/**
 * PDF Landing Page Styles
 *
 * Mobile-first responsive styles for the Content Upgrade landing pages.
 *
 * @package BMAD_B2B_Theme
 * @subpackage PDF_Lead_Magnet
 * @since 2.0.0
 * @story 5.2
 */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

.pdf-landing {
    --pdf-primary: #003D82;
    --pdf-primary-dark: #002d61;
    --pdf-accent: #00B894;
    --pdf-accent-dark: #00a884;
    --pdf-text: #212529;
    --pdf-text-light: #6c757d;
    --pdf-bg-light: #f8f9fa;
    --pdf-bg-white: #ffffff;
    --pdf-border: #e9ecef;
    --pdf-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --pdf-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --pdf-radius: 8px;
    --pdf-radius-sm: 4px;
    --pdf-transition: 0.3s ease;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

.pdf-landing {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--pdf-text);
}

.pdf-landing *,
.pdf-landing *::before,
.pdf-landing *::after {
    box-sizing: border-box;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.pdf-hero {
    padding: 2rem 1rem;
    background: linear-gradient(135deg, var(--pdf-bg-light) 0%, var(--pdf-bg-white) 100%);
}

.pdf-hero__container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Hero Image */
.pdf-hero__image {
    text-align: center;
    order: 1;
}

.pdf-hero__mockup-wrapper {
    position: relative;
    display: inline-block;
    padding: 16px 16px 16px 24px;
}

/* Stacked pages effect - back layer */
.pdf-hero__mockup-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 8px;
    right: 0;
    bottom: 32px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    z-index: -2;
}

/* Stacked pages effect - middle layer */
.pdf-hero__mockup-wrapper::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 16px;
    right: 8px;
    bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    z-index: -1;
}

/* Main cover image */
.pdf-hero__mockup {
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    transform: perspective(1000px) rotateY(-3deg);
    box-shadow:
        0 20px 40px -10px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

/* Hover effect */
.pdf-hero__mockup-wrapper:hover .pdf-hero__mockup {
    transform: perspective(1000px) rotateY(0deg) translateY(-6px);
    box-shadow:
        0 30px 50px -15px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(0, 0, 0, 0.05);
}

/* Floor shadow */
.pdf-hero__mockup-shadow {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 75%;
    height: 24px;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.15) 0%, transparent 70%);
    filter: blur(8px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -3;
}

.pdf-hero__mockup-wrapper:hover .pdf-hero__mockup-shadow {
    transform: translateX(-50%) scale(1.05);
    opacity: 0.7;
}

/* Hero Content */
.pdf-hero__content {
    order: 2;
}

.pdf-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--pdf-primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.pdf-hero__badge-icon {
    width: 16px;
    height: 16px;
}

.pdf-hero__persona-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--pdf-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--pdf-radius-sm);
    margin-left: 0.5rem;
    vertical-align: middle;
}

.pdf-hero__title {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--pdf-text);
    margin: 0 0 1rem;
}

.pdf-hero__subtitle {
    font-size: 1.125rem;
    color: var(--pdf-text-light);
    margin: 0 0 1.5rem;
}

/* Hero Trust Badges */
.pdf-hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.pdf-hero__trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--pdf-text-light);
}

.pdf-hero__trust-badge svg {
    width: 16px;
    height: 16px;
    color: var(--pdf-accent);
}

/* ==========================================================================
   Compact Signup Form (Hero)
   ========================================================================== */

.pdf-signup-compact {
    background: var(--pdf-bg-white);
    padding: 1.5rem;
    border-radius: var(--pdf-radius);
    box-shadow: var(--pdf-shadow);
    border: 2px solid var(--pdf-border);
}

.pdf-signup-compact__row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pdf-signup-compact__field {
    flex: 1;
}

.pdf-signup-compact__input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    font-size: 16px; /* Prevents iOS zoom */
    transition: border-color var(--pdf-transition);
}

.pdf-signup-compact__input:focus {
    outline: none;
    border-color: var(--pdf-primary);
}

.pdf-signup-compact__input::placeholder {
    color: #adb5bd;
}

.pdf-signup-compact__button {
    width: 100%;
    padding: 14px 24px;
    background: var(--pdf-accent);
    color: white;
    border: none;
    border-radius: var(--pdf-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--pdf-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px; /* Touch target */
}

