:root {
    --primary-navy: #0A1128;
    --primary-gold: #C5A059;
    --bg-light: #FAF9F6;
    --bg-white: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-gray: #555555;
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
    --transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-sans); background-color: var(--bg-light); color: var(--text-dark); line-height: 1.8; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 5%; }
.section-padding { padding: 100px 0; }

/* ==========================================================================
    1. PAGE HERO SECTION
    ========================================================================== */
.page-hero {
    height: 60vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Premium strategy/chess/corporate background */
    background: url('https://images.unsplash.com/photo-1552664730-d307ca884978?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat fixed;
    text-align: center;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 17, 40, 0.9) 0%, rgba(10, 17, 40, 0.6) 100%);
    z-index: 1;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1.2s ease;
    max-width: 800px;
    padding: 0 20px;
}

.page-hero-subtitle {
    font-size: 1rem;
    color: var(--primary-gold);
    text-transform: uppercase;
    letter-spacing: 5px;
    font-weight: 600;
    margin-bottom: 15px;
    display: block;
}

.page-hero-title {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    color: var(--bg-white);
    letter-spacing: 3px;
}

/* ==========================================================================
    2. INTRO SECTION
    ========================================================================== */
.intro-section {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.intro-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--primary-navy);
    margin-bottom: 30px;
}

.intro-text {
    font-size: 1.15rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.gold-line {
    width: 80px;
    height: 2px;
    background-color: var(--primary-gold);
    margin: 40px auto;
}

/* ==========================================================================
    3. THE FOUR PRINCIPLES (Grid)
    ========================================================================== */
.principles-section {
    background-color: var(--bg-white);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.principle-card {
    background-color: var(--bg-light);
    padding: 50px 30px;
    text-align: center;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.principle-card:hover {
    background-color: var(--primary-navy);
    border-bottom-color: var(--primary-gold);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.principle-icon {
    width: 50px;
    height: 50px;
    color: var(--primary-gold);
    margin-bottom: 25px;
    transition: var(--transition);
}

.principle-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-navy);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
}

.principle-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    transition: var(--transition);
}

/* Hover Text Color Changes */
.principle-card:hover h3, 
.principle-card:hover p {
    color: var(--bg-white);
}

/* ==========================================================================
    4. WORKING PROCESS TIMELINE (Dark Section)
    ========================================================================== */
.methodology-section {
    background-color: var(--primary-navy);
    color: var(--bg-white);
}

.methodology-header {
    text-align: center;
    margin-bottom: 80px;
}

.methodology-header h2 {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--bg-white);
}

.timeline-grid {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.timeline-grid::after {
    content: '';
    position: absolute;
    top: 45px;
    left: 10%;
    width: 80%;
    height: 1px;
    background: dashed 1px rgba(197, 160, 89, 0.3);
    z-index: 1;
}

.timeline-step {
    width: 20%;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 90px;
    height: 90px;
    background-color: var(--primary-navy);
    border: 1px solid var(--primary-gold);
    border-radius: 50%;
    margin: 0 auto 30px auto;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 0 10px var(--primary-navy);
    transition: var(--transition);
}

.step-icon {
    width: 36px;
    height: 36px;
    color: var(--primary-gold);
    transition: var(--transition);
}

.timeline-step:hover .step-number {
    background-color: var(--primary-gold);
    transform: scale(1.1);
}

.timeline-step:hover .step-icon {
    color: var(--primary-navy);
}

.timeline-step h4 {
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px;
    color: var(--bg-white);
}

.timeline-step p {
    font-size: 0.9rem;
    color: #A0AABF;
}

/* ==========================================================================
    5. CONCLUSION QUOTE
    ========================================================================== */
.conclusion-section {
    padding: 100px 0;
    background-color: var(--bg-light);
    text-align: center;
}

.conclusion-quote {
    max-width: 900px;
    margin: 0 auto;
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: var(--primary-navy);
    line-height: 1.4;
    font-style: italic;
    position: relative;
}

.conclusion-quote span {
    color: var(--primary-gold);
}

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

/* ==========================================================================
    RESPONSIVE DESIGN
    ========================================================================== */
@media (max-width: 1024px) {
    .page-hero-title { font-size: 3.5rem; }
    .principles-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline-grid { flex-direction: column; gap: 50px; align-items: center; }
    .timeline-grid::after { display: none; }
    .timeline-step { width: 80%; }
}

@media (max-width: 768px) {
    .page-hero-title { font-size: 2.8rem; }
    .intro-title { font-size: 2rem; }
    .methodology-header h2 { font-size: 2.5rem; }
    .conclusion-quote { font-size: 1.8rem; padding: 0 20px;}
}

@media (max-width: 576px) {
    .principles-grid { grid-template-columns: 1fr; }
    .timeline-step { width: 100%; }
    .conclusion-quote { font-size: 1.5rem; }
}