:root {
    /* Updated Tokens - White Theme */
    --brand-primary: #ff2768;
    --brand-primary-bright: #ff4781;
    --bg-base: #ffffff;
    --bg-secondary: #f8f8f8;
    --text-primary: #121212;
    --text-muted: rgba(18, 18, 18, 0.6);
    --border-color: #f0f0f0;
    
    /* Skeleton Tokens */
    --skeleton-bg: rgba(0, 0, 0, 0.05);
    
    /* Dark glass for light theme */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.05);
    --hero-overlay: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 100%), linear-gradient(to right, rgba(0,0,0,0.8) 0%, transparent 60%);
    
    /* Spacing & Sizes */
    --container-max: 1280px;
    --section-pad-y: 120px;
    --border-radius: 12px;
    --border-radius-pill: 100px;
    --header-height: 90px;
}

@keyframes skeleton-pulse {
    0% { background-color: rgba(0, 0, 0, 0.05); }
    50% { background-color: rgba(0, 0, 0, 0.08); }
    100% { background-color: rgba(0, 0, 0, 0.05); }
}

.skeleton {
    animation: skeleton-pulse 1.5s ease-in-out infinite;
    background-color: var(--skeleton-bg);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Light mode is now default, removing the body.dark-mode specific overrides if they exist */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Figtree', sans-serif; /* Using Figtree as display as Satoshi is not always available via Google Fonts, but I'll use it as fallback */
    font-weight: 700;
}

.display-title {
    font-size: clamp(40px, 8vw, 64px);
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.text-gradient {
    color: var(--text-primary);
}

/* Buttons */
.btn-primary {
    background-color: var(--brand-primary);
    color: white;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary:hover {
    background-color: var(--brand-primary-bright);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(236, 108, 54, 0.2);
}

.btn-primary.pill {
    border-radius: var(--border-radius-pill);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.youtube-btn {
    background-color: #ffffff;
    color: #121212;
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.youtube-btn svg {
    color: var(--brand-primary);
}

.youtube-btn:hover {
    background-color: #f0f0f0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* Header Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 88px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.main-header.scrolled .logo-img {
    filter: brightness(0); /* Makes the logo black on white background */
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

/* Newsletter Section */
.newsletter-section {
    padding: 120px 0;
    background: #fafafa;
}

.newsletter-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    background: #ffffff;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
}

.newsletter-content {
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.newsletter-visual {
    background: #111;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blob-gradient {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent-light, #ff2768), #8a2be2);
    filter: blur(80px);
    border-radius: 50%;
    animation: pulse-blob 8s infinite alternate;
}

@keyframes pulse-blob {
    0% { transform: scale(1) translate(0, 0); opacity: 0.6; }
    100% { transform: scale(1.5) translate(20px, 20px); opacity: 0.8; }
}

.lead-form {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    position: relative;
}

.lead-form input {
    width: 100%;
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    background: #fcfcfc;
    font-size: 16px;
    transition: all 0.3s ease;
}

.lead-form input:focus {
    outline: none;
    border-color: #ff2768;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(255, 39, 104, 0.1);
}

.lead-form label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    transition: all 0.3s ease;
    pointer-events: none;
    color: #888;
    opacity: 0;
}

.lead-form input:focus + label,
.lead-form input:not(:placeholder-shown) + label {
    top: -10px;
    left: 12px;
    font-size: 12px;
    font-weight: 600;
    color: #ff2768;
    opacity: 1;
    background: #fff;
    padding: 0 6px;
}

#btn-submit-lead {
    width: 100%;
    padding: 18px;
    font-weight: 700;
    justify-content: center;
}

.form-feedback {
    margin-top: 20px;
    font-weight: 500;
    text-align: center;
    min-height: 24px;
}

.form-feedback.success { color: #10b981; }
.form-feedback.error { color: #ef4444; }

/* Loader Animation */
.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin-loader 0.8s linear infinite;
}

@keyframes spin-loader {
    to { transform: rotate(360deg); }
}

.btn-loading .btn-text { display: none; }
.btn-loading .btn-loader { display: block; }

@media (max-width: 991px) {
    .newsletter-card {
        grid-template-columns: 1fr;
    }
    .newsletter-visual {
        height: 200px;
        order: -1;
    }
    .newsletter-content {
        padding: 40px 24px;
    }
}


/* Hamburger */
.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    z-index: 1100;
}

.hamburger-line {
    width: 28px;
    height: 2px;
    background-color: #ffffff;
    transition: all 0.3s ease;
}

.main-header.scrolled .hamburger-line { background-color: var(--text-primary); }

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-base);
    z-index: 1050;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 24px 40px;
}

.mobile-menu.active {
    right: 0;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.mobile-nav-link {
    font-size: 32px;
    font-weight: 700;
    font-family: 'Figtree', sans-serif;
    color: var(--text-primary);
}

.mobile-nav-link:hover {
    color: var(--brand-primary);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding-top: var(--header-height);
    padding-bottom: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.8) contrast(1.1);
}

.overlay-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--hero-overlay);
}

.hero-container {
    z-index: 10;
    margin-left: 0;
    margin-right: auto;
}

.hero-content {
    max-width: 650px;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.featured-badge {
    background-color: var(--brand-primary);
    color: white;
}

.hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 500px;
}

.display-title {
    color: white;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Editions Gallery */
.editions-section {
    padding: var(--section-pad-y) 0;
    background-color: var(--bg-base);
}

.section-header {
    margin-bottom: 64px;
    text-align: center;
}

.section-title {
    font-size: 48px;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-muted);
}

.editions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 40px;
}

.edition-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.edition-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.05);
    border-color: rgba(255, 39, 104, 0.3);
}

.card-media {
    height: 480px;
    overflow: hidden;
    background: var(--skeleton-bg);
    position: relative;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, opacity 0.4s ease;
    opacity: 0;
}

.card-media img.loaded {
    opacity: 1;
}

.edition-card:hover .card-media img {
    transform: scale(1.05);
}

.card-content {
    padding: 32px;
}

.card-date {
    font-family: 'Fragment Mono', monospace;
    font-size: 12px;
    color: var(--brand-primary);
    display: block;
    margin-bottom: 12px;
}

.card-title {
    font-size: 24px;
    margin-bottom: 8px;
}

.card-executive {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.card-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.card-link {
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--brand-primary);
    padding-bottom: 2px;
}

.card-link:hover {
    color: var(--brand-primary);
}

.card-link-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.card-link-icon:hover {
    background-color: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-base);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    margin-bottom: 80px;
}

.footer-info p {
    margin-top: 24px;
    color: var(--dm-text-muted);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-logo {
    height: 60px; /* Slightly smaller for footer */
    filter: brightness(0); /* Black version for footer */
}

.footer-col h4 {
    margin-bottom: 24px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    margin-bottom: 12px;
    color: var(--dm-text-muted);
    font-size: 14px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 810px) {
    .floating-nav {
        min-width: unset;
        width: calc(100% - 48px);
        top: 20px;
    }
    
    .nav-links {
        display: none; /* Hide on mobile for simplicity, or use hamburger */
    }
    
    .hero {
        align-items: flex-end;
        padding-bottom: 60px;
    }

    .hero-content {
        max-width: 100%;
        text-align: left;
    }

    .display-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .editions-grid {
        grid-template-columns: 1fr;
    }
}