/* ============================================================
   Printivo — Editorial Studio Design System
   "Craft, clarity, confidence"
   Syne (display) + Source Serif 4 (body)
   ============================================================ */

:root {
    /* --- Backgrounds --- */
    --lf-bg:           #F7F1E8;       /* Warm cream */
    --lf-surface:      #EEE8DC;       /* Card / panel surfaces */
    --lf-surface-2:    #E7E0D2;       /* Elevated surfaces */
    --lf-surface-3:    #DDD6C6;       /* Hover / active */

    /* --- Borders --- */
    --lf-border:       rgba(55, 35, 15, 0.13);
    --lf-border-accent: rgba(230, 57, 70, 0.28);

    /* --- Brand: Vermillion + Ink --- */
    --lf-primary:       #E63946;
    --lf-primary-dark:  #BF1F2C;
    --lf-primary-dim:   rgba(230, 57, 70, 0.07);
    --lf-primary-glow:  rgba(230, 57, 70, 0.22);
    --lf-secondary:     #BF1F2C;
    --lf-accent:        #E63946;

    /* --- Text --- */
    --lf-dark:          #1C1008;      /* Deep warm ink */
    --lf-darker:        #0E0804;
    --lf-light:         #EDE8DF;      /* Warm off-white for alternate sections */
    --lf-gray:          #7A6A55;      /* Warm brown-gray */
    --lf-gray-light:    rgba(55, 35, 15, 0.06);

    /* --- Gradients --- */
    --lf-gradient:       linear-gradient(135deg, #E63946 0%, #BF1F2C 100%);
    --lf-gradient-dark:  linear-gradient(135deg, #BF1F2C 0%, #7D0D16 100%);

    /* --- Shadows --- */
    --lf-shadow-sm:  0 1px 3px rgba(55, 35, 15, 0.09);
    --lf-shadow:     0 3px 10px rgba(55, 35, 15, 0.11), 0 1px 3px rgba(55, 35, 15, 0.07);
    --lf-shadow-lg:  0 8px 24px rgba(55, 35, 15, 0.12), 0 2px 6px rgba(55, 35, 15, 0.07);
    --lf-shadow-xl:  0 16px 40px rgba(55, 35, 15, 0.16);

    /* --- Typography --- */
    --lf-font-display: 'Syne', 'Helvetica Neue', Arial, sans-serif;
    --lf-font:         'Source Serif 4', Georgia, 'Times New Roman', serif;
    --lf-font-ui:      'Syne', 'Helvetica Neue', Arial, sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    font-family: var(--lf-font);
    margin: 0;
    padding: 0;
    background: var(--lf-bg);
    color: var(--lf-dark);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== APP SHELL ===== */
.lf-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== HEADER & NAVIGATION ===== */
.lf-header {
    background: rgba(247, 241, 232, 0.93);
    border-bottom: 1px solid rgba(55, 35, 15, 0.10);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.lf-nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lf-nav-brand {
    display: flex;
    align-items: center;
}

.lf-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: var(--lf-dark);
    font-family: var(--lf-font-display);
    font-weight: 800;
    font-size: 1.0625rem;
    letter-spacing: -0.01em;
    transition: color 0.15s;
}

.lf-logo:hover {
    color: var(--lf-primary);
}

.lf-nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lf-nav-link {
    text-decoration: none;
    color: var(--lf-gray);
    font-family: var(--lf-font-ui);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.375rem 0.8125rem;
    border-radius: 6px;
    letter-spacing: -0.01em;
    transition: color 0.15s, background 0.15s;
}

.lf-nav-link:hover {
    color: var(--lf-dark);
    background: var(--lf-surface);
}

.lf-nav-link.active {
    color: var(--lf-primary);
    background: var(--lf-primary-dim);
}

.lf-nav-admin {
    color: var(--lf-primary) !important;
}

.lf-nav-admin:hover {
    color: var(--lf-primary-dark) !important;
    background: var(--lf-primary-dim) !important;
}

.lf-nav-actions {
    display: flex;
    gap: 0.625rem;
    align-items: center;
}

/* ===== BUTTONS ===== */
.lf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5625rem 1.125rem;
    font-family: var(--lf-font-ui);
    font-size: 0.9375rem;
    font-weight: 700;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
    border: 1.5px solid transparent;
    letter-spacing: -0.01em;
    white-space: nowrap;
    line-height: 1.25;
}

