/* Varuna Sentinels at APM 2026 Singapore Blog Post Stylesheet */
/* Version: 2.0.0 */
/* Hero Section + Modern Design with Animations and Responsive Layout */

/* ===== CSS VARIABLES ===== */
:root {
    --primary-color: #1a5276;
    --secondary-color: #154360;
    --accent-color: #1abc9c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-bg: #f8f9fa;
    --dark-text: #1a1a1a;
    --light-text: #666666;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, #eaf2f8 0%, #d5dbdb 100%);
    padding: 80px 20px;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(26, 82, 118, 0.1) 0%, transparent 50%);
    pointer-events: none;
}
.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 1;
}
.hero-text { animation: fadeInLeftHero 0.8s ease-out; }
@keyframes fadeInLeftHero {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}
.hero-title {
    font-family: 'Poppins', 'Montserrat', sans-serif;
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-family: 'Poppins', 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 20px;
}
.hero-description {
    font-size: 15px;
    color: var(--light-text);
    margin-bottom: 20px;
    line-height: 1.8;
}
.hero .cta-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 14px 40px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}
.hero .cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.hero-image { animation: fadeInRightHero 0.8s ease-out; }
@keyframes fadeInRightHero {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}
.banner-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}
.banner-img:hover { transform: scale(1.03); }

/* Hero responsive */
@media (max-width: 768px) {
    .hero { padding: 50px 15px; min-height: auto; }
    .hero-content { grid-template-columns: 1fr; gap: 30px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 18px; }
    .hero-description { font-size: 14px; }
    .hero .cta-button { padding: 12px 30px; font-size: 14px; }
}
@media (max-width: 480px) {
    .hero { padding: 30px 10px; }
    .hero-title { font-size: 24px; }
    .hero-subtitle { font-size: 16px; }
}

/* ===== SECTION STYLES (for content-section / overview) ===== */
.content-section, .overview-section { padding: 60px 20px; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-title {
    font-family: 'Poppins', 'Montserrat', sans-serif;
    font-size: 32px; font-weight: 700; color: var(--dark-text);
    display: flex; align-items: center; justify-content: center; gap: 12px;
}
.icon-accent { color: var(--primary-color); font-size: 28px; }
.title-underline {
    width: 80px; height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 15px auto 0; border-radius: 2px;
}
.cta-button-large {
    display: inline-block; padding: 14px 40px;
    font-size: 16px; font-weight: 700; border-radius: 30px;
    cursor: pointer; text-transform: uppercase; letter-spacing: 1px;
    transition: all 0.3s ease; box-shadow: var(--shadow-md); border: none;
}
.cta-button-large:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== BASE STYLES ===== */
* { box-sizing: border-box; }
body {
    font-family: 'Open Sans', Arial, sans-serif;
    line-height: 1.8; color: #333; margin: 0; padding: 0;
    background-color: #f9f9f9; overflow-x: hidden;
}
.page-container {
    max-width: 1140px; margin: 0 auto; padding: 2vw 3vw;
    background-color: #fff; box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
header { margin-bottom: 10px; text-align: left; padding: 10px 0; }

/* ===== MAIN BANNER IMAGE ===== */
.main-banner-image {
    width: 100%; height: auto; display: block; margin-bottom: 20px;
    border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}
.main-banner-image:hover { transform: scale(1.02); }

/* ===== MAIN CONTENT AREA ===== */
main { padding: 0; }
section { margin-bottom: 40px; }

/* ===== TITLE SECTION ===== */
.title-section {
    width: 100%; max-width: 1200px; margin: 0 auto; padding: 10px;
}
.title-section img {
    width: 100%; max-height: 1500px; height: auto; object-fit: contain;
}
.main-title {
    font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    font-weight: 600; font-size: 14pt; color: #1a5276;
    margin-top: 0; margin-bottom: 20px;
    display: flex; align-items: center; line-height: 1.4;
}
.heading-icon { width: 32px; height: 32px; margin-right: 15px; vertical-align: middle; color: #1a5276; }
.heading-icon-small { width: 24px; height: 24px; margin-right: 12px; vertical-align: middle; color: #1a5276; }

/* ===== INTRO SECTION ===== */
.intro-section {
    background: linear-gradient(135deg, #eaf2f8 0%, #e8f6f3 100%);
    padding: 30px; border-radius: 8px; border-left: 5px solid #1a5276;
}
.intro-text-main { font-size: 16pt; line-height: 1.8; color: #333; margin-bottom: 15px; }

/* ===== SECTION HEADINGS ===== */
section h2 {
    font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    font-weight: 700; font-size: 22pt; color: #1a5276;
    margin-bottom: 20px; display: flex; align-items: center;
    border-bottom: 2px solid #1a5276; padding-bottom: 10px;
}
section h3 {
    font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    font-weight: 600; font-size: 16pt; color: #1a5276;
    margin-bottom: 12px; display: flex; align-items: center;
}

