section-title h1 { font-size: 28px; }
}

@media (min-width: 576px) and (max-width: 767px) {
    .insights-hero .section-title h1 { font-size: 38px; }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .insights-hero .section-title h1 { font-size: 46px; }
}


/* =============================================
   2. SECTION TITLE
   ============================================= */
.section-sub-title {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #1dacac;
    margin-bottom: 12px;
    font-family: 'Geist', sans-serif;
}

.section-title h2 {
    color: var(--blue-900);
    font-weight: 600;
    line-height: 1.12;
    letter-spacing: -0.02em;
    font-size: 28px;
}

@media (min-width: 768px) {
    .section-title h2 { font-size: 38px; }
}

@media (min-width: 1200px) {
    .section-title h2 { font-size: 44px; }
}

.section-title p {
    color: var(--gray-500);
    font-size: 15px;
    line-height: 1.7;
    margin-top: 14px;
}

.text-blue-accent {color: #1dacac;}
.highlight-blue { color: var(--blue-600); font-weight: 600; }


/* =============================================
   3. SECTION SPACING
   ============================================= */
.insights-section-py {
    padding: 80px 0;
}

@media (min-width: 768px) {
    .insights-section-py { padding: 100px 0; }
}

@media (min-width: 1200px) {
    .insights-section-py {padding: 60px 0;}
}

@media (max-width: 767px) {
    .insights-section-py { padding: 60px 0; }
}


/* =============================================
   4. FEATURED ARTICLE
   ============================================= */
.featured-article-card {
    background: #ffffff;
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.5s ease;
}

.featured-article-card:hover {
    border-color: var(--blue-400);
    box-shadow: 0 20px 60px rgba(37,99,235,0.08);
}

.featured-article-image {
    position: relative;
    height: 320px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .featured-article-image { height: 400px; }
}

.featured-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.featured-article-card:hover .featured-article-image img {
    transform: scale(1.04);
}

.featured-article-image .featured-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 50px;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blue-700);
    font-family: 'Geist', sans-serif;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.featured-article-body {
    padding: 32px;
}

@media (min-width: 768px) {
    .featured-article-body { padding: 40px; }
}

.featured-article-body .source-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1dacac;
    font-family: 'Geist', sans-serif;
    margin-bottom: 16px;
}

.featured-article-body h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--blue-900);
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .featured-article-body h3 { font-size: 28px; }
}

.featured-article-body .article-desc {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.75;
    margin-bottom: 24px;
}

.featured-article-body .read-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--blue-600);
    text-decoration: none;
    transition: all 0.3s ease;
}

.featured-article-body .read-link:hover {
    gap: 12px;
    color: var(--blue-700);
}


/* =============================================
   5. VIDEO LIBRARY
   ============================================= */
.video-embed-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    background: #ffffff;
    transition: all 0.4s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.04);
}

.video-embed-card:hover {
    border-color: var(--blue-400);
    box-shadow: 0 12px 40px rgba(37,99,235,0.08);
    transform: translateY(-3px);
}

.video-embed-footer {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.video-embed-footer h6 {
    font-size: 14px;
    font-weight: 600;
    color: var(--blue-900);
    margin: 0;
}

.video-embed-footer .sub {
    font-size: 12px;
    color: var(--gray-400);
    margin: 3px 0 0;
}

.video-embed-footer .link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--blue-600);
    text-decoration: none;
    white-space: nowrap;
    transition: gap 0.3s;
}

.video-embed-footer .link:hover { gap: 10px; }

/* Channel link */
.channel-link-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 28px;
    background: var(--blue-50);
    border: 1px solid var(--blue-100);
    border-radius: 14px;
    margin-top: 32px;
    transition: all 0.3s ease;
}

.channel-link-box:hover {
    background: var(--blue-100);
    border-color: var(--blue-200);
}

.channel-link-box .clb-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.channel-link-box .clb-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid var(--blue-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff0000;
    flex-shrink: 0;
}

.channel-link-box .clb-text h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--blue-900);
    margin-bottom: 2px;
}

.channel-link-box .clb-text p {
    font-size: 12px;
    color: var(--gray-500);
    margin: 0;
}

.channel-link-box .clb-arrow {
    color: var(--blue-600);
    transition: transform 0.3s;
}

.channel-link-box:hover .clb-arrow {
    transform: translateX(4px);
}


/* =============================================
   6. PERSPECTIVE CARDS (PLACEHOLDER)
   ============================================= */
.perspective-card {
    background: #ffffff;
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.4s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    opacity: 1;
}

.perspective-card:hover {
    border-color: var(--blue-400);
    box-shadow: 0 12px 40px rgba(37,99,235,0.08);
    transform: translateY(-3px);
}

.perspective-card .pc-topic {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue-500);
    font-family: 'Geist', sans-serif;
    margin-bottom: 12px;
}

.perspective-card h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--blue-900);
    line-height: 1.4;
    margin-bottom: 10px;
}

.perspective-card .pc-excerpt {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.65;
    flex-grow: 1;
}

.perspective-card .pc-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--blue-600);
    text-decoration: none;
    margin-top: 14px;
    transition: gap 0.3s;
}

.perspective-card .pc-link:hover { gap: 10px; }

/* Placeholder variant */
.perspective-card.placeholder {
    border-style: dashed;
    border-color: #959595;
    background: #ffffff;
}

.perspective-card.placeholder:hover {
    border-color: var(--blue-300);
    box-shadow: none;
    transform: none;
}

.perspective-card.placeholder .pc-topic {
    color: #1dacac;
}

.perspective-card.placeholder h4 {
    color: #1e3a8a;
    font-weight: 500;
}

.perspective-card.placeholder .pc-excerpt {
    color: #77797a;
}

/* Phase two badge */
.phase-two-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: rgba(37,99,235,0.06);
    border: 1px solid rgba(37,99,235,0.12);
    color: var(--blue-400);
    font-family: 'Geist', sans-serif;
}


/* =============================================
   7. NEWSLETTER
   ============================================= */
.newsletter-section {
    background: var(--blue-950);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.newsletter-section .section-title h2 {
    color: #ffffff;
}

.newsletter-section .section-sub-title {
    color: var(--blue-400);
}

.newsletter-box {
    max-width: 560px;
    margin: 0 auto;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.newsletter-form input {
    flex-grow: 1;
    padding: 14px 18px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    font-size: 14px;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: all 0.3s;
}

.newsletter-form input:focus {
    border-color: var(--blue-400);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.25);
}

.newsletter-form button {
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(37,99,235,0.3);
}

.newsletter-consent {
    font-size: 11px;
    color: rgba(255,255,255,0.25);
    line-height: 1.5;
    margin-top: 12px;
}

@media (max-width: 575px) {
    .newsletter-form {
        flex-direction: column;
    }
    .newsletter-form button {
        width: 100%;
        justify-content: center;
    }
}


/* =============================================
   8. ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.06; transform: scale(1); }
    50% { opacity: 0.1; transform: scale(1.03); }
}

.text-anime-style-3 {
    opacity: 0;
    transform: translateY(20px);
}

.text-anime-style-3.animated {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease-out;
}