.lf-btn-primary {
    background: var(--lf-primary);
    color: #FFFFFF;
    border-color: var(--lf-primary);
}

.lf-btn-primary:hover {
    background: var(--lf-primary-dark);
    border-color: var(--lf-primary-dark);
    box-shadow: 0 4px 14px var(--lf-primary-glow);
    transform: translateY(-1px);
    color: #FFFFFF;
}

.lf-btn-ghost {
    background: transparent;
    color: var(--lf-gray);
    border-color: transparent;
    font-weight: 600;
}

.lf-btn-ghost:hover {
    color: var(--lf-dark);
    background: var(--lf-surface);
    border-color: var(--lf-border);
}

.lf-btn-secondary {
    background: transparent;
    color: var(--lf-dark);
    border-color: rgba(55, 35, 15, 0.28);
}

.lf-btn-secondary:hover {
    background: var(--lf-dark);
    color: var(--lf-bg);
    border-color: var(--lf-dark);
}

.lf-btn-large {
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    border-radius: 4px;
}

/* ===== MAIN ===== */
.lf-main {
    flex: 1;
}

/* ===== HERO ===== */

/* Stripe WebGL gradient canvas */
#gradient-canvas {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    --gradient-color-1: #6ec3f4;
    --gradient-color-2: #3a3aff;
    --gradient-color-3: #ff61ab;
    --gradient-color-4: #E63946;
}

.lf-hero {
    background: #fff;
    padding: 5rem 2rem 6rem;
    text-align: left;
    color: var(--lf-dark);
    position: relative;
    overflow: hidden;
}

/* Gentle white→cream fade at bottom */
.lf-hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, #F7F1E8);
    z-index: 2;
    pointer-events: none;
}

.lf-hero::after { display: none; }

.lf-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 3rem;
    position: relative;
    z-index: 4;
}

/* Hero badge pill — Stripe style: muted, left-aligned */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--lf-font-ui);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--lf-gray);
    background: none;
    border: none;
    padding: 0;
    margin-bottom: 2rem;
    animation: hero-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: 0.1s;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #635bff;
    flex-shrink: 0;
    animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.6; transform: scale(0.85); }
}

.hero-badge a {
    color: #635bff;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}
.hero-badge a:hover { opacity: 0.7; }

/* Staggered hero content reveal */
@keyframes hero-rise {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.lf-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--lf-font-ui);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--lf-primary);
    background: var(--lf-primary-dim);
    border: 1px solid var(--lf-border-accent);
    padding: 0.3125rem 0.875rem;
    border-radius: 2px;
    margin-bottom: 2rem;
}

.lf-hero h1 {
    font-family: var(--lf-font-display);
    font-size: clamp(2.5rem, 4.5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #0a2540;
    outline: none;
    max-width: 620px;
    animation: hero-rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: 0.25s;
}

/* Gradient text — Stripe purple → warm */
.lf-hero h1 .gradient-text {
    background: linear-gradient(135deg, #635bff 0%, #e85d75 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lf-hero h1 em {
    font-style: italic;
    color: var(--lf-primary);
}

.lf-hero p {
    font-size: 1.25rem;
    color: #425466;
    margin-bottom: 2.5rem;
    max-width: 540px;
    line-height: 1.7;
    font-weight: 400;
    animation: hero-rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: 0.40s;
}

.lf-hero-actions {
    display: flex;
    gap: 0.875rem;
    flex-wrap: wrap;
    animation: hero-rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: 0.55s;
}

.lf-hero .lf-btn-primary {
    background: #635bff;
    color: #fff;
    border-color: #635bff;
    font-size: 0.9375rem;
    padding: 0.875rem 2rem;
    border-radius: 999px;
    font-weight: 700;
    transition: background 0.2s, box-shadow 0.3s, transform 0.2s;
}

.lf-hero .lf-btn-primary:hover {
    background: #4f46e5;
    border-color: #4f46e5;
    box-shadow: 0 4px 16px rgba(99, 91, 255, 0.35);
    transform: translateY(-1px);
    color: #fff;
}