.pdf-signup-compact__button:hover {
    background: var(--pdf-accent-dark);
}

.pdf-signup-compact__button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.pdf-signup-compact__hint {
    font-size: 0.8125rem;
    color: var(--pdf-text-light);
    margin: 0.75rem 0 0;
    text-align: center;
}

.pdf-signup-compact__fields {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.pdf-signup-compact__consents {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.pdf-signup-compact__consent {
    text-align: left;
}

.pdf-signup-compact__checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--pdf-text-light);
    line-height: 1.4;
}

.pdf-signup-compact__checkbox {
    width: 18px;
    height: 18px;
    margin: 0;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--pdf-primary);
    margin-top: 2px;
}

.pdf-signup-compact__checkbox-text {
    flex: 1;
}

.pdf-signup-compact__checkbox-text a {
    color: var(--pdf-primary);
    text-decoration: underline;
}

.pdf-signup-compact__checkbox-text a:hover {
    color: var(--pdf-primary-dark);
}

.pdf-signup-compact__error {
    display: block;
    font-size: 0.75rem;
    color: #dc3545;
    margin-top: 0.25rem;
    padding-left: 1.625rem;
}

.pdf-signup-compact__checkbox.has-error {
    outline: 2px solid #dc3545;
    outline-offset: 2px;
}

/* ==========================================================================
   Success State
   ========================================================================== */

.pdf-signup-success {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border: 2px solid #4caf50;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    animation: fadeInUp 0.4s ease-out;
}

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

.pdf-signup-success__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: #4caf50;
    border-radius: 50%;
    margin-bottom: 1rem;
    color: white;
    animation: scaleIn 0.3s ease-out 0.2s both;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.pdf-signup-success__title {
    margin: 0 0 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2e7d32;
}

.pdf-signup-success__message {
    margin: 0 0 1rem;
    font-size: 1rem;
    color: #333;
    line-height: 1.6;
}

.pdf-signup-success__email {
    color: #1565c0;
    word-break: break-all;
}

.pdf-signup-success__instructions {
    margin: 0 0 1.5rem;
    font-size: 0.9375rem;
    color: #555;
    background: rgba(255, 255, 255, 0.7);
    padding: 1rem;
    border-radius: 8px;
}

.pdf-signup-success__help {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: 1rem;
    font-size: 0.875rem;
    color: #666;
}

.pdf-signup-success__help p {
    margin: 0 0 0.5rem;
}

.pdf-signup-success__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pdf-signup-success__resend {
    background: transparent;
    border: 1px solid #4caf50;
    color: #2e7d32;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pdf-signup-success__resend:hover:not(:disabled) {
    background: #4caf50;
    color: white;
}

.pdf-signup-success__resend:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.pdf-signup-success__resend--sent {
    background: #4caf50;
    color: white;
    border-color: #4caf50;
}

.pdf-signup-success__resend--error {
    background: #f44336;
    color: white;
    border-color: #f44336;
}

.pdf-signup-success__divider {
    color: #999;
}

.pdf-signup-success__spam-hint {
    color: #888;
}

/* Next Step Section (Potenzialanalyse - appears after signup) */
.pdf-next-step-section {
    display: none;
    margin-top: 2rem;
    padding: 2.5rem 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    opacity: 0;
    transform: translateY(20px);
}

.pdf-next-step-section.is-visible {
    display: block;
    animation: slideInUp 0.6s ease-out forwards;
}

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

.pdf-next-step-section__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.pdf-next-step-section__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    border-radius: 16px;
    color: white;
    margin-bottom: 1.25rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.pdf-next-step-section__icon svg {
    width: 32px;
    height: 32px;
}

.pdf-next-step-section__content {
    margin-bottom: 1.5rem;
}

.pdf-next-step-section__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin: 0 0 0.75rem;
}

.pdf-next-step-section__text {
    font-size: 1.0625rem;
    color: #4b5563;
    line-height: 1.7;
    margin: 0;
}

