/**
 * Poradnik.pro Landing V5 - Styles
 *
 * High-conversion landing page design
 * Modern, clean, optimized for lead generation
 *
 * @package PearBlog
 * @version 5.0.0
 */

/* ========================================================================
   CSS Variables
   ======================================================================== */

:root {
    /* Brand Colors */
    --plv5-primary: #0066ff;
    --plv5-primary-dark: #0052cc;
    --plv5-secondary: #00d4ff;
    --plv5-accent: #ff3d00;

    /* Gradients */
    --plv5-gradient-primary: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
    --plv5-gradient-hero: linear-gradient(135deg, rgba(0, 102, 255, 0.95) 0%, rgba(0, 212, 255, 0.85) 100%);

    /* Neutral Colors */
    --plv5-white: #ffffff;
    --plv5-black: #0a0e1a;
    --plv5-gray-50: #f9fafb;
    --plv5-gray-100: #f3f4f6;
    --plv5-gray-200: #e5e7eb;
    --plv5-gray-300: #d1d5db;
    --plv5-gray-400: #9ca3af;
    --plv5-gray-500: #6b7280;
    --plv5-gray-600: #4b5563;
    --plv5-gray-700: #374151;
    --plv5-gray-800: #1f2937;
    --plv5-gray-900: #111827;

    /* Semantic Colors */
    --plv5-success: #00c853;
    --plv5-warning: #ffa726;
    --plv5-error: #f44336;
    --plv5-info: #2196f3;

    /* Spacing */
    --plv5-spacing-xs: 0.5rem;
    --plv5-spacing-sm: 1rem;
    --plv5-spacing-md: 1.5rem;
    --plv5-spacing-lg: 2rem;
    --plv5-spacing-xl: 3rem;
    --plv5-spacing-2xl: 4rem;
    --plv5-spacing-3xl: 6rem;

    /* Border Radius */
    --plv5-radius-sm: 0.375rem;
    --plv5-radius-md: 0.5rem;
    --plv5-radius-lg: 0.75rem;
    --plv5-radius-xl: 1rem;
    --plv5-radius-full: 9999px;

    /* Shadows */
    --plv5-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --plv5-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --plv5-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --plv5-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Typography */
    --plv5-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --plv5-font-display: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Transitions */
    --plv5-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --plv5-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================================================
   Base Reset
   ======================================================================== */

.poradnik-landing-v5 {
    font-family: var(--plv5-font-sans);
    color: var(--plv5-gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.poradnik-landing-v5 *,
.poradnik-landing-v5 *::before,
.poradnik-landing-v5 *::after {
    box-sizing: border-box;
}

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

.plv5-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 1rem;
    overflow: hidden;
    background: var(--plv5-gradient-hero);
}

.plv5-hero__bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.plv5-hero__bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.9) 0%, rgba(0, 212, 255, 0.8) 100%);
}

.plv5-hero__content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    color: var(--plv5-white);
}

.plv5-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--plv5-radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: plv5-fadeInUp 0.6s ease-out;
}

.plv5-hero__title {
    font-family: var(--plv5-font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 1rem;
    animation: plv5-fadeInUp 0.6s ease-out 0.1s backwards;
}

.plv5-hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.6;
    margin: 0 0 2rem;
    opacity: 0.95;
    animation: plv5-fadeInUp 0.6s ease-out 0.2s backwards;
}

/* Hero Form */
.plv5-hero__form {
    max-width: 700px;
    margin: 0 auto 2rem;
    animation: plv5-fadeInUp 0.6s ease-out 0.3s backwards;
}

.plv5-form__row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.plv5-form__input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid transparent;
    border-radius: var(--plv5-radius-lg);
    background: var(--plv5-white);
    color: var(--plv5-gray-900);
    transition: var(--plv5-transition);
}

.plv5-form__input:focus {
    outline: none;
    border-color: var(--plv5-secondary);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.2);
}

.plv5-form__input--large {
    padding: 1.25rem 1.5rem;
    font-size: 1.125rem;
}

