/* ===========================
   Silversparre / Vericord Landing Page
   Neoclassical Cyberpunk Aesthetic
=========================== */

/* === CSS Variables === */
:root {
    /* Color Palette */
    --marble-white: #F2F2F2;
    --gold-leaf: #D4AF37;
    --obsidian: #1A1A1A;
    --bio-blue: #00F0FF;
    --marble-dark: #E5E5E5;
    --gold-dim: #B8963D;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glow: 0 0 20px rgba(0, 240, 255, 0.3);
}

/* === Reset & Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--obsidian) 0%, #0a0a0a 100%);
    color: var(--marble-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* === Navigation === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gold-leaf);
}

.logo-mark {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--marble-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-leaf);
    transition: var(--transition);
}

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

.cta-link {
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--gold-leaf), var(--gold-dim));
    border-radius: 4px;
    color: var(--obsidian);
    font-weight: 600;
}

.cta-link::after {
    display: none;
}

.cta-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 4rem 2rem;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--marble-white);
}

.hero-title-accent {
    font-weight: 700;
    background: linear-gradient(135deg, var(--gold-leaf), var(--bio-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.9;
    font-style: italic;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 3rem;
    background: linear-gradient(135deg, var(--gold-leaf), var(--gold-dim));
    color: var(--obsidian);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.3);
}

.hero-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.5);
}

.hero-cta svg {
    transition: var(--transition);
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--gold-leaf), transparent);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { transform: translateY(0); opacity: 0; }
    50% { transform: translateY(20px); opacity: 1; }
}

/* === Animations === */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Sections === */
.section {
    padding: var(--spacing-xl) 2rem;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(212, 175, 55, 0.2), transparent);
}

.section-container {
    max-width: 900px;
    margin: 0 auto;
}

.section-label {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-leaf);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.section-label.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--marble-white), var(--marble-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.narrative-content {
    font-size: 1.125rem;
    line-height: 1.8;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.narrative-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.narrative-content p {
    margin-bottom: 1.5rem;
}

.narrative-content em {
    color: var(--gold-leaf);
    font-style: italic;
}

.narrative-content strong {
    color: var(--bio-blue);
    font-weight: 600;
}

.narrative-highlight {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    font-style: italic;
    text-align: center;
    padding: 2rem;
    margin: 3rem 0;
    background: rgba(212, 175, 55, 0.05);
    border-left: 3px solid var(--gold-leaf);
    border-radius: 4px;
}

/* === Product Features Grid === */
.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    padding: 2rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-leaf);
    box-shadow: 0 20px 50px rgba(212, 175, 55, 0.2);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--bio-blue);
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.9;
}

/* === Bifurcation Grid === */
.bifurcation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.bifurcation-card {
    padding: 2rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.bifurcation-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-leaf);
    box-shadow: 0 20px 50px rgba(212, 175, 55, 0.2);
}

.bifurcation-card h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.bifurcation-card.drifters h3 {
    color: #888;
}

.bifurcation-card.anchored h3 {
    color: var(--gold-leaf);
}

/* === CTA Section === */
.section-cta {
    background: 
        linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(0, 240, 255, 0.05) 100%),
        var(--obsidian);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--gold-leaf);
}

.cta-text {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    font-style: italic;
}

.cta-question {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 3rem;
    color: var(--bio-blue);
}

.cta-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 2rem;
    flex-wrap: wrap;
}

.cta-input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50px;
    color: var(--marble-white);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

.cta-input:focus {
    outline: none;
    border-color: var(--gold-leaf);
    box-shadow: var(--glow);
}

.cta-input::placeholder {
    color: rgba(242, 242, 242, 0.5);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--gold-leaf), var(--gold-dim));
    color: var(--obsidian);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.5);
}

.cta-tagline {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--marble-dark);
}

.brand-mark {
    color: var(--gold-leaf);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
}

.tagline-separator {
    margin: 0 1rem;
    opacity: 0.5;
}

/* === Footer === */
.footer {
    padding: 3rem 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text {
    color: var(--marble-dark);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: var(--marble-dark);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--gold-leaf);
}

/* === Responsive === */
@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .section {
        padding: var(--spacing-lg) 1.5rem;
    }
    
    .cta-form {
        flex-direction: column;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .bifurcation-grid {
        grid-template-columns: 1fr;
    }
}