.pdf-next-step-section__button {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--pdf-primary, #003D82) 0%, #1e40af 100%);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 61, 130, 0.25);
}

.pdf-next-step-section__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 61, 130, 0.35);
}

.pdf-next-step-section__button svg {
    transition: transform 0.2s ease;
}

.pdf-next-step-section__button:hover svg {
    transform: translateX(4px);
}

/* Desktop styles for Next Step Section */
@media (min-width: 768px) {
    .pdf-next-step-section {
        margin-top: 3rem;
        padding: 3rem 2rem;
    }

    .pdf-next-step-section__title {
        font-size: 1.75rem;
    }

    .pdf-next-step-section__text {
        font-size: 1.125rem;
    }

    .pdf-next-step-section__button {
        padding: 1rem 2rem;
        font-size: 1.0625rem;
    }
}

/* ==========================================================================
   Teaser Section
   ========================================================================== */

.pdf-teaser {
    padding: 3rem 1rem;
    background: var(--pdf-bg-white);
}

.pdf-teaser__container {
    max-width: 800px;
    margin: 0 auto;
}

.pdf-teaser__header {
    text-align: center;
    margin-bottom: 2rem;
}

.pdf-teaser__label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #e8f5e9;
    color: #2e7d32;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.pdf-teaser__label svg {
    width: 18px;
    height: 18px;
}

.pdf-teaser__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pdf-text);
    margin: 0 0 0.75rem;
}

/* Meta Info (Page Count, Reading Time) */
.pdf-teaser__meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 0.75rem;
}

.pdf-teaser__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--pdf-text-light);
}

.pdf-teaser__meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--pdf-primary);
}

/* Hook Section */
.pdf-teaser__hook {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--pdf-text);
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-align: center;
}

.pdf-teaser__hook-prefix {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pdf-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Context Section */
.pdf-teaser__context {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--pdf-text);
    margin-bottom: 2rem;
    background: var(--pdf-bg-light);
    padding: 1.25rem 1.5rem;
    border-radius: var(--pdf-radius);
    border-left: 4px solid var(--pdf-primary);
}

/* Credibility Section */
.pdf-teaser__credibility {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: #e8f5e9;
    border-radius: var(--pdf-radius);
    margin-bottom: 2rem;
}

.pdf-teaser__credibility svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: #2e7d32;
    margin-top: 2px;
}

.pdf-teaser__credibility p {
    margin: 0;
    font-size: 0.9375rem;
    color: #1b5e20;
    line-height: 1.5;
}

/* TOC Preview */
.pdf-teaser__toc {
    background: var(--pdf-bg-light);
    padding: 1.5rem;
    border-radius: var(--pdf-radius);
    margin-bottom: 2rem;
}

.pdf-teaser__toc-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--pdf-text);
    margin: 0 0 1rem;
}

.pdf-teaser__toc-title svg {
    width: 18px;
    height: 18px;
    color: var(--pdf-primary);
}

.pdf-teaser__toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: toc-counter;
}

.pdf-teaser__toc-item {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--pdf-border);
}

.pdf-teaser__toc-item:last-child {
    border-bottom: none;
}

.pdf-teaser__toc-number {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pdf-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50%;
}

.pdf-teaser__toc-text {
    font-size: 0.9375rem;
    color: var(--pdf-text);
}

/* Learning Points */
.pdf-teaser__learning-points {
    background: var(--pdf-bg-light);
    padding: 1.5rem;
    border-radius: var(--pdf-radius);
    margin-bottom: 2rem;
}

.pdf-teaser__learning-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pdf-text);
    margin: 0 0 1rem;
}

.pdf-teaser__learning-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.pdf-teaser__learning-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.pdf-teaser__learning-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pdf-accent);
    color: white;
    border-radius: 50%;
    padding: 4px;
}

.pdf-teaser__learning-icon svg {
    width: 100%;
    height: 100%;
}

.pdf-teaser__learning-text {
    font-size: 0.9375rem;
    color: var(--pdf-text);
}

/* Teaser Content */
.pdf-teaser__content {
    position: relative;
    margin-bottom: 2rem;
}

.pdf-teaser__content-body {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--pdf-text);
}

