@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    --bg-primary: #FAFAFA;
    --bg-secondary: #FFFFFF;
    --text-primary: #111111;
    --text-secondary: #555555;
    --text-muted: #888888;
    --border: #E0E0E0;
    --border-dark: #111111;
    --accent: #222222;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--text-primary);
    line-height: 1.1;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.7;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header */
header {
    border-bottom: 2px solid var(--border-dark);
    padding: 30px 0;
    background: var(--bg-primary);
    position: relative;
    z-index: 100;
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-dark);
    background: transparent;
    color: var(--text-primary);
}

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

.btn-solid {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.btn-solid:hover {
    background: transparent;
    color: var(--text-primary);
}

/* Hero Article */
.hero-article {
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.hero-article h1 {
    font-size: 5.5rem;
    margin-bottom: 30px;
    letter-spacing: -1.5px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-article p {
    font-size: 1.4rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 50px;
    font-family: var(--font-serif);
    font-style: italic;
}

/* Section Common */
section {
    padding: 100px 0;
    border-bottom: 1px solid var(--border);
}

.section-header {
    margin-bottom: 60px;
    display: flex;
    align-items: baseline;
    gap: 20px;
}

.section-header span {
    font-family: var(--font-sans);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.section-title {
    font-size: 3.5rem;
    letter-spacing: -1px;
    flex-grow: 1;
}

/* Grid Layouts (Stripe + Editorial) */
.editorial-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.editorial-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

/* Problem Section */
.problem-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 50px;
    height: 100%;
}

.problem-card h3 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.article-list {
    list-style: none;
    border-top: 2px solid var(--border-dark);
    padding-top: 20px;
}

.article-list li {
    font-size: 1.1rem;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

/* Publishing System (Process) */
.system-step {
    border-top: 2px solid var(--border-dark);
    padding-top: 20px;
}

.step-num {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 15px;
    display: block;
}

.system-step h4 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.system-step p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Pricing (Publishing Tiers) */
.tier-card {
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
}

.tier-card.popular {
    border: 2px solid var(--border-dark);
    background: var(--bg-primary);
}

.tier-name {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 10px;
}

.tier-purpose {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.tier-price {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 30px;
}

.tier-features {
    list-style: none;
    flex-grow: 1;
    margin-bottom: 40px;
}

.tier-features li {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.tier-features li::before {
    content: "—";
    margin-right: 15px;
    color: var(--text-primary);
}

/* Editorial Footer */
.credits-footer {
    padding: 80px 0;
    text-align: center;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.credits-footer a {
    color: var(--text-primary);
    font-weight: 600;
}

/* Checkout Form (Subscription) */
.checkout-wrapper {
    max-width: 600px;
    margin: 40px auto;
    padding: 20px 0;
}

.checkout-wrapper h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-align: center;
}

.checkout-wrapper p.subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    margin-bottom: 50px;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-control {
    width: 100%;
    padding: 16px 20px;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--border-dark);
}

.order-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 30px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.summary-flex {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-serif);
    font-size: 1.4rem;
}

/* Admin Editor Desk */
.editor-desk {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.desk-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 40px 30px;
}

.desk-sidebar h2 {
    font-size: 1.5rem;
    margin-bottom: 50px;
}

.desk-nav {
    list-style: none;
}

.desk-nav li {
    margin-bottom: 15px;
}

.desk-nav a {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.desk-nav a:hover, .desk-nav a.active {
    color: var(--text-primary);
}

.desk-main {
    padding: 60px;
    background: var(--bg-primary);
}

.admin-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 50px;
    margin-bottom: 40px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th, .admin-table td {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.admin-table th {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.admin-table td {
    font-family: var(--font-serif);
    font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-article h1 { font-size: 3.5rem; }
    .section-title { font-size: 2.5rem; }
    .editorial-grid-2, .editorial-grid-3 { grid-template-columns: 1fr; }
    .editor-desk { grid-template-columns: 1fr; }
}

/* Testimonial Marquee */
.marquee-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.marquee-track {
    display: inline-flex;
    animation: scroll-left 40s linear infinite;
}

.review-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 40px;
    margin: 0 20px;
    width: 400px;
    white-space: normal;
    display: inline-block;
}

.review-text {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.review-author {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.review-company {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--text-muted);
}

@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}