/* ============================================
   INVESTAY CAPITAL - PREMIUM DESIGN SYSTEM
   Institutional-Grade Visual Identity
   ============================================ */

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

:root {
    /* Premium Color Palette */
    --color-bg-darkest: #000000;
    --color-bg-dark: #0a0a0a;
    --color-bg-elevated: #121212;
    --color-bg-card: #1a1a1a;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #b8b8b8;
    --color-text-tertiary: #808080;
    
    --color-gold: #d4af37;
    --color-gold-light: #e6c158;
    --color-gold-dark: #b8941f;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    
    /* Spacing System */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;
    
    /* Animation Timings */
    --timing-fast: 0.2s;
    --timing-base: 0.3s;
    --timing-slow: 0.5s;
    --timing-slowest: 0.8s;
    
    --ease-smooth: cubic-bezier(0.4, 0.0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.7;
    font-weight: 300;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

/* === ANIMATED BACKGROUND === */
.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.03;
    background-image: 
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 100px 100px;
    animation: grid-move 60s linear infinite;
    pointer-events: none;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

/* === PREMIUM HEADER === */
.premium-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    padding: 1.75rem 0;
    transition: all var(--timing-base) var(--ease-smooth);
}

.premium-header.scrolled {
    padding: 1rem 0;
    background: rgba(0, 0, 0, 0.95);
    border-bottom-color: var(--color-border-strong);
}

.premium-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.premium-header .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.logo-icon {
    font-size: 1.25rem;
    color: var(--color-gold);
    transform-origin: center;
    display: inline-block;
    animation: rotate-diamond 20s linear infinite;
}

@keyframes rotate-diamond {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(90deg); }
}

.logo-text {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-text-primary);
}

.premium-nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.premium-nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    transition: color var(--timing-base) var(--ease-smooth);
}

.premium-nav a:hover {
    color: var(--color-text-primary);
}

.premium-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--timing-base) var(--ease-smooth);
}

.premium-nav a:hover::after {
    width: 100%;
}

.premium-nav .nav-cta {
    padding: 0.625rem 1.5rem;
    border: 1px solid var(--color-gold);
    border-radius: 2px;
    color: var(--color-gold);
    transition: all var(--timing-base) var(--ease-smooth);
}

.premium-nav .nav-cta:hover {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

.premium-nav .nav-cta::after {
    display: none;
}

/* === PREMIUM HERO === */
.premium-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at top, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
        linear-gradient(180deg, #000000 0%, #0a0a0a 50%, #000000 100%);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="100" height="100" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 0h1v1H0z" fill="rgba(255,255,255,0.01)"/%3E%3C/svg%3E');
    opacity: 0.5;
}

.premium-hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--color-border-strong);
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    margin-bottom: 2.5rem;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: 5.5rem;
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -1px;
}

.hero-accent {
    display: block;
    font-weight: 600;
    color: var(--color-gold);
    font-style: italic;
}

.hero-subheadline {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
}

/* === PREMIUM BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--timing-base) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.btn svg {
    transition: transform var(--timing-base) var(--ease-smooth);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-premium-primary {
    background: var(--color-gold);
    color: var(--color-bg-dark);
    border: 1px solid var(--color-gold);
}

.btn-premium-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--timing-slow) var(--ease-smooth);
}

.btn-premium-primary:hover::before {
    left: 100%;
}

.btn-premium-primary:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

.btn-premium-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-strong);
}

.btn-premium-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-text-primary);
    transform: translateY(-2px);
}

.btn-premium-outline {
    background: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}

.btn-premium-outline:hover {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

/* === METRICS ROW === */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.metric {
    text-align: center;
}

.metric-icon {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
    animation: pulse-gold 3s ease-in-out infinite;
}

@keyframes pulse-gold {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.metric-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
}

/* === ANIMATIONS === */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp var(--timing-slowest) var(--ease-smooth) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

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

/* === PREMIUM SECTIONS === */
.premium-section {
    position: relative;
    padding: var(--space-2xl) 0;
    z-index: 2;
}

.dark-section {
    background: var(--color-bg-elevated);
}

.section-header {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-gold);
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.section-title br {
    display: block;
}

/* === ABOUT SECTION === */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.about-main {
    font-size: 1.125rem;
    line-height: 1.9;
}

.lead-text {
    font-size: 1.375rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--color-text-primary);
    font-weight: 300;
}

.about-main p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.about-pillars {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.pillar-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--timing-base) var(--ease-smooth);
}

.pillar-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--color-border-strong);
    transform: translateX(8px);
}

.pillar-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-gold);
    margin-bottom: 1rem;
    opacity: 0.5;
}

.pillar-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

.pillar-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* === PREMIUM CARDS GRID === */
.premium-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.premium-card {
    padding: 3rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--timing-base) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    transform: translateX(-100%);
    transition: transform var(--timing-slow) var(--ease-smooth);
}

.premium-card:hover::before {
    transform: translateX(0);
}

.premium-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
    transition: transform var(--timing-base) var(--ease-smooth);
}

.premium-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.premium-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.premium-card p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 0.9375rem;
}

/* === CTA BOX === */
.cta-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3rem;
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 4px;
    margin-bottom: 4rem;
}

.cta-box-content h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.cta-box-content p {
    color: var(--color-text-secondary);
    max-width: 600px;
}

/* === PREMIUM FORMS === */
.premium-form {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.form-header {
    text-align: center;
    margin-bottom: 3rem;
}

.form-header h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.form-header p {
    color: var(--color-text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all var(--timing-base) var(--ease-smooth);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-gold);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-tertiary);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.form-success {
    display: none;
    padding: 1rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 2px;
    color: var(--color-gold);
    text-align: center;
    font-weight: 500;
}

.form-success.show {
    display: block;
}

/* === CONTACT SECTION === */
.contact-section {
    padding: var(--space-xl) 0;
}

.contact-cta-premium {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-header {
    margin-bottom: 4rem;
}

.contact-header h2 {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.contact-header p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem 3rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    text-decoration: none;
    transition: all var(--timing-base) var(--ease-smooth);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
}

.contact-info {
    text-align: left;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin-bottom: 0.5rem;
}

.contact-value {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

/* === PREMIUM FOOTER === */
.premium-footer {
    padding: var(--space-xl) 0 var(--space-md);
    background: var(--color-bg-darkest);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    margin-top: 1rem;
    color: var(--color-text-tertiary);
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-column h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.footer-column a {
    display: block;
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-size: 0.9375rem;
    margin-bottom: 0.75rem;
    transition: color var(--timing-base) var(--ease-smooth);
}

.footer-column a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.disclaimer {
    font-size: 0.8125rem;
    font-style: italic;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1200px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero-headline {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .about-content {
        gap: 3rem;
    }
}

@media (max-width: 968px) {
    .hero-headline {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .premium-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .metrics-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-links {
        gap: 3rem;
    }
    
    .cta-box {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-headline {
        font-size: 2.75rem;
    }
    
    .hero-subheadline {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .premium-nav {
        gap: 1.5rem;
    }
    
    .premium-nav a {
        font-size: 0.8125rem;
    }
    
    .metrics-row {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .premium-form {
        padding: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-header h2 {
        font-size: 3rem;
    }
    
    .premium-section {
        padding: var(--space-lg) 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* === SCROLL ANIMATIONS === */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(50px);
        transition: all var(--timing-slowest) var(--ease-smooth);
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}