.pdf-teaser__content-body p {
    margin: 0 0 1rem;
}

.pdf-teaser__content-body h2,
.pdf-teaser__content-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem;
}

.pdf-teaser__content-body ul,
.pdf-teaser__content-body ol {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
}

.pdf-teaser__content-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--pdf-bg-white));
    pointer-events: none;
}

/* Locked Content Section */
.pdf-teaser__locked {
    margin-top: 2rem;
    position: relative;
}

.pdf-teaser__locked-overlay {
    background: linear-gradient(to bottom,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.9) 15%,
        rgba(248, 249, 250, 1) 100%
    );
    padding: 3rem 2rem 2rem;
    text-align: center;
    border-radius: var(--pdf-radius);
    border: 2px dashed var(--pdf-border);
}

.pdf-teaser__locked-content {
    max-width: 400px;
    margin: 0 auto;
}

.pdf-teaser__locked-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: var(--pdf-primary);
    color: white;
    border-radius: 50%;
}

.pdf-teaser__locked-icon svg {
    width: 32px;
    height: 32px;
}

.pdf-teaser__locked-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pdf-text);
    margin: 0 0 1rem;
}

.pdf-teaser__locked-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    text-align: left;
}

.pdf-teaser__locked-list li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.75rem;
    font-size: 0.9375rem;
    color: var(--pdf-text);
}

.pdf-teaser__locked-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background: var(--pdf-accent);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: 12px 12px;
    background-position: center;
    background-repeat: no-repeat;
}

/* Unlock Prompt */
.pdf-teaser__unlock-prompt {
    background: linear-gradient(135deg, var(--pdf-primary) 0%, var(--pdf-primary-dark) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--pdf-radius);
    text-align: center;
}

.pdf-teaser__unlock-text {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.75rem;
    margin: 0 0 1.5rem;
    font-size: 1rem;
}

.pdf-teaser__unlock-text svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.pdf-teaser__unlock-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 14px 28px;
    background: var(--pdf-accent);
    color: white;
    text-decoration: none;
    border-radius: var(--pdf-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    transition: background var(--pdf-transition), transform var(--pdf-transition);
}

.pdf-teaser__unlock-button:hover {
    background: var(--pdf-accent-dark);
    transform: translateY(-2px);
}

/* ==========================================================================
   Full Signup Form Section
   ========================================================================== */

.pdf-signup-section {
    padding: 4rem 1rem;
    background: var(--pdf-bg-light);
}

.pdf-signup-section__container {
    max-width: 540px;
    margin: 0 auto;
}

.pdf-signup-section__header {
    text-align: center;
    margin-bottom: 2rem;
}

.pdf-signup-section__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pdf-text);
    margin: 0 0 0.5rem;
}

.pdf-signup-section__subtitle {
    font-size: 1rem;
    color: var(--pdf-text-light);
    margin: 0;
}

/* Signup Form */
.pdf-signup {
    background: var(--pdf-bg-white);
    padding: 2rem;
    border-radius: var(--pdf-radius);
    box-shadow: var(--pdf-shadow);
}

.pdf-signup__fields {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pdf-signup__field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.pdf-signup__label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pdf-text);
}

.pdf-signup__label .required {
    color: #dc3545;
}

.pdf-signup__label .optional {
    font-weight: 400;
    color: var(--pdf-text-light);
}

.pdf-signup__input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    font-size: 16px;
    transition: border-color var(--pdf-transition), box-shadow var(--pdf-transition);
}

.pdf-signup__input:focus {
    outline: none;
    border-color: var(--pdf-primary);
    box-shadow: 0 0 0 3px rgba(0, 61, 130, 0.1);
}

.pdf-signup__input.has-error {
    border-color: #dc3545;
}

.pdf-signup__error {
    font-size: 0.8125rem;
    color: #dc3545;
    min-height: 1.2em;
}

/* Consent Checkboxes */
.pdf-signup__consents {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pdf-signup__consent {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.pdf-signup__checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.pdf-signup__checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.pdf-signup__checkbox-custom {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--pdf-transition);
    margin-top: 2px;
}

.pdf-signup__checkbox-custom svg {
    width: 14px;
    height: 14px;
    stroke: white;
    opacity: 0;
    transition: opacity var(--pdf-transition);
}

