/* ==========================================================================
   ALTERNATIVE PREMIUM SLATE ARCHITECTURE STYLESHEET
   ========================================================================== */

.ab-layout-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
    margin-bottom: 50px;
}

.ab-system-badge {
    display: inline-block;
    color: #4f8267;
    background-color: rgba(79, 130, 103, 0.08);
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.ab-title-accent {
    color: #326295;
}

.ab-centered-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}
.ab-centered-header h2 { font-size: 2.5rem; color: #1a4d6c; font-weight: 800; margin: 0 0 14px 0; letter-spacing: -0.5px; }
.ab-centered-header p { color: #60737d; font-size: 1.05rem; margin: 0; line-height: 1.6; }

/* --- SECTION 1: HERO CONTAINER (Fluid Gradient & Modern Layout) --- */
.ab-premium-hero {
    position: relative;
    background: linear-gradient(-45deg, #f8f9fb, #eef2ff, #f0fdf4, #f8f9fb);
    background-size: 400% 400%;
    animation: heroGradient 12s ease infinite;
    padding: 140px 0 100px;
    overflow: hidden;
}

@keyframes heroGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gradient-text {
    background: linear-gradient(90deg, #0f4a78, #9AAF9E, #4f46e5, #0f4a78);
    background-size: 300%;
    -webkit-background-clip: text;
    color: transparent;
    animation: textGradient 6s linear infinite;
}

@keyframes textGradient {
    0% { background-position: 0%; }
    100% { background-position: 300%; }
}

.ab-hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    z-index: 1;
    opacity: 0.5;
}
.ab-glow-left { top: -20%; left: -10%; width: 500px; height: 500px; background: rgba(154, 175, 158, 0.3); }
.ab-glow-right { bottom: -20%; right: -10%; width: 450px; height: 450px; background: rgba(15, 74, 120, 0.15); }

.ab-hero-grid-split {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 70px;
    align-items: center;
}

.ab-main-title {
    font-size: 4rem;
    color: #1a4d6c;
    font-weight: 900;
    line-height: 1.15;
    margin: 0 0 24px 0;
    letter-spacing: -1.5px;
}

.ab-lead-text {
    font-size: 1.15rem;
    color: #4a5568;
    line-height: 1.7;
    margin: 0 0 45px 0;
}

.ab-stats-track {
    display: flex;
    gap: 50px;
}

.ab-stat-item {
    position: relative;
}

.ab-stat-item h3 {
    font-size: 2.75rem;
    color: #1a4d6c;
    font-weight: 800;
    margin: 0 0 4px 0;
    letter-spacing: -1px;
}

.ab-stat-item span {
    font-size: 0.88rem;
    color: #4f8267;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ab-hero-visual-frame { width: 100%; }
.ab-media-mask {
    width: 100%;
    height: 500px;
    border-radius: 24px 4px 24px 24px;
    overflow: hidden; 
    box-shadow: 0 30px 60px rgba(15, 74, 120, 0.12);
}
.ab-media-mask img { width: 100%; height: 100%; object-fit: cover; }

/* --- SECTION 2: PURPOSE TIERS (Modern Flat Minimalist Borders) --- */
.ab-purpose-block {
    padding: 110px 0;
    background-color: #ffffff;
    border-top: 1px solid #eef2f6;
}

.ab-tri-tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.ab-purpose-card {
    background: #ffffff;
    padding: 45px;
    border-radius: 16px;
    border: 1px solid #eef2f5;
    transition: all 0.3s ease;
}

.ab-purpose-card:hover {
    border-color: #326295;
    box-shadow: 0 20px 40px rgba(50, 98, 149, 0.04);
}

.ab-purpose-icon {
    font-size: 1.8rem;
    color: #326295;
    margin-bottom: 24px;
    width: 54px;
    height: 54px;
    background: #f4f8fb;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ab-purpose-card h3 {
    font-size: 1.4rem;
    color: #1a4d6c;
    margin: 0 0 14px 0;
    font-weight: 800;
}

.ab-card-divider {
    width: 100%;
    height: 1px;
    background-color: #edf2f7;
    margin-bottom: 24px;
}

.ab-purpose-card p {
    color: #60737d;
    font-size: 0.98rem;
    line-height: 1.65;
    margin: 0;
}

