/* 
  Prophet Coaching - Design System
  Premium, authoritative, yet human-first aesthetic.
*/

:root {
    /* Color Palette - Premium Marble/Gold Theme */
    --bg-base: #FFFFFF;
    --bg-surface: #FCFCFC;
    --bg-surface-light: #F5F5F0;
    
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A4A;
    --text-muted: #737373;
    
    --accent-primary: #D4AF37; /* Refined Gold */
    --accent-hover: #B5952F;
    --accent-glow: rgba(212, 175, 55, 0.25);
    
    --divider: rgba(212, 175, 55, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(212, 175, 55, 0.4);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    /* Animation Tokens */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle Noise Overlay for Texture */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(3rem, 8vw, 5.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }

p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    font-weight: 300;
}

a {
    text-decoration: none;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.text-accent {
    color: var(--accent-primary);
    font-style: italic;
}

.kicker {
    display: block;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-weight: 500;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 5rem 0;
    position: relative;
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.text-center {
    text-align: center;
}

/* Navigation - Glassmorphism */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    z-index: 1001;
}

.logo-text { font-weight: 600; }
.logo-accent { font-weight: 400; font-style: italic; color: var(--accent-primary); }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: var(--bg-base);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--accent-glow);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--text-primary);
    color: var(--bg-base);
}

.btn-outline {
    border: 1px solid var(--divider);
    padding: 0.5rem 1.25rem;
    border-radius: 2px;
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline::after { display: none; }

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
    margin-top: 1rem;
}

.text-link svg {
    transition: transform var(--transition-fast);
}

.text-link:hover svg {
    transform: translateX(5px);
}

/* Hero Section */
.hero {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 0 5%;
    overflow: hidden;
    background-color: var(--bg-surface);
}

.hero::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url('assets/marble_gold_bg.png') center/cover no-repeat fixed;
    z-index: 0;
}

.hero-auburn::after {
    filter: hue-rotate(-20deg) saturate(1.2);
}

.hero-cobalt::after {
    filter: hue-rotate(180deg) saturate(1.5);
}

.hero-teal::after {
    filter: hue-rotate(130deg) saturate(1.2);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), rgba(255,255,255,0.85));
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
    transform: translateY(-4rem);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 3rem;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.7;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
    animation: scrollLine 2s infinite;
    transform-origin: top;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); }
    50% { transform: scaleY(1); opacity: 1; }
    100% { transform: scaleY(1); opacity: 0; }
}

/* About Preview */
.about-preview .section-title { margin-bottom: 0.5rem; }
.about-preview .section-subtitle { color: var(--text-muted); font-family: var(--font-sans); font-weight: 300; font-size: 1.5rem; }
.about-preview p:last-of-type { margin-bottom: 0; }

/* Manifesto Quote / Guiding Belief */
.dark-bg {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--divider);
    border-bottom: 1px solid var(--divider);
}

.manifesto-quote {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-style: italic;
    line-height: 1.3;
    color: var(--text-primary);
    margin: 2rem auto;
    max-width: 900px;
}

.manifesto-author {
    color: var(--text-muted);
}

/* CTA Section */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 4px;
    padding: 4rem 3rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 25px 50px -12px rgba(212, 175, 55, 0.15);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.cta-title {
    margin-bottom: 1rem;
}

.cta-text {
    margin-bottom: 2.5rem;
}

/* Footer */
.footer {
    background-color: var(--bg-base);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--divider);
}

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

.footer-tagline {
    margin-top: 1rem;
    font-size: 1rem;
}

.footer h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.75rem;
}

.footer ul a, .footer-contact p a {
    color: var(--text-secondary);
    font-weight: 300;
}

.footer ul a:hover, .footer-contact p a:hover {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    color: var(--text-secondary);
}

.social-links a:hover {
    color: var(--accent-primary);
    transform: translateY(-2px);
}

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

.legal-links {
    display: flex;
    gap: 1.5rem;
}

.legal-links a {
    color: var(--text-muted);
}

.legal-links a:hover {
    color: var(--text-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    height: 2px;
    width: 100%;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.stagger-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

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

/* Initial Loading States */
body.loading .hero-title,
body.loading .hero-subtitle,
body.loading .hero-actions {
    opacity: 0;
    transform: translateY(20px);
}

/* Responsive */
@media (max-width: 992px) {
    .section-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-surface);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .hero-actions {
        flex-direction: column;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Image Placeholders */
.image-placeholder-wrapper {
    position: relative;
    width: 100%;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 40px -10px rgba(212, 175, 55, 0.2);
    border: 1px solid var(--glass-border);
}
.image-placeholder {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4/5;
    background: url('assets/marble_gold_bg.png') center/cover no-repeat;
    position: relative;
}
.image-placeholder::after {
    content: 'Original Image';
    position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    background: rgba(255,255,255,0.95);
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
}