.pdf-signup__checkbox:checked + .pdf-signup__checkbox-custom {
    background: var(--pdf-accent);
    border-color: var(--pdf-accent);
}

.pdf-signup__checkbox:checked + .pdf-signup__checkbox-custom svg {
    opacity: 1;
}

.pdf-signup__checkbox:focus + .pdf-signup__checkbox-custom {
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.2);
}

.pdf-signup__checkbox-text {
    font-size: 0.875rem;
    color: var(--pdf-text);
    line-height: 1.5;
}

.pdf-signup__checkbox-text a {
    color: var(--pdf-primary);
    text-decoration: underline;
}

.pdf-signup__checkbox-text .required {
    color: #dc3545;
}

.pdf-signup__checkbox-hint {
    display: block;
    font-size: 0.8125rem;
    color: var(--pdf-text-light);
    margin-top: 0.25rem;
}

/* Submit Button */
.pdf-signup__button {
    width: 100%;
    padding: 16px 24px;
    background: var(--pdf-accent);
    color: white;
    border: none;
    border-radius: var(--pdf-radius-sm);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: background var(--pdf-transition), transform var(--pdf-transition);
    min-height: 56px;
}

.pdf-signup__button:hover {
    background: var(--pdf-accent-dark);
    transform: translateY(-2px);
}

.pdf-signup__button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.pdf-signup__button-icon {
    width: 20px;
    height: 20px;
}

.pdf-signup__spinner {
    animation: pdf-spin 1s linear infinite;
}

@keyframes pdf-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.pdf-signup__guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 1rem 0 0;
    font-size: 0.8125rem;
    color: var(--pdf-text-light);
}

.pdf-signup__guarantee svg {
    width: 16px;
    height: 16px;
    color: var(--pdf-accent);
}

/* Success Message */
.pdf-signup-success {
    background: var(--pdf-bg-white);
    padding: 3rem 2rem;
    border-radius: var(--pdf-radius);
    box-shadow: var(--pdf-shadow);
    text-align: center;
}

.pdf-signup-success__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: #e8f5e9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pdf-accent);
}

.pdf-signup-success__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pdf-text);
    margin: 0 0 1rem;
}

.pdf-signup-success__message {
    font-size: 1rem;
    color: var(--pdf-text);
    margin: 0 0 1.5rem;
}

.pdf-signup-success__hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--pdf-text-light);
    margin: 0;
}

.pdf-signup-success__hint svg {
    flex-shrink: 0;
}

.pdf-signup-success__resend {
    color: var(--pdf-primary);
    text-decoration: underline;
}

/* ==========================================================================
   Trust Elements Section
   ========================================================================== */

.pdf-trust {
    padding: 3rem 1rem;
    background: var(--pdf-bg-white);
}

.pdf-trust__container {
    max-width: 1000px;
    margin: 0 auto;
}

.pdf-trust__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pdf-text);
    text-align: center;
    margin: 0 0 2rem;
}

.pdf-trust__grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.pdf-trust__item {
    text-align: center;
    padding: 1.5rem;
    background: var(--pdf-bg-light);
    border-radius: var(--pdf-radius);
}

.pdf-trust__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: var(--pdf-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-trust__icon--dsgvo { background: #2e7d32; }
.pdf-trust__icon--spam { background: var(--pdf-primary); }
.pdf-trust__icon--instant { background: #f57c00; }
.pdf-trust__icon--community { background: var(--pdf-accent); }

.pdf-trust__item-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pdf-text);
    margin: 0 0 0.5rem;
}

.pdf-trust__item-text {
    font-size: 0.875rem;
    color: var(--pdf-text-light);
    margin: 0;
    line-height: 1.5;
}

/* Trust Badges */
.pdf-trust__badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--pdf-border);
}

.pdf-trust__badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--pdf-bg-light);
    border-radius: 50px;
    font-size: 0.8125rem;
    color: var(--pdf-text-light);
}

.pdf-trust__badge svg {
    width: 18px;
    height: 18px;
    color: var(--pdf-accent);
}

/* ==========================================================================
   Social Proof Section
   ========================================================================== */

