/* ============================================
   CORPORATE COLOR PALETTE
   Primary Dark Blue: #0d2440
   Secondary Blue: #2e5e99
   Light Blue: #7ba4d0
   Accent Cyan: #37f0fa
   ============================================ */

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #2c3e50;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #0d2440;
    box-shadow: 0 2px 10px rgba(13, 36, 64, 0.15);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.cta-btn-nav {
    background: #37f0fa;
    color: #0d2440;
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(55, 240, 250, 0.3);
}

.cta-btn-nav:hover {
    background: #2bd4df;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(55, 240, 250, 0.4);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, #0d2440 0%, #2e5e99 100%);
    color: #ffffff;
    padding: 140px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(123,164,208,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 50px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto 50px;
    position: relative;
    z-index: 1;
}

.stat-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(55, 240, 250, 0.3);
    border-radius: 12px;
    padding: 30px 20px;
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    border-color: #37f0fa;
    box-shadow: 0 8px 24px rgba(55, 240, 250, 0.2);
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    color: #37f0fa;
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    font-size: 16px;
    font-weight: 500;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.cta-btn-primary {
    background: #37f0fa;
    color: #0d2440;
    border: none;
    padding: 16px 40px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(55, 240, 250, 0.3);
}

.cta-btn-primary:hover {
    background: #2bd4df;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(55, 240, 250, 0.5);
}

.cta-btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 16px 40px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
    transform: translateY(-3px);
}

/* ============================================
   FORM SECTION
   ============================================ */
.form-section {
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
    padding: 80px 20px;
}

.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 16px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(13, 36, 64, 0.1);
    border: 1px solid #e9ecef;
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #0d2440;
    margin-bottom: 15px;
}

.form-header p {
    font-size: 17px;
    color: #2e5e99;
    line-height: 1.6;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #0d2440;
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    border: 2px solid #dee2e6;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #ffffff;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #37f0fa;
    box-shadow: 0 0 0 3px rgba(55, 240, 250, 0.1);
}

.form-group input.error,
.form-group select.error {
    border-color: #dc3545;
}

.form-footer {
    margin-top: 10px;
    text-align: center;
}

.form-footer .cta-btn-primary {
    width: 100%;
    max-width: 400px;
}

.form-disclaimer {
    margin-top: 20px;
    font-size: 13px;
    color: #7ba4d0;
    font-weight: 500;
}

.success-message {
    text-align: center;
    padding: 40px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: #37f0fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 48px;
    color: #0d2440;
    font-weight: bold;
}

.success-message h3 {
    font-size: 28px;
    color: #0d2440;
    margin-bottom: 15px;
}

.success-message p {
    font-size: 17px;
    color: #2e5e99;
    line-height: 1.6;
    margin-bottom: 15px;
}

.success-note {
    font-size: 15px;
    color: #7ba4d0;
    font-style: italic;
}

/* ============================================
   ARTICLE CONTENT
   ============================================ */
.article-content {
    background: #ffffff;
    padding: 80px 20px;
}

.article-section {
    max-width: 800px;
    margin: 0 auto 60px;
}

.article-intro {
    font-size: 20px;
    line-height: 1.8;
    color: #2e5e99;
    margin-bottom: 15px;
    font-weight: 500;
}

.article-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: #0d2440;
    margin-bottom: 25px;
    line-height: 1.3;
}

.article-section h3 {
    font-size: 24px;
    font-weight: 600;
    color: #2e5e99;
    margin-bottom: 20px;
    line-height: 1.4;
}

.article-section p {
    font-size: 17px;
    line-height: 1.8;
    color: #2c3e50;
    margin-bottom: 20px;
}

.article-section ul {
    margin: 20px 0 20px 25px;
    line-height: 1.9;
}

.article-section li {
    font-size: 17px;
    color: #2c3e50;
    margin-bottom: 12px;
}

.key-points {
    background: #f8f9fa;
    border-left: 4px solid #37f0fa;
    padding: 25px 25px 25px 35px;
    margin: 30px 0;
    border-radius: 6px;
}

.key-points li {
    font-size: 18px;
    font-weight: 500;
    color: #0d2440;
}

.emphasis {
    font-size: 20px;
    font-weight: 600;
    color: #2e5e99;
    font-style: italic;
    margin: 25px 0;
}

.callout-box {
    background: linear-gradient(135deg, #0d2440 0%, #2e5e99 100%);
    color: #ffffff !important;
    padding: 35px;
    border-radius: 12px;
    margin: 35px 0;
    box-shadow: 0 8px 24px rgba(13, 36, 64, 0.15);
}

