/* ==========================================================================
   KRYTYCZNY CSS: Style niezbędne do wyrenderowania pierwszego ekranu.
   Sugerowane jest inline'owanie tego bloku w <head> dla maksymalnej wydajności.
   ========================================================================== */
:root {
    --gold: #D4AF37;
    --dark-gold: #B8860B;
    --dark-bg: #0A0A0A;
    --light-text: #EAEAEA;
    --gray-text: #A0A0A0;
    --border-color: #333;
    --border-color-hover: #555;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --glass-bg: rgba(26, 26, 26, 0.7);
    --glass-border: rgba(212, 175, 55, 0.2);
    --spring-ease: cubic-bezier(0.34, 1.56, 0.64, 1);
    --subtle-ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    /* Dodano zmienne z podstrony dla spójności */
    --gold-color: #D4AF37;
    --dark-bg-primary: #121212;
    --dark-bg-secondary: #1a1a1a;
    --text-primary: #E0E0E0;
    --text-secondary: #B0B0B0;
}

html { 
    scroll-behavior: smooth; 
}

body { 
    background-color: var(--dark-bg); 
    color: var(--light-text); 
    font-family: 'Inter', sans-serif; 
    /* Ujednolicono font dla całej strony z wizytowka-google.html */
    line-height: 1.8;
    font-size: 18px;
}

/* Globalna reguła responsywności mediów */
img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

.font-serif { 
    font-family: 'Cormorant Garamond', serif; 
}

#preloader { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background-color: var(--dark-bg); 
    z-index: 1000; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    transition: opacity 0.7s var(--spring-ease), visibility 0.7s var(--spring-ease); 
}

#preloader.loaded { 
    opacity: 0; 
    visibility: hidden; 
}

.preloader-logo { 
    font-family: 'Cormorant Garamond', serif; 
    font-size: 2.5rem; 
    font-weight: 700; 
    color: transparent; 
    background-image: linear-gradient(to right, #D4AF37, #f3e6c0); 
    -webkit-background-clip: text; 
    background-clip: text; 
    animation: pulse-logo 2s infinite ease-in-out; 
}

@keyframes pulse-logo { 
    0%, 100% { opacity: 0.7; transform: scale(1); } 
    50% { opacity: 1; transform: scale(1.05); } 
}

/* ==========================================================================
   Koniec Krytycznego CSS
   ========================================================================== */

::selection { 
    background: rgba(212, 175, 55, 0.3); 
}

.ease-spring { 
    transition-timing-function: var(--spring-ease); 
}

/* --- Efekty świetlne i tła --- */
#mouse-spotlight { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    pointer-events: none; 
    z-index: -1; 
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(212, 175, 55, 0.04), transparent 30%); 
    transition: background 0.2s ease-out; 
}

@keyframes shine { 
    from { background-position: 200% 0; } 
    to { background-position: -200% 0; } 
}

.animate-shine { 
    animation: shine 4s linear infinite; 
}

.reveal { 
    opacity: 0; 
    transform: translateY(50px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; 
}

.reveal.is-visible { 
    opacity: 1; 
    transform: translateY(0); 
}

/* --- Glassmorphism & Borders --- */
.glass-card { 
    background-color: var(--glass-bg); 
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px); 
    border: 1px solid var(--glass-border); 
    position: relative; 
}

.glass-card::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0; 
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 50%); 
    pointer-events: none; 
}

.glowing-border { 
    position: relative; 
}

.glowing-border::after { 
    content: ''; 
    position: absolute; 
    inset: -1px; 
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), var(--gold), transparent 40%); 
    filter: blur(20px); 
    opacity: 0; 
    transition: opacity 0.5s ease; 
    z-index: -1; 
    border-radius: inherit; 
}

.glowing-border:hover::after { 
    opacity: 0.3; 
}

/* --- Blog HIGH-END --- */
.blog-post-card { 
    background-color: #1a1a1a; 
    border: 1px solid var(--border-color); 
    transition: all 0.4s var(--spring-ease); 
}

.blog-post-card:hover { 
    transform: translateY(-8px); 
    background-color: #1f1f1f; 
    border-color: var(--border-color-hover); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.3); 
}

.blog-post-card .post-image-wrapper { 
    overflow: hidden; 
}

.blog-post-card .post-image { 
    transition: transform 0.6s var(--subtle-ease); 
}

.blog-post-card:hover .post-image { 
    transform: scale(1.05); 
}

.blog-cta-link { 
    color: var(--gold); 
    font-weight: bold; 
}

.blog-cta-link .arrow { 
    transition: transform 0.3s var(--spring-ease); 
}

.blog-post-card:hover .blog-cta-link .arrow { 
    transform: translateX(5px); 
}

/* --- FORMULARZ HIGH-END --- */
.form-field { 
    position: relative; 
    margin-bottom: 3rem; 
}