.pdf-social-proof {
    padding: 3rem 1rem;
    background: var(--pdf-bg-light);
}

.pdf-social-proof__container {
    max-width: 1000px;
    margin: 0 auto;
}

/* Stats */
.pdf-social-proof__stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--pdf-border);
}

.pdf-social-proof__stat {
    text-align: center;
}

.pdf-social-proof__stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--pdf-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.pdf-social-proof__stat-label {
    font-size: 0.875rem;
    color: var(--pdf-text-light);
}

.pdf-social-proof__stars {
    display: flex;
    gap: 2px;
    justify-content: center;
    color: #ffc107;
    margin-top: 0.25rem;
}

/* Testimonials */
.pdf-social-proof__testimonials {
    margin-bottom: 2rem;
}

.pdf-social-proof__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pdf-text);
    text-align: center;
    margin: 0 0 1.5rem;
}

.pdf-social-proof__testimonial-grid {
    display: grid;
    gap: 1.5rem;
}

.pdf-social-proof__testimonial {
    background: var(--pdf-bg-white);
    padding: 1.5rem;
    border-radius: var(--pdf-radius);
    box-shadow: var(--pdf-shadow);
}

.pdf-social-proof__quote {
    margin: 0 0 1rem;
    position: relative;
}

.pdf-social-proof__quote-icon {
    position: absolute;
    top: -8px;
    left: -4px;
    width: 24px;
    height: 24px;
    color: var(--pdf-accent);
    opacity: 0.3;
}

.pdf-social-proof__quote p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--pdf-text);
    font-style: italic;
    padding-left: 1.5rem;
}

.pdf-social-proof__author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pdf-social-proof__author-avatar {
    width: 40px;
    height: 40px;
    background: var(--pdf-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.pdf-social-proof__author-info {
    display: flex;
    flex-direction: column;
}

.pdf-social-proof__author-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pdf-text);
}

.pdf-social-proof__author-role {
    font-size: 0.75rem;
    color: var(--pdf-text-light);
}

/* Company Logos */
.pdf-social-proof__logos {
    margin-bottom: 2rem;
    text-align: center;
}

.pdf-social-proof__logos-label {
    font-size: 0.875rem;
    color: var(--pdf-text-light);
    margin: 0 0 1rem;
}

.pdf-social-proof__logos-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.pdf-social-proof__logo {
    max-height: 40px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--pdf-transition);
}

.pdf-social-proof__logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* CTA */
.pdf-social-proof__cta {
    text-align: center;
    padding: 2rem;
    background: var(--pdf-bg-white);
    border-radius: var(--pdf-radius);
}

.pdf-social-proof__cta-text {
    font-size: 1rem;
    color: var(--pdf-text);
    margin: 0 0 1rem;
}

.pdf-social-proof__cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 14px 28px;
    background: var(--pdf-accent);
    color: white;
    text-decoration: none;
    border-radius: var(--pdf-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    transition: background var(--pdf-transition), transform var(--pdf-transition);
}

.pdf-social-proof__cta-button:hover {
    background: var(--pdf-accent-dark);
    transform: translateY(-2px);
}

/* ==========================================================================
   Screen Reader Only
   ========================================================================== */

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Desktop Styles (768px+)
   ========================================================================== */

@media (min-width: 768px) {
    /* Hero */
    .pdf-hero {
        padding: 4rem 2rem;
    }

    .pdf-hero__container {
        flex-direction: row;
        align-items: center;
        gap: 4rem;
    }

    .pdf-hero__image {
        flex: 0 0 40%;
        order: 1;
    }

    .pdf-hero__content {
        flex: 1;
        order: 2;
    }

    .pdf-hero__mockup {
        max-width: 340px;
    }

    .pdf-hero__title {
        font-size: 2.5rem;
    }

    .pdf-hero__subtitle {
        font-size: 1.25rem;
    }

    /* Compact Signup */
    .pdf-signup-compact__fields {
        flex-direction: row;
    }