/* --- SECTION 3: STEPPED HISTORICAL TIMELINE (Dynamic Dark Luxury Contrast) --- */
.ab-legacy-track {
    padding: 110px 0;
    background-color: #111a24; /* Swapped to an elegant deep slate background for contrast */
    color: #ffffff;
}

.ab-legacy-track .ab-centered-header h2 {
    color: #ffffff;
}

.ab-stepped-timeline {
    max-width: 850px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.ab-timeline-node {
    display: flex;
    position: relative;
}

.ab-node-year {
    width: 120px;
    text-align: right;
    padding-right: 40px;
    padding-top: 24px;
    flex-shrink: 0;
}

.ab-node-year span {
    font-size: 1.4rem;
    font-weight: 900;
    color: #81c798;
}

.ab-node-connector {
    width: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.ab-node-bullet {
    width: 12px;
    height: 12px;
    background-color: #81c798;
    border-radius: 50%;
    z-index: 2;
    margin-top: 31px;
}

.ab-timeline-node::after {
    content: '';
    position: absolute;
    left: 129px;
    width: 2px;
    background-color: rgba(255, 255, 255, 0.1);
    top: 42px;
    bottom: -42px;
    z-index: 1;
}

.ab-timeline-node:last-child::after {
    display: none;
}

.ab-node-content-box {
    flex-grow: 1;
    padding: 26px 36px;
    background: rgba(255, 255, 255, 0.03);
    margin-bottom: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.ab-node-content-box h4 {
    margin: 0 0 6px 0;
    font-size: 1.2rem;
    color: #ffffff;
    font-weight: 700;
}

.ab-node-content-box p {
    margin: 0;
    color: #a0aec0;
    font-size: 0.98rem;
    line-height: 1.6;
}

/* --- SECTION 4: DIRECTOR KEYNOTE PROFILE (Executive Minimalist Framing) --- */
.ab-director-keynote {
    padding: 110px 0;
    background-color: #ffffff;
}

.ab-keynote-wrapper {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 80px;
    align-items: center;
}

.ab-keynote-media {
    position: relative;
    width: 100%;
}

.ab-keynote-img-frame {
    width: 100%;
    height: 460px;
    border-radius: 4px 24px 4px 4px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(26, 77, 108, 0.05);
}
.ab-keynote-img-frame img { width: 100%; height: 100%; object-fit: cover; }

.ab-quote-badge {
    position: absolute;
    top: -20px;
    left: -20px;
    background-color: #1a4d6c;
    color: #ffffff;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.ab-keynote-details h2 { font-size: 2.75rem; color: #1a4d6c; font-weight: 900; margin: 0 0 24px 0; letter-spacing: -0.5px; }
.ab-blockquote-text p { font-size: 1.15rem; color: #4a5568; line-height: 1.75; font-weight: 500; position: relative; margin: 0 0 35px 0; }
.ab-keynote-sign-block h4 { font-size: 1.25rem; color: #1a4d6c; margin: 0 0 4px 0; font-weight: 800; }
.ab-keynote-sign-block span { font-size: 0.85rem; color: #4f8267; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }

/* --- SECTION 5: CERTIFICATIONS STRIP (Borderless Dynamic Layout) --- */
.ab-certifications-panel {
    padding: 100px 0;
    background-color: #f8fafc;
    border-top: 1px solid #edf2f7;
}

.ab-cert-strip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
}

.ab-cert-card {
    text-align: left;
    padding: 10px;
    background: transparent;
}

.ab-cert-icon-wrapper {
    font-size: 1.8rem;
    color: #326295;
    margin-bottom: 20px;
}

.ab-cert-card h4 {
    font-size: 1.2rem;
    color: #1a4d6c;
    margin: 0 0 10px 0;
    font-weight: 800;
}

.ab-cert-card p {
    margin: 0;
    color: #60737d;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 992px) {
    .ab-hero-grid-split, .ab-keynote-wrapper { grid-template-columns: 1fr; gap: 50px; }
    .ab-main-title { font-size: 2.75rem; }
    .ab-media-mask, .ab-keynote-img-frame { height: 380px; }
}

@media (max-width: 576px) {
    .ab-stats-track { justify-content: space-between; gap: 20px; }
    .ab-timeline-node::after { left: 19px; }
    .ab-node-year { width: auto; text-align: left; padding-right: 0; margin-bottom: 8px; }
    .ab-timeline-node { flex-direction: column; }
    .ab-node-connector { display: none; }
}