.plv5-form__privacy {
    margin-top: 1rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

.plv5-form__privacy a {
    color: var(--plv5-white);
    text-decoration: underline;
}

/* Buttons */
.plv5-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--plv5-radius-lg);
    cursor: pointer;
    transition: var(--plv5-transition);
    text-decoration: none;
    white-space: nowrap;
}

.plv5-btn--primary {
    background: var(--plv5-white);
    color: var(--plv5-primary);
}

.plv5-btn--primary:hover {
    background: var(--plv5-gray-100);
    transform: translateY(-2px);
    box-shadow: var(--plv5-shadow-xl);
}

.plv5-btn--secondary {
    background: var(--plv5-accent);
    color: var(--plv5-white);
}

.plv5-btn--secondary:hover {
    background: #e63900;
    transform: translateY(-2px);
    box-shadow: var(--plv5-shadow-xl);
}

.plv5-btn--large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.plv5-btn svg {
    width: 20px;
    height: 20px;
}

/* Trust Signals */
.plv5-hero__trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    animation: plv5-fadeInUp 0.6s ease-out 0.4s backwards;
}

.plv5-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.plv5-trust-item__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

/* Scroll Indicator */
.plv5-hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--plv5-white);
    font-size: 0.875rem;
    opacity: 0.7;
    animation: plv5-bounce 2s infinite;
}

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

.plv5-social-proof {
    padding: 2rem 1rem;
    background: var(--plv5-gray-50);
    border-bottom: 1px solid var(--plv5-gray-200);
}

.plv5-social-proof__title {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--plv5-gray-500);
    margin-bottom: 1.5rem;
}

.plv5-social-proof__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.plv5-social-proof__logo {
    opacity: 0.6;
    transition: var(--plv5-transition);
}

.plv5-social-proof__logo:hover {
    opacity: 1;
}

.plv5-social-proof__logo span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--plv5-gray-700);
}

/* ========================================================================
   Section Titles
   ======================================================================== */

.plv5-section-title {
    font-family: var(--plv5-font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    margin: 0 0 0.5rem;
    color: var(--plv5-gray-900);
}

.plv5-section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    text-align: center;
    color: var(--plv5-gray-600);
    margin: 0 0 3rem;
}

/* ========================================================================
   How It Works
   ======================================================================== */

.plv5-how-it-works {
    padding: var(--plv5-spacing-3xl) 1rem;
    background: var(--plv5-white);
}

.plv5-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.plv5-step {
    position: relative;
    text-align: center;
    padding: 2rem;
}

.plv5-step__number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--plv5-gradient-primary);
    color: var(--plv5-white);
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: var(--plv5-shadow-lg);
}

.plv5-step__icon {
    font-size: 4rem;
    margin: 1rem 0;
}

.plv5-step__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 1rem 0 0.5rem;
    color: var(--plv5-gray-900);
}

.plv5-step__description {
    color: var(--plv5-gray-600);
    line-height: 1.6;
}

/* ========================================================================
   Features Grid
   ======================================================================== */

.plv5-features {
    padding: var(--plv5-spacing-3xl) 1rem;
    background: var(--plv5-gray-50);
}

.plv5-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.plv5-feature {
    padding: 2rem;
    background: var(--plv5-white);
    border-radius: var(--plv5-radius-xl);
    box-shadow: var(--plv5-shadow-md);
    transition: var(--plv5-transition);
}

.plv5-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--plv5-shadow-xl);
}

.plv5-feature__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.plv5-feature__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: var(--plv5-gray-900);
}

.plv5-feature__description {
    color: var(--plv5-gray-600);
    line-height: 1.6;
}

/* ========================================================================
   Stats Section
   ======================================================================== */

.plv5-stats {
    padding: var(--plv5-spacing-3xl) 1rem;
    background: var(--plv5-gradient-primary);
    color: var(--plv5-white);
}

.plv5-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.plv5-stat__number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.plv5-stat__label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ========================================================================
   Testimonials
   ======================================================================== */