.form-input-luxe { 
    width: 100%; 
    background-color: transparent; 
    color: var(--light-text); 
    font-family: 'Inter', sans-serif; 
    font-size: 1.1rem; 
    padding: 12px 45px 12px 0; 
    border: none; 
    border-bottom: 1px solid var(--border-color); 
    outline: none; 
    transition: border-color 0.3s var(--subtle-ease), background-color 0.3s var(--subtle-ease); 
    position: relative; 
    z-index: 2; 
}

.form-input-luxe:hover { 
    border-color: var(--border-color-hover); 
}

.form-input-luxe:focus { 
    border-color: var(--gold); 
}

.form-label-luxe { 
    position: absolute; 
    top: 12px; 
    left: 0; 
    font-family: 'Cormorant Garamond', serif; 
    color: var(--gray-text); 
    font-size: 1.1rem; 
    pointer-events: none; 
    transition: all 0.3s var(--spring-ease); 
    z-index: 1; 
}

.form-input-luxe:focus + .form-label-luxe,
.form-input-luxe:not(:placeholder-shown) + .form-label-luxe { 
    transform: translateY(-28px); 
    font-size: 0.9rem; 
    color: var(--gold); 
}

.form-field-icon { 
    position: absolute; 
    right: 10px; 
    top: 12px; 
    color: var(--border-color); 
    transition: color 0.3s var(--subtle-ease); 
    z-index: 3; 
    pointer-events: none; 
}

.form-input-luxe:focus ~ .form-field-icon { 
    color: var(--gold); 
}

.validation-line { 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    height: 2px; 
    width: 100%; 
    background-color: transparent; 
    transform: scaleX(0); 
    transform-origin: left; 
    transition: transform 0.4s var(--spring-ease), background-color 0.3s; 
    z-index: 3; 
}

.form-input-luxe:focus ~ .validation-line { 
    transform: scaleX(1); 
    background-color: var(--gold); 
}

.form-input-luxe:invalid:not(:placeholder-shown):not(:focus) ~ .validation-line { 
    transform: scaleX(1); 
    background-color: var(--error-color); 
}

.form-input-luxe:valid:not(:placeholder-shown):not(:focus) ~ .validation-line { 
    transform: scaleX(1); 
    background-color: var(--success-color); 
}

.checkbox-group { 
    display: flex; 
    align-items: center; 
    cursor: pointer; 
}

.custom-checkbox { 
    display: inline-block; 
    width: 22px; 
    height: 22px; 
    background: transparent; 
    border: 1px solid var(--border-color); 
    border-radius: 6px; 
    transition: all 0.3s var(--spring-ease); 
    position: relative; 
}

.custom-checkbox svg { 
    position: absolute; 
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%) scale(0); 
    transition: transform 0.3s var(--spring-ease); 
    stroke: var(--dark-bg); 
}

.hidden-checkbox:checked + .custom-checkbox { 
    background-color: var(--gold); 
    border-color: var(--gold); 
}

.hidden-checkbox:checked + .custom-checkbox svg { 
    transform: translate(-50%, -50%) scale(1); 
}

.checkbox-label { 
    margin-left: 0.75rem; 
    color: var(--gray-text); 
    font-size: 0.9rem; 
}

.checkbox-label a { 
    color: var(--light-text); 
    text-decoration: underline; 
    text-decoration-thickness: 1px; 
    text-underline-offset: 3px; 
    transition: color 0.3s; 
}

.checkbox-label a:hover { 
    color: var(--gold); 
}

.form-submit-luxe { 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
    background: linear-gradient(45deg, var(--dark-gold), var(--gold)); 
    color: var(--dark-bg); 
    font-weight: bold; 
    font-size: 1.1rem; 
    padding: 1.25rem 3rem; 
    border-radius: 0.5rem; 
    border: none; 
    cursor: pointer; 
    transition: all 0.4s var(--spring-ease); 
    overflow: hidden; 
    position: relative; 
    transform-style: preserve-3d; 
}

.form-submit-luxe::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(45deg, var(--gold), #f3e6c0); 
    opacity: 0; 
    transition: opacity 0.4s var(--subtle-ease); 
    transform: translateZ(-1px); 
}

.form-submit-luxe:hover { 
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3); 
    transform: translateY(-5px) scale(1.02); 
}

.form-submit-luxe:hover::before { 
    opacity: 1; 
}

.form-submit-luxe:disabled { 
    cursor: not-allowed; 
    background: #2a2a2a; 
    color: #666; 
    box-shadow: none; 
    transform: none; 
}

.form-submit-luxe .btn-content { 
    display: flex; 
    align-items: center; 
    transition: opacity 0.3s; 
}

.form-submit-luxe.is-loading .btn-content { 
    opacity: 0; 
}

.spinner { 
    position: absolute; 
    width: 24px; 
    height: 24px; 
    border: 2px solid rgba(0,0,0,0.3); 
    border-top-color: var(--dark-bg); 
    border-radius: 50%; 
    animation: spin 1s linear infinite; 
    opacity: 0; 
    transition: opacity 0.3s; 
}