.callout-box * {
    color: #ffffff !important;
}

.callout-text {
    font-size: 20px;
    line-height: 1.6;
    margin: 0;
    font-weight: 600;
    color: #ffffff !important;
}

.imperative-box {
    background: #f8f9fa;
    border: 2px solid #7ba4d0;
    border-radius: 10px;
    padding: 35px;
    margin: 35px 0;
}

.imperative-box h3 {
    color: #0d2440;
    margin-bottom: 20px;
}

.survival-groups {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 40px 0;
}

.survival-box {
    padding: 30px;
    border-radius: 10px;
    border: 3px solid;
}

.survival-box.survivors {
    background: #e8f8f5;
    border-color: #37f0fa;
}

.survival-box.casualties {
    background: #fff5f5;
    border-color: #ff6b6b;
}

.survival-box h3 {
    font-size: 22px;
    margin-bottom: 20px;
    font-weight: 700;
}

.survival-box.survivors h3 {
    color: #0d2440;
}

.survival-box.casualties h3 {
    color: #c92a2a;
}

.survival-box ul {
    margin-left: 0;
    list-style-position: inside;
}

.checklist {
    margin: 30px 0;
}

.checklist-item {
    background: #ffffff;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    transition: all 0.3s ease;
}

.checklist-item:hover {
    border-color: #37f0fa;
    background: #f8f9fa;
    transform: translateX(5px);
}

.checklist-item input[type="checkbox"] {
    margin-top: 4px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: #37f0fa;
}

.checklist-item label {
    cursor: pointer;
    font-size: 16px;
    line-height: 1.6;
    color: #2c3e50;
}

.checklist-item input[type="checkbox"]:checked + label {
    text-decoration: line-through;
    opacity: 0.6;
}

.author-bio {
    max-width: 800px;
    margin: 60px auto;
    background: linear-gradient(135deg, #0d2440 0%, #2e5e99 100%);
    color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(13, 36, 64, 0.15);
}

.bio-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #37f0fa;
}

.bio-content p {
    font-size: 17px;
    line-height: 1.7;
    color: #ffffff;
}

.final-cta {
    max-width: 800px;
    margin: 60px auto;
    text-align: center;
    padding: 60px 40px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 2px solid #7ba4d0;
}

.final-cta h2 {
    font-size: 32px;
    color: #0d2440;
    margin-bottom: 20px;
}

.final-cta p {
    font-size: 18px;
    color: #2e5e99;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #0d2440;
    color: #ffffff;
    padding: 40px 20px;
    text-align: center;
}

.footer p {
    margin: 5px 0;
    font-size: 14px;
}

.footer-tagline {
    color: #7ba4d0;
    font-style: italic;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #37f0fa;
    color: #0d2440;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(55, 240, 250, 0.3);
    z-index: 999;
    font-weight: bold;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: #2bd4df;
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(55, 240, 250, 0.5);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .survival-groups {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-wrapper {
        padding: 30px 25px;
    }

    .article-section h2 {
        font-size: 28px;
    }

    .article-section h3 {
        font-size: 22px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 120px 20px 60px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .stat-number {
        font-size: 42px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .cta-btn-primary,
    .cta-btn-secondary {
        width: 100%;
        padding: 14px 30px;
        font-size: 16px;
    }

    .nav-container {
        flex-direction: column;
        gap: 12px;
        padding: 12px 20px;
    }

    .cta-btn-nav {
        width: 100%;
    }

    .form-wrapper {
        padding: 25px 20px;
    }

    .form-header h2 {
        font-size: 24px;
    }

    .article-section {
        margin-bottom: 40px;
    }

    .article-section h2 {
        font-size: 24px;
    }

    .article-intro {
        font-size: 18px;
    }

    .imperative-box,
    .callout-box {
        padding: 25px;
    }

    .final-cta {
        padding: 40px 25px;
    }

    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

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

.article-section,
.form-wrapper {
    animation: fadeInUp 0.8s ease-out;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
*:focus {
    outline: 2px solid #37f0fa;
    outline-offset: 2px;
}

button:focus {
    outline: 3px solid #37f0fa;
    outline-offset: 3px;
}

/* High contrast for accessibility */
@media (prefers-contrast: high) {
    .stat-box {
        border-width: 3px;
    }
    
    .callout-box {
        border: 2px solid #37f0fa;
    }
}