.plv5-testimonials {
    padding: var(--plv5-spacing-3xl) 1rem;
    background: var(--plv5-white);
}

.plv5-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.plv5-testimonial {
    padding: 2rem;
    background: var(--plv5-gray-50);
    border-radius: var(--plv5-radius-xl);
    border: 2px solid var(--plv5-gray-200);
    transition: var(--plv5-transition);
}

.plv5-testimonial:hover {
    border-color: var(--plv5-primary);
    transform: translateY(-4px);
    box-shadow: var(--plv5-shadow-xl);
}

.plv5-testimonial__rating {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.plv5-testimonial__text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--plv5-gray-700);
    margin: 0 0 1.5rem;
}

.plv5-testimonial__author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.plv5-testimonial__avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--plv5-white);
    border-radius: 50%;
    font-size: 1.5rem;
}

.plv5-testimonial__name {
    font-weight: 700;
    color: var(--plv5-gray-900);
}

.plv5-testimonial__role {
    font-size: 0.875rem;
    color: var(--plv5-gray-600);
}

/* ========================================================================
   CTA Section
   ======================================================================== */

.plv5-cta {
    padding: var(--plv5-spacing-3xl) 1rem;
    background: var(--plv5-gray-900);
    color: var(--plv5-white);
}

.plv5-cta__content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.plv5-cta__title {
    font-family: var(--plv5-font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin: 0 0 1rem;
}

.plv5-cta__subtitle {
    font-size: 1.25rem;
    margin: 0 0 2rem;
    opacity: 0.9;
}

.plv5-form--cta {
    margin-bottom: 1rem;
}

.plv5-cta__note {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ========================================================================
   FAQ Section
   ======================================================================== */

.plv5-faq {
    padding: var(--plv5-spacing-3xl) 1rem;
    background: var(--plv5-gray-50);
}

.plv5-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.plv5-faq-item {
    margin-bottom: 1rem;
    background: var(--plv5-white);
    border-radius: var(--plv5-radius-lg);
    box-shadow: var(--plv5-shadow-sm);
    overflow: hidden;
}

.plv5-faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--plv5-transition);
}

.plv5-faq-item__question:hover {
    background: var(--plv5-gray-50);
}

.plv5-faq-item__question svg {
    flex-shrink: 0;
    transition: var(--plv5-transition);
}

.plv5-faq-item__question.is-active svg {
    transform: rotate(180deg);
}

.plv5-faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--plv5-transition);
}

.plv5-faq-item__answer.is-active {
    max-height: 500px;
}

.plv5-faq-item__answer p {
    padding: 0 1.5rem 1.5rem;
    margin: 0;
    color: var(--plv5-gray-600);
    line-height: 1.6;
}

/* ========================================================================
   Final CTA Banner
   ======================================================================== */

.plv5-final-cta {
    padding: 4rem 1rem;
    background: var(--plv5-gradient-primary);
    text-align: center;
    color: var(--plv5-white);
}

.plv5-final-cta h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    margin: 0 0 2rem;
}

/* ========================================================================
   Animations
   ======================================================================== */

@keyframes plv5-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes plv5-bounce {
    0%, 100% {
        transform: translate(-50%, 0);
    }
    50% {
        transform: translate(-50%, 10px);
    }
}

/* ========================================================================
   Responsive Design
   ======================================================================== */

@media (max-width: 768px) {
    .plv5-hero {
        min-height: auto;
        padding: 3rem 1rem;
    }

    .plv5-form__row {
        flex-direction: column;
    }

    .plv5-form__input {
        min-width: 100%;
    }

    .plv5-btn {
        width: 100%;
        justify-content: center;
    }

    .plv5-hero__trust {
        gap: 1rem;
    }

    .plv5-steps,
    .plv5-features-grid,
    .plv5-testimonials-grid {
        grid-template-columns: 1fr;
    }

    .plv5-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .plv5-stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================================================
   Utilities
   ======================================================================== */

.plv5-smooth-scroll {
    scroll-behavior: smooth;
}