.form-submit-luxe.is-loading .spinner { 
    opacity: 1; 
}

@keyframes spin { 
    to { transform: rotate(360deg); } 
}

#form-success-state { 
    opacity: 0; 
    pointer-events: none; 
    transition: opacity 0.5s var(--subtle-ease); 
}

#form-success-state.is-visible { 
    opacity: 1; 
    pointer-events: all; 
}

@keyframes pulse-box-shadow {
    0%, 100% { box-shadow: 0 0 0 var(--gold)/50; }
    50% { box-shadow: 0 0 25px var(--gold)/50; }
}

/* ==========================================================================
   REFAKTORYZACJA: STYLE Z PODSTRON (WIZYTÓWKA GOOGLE) - MOBILE FIRST
   ========================================================================== */

/* --- Style bazowe (Mobile) --- */
h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem; /* Mobile */
    text-align: center;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

h2 {
    font-size: 2rem; /* Mobile */
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background-color: var(--gold-color);
    margin: 20px auto 0;
}

h3 {
    font-size: 1.8rem;
    color: var(--gold-color);
    margin-bottom: 20px;
}

h4 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-top: 30px;
    margin-bottom: 15px;
}

p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

a {
    color: var(--gold-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #fff;
}

section {
    padding: 80px 20px;
    border-bottom: 1px solid #2a2a2a;
}
section:last-of-type {
    border-bottom: none;
}

.hero-section {
    background: var(--dark-bg-primary);
    min-height: 60vh; /* Mobile */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 100px; /* Mobile */
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.05), transparent 70%);
    pointer-events: none;
}

.hero-headline {
    animation: fadeIn 2s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-subheadline {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 30px;
}

.dark-section {
    background-color: var(--dark-bg-secondary);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.content-block {
    background-color: #222;
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid var(--gold-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 40px;
    background-color: var(--dark-bg-secondary);
    overflow-x: auto;
    display: block;
}

.results-table th, .results-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid #333;
}

.results-table th {
    background-color: #252525;
    color: var(--gold-color);
    font-weight: 700;
    font-size: 1.1rem;
}

.results-table td {
    color: var(--text-secondary);
}

.results-table tr:last-child td {
    border-bottom: none;
}

.results-table .highlight {
    color: var(--gold-color);
    font-weight: 700;
}

.case-study {
    background-color: #101010;
}

.case-study-grid {
    display: grid;
    grid-template-columns: 1fr; /* Mobile */
    gap: 50px;
    align-items: center;
}

.case-study-metrics {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.metric-item {
    background: var(--dark-bg-secondary);
    padding: 20px;
    border-radius: 5px;
}

.metric-item .value {
    font-size: 2.5rem;
    color: var(--gold-color);
    font-weight: 700;
}

.metric-item .label {
    font-size: 1rem;
    color: var(--text-secondary);
}

.testimonial {
    font-style: italic;
    padding: 30px;
    border-left: 4px solid var(--gold-color);
    background-color: var(--dark-bg-secondary);
    border-radius: 0 8px 8px 0;
    margin-top: 40px;
}

.testimonial-author {
    display: block;
    margin-top: 15px;
    font-style: normal;
    font-weight: 700;
    color: var(--text-primary);
}

.faq-accordion details {
    background-color: var(--dark-bg-secondary);
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #2a2a2a;
}

.faq-accordion summary {
    padding: 20px;
    font-weight: 500;
    font-size: 1.2rem;
    cursor: pointer;
    outline: none;
    position: relative;
    color: var(--text-primary);
}

.faq-accordion summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    font-size: 1.5rem;
    color: var(--gold-color);
    transition: transform 0.3s ease;
}

.faq-accordion details[open] summary::after {
    transform: rotate(45deg);
}

.faq-accordion .faq-answer {
    padding: 0 20px 20px;
    color: var(--text-secondary);
}

.cta-button {
    display: inline-block;
    background-color: var(--gold-color);
    color: var(--dark-bg-primary);
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 5px;
    margin-top: 20px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #c5a231;
    transform: scale(1.05);
}

/* --- Style dla nawigacji (dla spójności) --- */
.nav-link .nav-underline {
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--gold);
    transition: width 0.3s ease;
}
.nav-link:hover .nav-underline,
.nav-link.active .nav-underline {
    width: 100%;
}

/* --- Media Queries (Tablet i w górę) --- */
@media (min-width: 768px) {
    h1 {
        font-size: 4rem; /* Tablet & Desktop */
    }
    h2 {
        font-size: 2.8rem; /* Tablet & Desktop */
    }
    .case-study-grid {
        grid-template-columns: 1fr 2fr; /* Tablet & Desktop */
    }
    .hero-section {
        padding-top: 150px; /* Tablet & Desktop */
    }
}

/* --- Media Queries (Desktop i w górę) --- */
@media (min-width: 1024px) {
    .hero-section {
        min-height: 80vh; /* Desktop */
    }
}