.lf-hero .lf-btn-secondary {
    background: #fff;
    color: #0a2540;
    border: 1px solid #e0e6ed;
    font-size: 0.9375rem;
    padding: 0.875rem 2rem;
    border-radius: 999px;
    font-weight: 700;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.lf-hero .lf-btn-secondary:hover {
    background: #f6f9fc;
    border-color: #c0c8d4;
    transform: translateY(-1px);
}

/* ===== SECTIONS ===== */
.lf-section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.lf-section-header h2 {
    font-family: var(--lf-font-display);
    font-size: 2.375rem;
    font-weight: 800;
    color: var(--lf-dark);
    margin-bottom: 0.875rem;
    letter-spacing: -0.01em;
}

.lf-section-header p {
    font-size: 1.0625rem;
    color: var(--lf-gray);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.75;
    font-weight: 300;
}

/* ===== FEATURES ===== */
.lf-features {
    padding: 5rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.lf-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
}

.lf-feature-card {
    background: #FFFFFF;
    border-radius: 4px;
    padding: 2rem;
    border: 1px solid var(--lf-border);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    position: relative;
    overflow: hidden;
}

/* Top accent bar */
.lf-feature-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    height: 2px;
    background: var(--lf-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.lf-feature-card:hover {
    border-color: var(--lf-border-accent);
    box-shadow: var(--lf-shadow-lg);
    transform: translateY(-3px);
}

.lf-feature-card:hover::before {
    transform: scaleX(1);
}

.lf-feature-icon {
    width: 44px;
    height: 44px;
    background: var(--lf-primary-dim);
    border: 1px solid rgba(230, 57, 70, 0.15);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.375rem;
    color: var(--lf-primary);
    font-family: var(--lf-font-display);
    font-size: 1.375rem;
    font-weight: 800;
}

.lf-feature-card h3 {
    font-family: var(--lf-font-display);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.625rem;
    color: var(--lf-dark);
    letter-spacing: 0;
}

.lf-feature-card p {
    color: var(--lf-gray);
    line-height: 1.75;
    font-size: 0.9375rem;
    margin: 0;
}

/* ===== PRICING SECTION ===== */
.lf-pricing {
    padding: 5rem 2rem;
    background: #FFFFFF;
    border-top: 1px solid var(--lf-border);
    border-bottom: 1px solid var(--lf-border);
}

.lf-pricing .lf-section-header h2 {
    color: var(--lf-dark);
}

.lf-pricing .lf-section-header p {
    color: var(--lf-gray);
}

.lf-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
    gap: 1.25rem;
    max-width: 1280px;
    margin: 0 auto;
}

.lf-pricing-card {
    background: var(--lf-bg);
    border-radius: 4px;
    padding: 2rem;
    border: 1px solid var(--lf-border);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.lf-pricing-card.featured {
    border-color: var(--lf-primary);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.07), 0 8px 28px rgba(230, 57, 70, 0.12);
    transform: scale(1.02);
    background: #FFFFFF;
}

.lf-pricing-card:hover {
    border-color: rgba(230, 57, 70, 0.45);
    box-shadow: var(--lf-shadow);
}

.lf-pricing-card h3 {
    font-family: var(--lf-font-display);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--lf-primary);
    margin-bottom: 0.625rem;
}

.lf-pricing-card .price {
    font-family: var(--lf-font-display);
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--lf-dark);
    letter-spacing: -0.01em;
}

.lf-pricing-card .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--lf-gray);
    font-family: var(--lf-font);
    letter-spacing: 0;
}

.lf-pricing-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.lf-pricing-features li {
    padding: 0.4375rem 0;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.9375rem;
    color: var(--lf-gray);
    border-bottom: 1px solid var(--lf-border);
}

.lf-pricing-features li:last-child {
    border-bottom: none;
}

.lf-pricing-features li::before {
    content: '→';
    color: var(--lf-primary);
    font-family: var(--lf-font-display);
    font-weight: 700;
    font-size: 0.8125rem;
    flex-shrink: 0;
}

/* ===== FOOTER ===== */
.lf-footer {
    background: var(--lf-bg);
    color: var(--lf-gray);
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--lf-border);
    position: relative;
    overflow: hidden;
}

.lf-footer::before {
    content: none;
}

.lf-footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    position: relative;
}