/* ===== SOLUTION CARDS ===== */
.solution-card {
    background: #fff; border: 2px solid #e0e0e0; border-radius: 10px;
    padding: 25px; margin-bottom: 25px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease; position: relative; overflow: hidden;
}
.solution-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, #1a5276, #2e86c1);
}
.solution-card:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    transform: translateY(-5px); border-color: #1a5276;
}
.card-1::before { background: linear-gradient(90deg, #1a5276, #2e86c1); }
.card-2::before { background: linear-gradient(90deg, #148f77, #1abc9c); }
.card-3::before { background: linear-gradient(90deg, #b7950b, #f1c40f); }
.card-4::before { background: linear-gradient(90deg, #922b21, #e74c3c); }
.card-5::before { background: linear-gradient(90deg, #6c3483, #8e44ad); }
.card-6::before { background: linear-gradient(90deg, #1a5276, #2980b9); }
.card-7::before { background: linear-gradient(90deg, #117a65, #16a085); }
.card-8::before { background: linear-gradient(90deg, #d35400, #e67e22); }

.solution-header { display: flex; align-items: flex-start; margin-bottom: 15px; }
.solution-number {
    display: inline-flex; align-items: center; justify-content: center;
    width: 50px; height: 50px; background: linear-gradient(135deg, #1a5276, #2e86c1);
    color: white; font-size: 24pt; font-weight: 700; border-radius: 50%;
    margin-right: 15px; flex-shrink: 0;
}
.card-2 .solution-number { background: linear-gradient(135deg, #148f77, #1abc9c); }
.card-3 .solution-number { background: linear-gradient(135deg, #b7950b, #f1c40f); }
.card-4 .solution-number { background: linear-gradient(135deg, #922b21, #e74c3c); }
.card-5 .solution-number { background: linear-gradient(135deg, #6c3483, #8e44ad); }
.card-6 .solution-number { background: linear-gradient(135deg, #1a5276, #2980b9); }
.card-7 .solution-number { background: linear-gradient(135deg, #117a65, #16a085); }
.card-8 .solution-number { background: linear-gradient(135deg, #d35400, #e67e22); }

.solution-header h3 { margin: 0; flex: 1; }
.solution-tagline { font-size: 14pt; font-style: italic; color: #666; margin-bottom: 15px; }
.benefit-text {
    background: #f5f5f5; padding: 15px; border-radius: 6px;
    margin-top: 15px; font-size: 13pt; border-left: 4px solid #148f77;
}
.benefit-text i { color: #148f77; margin-right: 8px; }

/* ===== LIST STYLES ===== */
ul.custom-list { list-style: none; padding-left: 25px; margin: 15px 0; }
ul.custom-list li {
    margin-bottom: 12px; padding-left: 30px; position: relative;
    font-size: 14pt; line-height: 1.6;
}
ul.dot-list li::before {
    content: "\2022"; color: #1a5276; font-weight: bold;
    display: inline-block; width: 1em; margin-left: -1em;
    position: absolute; left: 0; top: 2px; font-size: 18pt;
}

/* ===== EVENT DETAILS BOX ===== */
.event-details-box {
    background: linear-gradient(135deg, #eaf2f8 0%, #fdf2e9 100%);
    border-radius: 10px; padding: 30px; margin: 25px 0;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px;
}
.event-detail-item { display: flex; align-items: flex-start; gap: 15px; }
.event-icon { font-size: 28pt; color: #1a5276; flex-shrink: 0; margin-top: 5px; }
.event-detail-text { flex: 1; }
.event-detail-text strong { font-size: 15pt; color: #333; display: block; }
.cta-text {
    font-size: 15pt; font-style: italic; color: #555; margin-top: 20px;
    padding: 15px; background: #fafafa; border-radius: 6px;
    border-left: 4px solid #1a5276;
}

/* ===== EXPERIENCE SECTION ===== */
.experience-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px; margin: 25px 0;
}
.experience-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #eaf2f8 100%);
    border: 2px solid #d5dbdb; border-radius: 10px; padding: 25px;
    transition: all 0.3s ease;
}
.experience-card:hover {
    border-color: #1a5276; box-shadow: 0 6px 15px rgba(26,82,118,0.15);
    transform: translateY(-3px);
}
.experience-card h4 {
    font-family: 'Montserrat', sans-serif; font-weight: 600;
    font-size: 14pt; color: #1a5276; margin-bottom: 10px;
}
.experience-card p { font-size: 13pt; color: #555; line-height: 1.6; }
.experience-icon { font-size: 28pt; color: #1a5276; margin-bottom: 12px; }

/* ===== FUTURE BENEFITS SECTION ===== */
.future-benefits {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px; margin: 30px 0;
}
.benefit-item {
    background: linear-gradient(135deg, #eaf2f8 0%, #e8f6f3 100%);
    border: 2px solid #1a5276; border-radius: 10px; padding: 25px;
    text-align: center; transition: all 0.3s ease; cursor: pointer;
}
.benefit-item:hover {
    background: linear-gradient(135deg, #1a5276, #2e86c1);
    color: white; border-color: #154360; transform: translateY(-5px);
}
.benefit-item:hover .benefit-icon { color: white; }
.benefit-icon { font-size: 32pt; color: #1a5276; margin-bottom: 15px; transition: all 0.3s ease; }
.benefit-item p { font-size: 14pt; font-weight: 600; margin: 0; }
.closing-text {
    font-size: 15pt; color: #555; margin-top: 25px; padding: 20px;
    background: #fef9e7; border-radius: 6px; border-left: 4px solid #b7950b;
}

