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

/* ===========================
   CSS CUSTOM PROPERTIES
   =========================== */
:root {
    /* Colors */
    --color-navy-dark: #0a1628;
    --color-navy-medium: #1a2942;
    --color-navy-light: #2a3f5f;
    --color-gold: #d4af37;
    --color-gold-light: #f0d98d;
    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-gray-light: #e0e6ed;
    --color-gray-medium: #8892a0;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    
    /* Shadows */
    --shadow-soft: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(212, 175, 55, 0.3);
}

/* ===========================
   TYPOGRAPHY
   =========================== */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--color-off-white);
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy-medium) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-white);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-light);
}

/* ===========================
   LAYOUT & CONTAINERS
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-style: italic;
    color: var(--color-gold);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-heading);
}

.hero-description {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    line-height: 1.8;
}

/* ===========================
   FRAMEWORK SECTION
   =========================== */
.framework {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gold);
}

.framework-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.framework-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.framework-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.framework-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: var(--color-gold);
    background: rgba(255, 255, 255, 0.08);
}

.framework-card:hover::before {
    transform: scaleX(1);
}

.framework-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.framework-card h3 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.framework-card p {
    color: var(--color-gray-light);
}

/* ===========================
   PHILOSOPHY SECTION
   =========================== */
.philosophy {
    background: linear-gradient(135deg, rgba(26, 41, 66, 0.6) 0%, rgba(10, 22, 40, 0.8) 100%);
}

.philosophy-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.philosophy-quote {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--color-gold-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding: var(--spacing-md);
}

.philosophy-quote::before,
.philosophy-quote::after {
    content: '"';
    font-size: 4rem;
    color: var(--color-gold);
    opacity: 0.3;
    position: absolute;
}

.philosophy-quote::before {
    top: -20px;
    left: -10px;
}

.philosophy-quote::after {
    bottom: -40px;
    right: -10px;
}

/* ===========================
   CTA SECTION
   =========================== */
.cta {
    text-align: center;
    background: rgba(212, 175, 55, 0.05);
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-navy-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    border-radius: 50px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button span {
    position: relative;
    z-index: 1;
}

/* ===========================
   FOOTER
   =========================== */
footer {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    color: var(--color-gray-medium);
    font-size: 0.875rem;
}

/* ===========================
   ANIMATIONS
   =========================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .framework-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .philosophy-quote::before,
    .philosophy-quote::after {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}

/* ===========================
   ACCESSIBILITY
   =========================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--color-gold);
    outline-offset: 4px;
}