.lf-footer-brand .lf-logo {
    color: var(--lf-dark);
    margin-bottom: 1rem;
}

.lf-footer-brand .lf-logo:hover {
    color: var(--lf-primary);
}

.lf-footer-tagline {
    color: var(--lf-gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

.lf-footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.lf-footer-col h4 {
    font-family: var(--lf-font-display);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1.125rem;
    color: var(--lf-dark);
}

.lf-footer-col a {
    display: block;
    color: var(--lf-gray);
    text-decoration: none;
    padding: 0.3125rem 0;
    font-size: 0.875rem;
    font-family: var(--lf-font-ui);
    transition: color 0.15s;
    line-height: 1.5;
}

.lf-footer-col a:hover {
    color: var(--lf-dark);
}

.lf-footer-bottom {
    max-width: 1280px;
    margin: 2.5rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--lf-border);
    text-align: center;
    color: var(--lf-gray);
    font-size: 0.8125rem;
    font-family: var(--lf-font-display);
    position: relative;
}

/* ===== PAGE CONTAINER ===== */
.lf-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.lf-page-header {
    margin-bottom: 2rem;
}

.lf-page-header h1 {
    font-family: var(--lf-font-display);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--lf-dark);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.lf-page-header p {
    color: var(--lf-gray);
    font-size: 1.0625rem;
}

/* ===== TOOL CONTAINER ===== */
.lf-tool-container {
    background: #FFFFFF;
    border-radius: 4px;
    border: 1px solid var(--lf-border);
    overflow: hidden;
}

.lf-tool-header {
    background: var(--lf-surface);
    border-bottom: 1px solid var(--lf-border);
    padding: 1.125rem 1.75rem;
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

/* Status dot */
.lf-tool-header::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--lf-primary);
    flex-shrink: 0;
}

.lf-tool-header h2 {
    font-family: var(--lf-font-display);
    font-size: 1.375rem;
    font-weight: 700;
    margin: 0;
    color: var(--lf-dark);
    letter-spacing: -0.01em;
}

.lf-tool-body {
    padding: 1.75rem;
}

.lf-tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
}

/* ===== CARDS ===== */
.lf-card {
    background: #FFFFFF;
    border-radius: 4px;
    padding: 1.5rem;
    border: 1px solid var(--lf-border);
}

.lf-card-title {
    font-family: var(--lf-font-display);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--lf-dark);
    margin-bottom: 1rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ===== FORMS ===== */
.lf-form-group {
    margin-bottom: 1.375rem;
}

.lf-form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--lf-gray);
    margin-bottom: 0.4375rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-family: var(--lf-font-ui);
}

.lf-form-input {
    width: 100%;
    padding: 0.6875rem 0.875rem;
    background: #FFFFFF;
    border: 1px solid var(--lf-border);
    border-radius: 4px;
    font-size: 0.9375rem;
    color: var(--lf-dark);
    font-family: var(--lf-font);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.lf-form-input::placeholder {
    color: rgba(122, 106, 85, 0.40);
}

.lf-form-input:focus {
    outline: none;
    border-color: var(--lf-primary);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.09);
}

/* ===== PREVIEW BOX ===== */
.lf-preview {
    background: #FFFFFF;
    border: 1px dashed rgba(230, 57, 70, 0.22);
    border-radius: 4px;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lf-preview img {
    max-width: 100%;
    max-height: 700px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .lf-nav {
        padding: 0 1rem;
    }

    .lf-nav-links {
        display: none;
    }

    .lf-hero h1 {
        font-size: 2.75rem;
    }

    .lf-hero {
        padding: 4.5rem 1.5rem 4rem;
    }

    .lf-footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .lf-footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .lf-tool-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== BLAZOR ERROR UI ===== */
#blazor-error-ui {
    background: #FFF5F5;
    border-top: 2px solid var(--lf-primary);
    color: var(--lf-primary-dark);
    padding: 0.875rem 1.5rem;
    text-align: center;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    display: none;
    font-family: var(--lf-font-ui);
    font-size: 0.875rem;
}

#blazor-error-ui .reload {
    color: var(--lf-primary);
    text-decoration: underline;
    margin-left: 1rem;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    margin-left: 1rem;
    color: var(--lf-gray);
}