    .pdf-signup-compact__field {
        flex: 1;
    }

    .pdf-signup-compact__button {
        width: auto;
        flex-shrink: 0;
    }

    /* Teaser */
    .pdf-teaser {
        padding: 4rem 2rem;
    }

    .pdf-teaser__title {
        font-size: 1.75rem;
    }

    .pdf-teaser__learning-list {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Signup Section */
    .pdf-signup-section {
        padding: 5rem 2rem;
    }

    .pdf-signup-section__title {
        font-size: 2rem;
    }

    .pdf-signup__fields {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Trust */
    .pdf-trust {
        padding: 4rem 2rem;
    }

    .pdf-trust__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Social Proof */
    .pdf-social-proof {
        padding: 4rem 2rem;
    }

    .pdf-social-proof__testimonial-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   Large Desktop Styles (1024px+)
   ========================================================================== */

@media (min-width: 1024px) {
    .pdf-hero__title {
        font-size: 3rem;
    }

    .pdf-trust__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================================
   Sticky CTA for Mobile
   ========================================================================== */

.pdf-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--pdf-bg-white);
    padding: 1rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.pdf-sticky-cta.is-visible {
    transform: translateY(0);
}

.pdf-sticky-cta__container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pdf-sticky-cta__text {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pdf-text);
    line-height: 1.3;
}

.pdf-sticky-cta__button {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 20px;
    background: var(--pdf-accent);
    color: white;
    text-decoration: none;
    border-radius: var(--pdf-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    transition: background var(--pdf-transition);
    white-space: nowrap;
}

.pdf-sticky-cta__button:hover {
    background: var(--pdf-accent-dark);
}

.pdf-sticky-cta__button svg {
    width: 16px;
    height: 16px;
}

/* Hide sticky CTA on desktop */
@media (min-width: 768px) {
    .pdf-sticky-cta {
        display: none;
    }
}

/* Add padding to body when sticky CTA is visible on mobile */
body.has-sticky-cta {
    padding-bottom: 80px;
}

@media (min-width: 768px) {
    body.has-sticky-cta {
        padding-bottom: 0;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .pdf-signup-compact,
    .pdf-signup-section,
    .pdf-social-proof__cta,
    .pdf-sticky-cta {
        display: none;
    }
}

/* ==========================================================================
   Next Step Section (Potenzialanalyse - Subtle)
   ========================================================================== */

.pdf-next-step {
    padding: 3rem 1rem;
    background: var(--pdf-bg-white);
}

.pdf-next-step__container {
    max-width: 720px;
    margin: 0 auto;
}

.pdf-next-step__box {
    background: linear-gradient(135deg, #f0f7ff 0%, #f8fafc 100%);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.pdf-next-step__header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.pdf-next-step__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pdf-primary);
    color: white;
    border-radius: 10px;
}

.pdf-next-step__icon svg {
    width: 20px;
    height: 20px;
}

.pdf-next-step__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--pdf-text);
    margin: 0;
    padding-top: 0.5rem;
}

.pdf-next-step__intro {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--pdf-text);
    margin: 0 0 1rem;
}

.pdf-next-step__intro em {
    color: var(--pdf-primary);
    font-style: italic;
}

.pdf-next-step__description {
    font-size: 0.9375rem;
    color: var(--pdf-text);
    margin: 0 0 0.75rem;
}

.pdf-next-step__benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
}

.pdf-next-step__benefits li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    color: var(--pdf-text);
    line-height: 1.5;
}

.pdf-next-step__benefits li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: var(--pdf-primary);
    border-radius: 50%;
}

.pdf-next-step__note {
    font-size: 0.875rem;
    color: var(--pdf-text-light);
    margin: 0 0 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

.pdf-next-step__cta {
    margin-top: 0.5rem;
}

.pdf-next-step__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--pdf-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--pdf-transition), gap var(--pdf-transition);
}

.pdf-next-step__link:hover {
    color: var(--pdf-primary-dark);
    gap: 0.75rem;
}

.pdf-next-step__link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--pdf-transition);
}

.pdf-next-step__link:hover svg {
    transform: translateX(2px);
}

/* Desktop styles */
@media (min-width: 768px) {
    .pdf-next-step {
        padding: 4rem 2rem;
    }

    .pdf-next-step__box {
        padding: 2.5rem;
    }

    .pdf-next-step__title {
        font-size: 1.375rem;
    }
}