/* ===== CTA SECTION ===== */
.cta-section { margin-top: 40px; }
.cta-box {
    background: linear-gradient(135deg, #1a5276, #154360);
    color: white; padding: 40px; border-radius: 10px; text-align: center;
    box-shadow: 0 8px 20px rgba(26,82,118,0.3);
}
.cta-box h3 { font-size: 14pt; color: white; margin-bottom: 15px; border: none; }
.cta-box p { font-size: 14pt; margin-bottom: 25px; }
.cta-button {
    border-radius: 20px; background: #1abc9c; color: white;
    font-weight: bold; text-transform: uppercase; font-size: 12px;
    padding: 10px 14px; transition: background 0.3s ease;
}
.cta-button:hover { background: #16a085; color: white; text-decoration: none; }

/* ===== ANIMATION CLASSES ===== */
.fade-in-animation { opacity: 0; animation: fadeIn 0.8s ease-out forwards; }
.fade-in-animation:nth-child(1) { animation-delay: 0.1s; }
.fade-in-animation:nth-child(2) { animation-delay: 0.2s; }
.fade-in-animation:nth-child(3) { animation-delay: 0.3s; }
.fade-in-animation:nth-child(4) { animation-delay: 0.4s; }
.slide-in-animation { opacity: 0; animation: slideUp 0.8s ease-out forwards; }
.slide-in-animation:nth-child(1) { animation-delay: 0.2s; }
.slide-in-animation:nth-child(2) { animation-delay: 0.4s; }
.slide-in-animation:nth-child(3) { animation-delay: 0.6s; }
.slide-in-animation:nth-child(4) { animation-delay: 0.8s; }
.pulse-animation { animation: pulse 2s ease-in-out infinite; }
.pulse-animation:nth-child(1) { animation-delay: 0s; }
.pulse-animation:nth-child(2) { animation-delay: 0.2s; }
.pulse-animation:nth-child(3) { animation-delay: 0.4s; }
.pulse-animation:nth-child(4) { animation-delay: 0.6s; }
.visible { opacity: 1; animation: fadeIn 0.8s ease-out; }

/* ===== LINKS ===== */
.varuna-link, .apm-link { color: #1a5276; font-weight: 600; transition: color 0.3s ease; }
.varuna-link:hover, .apm-link:hover { color: #154360; text-decoration: underline; }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .page-container { width: 95%; margin: 10px auto; padding: 15px; }
    .main-title { font-size: 14pt; }
    section h2 { font-size: 12pt; }
    section h3 { font-size: 12pt; }
    .intro-text-main { font-size: 12pt; }
    .solution-card { padding: 20px; }
    .solution-header { flex-direction: column; }
    .solution-number { margin-right: 0; margin-bottom: 10px; }
    .event-details-box { grid-template-columns: 1fr; padding: 20px; }
    .future-benefits { grid-template-columns: repeat(2, 1fr); }
    .experience-grid { grid-template-columns: 1fr; }
    .cta-box { padding: 25px; }
    .cta-box h3 { font-size: 16pt; }
    .cta-box p { font-size: 13pt; }
    .cta-button { padding: 12px 30px; font-size: 12pt; }
}
@media (max-width: 480px) {
    .page-container { padding: 10px; }
    .main-title { font-size: 12pt; }
    section h2 { font-size: 12pt; }
    section h3 { font-size: 10pt; }
    .intro-text-main { font-size: 10pt; }
    ul.custom-list li { font-size: 10pt; padding-left: 25px; }
    .solution-card { padding: 15px; }
    .solution-number { width: 40px; height: 40px; font-size: 18pt; }
    .event-details-box { padding: 15px; }
    .event-icon { font-size: 24pt; }
    .future-benefits { grid-template-columns: 1fr; }
    .benefit-item { padding: 15px; }
    .benefit-icon { font-size: 24pt; }
    .benefit-item p { font-size: 12pt; }
    .experience-card { padding: 15px; }
    .cta-box { padding: 15px; }
    .cta-box h3 { font-size: 14pt; }
    .cta-box p { font-size: 12pt; }
    .cta-button { padding: 10px 25px; font-size: 11pt; }
}

/* ===== UTILITY ===== */
strong { font-weight: 600; color: #1a5276; }
a { color: #1a5276; text-decoration: none; transition: color 0.3s ease; }
a:hover { color: #154360; text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
@media print {
    body { background-color: white; }
    .page-container { box-shadow: none; max-width: 100%; }
    .cta-button { border: 1px solid #1a5276; }
}
